Bump version

Delele Translate "Magisk Modo Sólo Núcleo". (After several hours (Days :v ). I thought it was best left in its original form .Magisk Hide, should also be translated if it were the case, it was better to leave it that way so as not to confuse the users.)
Fix translation error
Translations Updates and added new line

.gitignore

@@ -3,6 +3,6 @@
 /local.properties
 .idea/
 /build
-app/app-release.apk
+app/release
 *.hprof
 app/.externalNativeBuild/

README.md

@@ -1,4 +1,6 @@
-# Magisk Manager
-The project should be built with Android Studio version 2.2.0+  
-I use Java 8 features, which requires Jack compiler and it's only available in 2.2.0+  
-Also, you need to install CMake and NDK to build the zipadjust library for zip preprocessing
+# Magisk Manager 
+You need to install CMake and NDK to build the zipadjust library for zip preprocessing
+
+## Pre-built Binaries
+Busybox (arm and x86) compiled by osm0sis (`libbusybox.so` under `app\src\main\jniLibs`)  
+Source and more info: [osm0sis' Odds and Ends](https://forum.xda-developers.com/showthread.php?t=2239421)

app/build.gradle

@@ -1,28 +1,25 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion "25.0.2"
+    compileSdkVersion 26
+    buildToolsVersion "26.0.0"
 
     defaultConfig {
         applicationId "com.topjohnwu.magisk"
         minSdkVersion 21
-        targetSdkVersion 25
-        versionCode 20
-        versionName "4.0"
-        jackOptions {
-            enabled true
-            jackInProcess true
-        }
+        targetSdkVersion 26
+        versionCode 51
+        versionName "5.1.1"
         ndk {
             moduleName 'zipadjust'
-            abiFilters 'x86', 'x86_64', 'armeabi-v7a', 'arm64-v8a'
+            abiFilters 'x86', 'armeabi-v7a'
         }
     }
 
     buildTypes {
         release {
             minifyEnabled true
+            shrinkResources true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
@@ -31,35 +28,36 @@ android {
         targetCompatibility JavaVersion.VERSION_1_8
     }
     dexOptions {
-        preDexLibraries = true
+        preDexLibraries true
+        javaMaxHeapSize "2g"
     }
     externalNativeBuild {
         cmake {
             path 'src/main/jni/CMakeLists.txt'
         }
     }
+    lintOptions {
+        disable 'MissingTranslation'
+    }
 }
 repositories {
     jcenter()
     maven { url "https://jitpack.io" }
+    maven { url "https://maven.google.com" }
 }
 
 dependencies {
-    compile fileTree(include: ['*.jar'], dir: 'libs')
-
-    compile 'com.android.support:recyclerview-v7:25.1.1'
-    compile 'com.android.support:cardview-v7:25.1.1'
-    compile 'com.android.support:design:25.1.1'
-    compile 'com.android.support:support-v4:25.1.1'
-    compile 'com.android.support:support-v13:25.1.1'
-    compile 'com.jakewharton:butterknife:8.5.1'
-    compile 'com.google.code.gson:gson:2.8.0'
-    compile 'com.github.clans:fab:1.6.4'
-    compile 'com.thoughtbot:expandablerecyclerview:1.4'
-    compile 'com.madgag.spongycastle:core:1.54.0.0'
-    compile 'com.madgag.spongycastle:prov:1.54.0.0'
-    compile 'com.madgag.spongycastle:pkix:1.54.0.0'
-    compile 'com.madgag.spongycastle:pg:1.54.0.0'
-    compile 'com.google.android.gms:play-services-safetynet:9.0.1'
-    annotationProcessor 'com.jakewharton:butterknife-compiler:8.5.1'
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    implementation 'com.android.support:recyclerview-v7:26.0.0-beta2'
+    implementation 'com.android.support:cardview-v7:26.0.0-beta2'
+    implementation 'com.android.support:design:26.0.0-beta2'
+    implementation 'com.android.support:support-v4:26.0.0-beta2'
+    implementation 'com.jakewharton:butterknife:8.7.0'
+    implementation 'com.thoughtbot:expandablerecyclerview:1.4'
+    implementation 'us.feras.mdv:markdownview:1.1.0'
+    implementation 'com.madgag.spongycastle:core:1.54.0.0'
+    implementation 'com.madgag.spongycastle:prov:1.54.0.0'
+    implementation 'com.madgag.spongycastle:pkix:1.54.0.0'
+    implementation 'com.google.android.gms:play-services-safetynet:9.0.1'
+    annotationProcessor 'com.jakewharton:butterknife-compiler:8.7.0'
 }

app/proguard-rules.pro

@@ -16,31 +16,10 @@
 #   public *;
 #}
 
-# Gson uses generic type information stored in a class file when working with fields. Proguard
-# removes such information by default, so configure it to keep all of it.
--keepattributes Signature
-
-# For using GSON @Expose annotation
--keepattributes *Annotation*
-
-# Gson specific classes
--keep class sun.misc.Unsafe { *; }
--keep class com.google.gson.** { *; }
-
-# Application classes that will be serialized/deserialized over Gson
--keep class com.topjohnwu.magisk.module.** { *; }
--keep class com.topjohnwu.magisk.module.ModuleHelper$ValueSortedMap { *; }
-
-# Prevent proguard from stripping interface information from TypeAdapterFactory,
-# JsonSerializer, JsonDeserializer instances (so they can be used in @JsonAdapter)
--keep class * implements com.google.gson.TypeAdapterFactory
--keep class * implements com.google.gson.JsonSerializer
--keep class * implements com.google.gson.JsonDeserializer
-
--keep class android.support.v7.internal.** { *; }
--keep interface android.support.v7.internal.** { *; }
--keep class android.support.v7.** { *; }
--keep interface android.support.v7.** { *; }
-
 # SpongyCastle
--keep class org.spongycastle.** {*;}
+-keep class org.spongycastle.** { *; }
+-dontwarn javax.naming.**
+
+-dontwarn android.content.**
+-dontwarn android.animation.**
+

app/src/main/AndroidManifest.xml

@@ -1,15 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest package="com.topjohnwu.magisk"
-          xmlns:android="http://schemas.android.com/apk/res/android"
-
-          xmlns:tools="http://schemas.android.com/tools">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    package="com.topjohnwu.magisk">
 
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+    <uses-permission android:name="android.permission.VIBRATE" />
+    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
 
     <application
+        android:name=".MagiskManager"
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
@@ -19,8 +21,7 @@
         <activity
             android:name=".MainActivity"
             android:configChanges="orientation|screenSize"
-            android:exported="true"/>
-
+            android:exported="true" />
         <activity
             android:name=".SplashActivity"
             android:configChanges="orientation|screenSize"
@@ -28,16 +29,22 @@
             android:theme="@style/SplashTheme">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
+
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-
         <activity
             android:name=".AboutActivity"
-            android:theme="@style/AppTheme.Transparent"/>
+            android:theme="@style/AppTheme.Transparent" />
         <activity
             android:name=".SettingsActivity"
             android:theme="@style/AppTheme.Transparent" />
+        <activity
+            android:name=".FlashActivity"
+            android:screenOrientation="nosensor"
+            android:configChanges="keyboardHidden|orientation|screenSize"
+            android:theme="@style/AppTheme.Transparent" />
+
         <activity
             android:name=".superuser.RequestActivity"
             android:excludeFromRecents="true"
@@ -50,14 +57,27 @@
             android:taskAffinity="internal.superuser"
             android:theme="@style/SuRequest" />
 
-        <receiver
-            android:name=".superuser.SuReceiver" />
-
+        <receiver android:name=".superuser.SuReceiver" />
         <receiver android:name=".receivers.BootReceiver">
             <intent-filter>
                 <action android:name="android.intent.action.BOOT_COMPLETED" />
             </intent-filter>
         </receiver>
+        <receiver android:name=".receivers.PackageReceiver">
+            <intent-filter>
+                <action android:name="android.intent.action.PACKAGE_REPLACED" />
+                <action android:name="android.intent.action.PACKAGE_FULLY_REMOVED" />
+
+                <data android:scheme="package" />
+            </intent-filter>
+        </receiver>
+        <receiver android:name=".receivers.ManagerUpdate" />
+
+        <service android:name=".services.OnBootIntentService" />
+        <service
+            android:name=".services.UpdateCheckService"
+            android:exported="true"
+            android:permission="android.permission.BIND_JOB_SERVICE" />
 
         <provider
             android:name="android.support.v4.content.FileProvider"
@@ -75,4 +95,4 @@
 
     </application>
 
-</manifest>
+</manifest>

app/src/main/assets/util_functions.sh

@@ -0,0 +1,192 @@
+##########################################################################################
+# 
+# Magisk General Utility Functions
+# by topjohnwu
+# 
+# Used in flash_script.sh, addon.d.sh, magisk module installers, and uninstaller
+# 
+##########################################################################################
+
+get_outfd() {
+  readlink /proc/$$/fd/$OUTFD 2>/dev/null | grep /tmp >/dev/null
+  if [ "$?" -eq "0" ]; then
+    OUTFD=0
+
+    for FD in `ls /proc/$$/fd`; do
+      readlink /proc/$$/fd/$FD 2>/dev/null | grep pipe >/dev/null
+      if [ "$?" -eq "0" ]; then
+        ps | grep " 3 $FD " | grep -v grep >/dev/null
+        if [ "$?" -eq "0" ]; then
+          OUTFD=$FD
+          break
+        fi
+      fi
+    done
+  fi
+}
+
+ui_print() {
+  if $BOOTMODE; then
+    echo "$1"
+  else 
+    echo -n -e "ui_print $1\n" >> /proc/self/fd/$OUTFD
+    echo -n -e "ui_print\n" >> /proc/self/fd/$OUTFD
+  fi
+}
+
+getvar() {
+  local VARNAME=$1
+  local VALUE=$(eval echo \$"$VARNAME");
+  for FILE in /dev/.magisk /data/.magisk /cache/.magisk /system/.magisk; do
+    if [ -z "$VALUE" ]; then
+      LINE=$(cat $FILE 2>/dev/null | grep "$VARNAME=")
+      if [ ! -z "$LINE" ]; then
+        VALUE=${LINE#*=}
+      fi
+    fi
+  done
+  eval $VARNAME=\$VALUE
+}
+
+find_boot_image() {
+  if [ -z "$BOOTIMAGE" ]; then
+    for BLOCK in boot_a BOOT_A kern-a KERN-A android_boot ANDROID_BOOT kernel KERNEL boot BOOT lnx LNX; do
+      BOOTIMAGE=`ls /dev/block/by-name/$BLOCK || ls /dev/block/platform/*/by-name/$BLOCK || ls /dev/block/platform/*/*/by-name/$BLOCK` 2>/dev/null
+      [ ! -z $BOOTIMAGE ] && break
+    done
+  fi
+  # Recovery fallback
+  if [ -z "$BOOTIMAGE" ]; then
+    for FSTAB in /etc/*fstab*; do
+      BOOTIMAGE=`grep -E '\b/boot\b' $FSTAB | grep -v "#" | grep -oE '/dev/[a-zA-Z0-9_./-]*'`
+      [ ! -z $BOOTIMAGE ] && break
+    done
+  fi
+  [ -L "$BOOTIMAGE" ] && BOOTIMAGE=`readlink $BOOTIMAGE`
+}
+
+is_mounted() {
+  if [ ! -z "$2" ]; then
+    cat /proc/mounts | grep $1 | grep $2, >/dev/null
+  else
+    cat /proc/mounts | grep $1 >/dev/null
+  fi
+  return $?
+}
+
+grep_prop() {
+  REGEX="s/^$1=//p"
+  shift
+  FILES=$@
+  if [ -z "$FILES" ]; then
+    FILES='/system/build.prop'
+  fi
+  cat $FILES 2>/dev/null | sed -n "$REGEX" | head -n 1
+}
+
+remove_system_su() {
+  if [ -f /system/bin/su -o -f /system/xbin/su ] && [ ! -f /su/bin/su ]; then
+    ui_print "! System installed root detected, mount rw :("
+    mount -o rw,remount /system
+    # SuperSU
+    if [ -e /system/bin/.ext/.su ]; then
+      mv -f /system/bin/app_process32_original /system/bin/app_process32 2>/dev/null
+      mv -f /system/bin/app_process64_original /system/bin/app_process64 2>/dev/null
+      mv -f /system/bin/install-recovery_original.sh /system/bin/install-recovery.sh 2>/dev/null
+      cd /system/bin
+      if [ -e app_process64 ]; then
+        ln -sf app_process64 app_process
+      else
+        ln -sf app_process32 app_process
+      fi
+    fi
+    rm -rf /system/.pin /system/bin/.ext /system/etc/.installed_su_daemon /system/etc/.has_su_daemon \
+    /system/xbin/daemonsu /system/xbin/su /system/xbin/sugote /system/xbin/sugote-mksh /system/xbin/supolicy \
+    /system/bin/app_process_init /system/bin/su /cache/su /system/lib/libsupol.so /system/lib64/libsupol.so \
+    /system/su.d /system/etc/install-recovery.sh /system/etc/init.d/99SuperSUDaemon /cache/install-recovery.sh \
+    /system/.supersu /cache/.supersu /data/.supersu \
+    /system/app/Superuser.apk /system/app/SuperSU /cache/Superuser.apk  2>/dev/null
+  fi
+}
+
+api_level_arch_detect() {
+  API=`grep_prop ro.build.version.sdk`
+  ABI=`grep_prop ro.product.cpu.abi | cut -c-3`
+  ABI2=`grep_prop ro.product.cpu.abi2 | cut -c-3`
+  ABILONG=`grep_prop ro.product.cpu.abi`
+
+  ARCH=arm
+  IS64BIT=false
+  if [ "$ABI" = "x86" ]; then ARCH=x86; fi;
+  if [ "$ABI2" = "x86" ]; then ARCH=x86; fi;
+  if [ "$ABILONG" = "arm64-v8a" ]; then ARCH=arm64; IS64BIT=true; fi;
+  if [ "$ABILONG" = "x86_64" ]; then ARCH=x64; IS64BIT=true; fi;
+}
+
+recovery_actions() {
+  # TWRP bug fix
+  mount -o bind /dev/urandom /dev/random
+  # Temporarily block out all custom recovery binaries/libs
+  mv /sbin /sbin_tmp
+  # Add all possible library paths
+  OLD_LD_PATH=$LD_LIBRARY_PATH
+  $IS64BIT && export LD_LIBRARY_PATH=/system/lib64:/system/vendor/lib64 || export LD_LIBRARY_PATH=/system/lib:/system/vendor/lib
+}
+
+recovery_cleanup() {
+  mv /sbin_tmp /sbin
+  # Clear LD_LIBRARY_PATH
+  export LD_LIBRARY_PATH=$OLD_LD_PATH
+  ui_print "- Unmounting partitions"
+  umount -l /system
+  umount -l /vendor 2>/dev/null
+  umount -l /dev/random
+}
+
+abort() {
+  ui_print "$1"
+  mv /sbin_tmp /sbin 2>/dev/null
+  exit 1
+}
+
+set_perm() {
+  chown $2:$3 $1 || exit 1
+  chmod $4 $1 || exit 1
+  if [ ! -z $5 ]; then
+    chcon $5 $1 2>/dev/null
+  else
+    chcon 'u:object_r:system_file:s0' $1 2>/dev/null
+  fi
+}
+
+set_perm_recursive() {
+  find $1 -type d 2>/dev/null | while read dir; do
+    set_perm $dir $2 $3 $4 $6
+  done
+  find $1 -type f 2>/dev/null | while read file; do
+    set_perm $file $2 $3 $5 $6
+  done
+}
+
+mktouch() {
+  mkdir -p ${1%/*}
+  if [ -z "$2" ]; then
+    touch $1
+  else
+    echo $2 > $1
+  fi
+  chmod 644 $1
+}
+
+request_size_check() {
+  reqSizeM=`du -s $1 | cut -f1`
+  reqSizeM=$((reqSizeM / 1024 + 1))
+}
+
+image_size_check() {
+  SIZE="`$MAGISKBIN/magisk --imgsize $IMG`"
+  curUsedM=`echo "$SIZE" | cut -d" " -f1`
+  curSizeM=`echo "$SIZE" | cut -d" " -f2`
+  curFreeM=$((curSizeM - curUsedM))
+}
+

app/src/main/java/com/topjohnwu/magisk/AboutActivity.java

@@ -1,24 +1,22 @@
 package com.topjohnwu.magisk;
 
-import android.app.AlertDialog;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.Bundle;
-import android.preference.PreferenceManager;
 import android.support.annotation.Nullable;
 import android.support.v7.app.ActionBar;
-import android.support.v7.app.AppCompatActivity;
+import android.support.v7.app.AlertDialog;
 import android.support.v7.widget.Toolbar;
 import android.text.Html;
 import android.text.Spanned;
 import android.text.TextUtils;
 import android.text.method.LinkMovementMethod;
 import android.view.View;
-import android.view.WindowManager;
 import android.widget.TextView;
 
-import com.topjohnwu.magisk.utils.Logger;
-import com.topjohnwu.magisk.utils.Utils;
+import com.topjohnwu.magisk.components.AboutCardRow;
+import com.topjohnwu.magisk.components.Activity;
+import com.topjohnwu.magisk.components.AlertDialogBuilder;
 
 import java.io.IOException;
 import java.io.InputStream;
@@ -26,9 +24,9 @@ import java.io.InputStream;
 import butterknife.BindView;
 import butterknife.ButterKnife;
 
-public class AboutActivity extends AppCompatActivity {
+public class AboutActivity extends Activity {
 
-    private static final String DONATION_URL = "http://topjohnwu.github.io/donate";
+    private static final String DONATION_URL = "https://www.paypal.me/topjohnwu";
     private static final String XDA_THREAD = "http://forum.xda-developers.com/showthread.php?t=3432382";
     private static final String SOURCE_CODE_URL = "https://github.com/topjohnwu/MagiskManager";
 
@@ -44,10 +42,8 @@ public class AboutActivity extends AppCompatActivity {
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        String theme = PreferenceManager.getDefaultSharedPreferences(getApplicationContext()).getString("theme", "");
-        Logger.dev("AboutActivity: Theme is " + theme);
-        if (Global.Configs.isDarkTheme) {
-            setTheme(R.style.AppTheme_dh);
+        if (getApplicationContext().isDarkTheme) {
+            setTheme(R.style.AppTheme_Transparent_Dark);
         }
         setContentView(R.layout.activity_about);
         ButterKnife.bind(this);
@@ -85,7 +81,7 @@ public class AboutActivity extends AppCompatActivity {
                 result = Html.fromHtml(changes);
             }
             appChangelog.setOnClickListener(v -> {
-                AlertDialog d = Utils.getAlertDialogBuilder(this)
+                AlertDialog d = new AlertDialogBuilder(this)
                         .setTitle(R.string.app_changelog)
                         .setMessage(result)
                         .setPositiveButton(android.R.string.ok, null)
@@ -104,7 +100,7 @@ public class AboutActivity extends AppCompatActivity {
             } else {
                 result = Html.fromHtml(getString(R.string.app_developers_));
             }
-            AlertDialog d = Utils.getAlertDialogBuilder(this)
+            AlertDialog d = new AlertDialogBuilder(this)
                     .setTitle(R.string.app_developers)
                     .setMessage(result)
                     .setPositiveButton(android.R.string.ok, null)
@@ -134,18 +130,4 @@ public class AboutActivity extends AppCompatActivity {
         setFloating();
     }
 
-    public void setFloating() {
-        boolean isTablet = getResources().getBoolean(R.bool.isTablet);
-        if (isTablet) {
-            WindowManager.LayoutParams params = getWindow().getAttributes();
-            params.height = getResources().getDimensionPixelSize(R.dimen.floating_height);
-            params.width = getResources().getDimensionPixelSize(R.dimen.floating_width);
-            params.alpha = 1.0f;
-            params.dimAmount = 0.6f;
-            params.flags |= 2;
-            getWindow().setAttributes(params);
-            setFinishOnTouchOutside(true);
-        }
-    }
-
 }

app/src/main/java/com/topjohnwu/magisk/FlashActivity.java

@@ -0,0 +1,98 @@
+package com.topjohnwu.magisk;
+
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.v7.app.ActionBar;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.Toolbar;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import com.topjohnwu.magisk.asyncs.FlashZip;
+import com.topjohnwu.magisk.components.Activity;
+import com.topjohnwu.magisk.utils.AdaptiveList;
+import com.topjohnwu.magisk.utils.Shell;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import butterknife.OnClick;
+
+public class FlashActivity extends Activity {
+
+    @BindView(R.id.toolbar) Toolbar toolbar;
+    @BindView(R.id.flash_logs) RecyclerView flashLogs;
+    @BindView(R.id.button_panel) LinearLayout buttonPanel;
+
+    private AdaptiveList<String> rootShellOutput;
+
+    @OnClick(R.id.no_thanks)
+    public void dismiss() {
+        finish();
+    }
+
+    @OnClick(R.id.reboot)
+    public void reboot() {
+        Shell.getShell(this).su_raw("reboot");
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_flash);
+        ButterKnife.bind(this);
+        rootShellOutput = new AdaptiveList<>(flashLogs);
+        setSupportActionBar(toolbar);
+        ActionBar ab = getSupportActionBar();
+        if (ab != null) {
+            ab.setTitle(R.string.flashing);
+        }
+        setFloating();
+
+        flashLogs.setAdapter(new FlashLogAdapter());
+
+        // We must receive a Uri of the target zip
+        Uri uri = getIntent().getData();
+
+        new FlashZip(this, uri, rootShellOutput)
+                .setCallBack(() -> buttonPanel.setVisibility(View.VISIBLE))
+                .exec();
+    }
+
+    @Override
+    public void onBackPressed() {
+        // Prevent user accidentally press back button
+    }
+
+    private class FlashLogAdapter extends RecyclerView.Adapter<ViewHolder> {
+
+        @Override
+        public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+            View view = LayoutInflater.from(parent.getContext())
+                    .inflate(R.layout.list_item_flashlog, parent, false);
+            return new ViewHolder(view);
+        }
+
+        @Override
+        public void onBindViewHolder(ViewHolder holder, int position) {
+            holder.text.setText(rootShellOutput.get(position));
+        }
+
+        @Override
+        public int getItemCount() {
+            return rootShellOutput.size();
+        }
+    }
+
+    public class ViewHolder extends RecyclerView.ViewHolder {
+
+        @BindView(R.id.textView) TextView text;
+
+        public ViewHolder(View itemView) {
+            super(itemView);
+            ButterKnife.bind(this, itemView);
+        }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/Global.java

@@ -1,133 +0,0 @@
-package com.topjohnwu.magisk;
-
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.content.pm.ApplicationInfo;
-import android.preference.PreferenceManager;
-import android.util.SparseArray;
-
-import com.topjohnwu.magisk.module.Module;
-import com.topjohnwu.magisk.module.Repo;
-import com.topjohnwu.magisk.utils.CallbackHandler;
-import com.topjohnwu.magisk.utils.Shell;
-import com.topjohnwu.magisk.utils.Utils;
-import com.topjohnwu.magisk.utils.ValueSortedMap;
-
-import java.io.File;
-import java.util.List;
-
-public class Global {
-
-    public static final String MAGISK_DISABLE_FILE = "/cache/.disable_magisk";
-
-    public static class Info {
-        public static double magiskVersion;
-        public static String magiskVersionString = "(none)";
-        public static double remoteMagiskVersion = -1;
-        public static String magiskLink;
-        public static String releaseNoteLink;
-        public static int SNCheckResult = -1;
-        public static String bootBlock = null;
-        public static boolean isSuClient = false;
-        public static String suVersion = null;
-        public static boolean disabled = false;
-    }
-    public static class Data {
-        public static ValueSortedMap<String, Repo> repoMap;
-        public static ValueSortedMap<String, Module> moduleMap;
-        public static List<String> blockList;
-        public static List<ApplicationInfo> appList;
-        public static List<String> magiskHideList;
-    }
-    public static class Events {
-        public static final CallbackHandler.Event blockDetectionDone = new CallbackHandler.Event();
-        public static final CallbackHandler.Event packageLoadDone = new CallbackHandler.Event();
-        public static final CallbackHandler.Event reloadMainActivity = new CallbackHandler.Event();
-        public static final CallbackHandler.Event moduleLoadDone = new CallbackHandler.Event();
-        public static final CallbackHandler.Event repoLoadDone = new CallbackHandler.Event();
-        public static final CallbackHandler.Event updateCheckDone = new CallbackHandler.Event();
-        public static final CallbackHandler.Event safetyNetDone = new CallbackHandler.Event();
-        public static SparseArray<CallbackHandler.Event> uidMap = new SparseArray<>();
-    }
-    public static class Configs {
-        public static boolean isDarkTheme;
-        public static boolean shellLogging;
-        public static boolean devLogging;
-        public static boolean magiskHide;
-        public static int suRequestTimeout;
-        public static int suLogTimeout = 14;
-        public static int suAccessState;
-        public static int suResponseType;
-        public static int suNotificationType;
-    }
-    
-    public static void init(Context context) {
-        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
-        Configs.isDarkTheme = prefs.getBoolean("dark_theme", false);
-        Configs.devLogging = prefs.getBoolean("developer_logging", false);
-        Configs.shellLogging = prefs.getBoolean("shell_logging", false);
-        Configs.magiskHide = prefs.getBoolean("magiskhide", false);
-        updateMagiskInfo();
-        initSuAccess();
-        initSuConfigs(context);
-        // Initialize prefs
-        prefs.edit()
-                .putBoolean("dark_theme", Configs.isDarkTheme)
-                .putBoolean("magiskhide", Configs.magiskHide)
-                .putBoolean("busybox", Utils.commandExists("busybox"))
-                .putBoolean("hosts", new File("/magisk/.core/hosts").exists())
-                .putBoolean("disable", Utils.itemExist(MAGISK_DISABLE_FILE))
-                .putString("su_request_timeout", String.valueOf(Configs.suRequestTimeout))
-                .putString("su_auto_response", String.valueOf(Configs.suResponseType))
-                .putString("su_notification", String.valueOf(Configs.suNotificationType))
-                .putString("su_access", String.valueOf(Configs.suAccessState))
-                .apply();
-    }
-
-    public static void initSuConfigs(Context context) {
-        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
-        Configs.suRequestTimeout = Utils.getPrefsInt(prefs, "su_request_timeout", 10);
-        Configs.suResponseType = Utils.getPrefsInt(prefs, "su_auto_response", 0);
-        Configs.suNotificationType = Utils.getPrefsInt(prefs, "su_notification", 1);
-    }
-
-    public static void initSuAccess() {
-        List<String> ret = Shell.sh("su -v");
-        if (Utils.isValidShellResponse(ret)) {
-            Info.suVersion = ret.get(0);
-            Info.isSuClient = Info.suVersion.toUpperCase().contains("MAGISK");
-        }
-        if (Info.isSuClient) {
-            ret = Shell.sh("getprop persist.sys.root_access");
-            if (Utils.isValidShellResponse(ret))
-                Configs.suAccessState = Integer.parseInt(ret.get(0));
-            else {
-                Shell.su(true, "setprop persist.sys.root_access 3");
-                Configs.suAccessState = 3;
-            }
-        }
-    }
-
-    public static void updateMagiskInfo() {
-        List<String> ret = Shell.sh("getprop magisk.version");
-        if (!Utils.isValidShellResponse(ret)) {
-            Info.magiskVersion = -1;
-        } else {
-            try {
-                Info.magiskVersionString = ret.get(0);
-                Info.magiskVersion = Double.parseDouble(ret.get(0));
-            } catch (NumberFormatException e) {
-                // Custom version don't need to receive updates
-                Info.magiskVersion = Double.POSITIVE_INFINITY;
-            }
-        }
-        ret = Shell.sh("getprop ro.magisk.disable");
-        try {
-            Info.disabled = Utils.isValidShellResponse(ret) && Integer.parseInt(ret.get(0)) != 0;
-        } catch (NumberFormatException e) {
-            Info.disabled = false;
-        }
-        
-    }
-
-}

app/src/main/java/com/topjohnwu/magisk/InstallFragment.java

@@ -1,174 +0,0 @@
-package com.topjohnwu.magisk;
-
-import android.app.ProgressDialog;
-import android.content.Intent;
-import android.net.Uri;
-import android.os.Bundle;
-import android.os.CountDownTimer;
-import android.support.annotation.Nullable;
-import android.support.v4.app.Fragment;
-import android.support.v7.widget.CardView;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ArrayAdapter;
-import android.widget.Button;
-import android.widget.CheckBox;
-import android.widget.Spinner;
-import android.widget.TextView;
-
-import com.topjohnwu.magisk.receivers.MagiskDlReceiver;
-import com.topjohnwu.magisk.utils.CallbackHandler;
-import com.topjohnwu.magisk.utils.Shell;
-import com.topjohnwu.magisk.utils.Utils;
-
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.ArrayList;
-import java.util.List;
-
-import butterknife.BindView;
-import butterknife.ButterKnife;
-import butterknife.Unbinder;
-
-public class InstallFragment extends Fragment implements CallbackHandler.EventListener {
-
-
-    private static final String UNINSTALLER = "magisk_uninstaller.sh";
-
-    private Unbinder unbinder;
-    @BindView(R.id.current_version_title) TextView currentVersionTitle;
-    @BindView(R.id.install_title) TextView installTitle;
-    @BindView(R.id.block_spinner) Spinner spinner;
-    @BindView(R.id.detect_bootimage) Button detectButton;
-    @BindView(R.id.flash_button) CardView flashButton;
-    @BindView(R.id.uninstall_button) CardView uninstallButton;
-    @BindView(R.id.keep_force_enc) CheckBox keepEncChkbox;
-    @BindView(R.id.keep_verity) CheckBox keepVerityChkbox;
-
-    @Nullable
-    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        View v = inflater.inflate(R.layout.fragment_install, container, false);
-        unbinder = ButterKnife.bind(this, v);
-        detectButton.setOnClickListener(v1 -> toAutoDetect());
-        currentVersionTitle.setText(getString(R.string.current_magisk_title, Global.Info.magiskVersionString));
-        installTitle.setText(getString(R.string.install_magisk_title, Global.Info.remoteMagiskVersion));
-        flashButton.setOnClickListener(v1 -> {
-            String bootImage;
-            if (Global.Info.bootBlock != null) {
-                if (spinner.getSelectedItemPosition() > 0)
-                    bootImage = Global.Data.blockList.get(spinner.getSelectedItemPosition() - 1);
-                else
-                    bootImage = Global.Info.bootBlock;
-            } else {
-                bootImage = Global.Data.blockList.get(spinner.getSelectedItemPosition());
-            }
-            String filename = "Magisk-v" + Global.Info.remoteMagiskVersion + ".zip";
-            Utils.getAlertDialogBuilder(getActivity())
-                    .setTitle(getString(R.string.repo_install_title, getString(R.string.magisk)))
-                    .setMessage(getString(R.string.repo_install_msg, filename))
-                    .setCancelable(true)
-                    .setPositiveButton(R.string.download_install, (dialogInterface, i) -> Utils.dlAndReceive(
-                            getActivity(),
-                            new MagiskDlReceiver(bootImage, keepEncChkbox.isChecked(), keepVerityChkbox.isChecked()),
-                            Global.Info.magiskLink,
-                            Utils.getLegalFilename(filename)))
-                    .setNeutralButton(R.string.check_release_notes, (dialog, which) -> {
-                        getActivity().startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(Global.Info.releaseNoteLink)));
-                    })
-                    .setNegativeButton(R.string.no_thanks, null)
-                    .show();
-        });
-        if (Global.Info.magiskVersion < 10.3) {
-            uninstallButton.setVisibility(View.GONE);
-        } else {
-            uninstallButton.setOnClickListener(vi -> {
-                Utils.getAlertDialogBuilder(getActivity())
-                        .setTitle("Uninstall Magisk")
-                        .setMessage("This will remove all modules, MagiskSU, and potentially re-encrypt your device\nAre you sure to process?")
-                        .setPositiveButton(R.string.yes, (dialogInterface, i) -> {
-                            try {
-                                InputStream in = getActivity().getAssets().open(UNINSTALLER);
-                                File uninstaller = new File(getActivity().getCacheDir().getAbsolutePath() + "/" + UNINSTALLER);
-                                FileOutputStream out = new FileOutputStream(uninstaller);
-                                byte[] bytes = new byte[1024];
-                                int read;
-                                while ((read = in.read(bytes)) != -1)
-                                    out.write(bytes, 0, read);
-                                in.close();
-                                out.close();
-                                ProgressDialog progress = new ProgressDialog(getActivity());
-                                progress.setTitle(R.string.reboot);
-                                progress.show();
-                                new CountDownTimer(5000, 1000) {
-                                    @Override
-                                    public void onTick(long millisUntilFinished) {
-                                        progress.setMessage(getString(R.string.reboot_countdown, millisUntilFinished / 1000));
-                                    }
-
-                                    @Override
-                                    public void onFinish() {
-                                        progress.setMessage(getString(R.string.reboot_countdown, 0));
-                                        Shell.su(true, "cp -af " + uninstaller + " /cache/" + UNINSTALLER,
-                                                "reboot");
-                                    }
-                                }.start();
-                            } catch (IOException e) {
-                                e.printStackTrace();
-                            }
-                        })
-                        .setNegativeButton(R.string.no_thanks, null)
-                        .show();
-            });
-        }
-
-        if (Global.Events.blockDetectionDone.isTriggered) {
-            updateUI();
-        }
-        return v;
-    }
-
-    @Override
-    public void onTrigger(CallbackHandler.Event event) {
-        updateUI();
-    }
-
-    private void updateUI() {
-        List<String> items = new ArrayList<>(Global.Data.blockList);
-        if (Global.Info.bootBlock != null)
-            items.add(0, getString(R.string.auto_detect, Global.Info.bootBlock));
-        ArrayAdapter<String> adapter = new ArrayAdapter<>(getActivity(),
-                android.R.layout.simple_spinner_item, items);
-        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
-        spinner.setAdapter(adapter);
-        toAutoDetect();
-    }
-
-    private void toAutoDetect() {
-        if (Global.Info.bootBlock != null) {
-            spinner.setSelection(0);
-        }
-    }
-
-    @Override
-    public void onStart() {
-        super.onStart();
-        getActivity().setTitle(R.string.install);
-        CallbackHandler.register(Global.Events.blockDetectionDone, this);
-    }
-
-    @Override
-    public void onStop() {
-        CallbackHandler.unRegister(Global.Events.blockDetectionDone, this);
-        super.onStop();
-    }
-
-    @Override
-    public void onDestroyView() {
-        super.onDestroyView();
-        unbinder.unbind();
-    }
-}

app/src/main/java/com/topjohnwu/magisk/LogFragment.java

@@ -3,13 +3,13 @@ package com.topjohnwu.magisk;
 
 import android.os.Bundle;
 import android.support.design.widget.TabLayout;
-import android.support.v4.app.Fragment;
 import android.support.v4.view.ViewPager;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
 import com.topjohnwu.magisk.adapters.TabFragmentAdapter;
+import com.topjohnwu.magisk.components.Fragment;
 
 import butterknife.BindView;
 import butterknife.ButterKnife;
@@ -31,14 +31,14 @@ public class LogFragment extends Fragment {
 
         TabFragmentAdapter adapter = new TabFragmentAdapter(getChildFragmentManager());
 
-        adapter.addTab(new MagiskLogFragment(), getString(R.string.magisk));
-
-        if (Global.Info.isSuClient) {
+        if (getApplication().isSuClient) {
             adapter.addTab(new SuLogFragment(), getString(R.string.superuser));
             tab.setupWithViewPager(viewPager);
             tab.setVisibility(View.VISIBLE);
         }
 
+        adapter.addTab(new MagiskLogFragment(), getString(R.string.magisk));
+
         viewPager.setAdapter(adapter);
 
         return v;

app/src/main/java/com/topjohnwu/magisk/MagiskHideFragment.java

@@ -3,7 +3,6 @@ package com.topjohnwu.magisk;
 import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
-import android.support.v4.app.Fragment;
 import android.support.v4.view.MenuItemCompat;
 import android.support.v4.widget.SwipeRefreshLayout;
 import android.support.v7.widget.RecyclerView;
@@ -16,15 +15,16 @@ import android.view.ViewGroup;
 import android.widget.SearchView;
 
 import com.topjohnwu.magisk.adapters.ApplicationAdapter;
-import com.topjohnwu.magisk.utils.Async;
-import com.topjohnwu.magisk.utils.CallbackHandler;
+import com.topjohnwu.magisk.asyncs.MagiskHide;
+import com.topjohnwu.magisk.components.Fragment;
+import com.topjohnwu.magisk.utils.CallbackEvent;
 import com.topjohnwu.magisk.utils.Logger;
 
 import butterknife.BindView;
 import butterknife.ButterKnife;
 import butterknife.Unbinder;
 
-public class MagiskHideFragment extends Fragment implements CallbackHandler.EventListener {
+public class MagiskHideFragment extends Fragment implements CallbackEvent.Listener<Void> {
 
     private Unbinder unbinder;
     @BindView(R.id.swipeRefreshLayout) SwipeRefreshLayout mSwipeRefreshLayout;
@@ -50,7 +50,7 @@ public class MagiskHideFragment extends Fragment implements CallbackHandler.Even
         PackageManager packageManager = getActivity().getPackageManager();
 
         mSwipeRefreshLayout.setRefreshing(true);
-        mSwipeRefreshLayout.setOnRefreshListener(() -> new Async.LoadApps(packageManager).exec());
+        mSwipeRefreshLayout.setOnRefreshListener(() -> new MagiskHide(getActivity()).list());
 
         appAdapter = new ApplicationAdapter(packageManager);
         recyclerView.setAdapter(appAdapter);
@@ -71,6 +71,10 @@ public class MagiskHideFragment extends Fragment implements CallbackHandler.Even
             }
         };
 
+        if (getApplication().magiskHideDone.isTriggered) {
+            onTrigger(getApplication().magiskHideDone);
+        }
+
         return view;
     }
 
@@ -85,15 +89,12 @@ public class MagiskHideFragment extends Fragment implements CallbackHandler.Even
     public void onStart() {
         super.onStart();
         getActivity().setTitle(R.string.magiskhide);
-        CallbackHandler.register(Global.Events.packageLoadDone, this);
-        if (Global.Events.packageLoadDone.isTriggered) {
-            onTrigger(Global.Events.packageLoadDone);
-        }
+        getApplication().magiskHideDone.register(this);
     }
 
     @Override
     public void onStop() {
-        CallbackHandler.unRegister(Global.Events.packageLoadDone, this);
+        getApplication().magiskHideDone.unRegister(this);
         super.onStop();
     }
 
@@ -104,9 +105,9 @@ public class MagiskHideFragment extends Fragment implements CallbackHandler.Even
     }
 
     @Override
-    public void onTrigger(CallbackHandler.Event event) {
+    public void onTrigger(CallbackEvent<Void> event) {
         Logger.dev("MagiskHideFragment: UI refresh");
-        appAdapter.setLists(Global.Data.appList, Global.Data.magiskHideList);
+        appAdapter.setLists(getApplication().appList, getApplication().magiskHideList);
         mSwipeRefreshLayout.setRefreshing(false);
         if (!TextUtils.isEmpty(lastFilter)) {
             appAdapter.filter(lastFilter);

app/src/main/java/com/topjohnwu/magisk/MagiskLogFragment.java

@@ -1,17 +1,13 @@
 package com.topjohnwu.magisk;
 
-import android.Manifest;
 import android.annotation.SuppressLint;
 import android.content.pm.PackageManager;
-import android.os.Build;
 import android.os.Bundle;
 import android.os.Environment;
 import android.os.Handler;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.design.widget.Snackbar;
-import android.support.v4.app.ActivityCompat;
-import android.support.v4.app.Fragment;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.Menu;
@@ -25,15 +21,15 @@ import android.widget.ScrollView;
 import android.widget.TextView;
 import android.widget.Toast;
 
-import com.topjohnwu.magisk.utils.Async;
+import com.topjohnwu.magisk.asyncs.ParallelTask;
+import com.topjohnwu.magisk.components.Fragment;
+import com.topjohnwu.magisk.components.SnackbarMaker;
 import com.topjohnwu.magisk.utils.Shell;
-import com.topjohnwu.magisk.utils.Utils;
 
 import java.io.File;
 import java.io.FileWriter;
 import java.io.IOException;
 import java.util.Calendar;
-import java.util.List;
 
 import butterknife.BindView;
 import butterknife.ButterKnife;
@@ -121,49 +117,33 @@ public class MagiskLogFragment extends Fragment {
                     new Handler().postDelayed(() -> onOptionsItemSelected(mClickedMenuItem), 500);
                 }
             } else {
-                Snackbar.make(txtLog, R.string.permissionNotGranted, Snackbar.LENGTH_LONG).show();
+                SnackbarMaker.make(txtLog, R.string.permissionNotGranted, Snackbar.LENGTH_LONG).show();
             }
         }
     }
 
-    public class LogManager extends Async.RootTask<Object, Void, Object> {
+    private class LogManager extends ParallelTask<Object, Void, Object> {
 
-        int mode;
-        File targetFile;
+        private int mode;
+        private File targetFile;
 
         @SuppressLint("DefaultLocale")
         @Override
         protected Object doInBackground(Object... params) {
+            MagiskManager magiskManager = MagiskLogFragment.this.getApplication();
             mode = (int) params[0];
             switch (mode) {
                 case 0:
-                    List<String> logList = Utils.readFile(MAGISK_LOG);
-
-                    if (Utils.isValidShellResponse(logList)) {
-                        StringBuilder llog = new StringBuilder(15 * 10 * 1024);
-                        for (String s : logList) {
-                            llog.append(s).append("\n");
-                        }
-                        return llog.toString();
-                    }
-                    return "";
+                    StringBuildingList logList = new StringBuildingList();
+                    magiskManager.shell.su(logList, "cat " + MAGISK_LOG);
+                    return logList.toString();
 
                 case 1:
-                    Shell.su("echo > " + MAGISK_LOG);
-                    Snackbar.make(txtLog, R.string.logs_cleared, Snackbar.LENGTH_SHORT).show();
+                    magiskManager.shell.su_raw("echo > " + MAGISK_LOG);
+                    SnackbarMaker.make(txtLog, R.string.logs_cleared, Snackbar.LENGTH_SHORT).show();
                     return "";
 
                 case 2:
-                    if (ActivityCompat.checkSelfPermission(getActivity(), Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
-                        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-                            requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, 0);
-                        }
-                        return false;
-                    }
-
-                    if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED))
-                        return false;
-
                     Calendar now = Calendar.getInstance();
                     String filename = String.format(
                             "magisk_%s_%04d%02d%02d_%02d%02d%02d.log", "error",
@@ -174,22 +154,18 @@ public class MagiskLogFragment extends Fragment {
                     targetFile = new File(Environment.getExternalStorageDirectory().getAbsolutePath() + "/MagiskManager/" + filename);
 
                     if ((!targetFile.getParentFile().exists() && !targetFile.getParentFile().mkdirs())
-                            || (targetFile.exists() && !targetFile.delete()))
+                            || (targetFile.exists() && !targetFile.delete())) {
                         return false;
-
-                    List<String> in = Utils.readFile(MAGISK_LOG);
-
-                    if (Utils.isValidShellResponse(in)) {
-                        try (FileWriter out = new FileWriter(targetFile)) {
-                            for (String line : in)
-                                out.write(line + "\n");
-                            return true;
-                        } catch (IOException e) {
-                            e.printStackTrace();
-                            return false;
-                        }
                     }
-                    return false;
+
+                    try (FileWriter out = new FileWriter(targetFile)) {
+                        FileWritingList fileWritingList = new FileWritingList(out);
+                        magiskManager.shell.su(fileWritingList, "cat " + MAGISK_LOG);
+                    } catch (IOException e) {
+                        e.printStackTrace();
+                        return false;
+                    }
+                    return true;
             }
             return null;
         }
@@ -197,12 +173,10 @@ public class MagiskLogFragment extends Fragment {
         @Override
         protected void onPostExecute(Object o) {
             if (o == null) return;
-            boolean bool;
-            String llog;
             switch (mode) {
                 case 0:
                 case 1:
-                    llog = (String) o;
+                    String llog = (String) o;
                     progressBar.setVisibility(View.GONE);
                     if (TextUtils.isEmpty(llog))
                         txtLog.setText(R.string.log_is_empty);
@@ -212,26 +186,64 @@ public class MagiskLogFragment extends Fragment {
                     hsvLog.post(() -> hsvLog.scrollTo(0, 0));
                     break;
                 case 2:
-                    bool = (boolean) o;
-                    if (bool)
-                        Toast.makeText(getActivity(), targetFile.toString(), Toast.LENGTH_LONG).show();
-                    else
-                        Toast.makeText(getActivity(), getString(R.string.logs_save_failed), Toast.LENGTH_LONG).show();
+                    boolean bool = (boolean) o;
+                    if (bool) {
+                        MagiskLogFragment.this.getApplication().toast(targetFile.toString(), Toast.LENGTH_LONG);
+                    } else {
+                        MagiskLogFragment.this.getApplication().toast(R.string.logs_save_failed, Toast.LENGTH_LONG);
+                    }
                     break;
             }
         }
 
-        public void read() {
+        void read() {
             exec(0);
         }
 
-        public void clear() {
+        void clear() {
             exec(1);
         }
 
-        public void save() {
+        void save() {
             exec(2);
         }
     }
 
+    private static class StringBuildingList extends Shell.AbstractList<String> {
+
+        StringBuilder builder;
+
+        StringBuildingList() {
+            builder = new StringBuilder();
+        }
+
+        @Override
+        public boolean add(String s) {
+            builder.append(s).append("\n");
+            return true;
+        }
+
+        @Override
+        public String toString() {
+            return builder.toString();
+        }
+    }
+
+    private static class FileWritingList extends Shell.AbstractList<String> {
+
+        private FileWriter writer;
+
+        FileWritingList(FileWriter out) {
+            writer = out;
+        }
+
+        @Override
+        public boolean add(String s) {
+            try {
+                writer.write(s + "\n");
+            } catch (IOException ignored) {}
+            return true;
+        }
+    }
+
 }

app/src/main/java/com/topjohnwu/magisk/MagiskManager.java

@@ -0,0 +1,235 @@
+package com.topjohnwu.magisk;
+
+import android.app.Application;
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.pm.ApplicationInfo;
+import android.os.Build;
+import android.os.Handler;
+import android.preference.PreferenceManager;
+import android.text.TextUtils;
+import android.widget.Toast;
+
+import com.topjohnwu.magisk.database.SuDatabaseHelper;
+import com.topjohnwu.magisk.module.Module;
+import com.topjohnwu.magisk.module.Repo;
+import com.topjohnwu.magisk.utils.CallbackEvent;
+import com.topjohnwu.magisk.utils.SafetyNetHelper;
+import com.topjohnwu.magisk.utils.Shell;
+import com.topjohnwu.magisk.utils.Utils;
+import com.topjohnwu.magisk.utils.ValueSortedMap;
+
+import java.io.File;
+import java.util.List;
+
+public class MagiskManager extends Application {
+
+    public static final String MAGISK_DISABLE_FILE = "/cache/.disable_magisk";
+    public static final String TMP_FOLDER_PATH = "/dev/tmp";
+    public static final String MAGISK_PATH = "/magisk";
+    public static final String UNINSTALLER = "magisk_uninstaller.sh";
+    public static final String UTIL_FUNCTIONS= "util_functions.sh";
+    public static final String INTENT_SECTION = "section";
+    public static final String INTENT_VERSION = "version";
+    public static final String INTENT_LINK = "link";
+    public static final String BUSYBOX_VERSION = "1.26.2";
+    public static final String MAGISKHIDE_PROP = "persist.magisk.hide";
+    public static final String DISABLE_INDICATION_PROP = "ro.magisk.disable";
+    public static final String NOTIFICATION_CHANNEL = "magisk_update_notice";
+
+    // Events
+    public final CallbackEvent<Void> magiskHideDone = new CallbackEvent<>();
+    public final CallbackEvent<Void> reloadMainActivity = new CallbackEvent<>();
+    public final CallbackEvent<Void> moduleLoadDone = new CallbackEvent<>();
+    public final CallbackEvent<Void> repoLoadDone = new CallbackEvent<>();
+    public final CallbackEvent<Void> updateCheckDone = new CallbackEvent<>();
+    public final CallbackEvent<Void> safetyNetDone = new CallbackEvent<>();
+
+    // Info
+    public String magiskVersionString;
+    public int magiskVersionCode = -1;
+    public String remoteMagiskVersionString;
+    public int remoteMagiskVersionCode = -1;
+    public String magiskLink;
+    public String releaseNoteLink;
+    public String remoteManagerVersionString;
+    public int remoteManagerVersionCode = -1;
+    public String managerLink;
+    public SafetyNetHelper.Result SNCheckResult;
+    public String bootBlock = null;
+    public boolean isSuClient = false;
+    public String suVersion = null;
+    public boolean disabled;
+
+    // Data
+    public ValueSortedMap<String, Repo> repoMap;
+    public ValueSortedMap<String, Module> moduleMap;
+    public List<String> blockList;
+    public List<ApplicationInfo> appList;
+    public List<String> magiskHideList;
+
+    // Configurations
+    public static boolean shellLogging;
+    public static boolean devLogging;
+
+    public boolean magiskHide;
+    public boolean isDarkTheme;
+    public boolean updateNotification;
+    public boolean suReauth;
+    public int suRequestTimeout;
+    public int suLogTimeout = 14;
+    public int suAccessState;
+    public int multiuserMode;
+    public int suResponseType;
+    public int suNotificationType;
+    public int suNamespaceMode;
+
+    // Global resources
+    public SharedPreferences prefs;
+    public SuDatabaseHelper suDB;
+    public Shell shell;
+
+    private static Handler mHandler = new Handler();
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        new File(getApplicationInfo().dataDir).mkdirs();  /* Create the app data directory */
+        prefs = PreferenceManager.getDefaultSharedPreferences(this);
+        shell = Shell.getShell();
+    }
+
+    public void toast(String msg, int duration) {
+        mHandler.post(() -> Toast.makeText(this, msg, duration).show());
+    }
+
+    public void toast(int resId, int duration) {
+        mHandler.post(() -> Toast.makeText(this, resId, duration).show());
+    }
+
+    public void init() {
+        isDarkTheme = prefs.getBoolean("dark_theme", false);
+        if (BuildConfig.DEBUG) {
+            devLogging = prefs.getBoolean("developer_logging", false);
+            shellLogging = prefs.getBoolean("shell_logging", false);
+        } else {
+            devLogging = false;
+            shellLogging = false;
+        }
+        magiskHide = prefs.getBoolean("magiskhide", true);
+        initSU();
+        updateMagiskInfo();
+        updateBlockInfo();
+        // Initialize busybox
+        File busybox = new File(getApplicationInfo().dataDir + "/busybox/busybox");
+        if (!busybox.exists() || !TextUtils.equals(prefs.getString("busybox_version", ""), BUSYBOX_VERSION)) {
+            busybox.getParentFile().mkdirs();
+            shell.su_raw(
+                    "cp -f " + new File(getApplicationInfo().nativeLibraryDir, "libbusybox.so") + " " + busybox,
+                    "chmod -R 755 " + busybox.getParent(),
+                    busybox + " --install -s " + busybox.getParent()
+            );
+        }
+        // Initialize prefs
+        prefs.edit()
+                .putBoolean("dark_theme", isDarkTheme)
+                .putBoolean("magiskhide", magiskHide)
+                .putBoolean("notification", updateNotification)
+                .putBoolean("hosts", new File("/magisk/.core/hosts").exists())
+                .putBoolean("disable", Utils.itemExist(shell, MAGISK_DISABLE_FILE))
+                .putBoolean("su_reauth", suReauth)
+                .putString("su_request_timeout", String.valueOf(suRequestTimeout))
+                .putString("su_auto_response", String.valueOf(suResponseType))
+                .putString("su_notification", String.valueOf(suNotificationType))
+                .putString("su_access", String.valueOf(suAccessState))
+                .putString("multiuser_mode", String.valueOf(multiuserMode))
+                .putString("mnt_ns", String.valueOf(suNamespaceMode))
+                .putString("busybox_version", BUSYBOX_VERSION)
+                .apply();
+        // Add busybox to PATH
+        shell.su_raw("PATH=$PATH:" + busybox.getParent());
+
+        // Create notification channel on Android O
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            NotificationChannel channel = new NotificationChannel(NOTIFICATION_CHANNEL,
+                    getString(R.string.magisk_updates), NotificationManager.IMPORTANCE_DEFAULT);
+            ((NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE)).createNotificationChannel(channel);
+        }
+
+    }
+
+    public void initSUConfig() {
+        suDB = new SuDatabaseHelper(this);
+        suRequestTimeout = Utils.getPrefsInt(prefs, "su_request_timeout", 10);
+        suResponseType = Utils.getPrefsInt(prefs, "su_auto_response", 0);
+        suNotificationType = Utils.getPrefsInt(prefs, "su_notification", 1);
+        suReauth = prefs.getBoolean("su_reauth", false);
+    }
+
+    public void initSU() {
+        initSUConfig();
+
+        List<String> ret = shell.sh("su -v");
+        if (Utils.isValidShellResponse(ret)) {
+            suVersion = ret.get(0);
+            isSuClient = suVersion.toUpperCase().contains("MAGISK");
+        }
+        if (isSuClient) {
+            suAccessState = suDB.getSettings(SuDatabaseHelper.ROOT_ACCESS, 3);
+            multiuserMode = suDB.getSettings(SuDatabaseHelper.MULTIUSER_MODE, 0);
+            suNamespaceMode = suDB.getSettings(SuDatabaseHelper.MNT_NS, 1);
+        }
+    }
+
+    public void updateMagiskInfo() {
+        updateNotification = prefs.getBoolean("notification", true);
+        List<String> ret;
+        ret = shell.sh("magisk -v");
+        if (!Utils.isValidShellResponse(ret)) {
+            ret = shell.sh("getprop magisk.version");
+            if (Utils.isValidShellResponse(ret)) {
+                try {
+                    magiskVersionString = ret.get(0);
+                    magiskVersionCode = (int) Double.parseDouble(ret.get(0)) * 10;
+                } catch (NumberFormatException ignored) {}
+            }
+        } else {
+            magiskVersionString = ret.get(0).split(":")[0];
+            ret = shell.sh("magisk -V");
+            try {
+                magiskVersionCode = Integer.parseInt(ret.get(0));
+            } catch (NumberFormatException ignored) {}
+        }
+        ret = shell.sh("getprop " + DISABLE_INDICATION_PROP);
+        try {
+            disabled = Utils.isValidShellResponse(ret) && Integer.parseInt(ret.get(0)) != 0;
+        } catch (NumberFormatException e) {
+            disabled = false;
+        }
+        ret = shell.sh("getprop " + MAGISKHIDE_PROP);
+        try {
+            magiskHide = !Utils.isValidShellResponse(ret) || Integer.parseInt(ret.get(0)) != 0;
+        } catch (NumberFormatException e) {
+            magiskHide = true;
+        }
+    }
+
+    public void updateBlockInfo() {
+        List<String> res = shell.su(
+                "for BLOCK in boot_a BOOT_A kern-a KERN-A android_boot ANDROID_BOOT kernel KERNEL boot BOOT lnx LNX; do",
+                "BOOTIMAGE=`ls /dev/block/by-name/$BLOCK || ls /dev/block/platform/*/by-name/$BLOCK || ls /dev/block/platform/*/*/by-name/$BLOCK` 2>/dev/null",
+                "[ ! -z \"$BOOTIMAGE\" ] && break",
+                "done",
+                "[ ! -z \"$BOOTIMAGE\" -a -L \"$BOOTIMAGE\" ] && BOOTIMAGE=`readlink $BOOTIMAGE`",
+                "echo \"$BOOTIMAGE\""
+        );
+        if (Utils.isValidShellResponse(res)) {
+            bootBlock = res.get(0);
+        } else {
+            blockList = shell.su("ls -d /dev/block/mmc* /dev/block/sd* 2>/dev/null");
+        }
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/MainActivity.java

@@ -7,7 +7,6 @@ import android.content.pm.PackageManager;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
-import android.preference.PreferenceManager;
 import android.support.annotation.NonNull;
 import android.support.design.widget.NavigationView;
 import android.support.v4.app.ActivityCompat;
@@ -15,23 +14,25 @@ import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentTransaction;
 import android.support.v4.widget.DrawerLayout;
 import android.support.v7.app.ActionBarDrawerToggle;
-import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 
-import com.topjohnwu.magisk.utils.CallbackHandler;
+import com.topjohnwu.magisk.components.Activity;
+import com.topjohnwu.magisk.utils.CallbackEvent;
 import com.topjohnwu.magisk.utils.Shell;
+import com.topjohnwu.magisk.utils.Utils;
 
 import butterknife.BindView;
 import butterknife.ButterKnife;
 
-public class MainActivity extends AppCompatActivity
-        implements NavigationView.OnNavigationItemSelectedListener, CallbackHandler.EventListener {
+public class MainActivity extends Activity
+        implements NavigationView.OnNavigationItemSelectedListener, CallbackEvent.Listener<Void> {
 
     private final Handler mDrawerHandler = new Handler();
     private SharedPreferences prefs;
+    private int mDrawerItem;
 
     @BindView(R.id.toolbar) Toolbar toolbar;
     @BindView(R.id.drawer_layout) DrawerLayout drawer;
@@ -42,10 +43,10 @@ public class MainActivity extends AppCompatActivity
     @Override
     protected void onCreate(final Bundle savedInstanceState) {
 
-        prefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
+        prefs = getApplicationContext().prefs;
 
-        if (Global.Configs.isDarkTheme) {
-            setTheme(R.style.AppTheme_dh);
+        if (getApplicationContext().isDarkTheme) {
+            setTheme(R.style.AppTheme_Dark);
         }
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
@@ -76,40 +77,35 @@ public class MainActivity extends AppCompatActivity
         drawer.addDrawerListener(toggle);
         toggle.syncState();
 
-        navigate(R.id.status);
+        if (savedInstanceState == null)
+            navigate(getIntent().getStringExtra(MagiskManager.INTENT_SECTION));
 
         navigationView.setNavigationItemSelectedListener(this);
-        CallbackHandler.register(Global.Events.reloadMainActivity, this);
+        getApplicationContext().reloadMainActivity.register(this);
 
     }
 
     @Override
     protected void onResume() {
         super.onResume();
-        CallbackHandler.register(Global.Events.updateCheckDone, this);
-        if (Global.Events.updateCheckDone.isTriggered)
-            onTrigger(Global.Events.updateCheckDone);
         checkHideSection();
     }
 
-    @Override
-    protected void onPause() {
-        CallbackHandler.unRegister(Global.Events.updateCheckDone, this);
-        super.onPause();
-    }
-
     @Override
     protected void onDestroy() {
-        CallbackHandler.unRegister(Global.Events.reloadMainActivity, this);
+        getApplicationContext().reloadMainActivity.unRegister(this);
         super.onDestroy();
     }
 
     @Override
     public void onBackPressed() {
-        if (drawer.isDrawerOpen(navigationView))
+        if (drawer.isDrawerOpen(navigationView)) {
             drawer.closeDrawer(navigationView);
-        else
+        } else if (mDrawerItem != R.id.magisk) {
+            navigate(R.id.magisk);
+        } else {
             finish();
+        }
     }
 
     @Override
@@ -121,35 +117,74 @@ public class MainActivity extends AppCompatActivity
     }
 
     @Override
-    public void onTrigger(CallbackHandler.Event event) {
-        if (event == Global.Events.updateCheckDone) {
-            Menu menu = navigationView.getMenu();
-            menu.findItem(R.id.install).setVisible(Global.Info.remoteMagiskVersion > 0 &&
-                    Shell.rootAccess());
-        } else if (event == Global.Events.reloadMainActivity) {
-            recreate();
-        }
+    public void onTrigger(CallbackEvent<Void> event) {
+        recreate();
     }
 
-    private void checkHideSection() {
+    public void checkHideSection() {
         Menu menu = navigationView.getMenu();
-        if (Shell.rootAccess()) {
-            menu.findItem(R.id.magiskhide).setVisible(
-                    Global.Info.magiskVersion >= 8 && prefs.getBoolean("magiskhide", false));
-            menu.findItem(R.id.modules).setVisible(Global.Info.magiskVersion >= 4);
-            menu.findItem(R.id.downloads).setVisible(Global.Info.magiskVersion >= 4);
-            menu.findItem(R.id.log).setVisible(true);
-            menu.findItem(R.id.superuser).setVisible(Global.Info.isSuClient);
+        menu.findItem(R.id.magiskhide).setVisible(
+                Shell.rootAccess() && getApplicationContext().magiskVersionCode >= 1300
+                        && prefs.getBoolean("magiskhide", false));
+        menu.findItem(R.id.modules).setVisible(
+                Shell.rootAccess() && getApplicationContext().magiskVersionCode >= 0);
+        menu.findItem(R.id.downloads).setVisible(Utils.checkNetworkStatus(this) &&
+                Shell.rootAccess() && getApplicationContext().magiskVersionCode >= 0);
+        menu.findItem(R.id.log).setVisible(Shell.rootAccess());
+        menu.findItem(R.id.superuser).setVisible(
+                Shell.rootAccess() && getApplicationContext().isSuClient);
+    }
+
+    public void navigate(String item) {
+        int itemId = R.id.magisk;
+        if (item != null) {
+            switch (item) {
+                case "magisk":
+                    itemId = R.id.magisk;
+                    break;
+                case "install":
+                    itemId = -1;
+                    break;
+                case "superuser":
+                    itemId = R.id.superuser;
+                    break;
+                case "modules":
+                    itemId = R.id.modules;
+                    break;
+                case "downloads":
+                    itemId = R.id.downloads;
+                    break;
+                case "magiskhide":
+                    itemId = R.id.magiskhide;
+                    break;
+                case "log":
+                    itemId = R.id.log;
+                    break;
+                case "settings":
+                    itemId = R.id.settings;
+                    break;
+                case "about":
+                    itemId = R.id.app_about;
+                    break;
+            }
         }
+        navigate(itemId);
     }
 
     public void navigate(int itemId) {
+        int bak = mDrawerItem;
+        mDrawerItem = itemId;
+        navigationView.setCheckedItem(itemId);
         switch (itemId) {
-            case R.id.status:
-                displayFragment(new StatusFragment(), "status", true);
+            case -1:
+                Bundle args = new Bundle();
+                args.putBoolean(MagiskFragment.SHOW_DIALOG, true);
+                Fragment frag = new MagiskFragment();
+                frag.setArguments(args);
+                displayFragment(frag, "magisk", true);
                 break;
-            case R.id.install:
-                displayFragment(new InstallFragment(), "install", true);
+            case R.id.magisk:
+                displayFragment(new MagiskFragment(), "magisk", true);
                 break;
             case R.id.superuser:
                 displayFragment(new SuperuserFragment(), "superuser", true);
@@ -165,13 +200,14 @@ public class MainActivity extends AppCompatActivity
                 break;
             case R.id.log:
                 displayFragment(new LogFragment(), "log", false);
-                toolbar.setElevation(0);
                 break;
             case R.id.settings:
                 startActivity(new Intent(this, SettingsActivity.class));
+                mDrawerItem = bak;
                 break;
             case R.id.app_about:
                 startActivity(new Intent(this, AboutActivity.class));
+                mDrawerItem = bak;
                 break;
         }
     }
@@ -182,5 +218,6 @@ public class MainActivity extends AppCompatActivity
         transaction.setCustomAnimations(android.R.anim.fade_in, android.R.anim.fade_out);
         transaction.replace(R.id.content_frame, navFragment, tag).commitNow();
         if (setElevation) toolbar.setElevation(toolbarElevation);
+        else toolbar.setElevation(0);
     }
 }

app/src/main/java/com/topjohnwu/magisk/ModulesFragment.java

@@ -2,10 +2,9 @@ package com.topjohnwu.magisk;
 
 import android.app.Activity;
 import android.content.Intent;
-import android.net.Uri;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
-import android.support.v4.app.Fragment;
+import android.support.design.widget.FloatingActionButton;
 import android.support.v4.widget.SwipeRefreshLayout;
 import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
@@ -13,12 +12,11 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.TextView;
 
-import com.github.clans.fab.FloatingActionButton;
 import com.topjohnwu.magisk.adapters.ModulesAdapter;
+import com.topjohnwu.magisk.asyncs.LoadModules;
+import com.topjohnwu.magisk.components.Fragment;
 import com.topjohnwu.magisk.module.Module;
-import com.topjohnwu.magisk.module.ModuleHelper;
-import com.topjohnwu.magisk.utils.Async;
-import com.topjohnwu.magisk.utils.CallbackHandler;
+import com.topjohnwu.magisk.utils.CallbackEvent;
 import com.topjohnwu.magisk.utils.Logger;
 
 import java.util.ArrayList;
@@ -28,7 +26,7 @@ import butterknife.BindView;
 import butterknife.ButterKnife;
 import butterknife.Unbinder;
 
-public class ModulesFragment extends Fragment implements CallbackHandler.EventListener {
+public class ModulesFragment extends Fragment implements CallbackEvent.Listener<Void> {
 
     private static final int FETCH_ZIP_CODE = 2;
 
@@ -54,7 +52,7 @@ public class ModulesFragment extends Fragment implements CallbackHandler.EventLi
 
         mSwipeRefreshLayout.setOnRefreshListener(() -> {
             recyclerView.setVisibility(View.GONE);
-            new Async.LoadModules().exec();
+            new LoadModules(getActivity()).exec();
         });
 
         recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
@@ -69,7 +67,7 @@ public class ModulesFragment extends Fragment implements CallbackHandler.EventLi
             }
         });
 
-        if (Global.Events.moduleLoadDone.isTriggered) {
+        if (getApplication().moduleLoadDone.isTriggered) {
             updateUI();
         }
 
@@ -77,7 +75,7 @@ public class ModulesFragment extends Fragment implements CallbackHandler.EventLi
     }
 
     @Override
-    public void onTrigger(CallbackHandler.Event event) {
+    public void onTrigger(CallbackEvent<Void> event) {
         Logger.dev("ModulesFragment: UI refresh triggered");
         updateUI();
     }
@@ -86,8 +84,9 @@ public class ModulesFragment extends Fragment implements CallbackHandler.EventLi
     public void onActivityResult(int requestCode, int resultCode, Intent data) {
         if (requestCode == FETCH_ZIP_CODE && resultCode == Activity.RESULT_OK && data != null) {
             // Get the URI of the selected file
-            final Uri uri = data.getData();
-            new Async.FlashZIP(getActivity(), uri).exec();
+            Intent intent = new Intent(getActivity(), FlashActivity.class);
+            intent.setData(data.getData()).putExtra("ACTION", "flash");
+            startActivity(intent);
         }
 
     }
@@ -95,13 +94,13 @@ public class ModulesFragment extends Fragment implements CallbackHandler.EventLi
     @Override
     public void onStart() {
         super.onStart();
-        CallbackHandler.register(Global.Events.moduleLoadDone, this);
+        getApplication().moduleLoadDone.register(this);
         getActivity().setTitle(R.string.modules);
     }
 
     @Override
     public void onStop() {
-        CallbackHandler.unRegister(Global.Events.moduleLoadDone, this);
+        getApplication().moduleLoadDone.unRegister(this);
         super.onStop();
     }
 
@@ -112,7 +111,8 @@ public class ModulesFragment extends Fragment implements CallbackHandler.EventLi
     }
 
     private void updateUI() {
-        ModuleHelper.getModuleList(listModules);
+        listModules.clear();
+        listModules.addAll(getApplication().moduleMap.values());
         if (listModules.size() == 0) {
             emptyRv.setVisibility(View.VISIBLE);
             recyclerView.setVisibility(View.GONE);

app/src/main/java/com/topjohnwu/magisk/ReposFragment.java

@@ -2,8 +2,6 @@ package com.topjohnwu.magisk;
 
 import android.os.Bundle;
 import android.support.annotation.Nullable;
-import android.support.v4.app.Fragment;
-import android.support.v4.view.MenuItemCompat;
 import android.support.v4.widget.SwipeRefreshLayout;
 import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
@@ -15,37 +13,23 @@ import android.widget.SearchView;
 import android.widget.TextView;
 
 import com.topjohnwu.magisk.adapters.ReposAdapter;
-import com.topjohnwu.magisk.adapters.SimpleSectionedRecyclerViewAdapter;
-import com.topjohnwu.magisk.module.ModuleHelper;
-import com.topjohnwu.magisk.module.Repo;
-import com.topjohnwu.magisk.utils.Async;
-import com.topjohnwu.magisk.utils.CallbackHandler;
+import com.topjohnwu.magisk.asyncs.LoadRepos;
+import com.topjohnwu.magisk.components.Fragment;
+import com.topjohnwu.magisk.utils.CallbackEvent;
 import com.topjohnwu.magisk.utils.Logger;
 
-import java.util.ArrayList;
-import java.util.List;
-
 import butterknife.BindView;
 import butterknife.ButterKnife;
 import butterknife.Unbinder;
 
-public class ReposFragment extends Fragment implements CallbackHandler.EventListener {
+public class ReposFragment extends Fragment implements CallbackEvent.Listener<Void> {
 
     private Unbinder unbinder;
     @BindView(R.id.recyclerView) RecyclerView recyclerView;
     @BindView(R.id.empty_rv) TextView emptyRv;
     @BindView(R.id.swipeRefreshLayout) SwipeRefreshLayout mSwipeRefreshLayout;
 
-    private List<Repo> mUpdateRepos = new ArrayList<>();
-    private List<Repo> mInstalledRepos = new ArrayList<>();
-    private List<Repo> mOthersRepos = new ArrayList<>();
-    private List<Repo> fUpdateRepos = new ArrayList<>();
-    private List<Repo> fInstalledRepos = new ArrayList<>();
-    private List<Repo> fOthersRepos = new ArrayList<>();
-
-    private SimpleSectionedRecyclerViewAdapter mSectionedAdapter;
-
-    private SearchView.OnQueryTextListener searchListener;
+    private ReposAdapter adapter;
 
     @Override
     public void onCreate(@Nullable Bundle savedInstanceState) {
@@ -59,24 +43,43 @@ public class ReposFragment extends Fragment implements CallbackHandler.EventList
         View view = inflater.inflate(R.layout.fragment_repos, container, false);
         unbinder = ButterKnife.bind(this, view);
 
-        mSectionedAdapter = new SimpleSectionedRecyclerViewAdapter(R.layout.section,
-                R.id.section_text, new ReposAdapter(fUpdateRepos, fInstalledRepos, fOthersRepos));
+        adapter = new ReposAdapter(getApplication().repoMap);
 
-        recyclerView.setAdapter(mSectionedAdapter);
+        recyclerView.setAdapter(adapter);
 
         mSwipeRefreshLayout.setRefreshing(true);
 
         mSwipeRefreshLayout.setOnRefreshListener(() -> {
             recyclerView.setVisibility(View.GONE);
-            new Async.LoadRepos(getActivity()).exec();
+            new LoadRepos(getActivity()).exec();
         });
 
-        if (Global.Events.repoLoadDone.isTriggered) {
-            reloadRepos();
-            updateUI();
+        if (getApplication().repoLoadDone.isTriggered) {
+            onTrigger(null);
         }
 
-        searchListener = new SearchView.OnQueryTextListener() {
+        return view;
+    }
+
+    @Override
+    public void onTrigger(CallbackEvent<Void> event) {
+        Logger.dev("ReposFragment: UI refresh triggered");
+        if (getApplication().repoMap.isEmpty()) {
+            recyclerView.setVisibility(View.GONE);
+            emptyRv.setVisibility(View.VISIBLE);
+        } else {
+            adapter.filter(getApplication().moduleMap, "");
+            recyclerView.setVisibility(View.VISIBLE);
+            emptyRv.setVisibility(View.GONE);
+            mSwipeRefreshLayout.setRefreshing(false);
+        }
+    }
+
+    @Override
+    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+        inflater.inflate(R.menu.menu_repo, menu);
+        SearchView search = (SearchView) menu.findItem(R.id.repo_search).getActionView();
+        search.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
             @Override
             public boolean onQueryTextSubmit(String query) {
                 return false;
@@ -84,38 +87,22 @@ public class ReposFragment extends Fragment implements CallbackHandler.EventList
 
             @Override
             public boolean onQueryTextChange(String newText) {
-                new FilterApps().exec(newText);
+                adapter.filter(getApplication().moduleMap, newText);
                 return false;
             }
-        };
-
-        return view;
-    }
-
-    @Override
-    public void onTrigger(CallbackHandler.Event event) {
-        Logger.dev("ReposFragment: UI refresh triggered");
-        reloadRepos();
-        updateUI();
-    }
-
-    @Override
-    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
-        inflater.inflate(R.menu.menu_repo, menu);
-        SearchView search = (SearchView) MenuItemCompat.getActionView(menu.findItem(R.id.repo_search));
-        search.setOnQueryTextListener(searchListener);
+        });
     }
 
     @Override
     public void onStart() {
         super.onStart();
-        CallbackHandler.register(Global.Events.repoLoadDone, this);
+        getApplication().repoLoadDone.register(this);
         getActivity().setTitle(R.string.downloads);
     }
 
     @Override
     public void onStop() {
-        CallbackHandler.unRegister(Global.Events.repoLoadDone, this);
+        getApplication().repoLoadDone.unRegister(this);
         super.onStop();
     }
 
@@ -124,78 +111,4 @@ public class ReposFragment extends Fragment implements CallbackHandler.EventList
         super.onDestroyView();
         unbinder.unbind();
     }
-
-    private void reloadRepos() {
-        ModuleHelper.getRepoLists(mUpdateRepos, mInstalledRepos, mOthersRepos);
-        fUpdateRepos.clear();
-        fInstalledRepos.clear();
-        fOthersRepos.clear();
-        fUpdateRepos.addAll(mUpdateRepos);
-        fInstalledRepos.addAll(mInstalledRepos);
-        fOthersRepos.addAll(mOthersRepos);
-    }
-
-    private void updateUI() {
-        if (fUpdateRepos.size() + fInstalledRepos.size() + fOthersRepos.size() == 0) {
-            emptyRv.setVisibility(View.VISIBLE);
-            recyclerView.setVisibility(View.GONE);
-        } else {
-            List<SimpleSectionedRecyclerViewAdapter.Section> sections = new ArrayList<>();
-            if (!fUpdateRepos.isEmpty()) {
-                sections.add(new SimpleSectionedRecyclerViewAdapter.Section(0, getString(R.string.update_available)));
-            }
-            if (!fInstalledRepos.isEmpty()) {
-                sections.add(new SimpleSectionedRecyclerViewAdapter.Section(fUpdateRepos.size(), getString(R.string.installed)));
-            }
-            if (!fOthersRepos.isEmpty()) {
-                sections.add(new SimpleSectionedRecyclerViewAdapter.Section(fUpdateRepos.size() + fInstalledRepos.size(), getString(R.string.not_installed)));
-            }
-            SimpleSectionedRecyclerViewAdapter.Section[] array = sections.toArray(new SimpleSectionedRecyclerViewAdapter.Section[sections.size()]);
-            mSectionedAdapter.setSections(array);
-            emptyRv.setVisibility(View.GONE);
-            recyclerView.setVisibility(View.VISIBLE);
-        }
-        mSwipeRefreshLayout.setRefreshing(false);
-    }
-
-    private class FilterApps extends Async.NormalTask<String, Void, Void> {
-        @Override
-        protected Void doInBackground(String... strings) {
-            String newText = strings[0];
-            fUpdateRepos.clear();
-            fInstalledRepos.clear();
-            fOthersRepos.clear();
-            for (Repo repo: mUpdateRepos) {
-                if (repo.getName().toLowerCase().contains(newText.toLowerCase())
-                        || repo.getAuthor().toLowerCase().contains(newText.toLowerCase())
-                        || repo.getDescription().toLowerCase().contains(newText.toLowerCase())
-                        ) {
-                    fUpdateRepos.add(repo);
-                }
-            }
-            for (Repo repo: mInstalledRepos) {
-                if (repo.getName().toLowerCase().contains(newText.toLowerCase())
-                        || repo.getAuthor().toLowerCase().contains(newText.toLowerCase())
-                        || repo.getDescription().toLowerCase().contains(newText.toLowerCase())
-                        ) {
-                    fInstalledRepos.add(repo);
-                }
-            }
-            for (Repo repo: mOthersRepos) {
-                if (repo.getName().toLowerCase().contains(newText.toLowerCase())
-                        || repo.getAuthor().toLowerCase().contains(newText.toLowerCase())
-                        || repo.getDescription().toLowerCase().contains(newText.toLowerCase())
-                        ) {
-                    fOthersRepos.add(repo);
-                }
-            }
-            return null;
-        }
-
-        @Override
-        protected void onPostExecute(Void v) {
-            updateUI();
-        }
-    }
-
 }

app/src/main/java/com/topjohnwu/magisk/SplashActivity.java

@@ -1,35 +1,65 @@
 package com.topjohnwu.magisk;
 
+import android.app.job.JobInfo;
+import android.app.job.JobScheduler;
+import android.content.ComponentName;
+import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
+import android.text.TextUtils;
 
-import com.topjohnwu.magisk.utils.Async;
+import com.topjohnwu.magisk.asyncs.LoadApps;
+import com.topjohnwu.magisk.asyncs.LoadModules;
+import com.topjohnwu.magisk.asyncs.LoadRepos;
+import com.topjohnwu.magisk.components.Activity;
+import com.topjohnwu.magisk.services.UpdateCheckService;
+import com.topjohnwu.magisk.utils.Utils;
 
-public class SplashActivity extends AppCompatActivity {
+public class SplashActivity extends Activity{
+
+    private static final int UPDATE_SERVICE_ID = 1;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
 
         super.onCreate(savedInstanceState);
 
-        // Init the info and configs and root shell
-        Global.init(getApplicationContext());
+        MagiskManager magiskManager = getApplicationContext();
+
+        // Init the info and configs and root sh
+        magiskManager.init();
+
+        // Get possible additional info from intent
+        magiskManager.remoteMagiskVersionString = getIntent().getStringExtra(MagiskManager.INTENT_VERSION);
+        magiskManager.magiskLink = getIntent().getStringExtra(MagiskManager.INTENT_LINK);
+
+
+        LoadModules loadModuleTask = new LoadModules(this);
+
+        if (Utils.checkNetworkStatus(this)) {
+            // Initialize the update check service, notify every 8 hours
+            if (!TextUtils.equals("install", getIntent().getStringExtra(MagiskManager.INTENT_SECTION))) {
+                ComponentName service = new ComponentName(this, UpdateCheckService.class);
+                JobInfo jobInfo = new JobInfo.Builder(UPDATE_SERVICE_ID, service)
+                        .setRequiredNetworkType(JobInfo.NETWORK_TYPE_ANY)
+                        .setPersisted(true)
+                        .setPeriodic(8 * 60 * 60 * 1000)
+                        .build();
+                JobScheduler scheduler = (JobScheduler) getSystemService(Context.JOB_SCHEDULER_SERVICE);
+                scheduler.schedule(jobInfo);
+            }
+            loadModuleTask.setCallBack(() -> new LoadRepos(this).exec());
+        }
 
         // Now fire all async tasks
-        new Async.CheckUpdates().exec();
-        new Async.GetBootBlocks().exec();
-        new Async.LoadModules() {
-            @Override
-            protected void onPostExecute(Void v) {
-                super.onPostExecute(v);
-                new Async.LoadRepos(getApplicationContext()).exec();
-            }
-        }.exec();
-        new Async.LoadApps(getPackageManager()).exec();
+        loadModuleTask.exec();
+        new LoadApps(this).exec();
 
-        // Preparation done, now start main activity
-        Intent intent = new Intent(getApplicationContext(), MainActivity.class);
+        Intent intent = new Intent(this, MainActivity.class);
+        String section = getIntent().getStringExtra(MagiskManager.INTENT_SECTION);
+        if (section != null) {
+            intent.putExtra(MagiskManager.INTENT_SECTION, section);
+        }
         startActivity(intent);
         finish();
     }

app/src/main/java/com/topjohnwu/magisk/SuLogFragment.java

@@ -2,7 +2,6 @@ package com.topjohnwu.magisk;
 
 import android.os.Bundle;
 import android.support.annotation.Nullable;
-import android.support.v4.app.Fragment;
 import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.Menu;
@@ -13,7 +12,7 @@ import android.view.ViewGroup;
 import android.widget.TextView;
 
 import com.topjohnwu.magisk.adapters.SuLogAdapter;
-import com.topjohnwu.magisk.superuser.SuLogDatabaseHelper;
+import com.topjohnwu.magisk.components.Fragment;
 import com.topjohnwu.magisk.superuser.SuLogEntry;
 
 import java.util.List;
@@ -28,7 +27,7 @@ public class SuLogFragment extends Fragment {
     @BindView(R.id.recyclerView) RecyclerView recyclerView;
 
     private Unbinder unbinder;
-    private SuLogDatabaseHelper dbHelper;
+    private MagiskManager magiskManager;
 
     @Override
     public void onCreate(@Nullable Bundle savedInstanceState) {
@@ -48,8 +47,7 @@ public class SuLogFragment extends Fragment {
         // Inflate the layout for this fragment
         View v = inflater.inflate(R.layout.fragment_su_log, container, false);
         unbinder = ButterKnife.bind(this, v);
-
-        dbHelper = new SuLogDatabaseHelper(getActivity());
+        magiskManager = getApplication();
 
         updateList();
 
@@ -57,7 +55,7 @@ public class SuLogFragment extends Fragment {
     }
 
     private void updateList() {
-        List<SuLogEntry> logs = dbHelper.getLogList();
+        List<SuLogEntry> logs = magiskManager.suDB.getLogList();
 
         if (logs.size() == 0) {
             emptyRv.setVisibility(View.VISIBLE);
@@ -76,7 +74,7 @@ public class SuLogFragment extends Fragment {
                 updateList();
                 return true;
             case R.id.menu_clear:
-                dbHelper.clearLogs();
+                magiskManager.suDB.clearLogs();
                 updateList();
                 return true;
             default:

app/src/main/java/com/topjohnwu/magisk/SuperuserFragment.java

@@ -3,7 +3,6 @@ package com.topjohnwu.magisk;
 import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
-import android.support.v4.app.Fragment;
 import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -11,8 +10,8 @@ import android.view.ViewGroup;
 import android.widget.TextView;
 
 import com.topjohnwu.magisk.adapters.PolicyAdapter;
+import com.topjohnwu.magisk.components.Fragment;
 import com.topjohnwu.magisk.superuser.Policy;
-import com.topjohnwu.magisk.superuser.SuDatabaseHelper;
 
 import java.util.List;
 
@@ -33,15 +32,15 @@ public class SuperuserFragment extends Fragment {
         unbinder = ButterKnife.bind(this, view);
 
         PackageManager pm = getActivity().getPackageManager();
+        MagiskManager magiskManager = getApplication();
 
-        SuDatabaseHelper dbHelper = new SuDatabaseHelper(getActivity());
-        List<Policy> policyList = dbHelper.getPolicyList(pm);
+        List<Policy> policyList = magiskManager.suDB.getPolicyList(pm);
 
         if (policyList.size() == 0) {
             emptyRv.setVisibility(View.VISIBLE);
             recyclerView.setVisibility(View.GONE);
         } else {
-            recyclerView.setAdapter(new PolicyAdapter(policyList, dbHelper, pm));
+            recyclerView.setAdapter(new PolicyAdapter(policyList, magiskManager.suDB, pm));
             emptyRv.setVisibility(View.GONE);
             recyclerView.setVisibility(View.VISIBLE);
         }

app/src/main/java/com/topjohnwu/magisk/adapters/ApplicationAdapter.java

@@ -1,5 +1,6 @@
 package com.topjohnwu.magisk.adapters;
 
+import android.app.Activity;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.support.design.widget.Snackbar;
@@ -13,7 +14,8 @@ import android.widget.ImageView;
 import android.widget.TextView;
 
 import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.utils.Async;
+import com.topjohnwu.magisk.asyncs.MagiskHide;
+import com.topjohnwu.magisk.components.SnackbarMaker;
 import com.topjohnwu.magisk.utils.Utils;
 
 import java.util.ArrayList;
@@ -50,8 +52,8 @@ public class ApplicationAdapter extends RecyclerView.Adapter<ApplicationAdapter.
     }
 
     public void setLists(List<ApplicationInfo> listApps, List<String> hideList) {
-        mOriginalList = mList = Collections.unmodifiableList(listApps);
-        mHideList = new ArrayList<>(hideList);
+        mOriginalList = mList = listApps;
+        mHideList = hideList;
         notifyDataSetChanged();
     }
 
@@ -76,20 +78,19 @@ public class ApplicationAdapter extends RecyclerView.Adapter<ApplicationAdapter.
         if (SNLIST.contains(info.packageName)) {
             holder.checkBox.setChecked(true);
             holder.checkBox.setEnabled(false);
-            holder.itemView.setOnClickListener(v -> {
-                Snackbar snackbar = Snackbar.make(holder.itemView, R.string.safetyNet_hide_notice, Snackbar.LENGTH_LONG);
-                ((TextView) snackbar.getView().findViewById(android.support.design.R.id.snackbar_text)).setMaxLines(2);
-                snackbar.show();
-            });
+            holder.itemView.setOnClickListener(v ->
+                SnackbarMaker.make(holder.itemView,
+                        R.string.safetyNet_hide_notice, Snackbar.LENGTH_LONG).show()
+            );
         } else {
             holder.checkBox.setEnabled(true);
             holder.checkBox.setChecked(mHideList.contains(info.packageName));
             holder.checkBox.setOnCheckedChangeListener((v, isChecked) -> {
                 if (isChecked) {
-                    new Async.MagiskHide().add(info.packageName);
+                    new MagiskHide((Activity) holder.itemView.getContext()).add(info.packageName);
                     mHideList.add(info.packageName);
                 } else {
-                    new Async.MagiskHide().rm(info.packageName);
+                    new MagiskHide((Activity) holder.itemView.getContext()).rm(info.packageName);
                     mHideList.remove(info.packageName);
                 }
             });

app/src/main/java/com/topjohnwu/magisk/adapters/ModulesAdapter.java

@@ -12,8 +12,8 @@ import android.widget.ImageView;
 import android.widget.TextView;
 
 import com.topjohnwu.magisk.R;
+import com.topjohnwu.magisk.components.SnackbarMaker;
 import com.topjohnwu.magisk.module.Module;
-import com.topjohnwu.magisk.utils.Async;
 import com.topjohnwu.magisk.utils.Shell;
 
 import java.util.List;
@@ -38,6 +38,7 @@ public class ModulesAdapter extends RecyclerView.Adapter<ModulesAdapter.ViewHold
     @Override
     public void onBindViewHolder(final ViewHolder holder, int position) {
         Context context = holder.itemView.getContext();
+        Shell rootShell = Shell.getShell(context);
         final Module module = mList.get(position);
 
         String version = module.getVersion();
@@ -52,44 +53,31 @@ public class ModulesAdapter extends RecyclerView.Adapter<ModulesAdapter.ViewHold
 
         holder.checkBox.setOnCheckedChangeListener(null);
         holder.checkBox.setChecked(module.isEnabled());
-        holder.checkBox.setOnCheckedChangeListener((v, isChecked) -> new Async.RootTask<Void, Void, Void>() {
-            @Override
-            protected Void doInBackground(Void... voids) {
-                if (isChecked) {
-                    module.removeDisableFile();
-                } else {
-                    module.createDisableFile();
-                }
-                return null;
+        holder.checkBox.setOnCheckedChangeListener((v, isChecked) -> {
+            int snack;
+            if (isChecked) {
+                module.removeDisableFile(rootShell);
+                snack = R.string.disable_file_removed;
+            } else {
+                module.createDisableFile(rootShell);
+                snack = R.string.disable_file_created;
             }
+            SnackbarMaker.make(holder.itemView, snack, Snackbar.LENGTH_SHORT).show();
+        });
 
-            @Override
-            protected void onPostExecute(Void v) {
-                int snack = isChecked ? R.string.disable_file_removed : R.string.disable_file_created;
-                Snackbar.make(holder.itemView, snack, Snackbar.LENGTH_SHORT).show();
+        holder.delete.setOnClickListener(v -> {
+            boolean removed = module.willBeRemoved();
+            int snack;
+            if (removed) {
+                module.deleteRemoveFile(rootShell);
+                snack = R.string.remove_file_deleted;
+            } else {
+                module.createRemoveFile(rootShell);
+                snack = R.string.remove_file_created;
             }
-        }.exec());
-
-        holder.delete.setOnClickListener(v -> new Async.RootTask<Void, Void, Void>() {
-            private final boolean removed = module.willBeRemoved();
-
-            @Override
-            protected Void doInBackground(Void... voids) {
-                if (removed) {
-                    module.deleteRemoveFile();
-                } else {
-                    module.createRemoveFile();
-                }
-                return null;
-            }
-
-            @Override
-            protected void onPostExecute(Void v) {
-                int snack = removed ? R.string.remove_file_deleted : R.string.remove_file_created;
-                Snackbar.make(holder.itemView, snack, Snackbar.LENGTH_SHORT).show();
-                updateDeleteButton(holder, module);
-            }
-        }.exec());
+            SnackbarMaker.make(holder.itemView, snack, Snackbar.LENGTH_SHORT).show();
+            updateDeleteButton(holder, module);
+        });
 
         if (module.isUpdated()) {
             holder.notice.setVisibility(View.VISIBLE);

app/src/main/java/com/topjohnwu/magisk/adapters/SimpleSectionedRecyclerViewAdapter.java

@@ -1,178 +0,0 @@
-package com.topjohnwu.magisk.adapters;
-
-import android.support.v7.widget.RecyclerView;
-import android.util.SparseArray;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.TextView;
-
-import java.util.Arrays;
-import java.util.Comparator;
-
-public class SimpleSectionedRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
-
-    private static final int SECTION_TYPE = 0;
-
-    private boolean mValid = true;
-    private int mSectionResourceId;
-    private int mTextResourceId;
-    private RecyclerView.Adapter mBaseAdapter;
-    private SparseArray<Section> mSections = new SparseArray<Section>();
-
-
-    public SimpleSectionedRecyclerViewAdapter(int sectionResourceId, int textResourceId,
-                                              RecyclerView.Adapter baseAdapter) {
-
-        mSectionResourceId = sectionResourceId;
-        mTextResourceId = textResourceId;
-        mBaseAdapter = baseAdapter;
-
-        mBaseAdapter.registerAdapterDataObserver(new RecyclerView.AdapterDataObserver() {
-            @Override
-            public void onChanged() {
-                mValid = mBaseAdapter.getItemCount()>0;
-                notifyDataSetChanged();
-            }
-
-            @Override
-            public void onItemRangeChanged(int positionStart, int itemCount) {
-                mValid = mBaseAdapter.getItemCount()>0;
-                notifyItemRangeChanged(positionStart, itemCount);
-            }
-
-            @Override
-            public void onItemRangeInserted(int positionStart, int itemCount) {
-                mValid = mBaseAdapter.getItemCount()>0;
-                notifyItemRangeInserted(positionStart, itemCount);
-            }
-
-            @Override
-            public void onItemRangeRemoved(int positionStart, int itemCount) {
-                mValid = mBaseAdapter.getItemCount()>0;
-                notifyItemRangeRemoved(positionStart, itemCount);
-            }
-        });
-    }
-
-
-    public static class SectionViewHolder extends RecyclerView.ViewHolder {
-
-        public TextView title;
-
-        public SectionViewHolder(View view, int mTextResourceid) {
-            super(view);
-            title = (TextView) view.findViewById(mTextResourceid);
-        }
-    }
-
-    @Override
-    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int typeView) {
-        if (typeView == SECTION_TYPE) {
-            View view = LayoutInflater.from(parent.getContext()).inflate(mSectionResourceId, parent, false);
-            return new SectionViewHolder(view,mTextResourceId);
-        }else{
-            return mBaseAdapter.onCreateViewHolder(parent, typeView -1);
-        }
-    }
-
-    @Override
-    public void onBindViewHolder(RecyclerView.ViewHolder sectionViewHolder, int position) {
-        if (isSectionHeaderPosition(position)) {
-            ((SectionViewHolder)sectionViewHolder).title.setText(mSections.get(position).title);
-        }else{
-            mBaseAdapter.onBindViewHolder(sectionViewHolder,sectionedPositionToPosition(position));
-        }
-
-    }
-
-    @Override
-    public int getItemViewType(int position) {
-        return isSectionHeaderPosition(position)
-                ? SECTION_TYPE
-                : mBaseAdapter.getItemViewType(sectionedPositionToPosition(position)) +1 ;
-    }
-
-
-    public static class Section {
-        int firstPosition;
-        int sectionedPosition;
-        CharSequence title;
-
-        public Section(int firstPosition, CharSequence title) {
-            this.firstPosition = firstPosition;
-            this.title = title;
-        }
-
-        public CharSequence getTitle() {
-            return title;
-        }
-    }
-
-
-    public void setSections(Section[] sections) {
-        mSections.clear();
-
-        Arrays.sort(sections, new Comparator<Section>() {
-            @Override
-            public int compare(Section o, Section o1) {
-                return (o.firstPosition == o1.firstPosition)
-                        ? 0
-                        : ((o.firstPosition < o1.firstPosition) ? -1 : 1);
-            }
-        });
-
-        int offset = 0; // offset positions for the headers we're adding
-        for (Section section : sections) {
-            section.sectionedPosition = section.firstPosition + offset;
-            mSections.append(section.sectionedPosition, section);
-            ++offset;
-        }
-
-        notifyDataSetChanged();
-    }
-
-    public int positionToSectionedPosition(int position) {
-        int offset = 0;
-        for (int i = 0; i < mSections.size(); i++) {
-            if (mSections.valueAt(i).firstPosition > position) {
-                break;
-            }
-            ++offset;
-        }
-        return position + offset;
-    }
-
-    public int sectionedPositionToPosition(int sectionedPosition) {
-        if (isSectionHeaderPosition(sectionedPosition)) {
-            return RecyclerView.NO_POSITION;
-        }
-
-        int offset = 0;
-        for (int i = 0; i < mSections.size(); i++) {
-            if (mSections.valueAt(i).sectionedPosition > sectionedPosition) {
-                break;
-            }
-            --offset;
-        }
-        return sectionedPosition + offset;
-    }
-
-    public boolean isSectionHeaderPosition(int position) {
-        return mSections.get(position) != null;
-    }
-
-
-    @Override
-    public long getItemId(int position) {
-        return isSectionHeaderPosition(position)
-                ? Integer.MAX_VALUE - mSections.indexOfKey(position)
-                : mBaseAdapter.getItemId(sectionedPositionToPosition(position));
-    }
-
-    @Override
-    public int getItemCount() {
-        return (mValid ? mBaseAdapter.getItemCount() + mSections.size() : 0);
-    }
-
-}