update restore heights

Various fixes & tweaks

app/build.gradle

@@ -7,9 +7,8 @@ android {
         applicationId "com.m2049r.xmrwallet"
         minSdkVersion 21
         targetSdkVersion 28
-        versionCode 302
-        versionName "1.13.2 'ReStart'"
-
+        versionCode 403
+        versionName "1.14.3 'On Board'"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         externalNativeBuild {
             cmake {
@@ -93,6 +92,11 @@ android {
                 outputFileName = "$rootProject.ext.apkName-" + v + "_" + abiName + ".apk"
         }
     }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
 }
 
 dependencies {
@@ -102,6 +106,7 @@ dependencies {
     implementation "com.android.support:recyclerview-v7:$rootProject.ext.supportVersion"
     implementation "com.android.support:cardview-v7:$rootProject.ext.supportVersion"
     implementation "com.android.support:swiperefreshlayout:$rootProject.ext.supportVersion"
+    implementation "com.android.support.constraint:constraint-layout:$rootProject.ext.constraintVersion"
     implementation 'me.dm7.barcodescanner:zxing:1.9.8'
 
     implementation "com.squareup.okhttp3:okhttp:$rootProject.ext.okHttpVersion"
@@ -124,5 +129,4 @@ dependencies {
     testImplementation "com.squareup.okhttp3:mockwebserver:$rootProject.ext.okHttpVersion"
     testImplementation 'org.json:json:20180813'
     testImplementation 'net.jodah:concurrentunit:0.4.4'
-
 }

app/src/main/AndroidManifest.xml

@@ -20,24 +20,27 @@
         android:supportsRtl="true"
         android:theme="@style/MyMaterialTheme"
         android:usesCleartextTraffic="true">
-
+        <activity android:name=".MainActivity"
+            android:configChanges="orientation|keyboardHidden"
+            android:launchMode="singleTop"
+            android:screenOrientation="portrait">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
         <activity
             android:name=".WalletActivity"
             android:configChanges="orientation|keyboardHidden"
             android:label="@string/wallet_activity_name"
             android:launchMode="singleTask"
             android:screenOrientation="behind" />
-
         <activity
             android:name=".LoginActivity"
             android:configChanges="orientation|keyboardHidden"
             android:label="@string/app_name"
             android:launchMode="singleTop"
             android:screenOrientation="locked">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
             <intent-filter>
                 <action android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED" />
             </intent-filter>
@@ -62,6 +65,10 @@
                 android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED"
                 android:resource="@xml/usb_device_filter" />
         </activity>
+        <activity android:name=".onboarding.OnBoardingActivity"
+            android:configChanges="orientation|keyboardHidden"
+            android:launchMode="singleTask"
+            android:screenOrientation="portrait"/>
 
         <service
             android:name=".service.WalletService"
@@ -79,4 +86,4 @@
                 android:resource="@xml/filepaths" />
         </provider>
     </application>
-</manifest>
+</manifest>

app/src/main/java/com/m2049r/xmrwallet/LoginActivity.java

@@ -315,10 +315,14 @@ public class LoginActivity extends BaseActivity
                         if (WalletManager.getInstance().walletExists(walletFile)) {
                             Helper.promptPassword(LoginActivity.this, walletName, true, new Helper.PasswordAction() {
                                 @Override
-                                public void action(String walletName, String password, boolean fingerprintUsed) {
+                                public void act(String walletName, String password, boolean fingerprintUsed) {
                                     if (checkDevice(walletName, password))
                                         startDetails(walletFile, password, GenerateReviewFragment.VIEW_TYPE_DETAILS);
                                 }
+
+                                @Override
+                                public void fail(String walletName, String password, boolean fingerprintUsed) {
+                                }
                             });
                         } else { // this cannot really happen as we prefilter choices
                             Timber.e("Wallet missing: %s", walletName);
@@ -348,10 +352,14 @@ public class LoginActivity extends BaseActivity
         if (WalletManager.getInstance().walletExists(walletFile)) {
             Helper.promptPassword(LoginActivity.this, walletName, false, new Helper.PasswordAction() {
                 @Override
-                public void action(String walletName, String password, boolean fingerprintUsed) {
+                public void act(String walletName, String password, boolean fingerprintUsed) {
                     if (checkDevice(walletName, password))
                         startReceive(walletFile, password);
                 }
+
+                @Override
+                public void fail(String walletName, String password, boolean fingerprintUsed) {
+                }
             });
         } else { // this cannot really happen as we prefilter choices
             Toast.makeText(this, getString(R.string.bad_wallet), Toast.LENGTH_SHORT).show();
@@ -1306,10 +1314,15 @@ public class LoginActivity extends BaseActivity
             Helper.promptPassword(LoginActivity.this, walletName, false,
                     new Helper.PasswordAction() {
                         @Override
-                        public void action(String walletName, String password, boolean fingerprintUsed) {
+                        public void act(String walletName, String password, boolean fingerprintUsed) {
                             if (checkDevice(walletName, password))
                                 startWallet(walletName, password, fingerprintUsed, streetmode);
                         }
+
+                        @Override
+                        public void fail(String walletName, String password, boolean fingerprintUsed) {
+                        }
+
                     });
         } else { // this cannot really happen as we prefilter choices
             Toast.makeText(this, getString(R.string.bad_wallet), Toast.LENGTH_SHORT).show();

app/src/main/java/com/m2049r/xmrwallet/MainActivity.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2018-2020 EarlOfEgo, m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.support.v7.app.AppCompatActivity;
+
+import com.m2049r.xmrwallet.onboarding.OnBoardingActivity;
+import com.m2049r.xmrwallet.onboarding.OnBoardingManager;
+
+public class MainActivity extends AppCompatActivity {
+    @Override
+    protected void onCreate(@Nullable final Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (OnBoardingManager.shouldShowOnBoarding(getApplicationContext())) {
+            startActivity(new Intent(this, OnBoardingActivity.class));
+        } else {
+            startActivity(new Intent(this, LoginActivity.class));
+        }
+        finish();
+    }
+}

app/src/main/java/com/m2049r/xmrwallet/WalletActivity.java

@@ -88,7 +88,6 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
     private ActionBarDrawerToggle drawerToggle;
 
     private Toolbar toolbar;
-    private boolean needVerifyIdentity;
     private boolean requestStreetMode = false;
 
     private String password;
@@ -142,7 +141,6 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
 
     private void enableStreetMode(boolean enable) {
         if (enable) {
-            needVerifyIdentity = true;
             streetMode = getWallet().getDaemonBlockChainHeight();
         } else {
             streetMode = 0;
@@ -200,7 +198,6 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
         if (extras != null) {
             acquireWakeLock();
             String walletId = extras.getString(REQUEST_ID);
-            needVerifyIdentity = extras.getBoolean(REQUEST_FINGERPRINT_USED);
             // we can set the streetmode height AFTER opening the wallet
             requestStreetMode = extras.getBoolean(REQUEST_STREETMODE);
             password = extras.getString(REQUEST_PW);
@@ -333,7 +330,7 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
     private void onDisableStreetMode() {
         Helper.promptPassword(WalletActivity.this, getWallet().getName(), false, new Helper.PasswordAction() {
             @Override
-            public void action(String walletName, String password, boolean fingerprintUsed) {
+            public void act(String walletName, String password, boolean fingerprintUsed) {
                 runOnUiThread(new Runnable() {
                     @Override
                     public void run() {
@@ -342,6 +339,10 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
                     }
                 });
             }
+
+            @Override
+            public void fail(String walletName, String password, boolean fingerprintUsed) {
+            }
         });
     }
 
@@ -855,17 +856,16 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
                         final Bundle extras = new Bundle();
                         extras.putString(GenerateReviewFragment.REQUEST_TYPE, GenerateReviewFragment.VIEW_TYPE_WALLET);
 
-                        if (needVerifyIdentity) {
-                            Helper.promptPassword(WalletActivity.this, getWallet().getName(), true, new Helper.PasswordAction() {
-                                @Override
-                                public void action(String walletName, String password, boolean fingerprintUsed) {
-                                    replaceFragment(new GenerateReviewFragment(), null, extras);
-                                    needVerifyIdentity = false;
-                                }
-                            });
-                        } else {
-                            replaceFragment(new GenerateReviewFragment(), null, extras);
-                        }
+                        Helper.promptPassword(WalletActivity.this, getWallet().getName(), true, new Helper.PasswordAction() {
+                            @Override
+                            public void act(String walletName, String password, boolean fingerprintUsed) {
+                                replaceFragment(new GenerateReviewFragment(), null, extras);
+                            }
+
+                            @Override
+                            public void fail(String walletName, String password, boolean fingerprintUsed) {
+                            }
+                        });
 
                         break;
                     case DialogInterface.BUTTON_NEGATIVE:
@@ -1003,12 +1003,6 @@ public class WalletActivity extends BaseActivity implements WalletFragment.Liste
         return getWallet().getUnlockedBalance();
     }
 
-    @Override
-    public boolean verifyWalletPassword(String password) {
-        String walletPassword = Helper.getWalletPassword(getApplicationContext(), getWalletName(), password);
-        return walletPassword != null;
-    }
-
     @Override
     public void onBackPressed() {
         if (drawer.isDrawerOpen(GravityCompat.START)) {

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendBtcConfirmWizardFragment.java

@@ -346,103 +346,16 @@ public class SendBtcConfirmWizardFragment extends SendWizardFragment implements
     }
 
     public void preSend() {
-        final Activity activity = getActivity();
-        View promptsView = getLayoutInflater().inflate(R.layout.prompt_password, null);
-        android.app.AlertDialog.Builder alertDialogBuilder = new android.app.AlertDialog.Builder(activity);
-        alertDialogBuilder.setView(promptsView);
-
-        final TextInputLayout etPassword = promptsView.findViewById(R.id.etPassword);
-        etPassword.setHint(getString(R.string.prompt_send_password));
-
-        etPassword.getEditText().addTextChangedListener(new TextWatcher() {
+        Helper.promptPassword(getContext(), getActivityCallback().getWalletName(), false, new Helper.PasswordAction() {
             @Override
-            public void afterTextChanged(Editable s) {
-                if (etPassword.getError() != null) {
-                    etPassword.setError(null);
-                }
+            public void act(String walletName, String password, boolean fingerprintUsed) {
+                send();
             }
 
-            @Override
-            public void beforeTextChanged(CharSequence s, int start,
-                                          int count, int after) {
-            }
-
-            @Override
-            public void onTextChanged(CharSequence s, int start,
-                                      int before, int count) {
+            public void fail(String walletName, String password, boolean fingerprintUsed) {
+                bSend.setEnabled(sendCountdown > 0); // allow to try again
             }
         });
-
-        alertDialogBuilder
-                .setCancelable(false)
-                .setPositiveButton(getString(R.string.label_ok), new DialogInterface.OnClickListener() {
-                    public void onClick(DialogInterface dialog, int id) {
-                        String pass = etPassword.getEditText().getText().toString();
-                        if (getActivityCallback().verifyWalletPassword(pass)) {
-                            dialog.dismiss();
-                            Helper.hideKeyboardAlways(activity);
-                            send();
-                        } else {
-                            etPassword.setError(getString(R.string.bad_password));
-                        }
-                    }
-                })
-                .setNegativeButton(getString(R.string.label_cancel),
-                        new DialogInterface.OnClickListener() {
-                            public void onClick(DialogInterface dialog, int id) {
-                                Helper.hideKeyboardAlways(activity);
-                                dialog.cancel();
-                                bSend.setEnabled(sendCountdown > 0); // allow to try again
-                            }
-                        });
-
-        final android.app.AlertDialog passwordDialog = alertDialogBuilder.create();
-        passwordDialog.setOnShowListener(new DialogInterface.OnShowListener() {
-            @Override
-            public void onShow(DialogInterface dialog) {
-                Button button = ((android.app.AlertDialog) dialog).getButton(android.app.AlertDialog.BUTTON_POSITIVE);
-                button.setOnClickListener(new View.OnClickListener() {
-                    @Override
-                    public void onClick(View view) {
-                        String pass = etPassword.getEditText().getText().toString();
-                        if (getActivityCallback().verifyWalletPassword(pass)) {
-                            Helper.hideKeyboardAlways(activity);
-                            passwordDialog.dismiss();
-                            send();
-                        } else {
-                            etPassword.setError(getString(R.string.bad_password));
-                        }
-                    }
-                });
-            }
-        });
-
-        Helper.showKeyboard(passwordDialog);
-
-        // accept keyboard "ok"
-        etPassword.getEditText().setOnEditorActionListener(new TextView.OnEditorActionListener() {
-            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
-                if ((event != null && (event.getKeyCode() == KeyEvent.KEYCODE_ENTER) && (event.getAction() == KeyEvent.ACTION_DOWN))
-                        || (actionId == EditorInfo.IME_ACTION_DONE)) {
-                    String pass = etPassword.getEditText().getText().toString();
-                    if (getActivityCallback().verifyWalletPassword(pass)) {
-                        Helper.hideKeyboardAlways(activity);
-                        passwordDialog.dismiss();
-                        send();
-                    } else {
-                        etPassword.setError(getString(R.string.bad_password));
-                    }
-                    return true;
-                }
-                return false;
-            }
-        });
-
-        if (Helper.preventScreenshot()) {
-            passwordDialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
-        }
-
-        passwordDialog.show();
     }
 
     // creates a pending transaction and calls us back with transactionCreated()

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendConfirmWizardFragment.java

@@ -141,7 +141,12 @@ public class SendConfirmWizardFragment extends SendWizardFragment implements Sen
 
     void send() {
         sendListener.commitTransaction();
-        pbProgressSend.setVisibility(View.VISIBLE);
+        getActivity().runOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                pbProgressSend.setVisibility(View.VISIBLE);
+            }
+        });
     }
 
     @Override
@@ -225,103 +230,16 @@ public class SendConfirmWizardFragment extends SendWizardFragment implements Sen
     }
 
     public void preSend() {
-        final Activity activity = getActivity();
-        View promptsView = getLayoutInflater().inflate(R.layout.prompt_password, null);
-        android.app.AlertDialog.Builder alertDialogBuilder = new android.app.AlertDialog.Builder(activity);
-        alertDialogBuilder.setView(promptsView);
-
-        final TextInputLayout etPassword = promptsView.findViewById(R.id.etPassword);
-        etPassword.setHint(getString(R.string.prompt_send_password));
-
-        etPassword.getEditText().addTextChangedListener(new TextWatcher() {
+        Helper.promptPassword(getContext(), getActivityCallback().getWalletName(), false, new Helper.PasswordAction() {
             @Override
-            public void afterTextChanged(Editable s) {
-                if (etPassword.getError() != null) {
-                    etPassword.setError(null);
-                }
+            public void act(String walletName, String password, boolean fingerprintUsed) {
+                send();
             }
 
-            @Override
-            public void beforeTextChanged(CharSequence s, int start,
-                                          int count, int after) {
-            }
-
-            @Override
-            public void onTextChanged(CharSequence s, int start,
-                                      int before, int count) {
+            public void fail(String walletName, String password, boolean fingerprintUsed) {
+                bSend.setEnabled(true); // allow to try again
             }
         });
-
-        alertDialogBuilder
-                .setCancelable(false)
-                .setPositiveButton(getString(R.string.label_ok), new DialogInterface.OnClickListener() {
-                    public void onClick(DialogInterface dialog, int id) {
-                        String pass = etPassword.getEditText().getText().toString();
-                        if (getActivityCallback().verifyWalletPassword(pass)) {
-                            dialog.dismiss();
-                            Helper.hideKeyboardAlways(activity);
-                            send();
-                        } else {
-                            etPassword.setError(getString(R.string.bad_password));
-                        }
-                    }
-                })
-                .setNegativeButton(getString(R.string.label_cancel),
-                        new DialogInterface.OnClickListener() {
-                            public void onClick(DialogInterface dialog, int id) {
-                                Helper.hideKeyboardAlways(activity);
-                                dialog.cancel();
-                                bSend.setEnabled(true); // allow to try again
-                            }
-                        });
-
-        final android.app.AlertDialog passwordDialog = alertDialogBuilder.create();
-        passwordDialog.setOnShowListener(new DialogInterface.OnShowListener() {
-            @Override
-            public void onShow(DialogInterface dialog) {
-                Button button = ((android.app.AlertDialog) dialog).getButton(android.app.AlertDialog.BUTTON_POSITIVE);
-                button.setOnClickListener(new View.OnClickListener() {
-                    @Override
-                    public void onClick(View view) {
-                        String pass = etPassword.getEditText().getText().toString();
-                        if (getActivityCallback().verifyWalletPassword(pass)) {
-                            Helper.hideKeyboardAlways(activity);
-                            passwordDialog.dismiss();
-                            send();
-                        } else {
-                            etPassword.setError(getString(R.string.bad_password));
-                        }
-                    }
-                });
-            }
-        });
-
-        Helper.showKeyboard(passwordDialog);
-
-        // accept keyboard "ok"
-        etPassword.getEditText().setOnEditorActionListener(new TextView.OnEditorActionListener() {
-            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
-                if ((event != null && (event.getKeyCode() == KeyEvent.KEYCODE_ENTER) && (event.getAction() == KeyEvent.ACTION_DOWN))
-                        || (actionId == EditorInfo.IME_ACTION_DONE)) {
-                    String pass = etPassword.getEditText().getText().toString();
-                    if (getActivityCallback().verifyWalletPassword(pass)) {
-                        Helper.hideKeyboardAlways(activity);
-                        passwordDialog.dismiss();
-                        send();
-                    } else {
-                        etPassword.setError(getString(R.string.bad_password));
-                    }
-                    return true;
-                }
-                return false;
-            }
-        });
-
-        if (Helper.preventScreenshot()) {
-            passwordDialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
-        }
-
-        passwordDialog.show();
     }
 
     // creates a pending transaction and calls us back with transactionCreated()

app/src/main/java/com/m2049r/xmrwallet/fragment/send/SendFragment.java

@@ -75,7 +75,7 @@ public class SendFragment extends Fragment
 
         void onPrepareSend(String tag, TxData data);
 
-        boolean verifyWalletPassword(String password);
+        String getWalletName();
 
         void onSend(UserNotes notes);
 

app/src/main/java/com/m2049r/xmrwallet/ledger/Instruction.java

@@ -17,12 +17,15 @@
 package com.m2049r.xmrwallet.ledger;
 
 public enum Instruction {
+
     INS_NONE(0x00),
     INS_RESET(0x02),
     INS_GET_KEY(0x20),
+    INS_DISPLAY_ADDRESS(0x21),
     INS_PUT_KEY(0x22),
     INS_GET_CHACHA8_PREKEY(0x24),
     INS_VERIFY_KEY(0x26),
+    INS_MANAGE_SEEDWORDS(0x28),
 
     INS_SECRET_KEY_TO_PUBLIC_KEY(0x30),
     INS_GEN_KEY_DERIVATION(0x32),
@@ -30,6 +33,7 @@ public enum Instruction {
     INS_DERIVE_PUBLIC_KEY(0x36),
     INS_DERIVE_SECRET_KEY(0x38),
     INS_GEN_KEY_IMAGE(0x3A),
+
     INS_SECRET_KEY_ADD(0x3C),
     INS_SECRET_KEY_SUB(0x3E),
     INS_GENERATE_KEYPAIR(0x40),
@@ -45,15 +49,20 @@ public enum Instruction {
     INS_SET_SIGNATURE_MODE(0x72),
     INS_GET_ADDITIONAL_KEY(0x74),
     INS_STEALTH(0x76),
+    INS_GEN_COMMITMENT_MASK(0x77),
     INS_BLIND(0x78),
     INS_UNBLIND(0x7A),
+    INS_GEN_TXOUT_KEYS(0x7B),
     INS_VALIDATE(0x7C),
+    INS_PREFIX_HASH(0x7D),
     INS_MLSAG(0x7E),
     INS_CLOSE_TX(0x80),
 
-    INS_GET_RESPONSE(0xc0),
+    INS_GET_TX_PROOF(0xA0),
 
-    INS_UNDEFINED(0xff);
+    INS_GET_RESPONSE(0xC0),
+
+    INS_UNDEFINED(0xFF);
 
     public static Instruction fromByte(byte n) {
         switch (n & 0xFF) {

app/src/main/java/com/m2049r/xmrwallet/ledger/Ledger.java

@@ -42,11 +42,11 @@ public class Ledger {
     static public final int LOOKAHEAD_SUBADDRESSES = 20;
     static public final String SUBADDRESS_LOOKAHEAD = LOOKAHEAD_ACCOUNTS + ":" + LOOKAHEAD_SUBADDRESSES;
 
-    private static final byte PROTOCOL_VERSION = 0x02;
+    private static final byte PROTOCOL_VERSION = 0x03;
     public static final int SW_OK = 0x9000;
     public static final int SW_INS_NOT_SUPPORTED = 0x6D00;
     public static final int OK[] = {SW_OK};
-    public static final int MINIMUM_LEDGER_VERSION = (1 << 16) + (3 << 8) + (1); // 1.3.1
+    public static final int MINIMUM_LEDGER_VERSION = (1 << 16) + (6 << 8) + (0); // 1.6.0
 
     public static UsbDevice findDevice(UsbManager usbManager) {
         if (!ENABLED) return null;

app/src/main/java/com/m2049r/xmrwallet/ledger/LedgerProgressDialog.java

@@ -51,6 +51,7 @@ public class LedgerProgressDialog extends ProgressDialog implements Ledger.Liste
                     switch (ins) {
                         case INS_RESET: // ledger may ask for confirmation - maybe a bug?
                         case INS_GET_KEY: // ledger asks for confirmation to send keys
+                        case INS_DISPLAY_ADDRESS:
                             setIndeterminate(true);
                             setMessage(getContext().getString(R.string.progress_ledger_confirm));
                             break;
@@ -102,6 +103,11 @@ public class LedgerProgressDialog extends ProgressDialog implements Ledger.Liste
                                 setMessage(getContext().getString(R.string.progress_ledger_mlsag));
                             }
                             break;
+                        case INS_PREFIX_HASH:
+                            if ((apdu[2] != 1) || (apdu[3] != 0)) break;
+                            setIndeterminate(true);
+                            setMessage(getContext().getString(R.string.progress_ledger_confirm));
+                            break;
                         case INS_VALIDATE:
                             if ((apdu[2] != 1) || (apdu[3] != 1)) break;
                             validate = true;

app/src/main/java/com/m2049r/xmrwallet/onboarding/OnBoardingActivity.java

@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2018-2020 EarlOfEgo, m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.onboarding;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.design.widget.TabLayout;
+import android.support.v4.view.ViewPager;
+import android.support.v7.app.AppCompatActivity;
+import android.util.TypedValue;
+import android.view.View;
+import android.widget.Button;
+import android.widget.LinearLayout;
+
+import com.m2049r.xmrwallet.LoginActivity;
+import com.m2049r.xmrwallet.R;
+
+public class OnBoardingActivity extends AppCompatActivity implements OnBoardingAdapter.Listener {
+
+    private OnBoardingViewPager pager;
+    private OnBoardingAdapter pagerAdapter;
+    private Button nextButton;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_on_boarding);
+
+        nextButton = findViewById(R.id.buttonNext);
+
+        pager = findViewById(R.id.pager);
+        pagerAdapter = new OnBoardingAdapter(getApplicationContext(), this);
+        pager.setAdapter(pagerAdapter);
+        int pixels = (int) TypedValue.applyDimension(
+                TypedValue.COMPLEX_UNIT_DIP, 16, getResources().getDisplayMetrics());
+        pager.setPageMargin(pixels);
+        pager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
+            @Override
+            public void onPageSelected(int position) {
+                setButtonState(position);
+            }
+        });
+
+        final TabLayout tabLayout = (TabLayout) findViewById(R.id.tabLayout);
+        if (pagerAdapter.getCount() > 1) {
+            tabLayout.setupWithViewPager(pager, true);
+            LinearLayout tabStrip = ((LinearLayout) tabLayout.getChildAt(0));
+            for (int i = 0; i < tabStrip.getChildCount(); i++) {
+                tabStrip.getChildAt(i).setClickable(false);
+            }
+        } else {
+            tabLayout.setVisibility(View.GONE);
+        }
+
+        nextButton.setOnClickListener(v -> {
+            final int item = pager.getCurrentItem();
+            if (item + 1 >= pagerAdapter.getCount()) {
+                finishOnboarding();
+            } else {
+                pager.setCurrentItem(item + 1);
+            }
+        });
+
+        for (int i = 0; i < OnBoardingScreen.values().length; i++) {
+            agreed[i] = !OnBoardingScreen.values()[i].isMustAgree();
+        }
+
+        setButtonState(0);
+    }
+
+    private void finishOnboarding() {
+        OnBoardingManager.setOnBoardingShown(getApplicationContext());
+        startActivity(new Intent(this, LoginActivity.class));
+        finish();
+    }
+
+    boolean[] agreed = new boolean[OnBoardingScreen.values().length];
+
+    @Override
+    public void setAgreeClicked(int position, boolean isChecked) {
+        agreed[position] = isChecked;
+        setButtonState(position);
+    }
+
+    @Override
+    public boolean isAgreeClicked(int position) {
+        return agreed[position];
+    }
+
+    @Override
+    public void setButtonState(int position) {
+        nextButton.setEnabled(agreed[position]);
+        if (nextButton.isEnabled())
+            pager.setAllowedSwipeDirection(OnBoardingViewPager.SwipeDirection.ALL);
+        else
+            pager.setAllowedSwipeDirection(OnBoardingViewPager.SwipeDirection.LEFT);
+        if (pager.getCurrentItem() + 1 == pagerAdapter.getCount()) { // last page
+            nextButton.setText(R.string.onboarding_button_ready);
+        } else {
+            nextButton.setText(R.string.onboarding_button_next);
+        }
+    }
+}

app/src/main/java/com/m2049r/xmrwallet/onboarding/OnBoardingAdapter.java

@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2018-2020 EarlOfEgo, m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.onboarding;
+
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import android.support.annotation.NonNull;
+import android.support.v4.content.ContextCompat;
+import android.support.v4.view.PagerAdapter;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CheckBox;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.m2049r.xmrwallet.R;
+
+import timber.log.Timber;
+
+public class OnBoardingAdapter extends PagerAdapter {
+
+    interface Listener {
+        void setAgreeClicked(int position, boolean isChecked);
+
+        boolean isAgreeClicked(int position);
+
+        void setButtonState(int position);
+    }
+
+    private final Context context;
+    private Listener listener;
+
+    OnBoardingAdapter(final Context context, final Listener listener) {
+        this.context = context;
+        this.listener = listener;
+    }
+
+    @NonNull
+    @Override
+    public Object instantiateItem(@NonNull ViewGroup collection, int position) {
+        LayoutInflater inflater = LayoutInflater.from(context);
+        final View view = inflater.inflate(R.layout.view_onboarding, collection, false);
+        final OnBoardingScreen onBoardingScreen = OnBoardingScreen.values()[position];
+
+        final Drawable drawable = ContextCompat.getDrawable(context, onBoardingScreen.getDrawable());
+        ((ImageView) view.findViewById(R.id.onboardingImage)).setImageDrawable(drawable);
+        ((TextView) view.findViewById(R.id.onboardingTitle)).setText(onBoardingScreen.getTitle());
+        ((TextView) view.findViewById(R.id.onboardingInformation)).setText(onBoardingScreen.getInformation());
+        if (onBoardingScreen.isMustAgree()) {
+            final CheckBox agree = ((CheckBox) view.findViewById(R.id.onboardingAgree));
+            agree.setVisibility(View.VISIBLE);
+            agree.setChecked(listener.isAgreeClicked(position));
+            agree.setOnClickListener(v -> {
+                listener.setAgreeClicked(position, ((CheckBox) v).isChecked());
+            });
+        }
+        collection.addView(view);
+        return view;
+    }
+
+    @Override
+    public int getCount() {
+        return OnBoardingScreen.values().length;
+    }
+
+    @Override
+    public void destroyItem(@NonNull ViewGroup collection, int position, @NonNull Object view) {
+        Timber.d("destroy " + position);
+        collection.removeView((View) view);
+    }
+
+    @Override
+    public boolean isViewFromObject(@NonNull final View view, @NonNull final Object object) {
+        return view == object;
+    }
+}

app/src/main/java/com/m2049r/xmrwallet/onboarding/OnBoardingManager.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2018-2020 EarlOfEgo, m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.onboarding;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+
+import com.m2049r.xmrwallet.util.KeyStoreHelper;
+
+import java.util.Date;
+
+import timber.log.Timber;
+
+public class OnBoardingManager {
+
+    private static final String PREFS_ONBOARDING = "PREFS_ONBOARDING";
+    private static final String ONBOARDING_SHOWN = "ONBOARDING_SHOWN";
+
+    public static boolean shouldShowOnBoarding(final Context context) {
+        return !getSharedPreferences(context).contains(ONBOARDING_SHOWN);
+    }
+
+    public static void setOnBoardingShown(final Context context) {
+        Timber.d("Set onboarding shown.");
+        SharedPreferences sharedPreferences = getSharedPreferences(context);
+        sharedPreferences.edit().putLong(ONBOARDING_SHOWN, new Date().getTime()).apply();
+    }
+
+    public static void clearOnBoardingShown(final Context context) {
+        SharedPreferences sharedPreferences = getSharedPreferences(context);
+        sharedPreferences.edit().remove(ONBOARDING_SHOWN).apply();
+    }
+
+    private static SharedPreferences getSharedPreferences(final Context context) {
+        return context.getSharedPreferences(PREFS_ONBOARDING, Context.MODE_PRIVATE);
+    }
+}

app/src/main/java/com/m2049r/xmrwallet/onboarding/OnBoardingScreen.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2018-2020 EarlOfEgo, m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.m2049r.xmrwallet.onboarding;
+
+import com.m2049r.xmrwallet.R;
+
+enum OnBoardingScreen {
+    WELCOME(R.string.onboarding_welcome_title, R.string.onboarding_welcome_information, R.drawable.ic_onboarding_welcome, false),
+    SEED(R.string.onboarding_seed_title, R.string.onboarding_seed_information, R.drawable.ic_onboarding_seed, true),
+    FPSEND(R.string.onboarding_fpsend_title, R.string.onboarding_fpsend_information, R.drawable.ic_onboarding_fingerprint, false),
+    XMRTO(R.string.onboarding_xmrto_title, R.string.onboarding_xmrto_information, R.drawable.ic_onboarding_xmrto, false),
+    NODES(R.string.onboarding_nodes_title, R.string.onboarding_nodes_information, R.drawable.ic_onboarding_nodes, false);
+
+    private final int title;
+    private final int information;
+    private final int drawable;
+    private final boolean mustAgree;
+
+    OnBoardingScreen(final int title, final int information, final int drawable, final boolean mustAgree) {
+        this.title = title;
+        this.information = information;
+        this.drawable = drawable;
+        this.mustAgree = mustAgree;
+    }
+
+    public int getTitle() {
+        return title;
+    }
+
+    public int getInformation() {
+        return information;
+    }
+
+    public int getDrawable() {
+        return drawable;
+    }
+
+    public boolean isMustAgree() {
+        return mustAgree;
+    }
+}

app/src/main/java/com/m2049r/xmrwallet/onboarding/OnBoardingViewPager.java

@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2020 m2049r
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// based on https://stackoverflow.com/a/34076649
+
+package com.m2049r.xmrwallet.onboarding;
+
+import android.content.Context;
+import android.support.v4.view.ViewPager;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+
+public class OnBoardingViewPager extends ViewPager {
+
+    public enum SwipeDirection {
+        ALL, LEFT, RIGHT, NONE;
+    }
+
+    private float initialXValue;
+    private SwipeDirection direction;
+
+    public OnBoardingViewPager(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        this.direction = SwipeDirection.ALL;
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent event) {
+        if (this.IsSwipeAllowed(event)) {
+            return super.onTouchEvent(event);
+        }
+
+        return false;
+    }
+
+    @Override
+    public boolean onInterceptTouchEvent(MotionEvent event) {
+        if (this.IsSwipeAllowed(event)) {
+            return super.onInterceptTouchEvent(event);
+        }
+
+        return false;
+    }
+
+    private boolean IsSwipeAllowed(MotionEvent event) {
+        if (this.direction == SwipeDirection.ALL) return true;
+
+        if (direction == SwipeDirection.NONE)//disable any swipe
+            return false;
+
+        if (event.getAction() == MotionEvent.ACTION_DOWN) {
+            initialXValue = event.getX();
+            return true;
+        }
+
+        if (event.getAction() == MotionEvent.ACTION_MOVE) {
+            float diffX = event.getX() - initialXValue;
+            if (diffX > 0 && direction == SwipeDirection.RIGHT) {
+                // swipe from left to right detected
+                return false;
+            } else if (diffX < 0 && direction == SwipeDirection.LEFT) {
+                // swipe from right to left detected
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    public void setAllowedSwipeDirection(SwipeDirection direction) {
+        this.direction = direction;
+    }
+}

app/src/main/java/com/m2049r/xmrwallet/util/Helper.java

@@ -417,7 +417,7 @@ public class Helper {
     }
 
     static AlertDialog openDialog = null; // for preventing opening of multiple dialogs
-    static AsyncTask<Void, Void, Boolean> loginTask = null;
+    static AsyncTask<Void, Void, Boolean> passwordTask = null;
 
     static public void promptPassword(final Context context, final String wallet, boolean fingerprintDisabled, final PasswordAction action) {
         if (openDialog != null) return; // we are already asking for password
@@ -442,11 +442,11 @@ public class Helper {
 
         final AtomicBoolean incorrectSavedPass = new AtomicBoolean(false);
 
-        class LoginWalletTask extends AsyncTask<Void, Void, Boolean> {
+        class PasswordTask extends AsyncTask<Void, Void, Boolean> {
             private String pass;
             private boolean fingerprintUsed;
 
-            LoginWalletTask(String pass, boolean fingerprintUsed) {
+            PasswordTask(String pass, boolean fingerprintUsed) {
                 this.pass = pass;
                 this.fingerprintUsed = fingerprintUsed;
             }
@@ -488,7 +488,7 @@ public class Helper {
                         etPassword.setError(context.getString(R.string.bad_password));
                     }
                 }
-                loginTask = null;
+                passwordTask = null;
             }
         }
 
@@ -521,9 +521,9 @@ public class Helper {
                             public void onClick(DialogInterface dialog, int id) {
                                 Helper.hideKeyboardAlways((Activity) context);
                                 cancelSignal.cancel();
-                                if (loginTask != null) {
-                                    loginTask.cancel(true);
-                                    loginTask = null;
+                                if (passwordTask != null) {
+                                    passwordTask.cancel(true);
+                                    passwordTask = null;
                                 }
                                 dialog.cancel();
                                 openDialog = null;
@@ -552,9 +552,9 @@ public class Helper {
                 public void onAuthenticationSucceeded(FingerprintManager.AuthenticationResult result) {
                     try {
                         String userPass = KeyStoreHelper.loadWalletUserPass(context, wallet);
-                        if (loginTask == null) {
-                            loginTask = new LoginWalletTask(userPass, true);
-                            loginTask.execute();
+                        if (passwordTask == null) {
+                            passwordTask = new PasswordTask(userPass, true);
+                            passwordTask.execute();
                         }
                     } catch (KeyStoreHelper.BrokenPasswordStoreException ex) {
                         etPassword.setError(context.getString(R.string.bad_password));
@@ -586,9 +586,9 @@ public class Helper {
                     @Override
                     public void onClick(View view) {
                         String pass = etPassword.getEditText().getText().toString();
-                        if (loginTask == null) {
-                            loginTask = new LoginWalletTask(pass, false);
-                            loginTask.execute();
+                        if (passwordTask == null) {
+                            passwordTask = new PasswordTask(pass, false);
+                            passwordTask.execute();
                         }
                     }
                 });
@@ -601,9 +601,9 @@ public class Helper {
                 if ((event != null && (event.getKeyCode() == KeyEvent.KEYCODE_ENTER) && (event.getAction() == KeyEvent.ACTION_DOWN))
                         || (actionId == EditorInfo.IME_ACTION_DONE)) {
                     String pass = etPassword.getEditText().getText().toString();
-                    if (loginTask == null) {
-                        loginTask = new LoginWalletTask(pass, false);
-                        loginTask.execute();
+                    if (passwordTask == null) {
+                        passwordTask = new PasswordTask(pass, false);
+                        passwordTask.execute();
                     }
                     return true;
                 }
@@ -620,15 +620,18 @@ public class Helper {
     }
 
     public interface PasswordAction {
-        void action(String walletName, String password, boolean fingerprintUsed);
+        void act(String walletName, String password, boolean fingerprintUsed);
+
+        void fail(String walletName, String password, boolean fingerprintUsed);
     }
 
     static private boolean processPasswordEntry(Context context, String walletName, String pass, boolean fingerprintUsed, PasswordAction action) {
         String walletPassword = Helper.getWalletPassword(context, walletName, pass);
         if (walletPassword != null) {
-            action.action(walletName, walletPassword, fingerprintUsed);
+            action.act(walletName, walletPassword, fingerprintUsed);
             return true;
         } else {
+            action.fail(walletName, walletPassword, fingerprintUsed);
             return false;
         }
     }

app/src/main/java/com/m2049r/xmrwallet/util/KeyStoreHelper.java

@@ -140,6 +140,11 @@ public class KeyStoreHelper {
         }
     }
 
+    public static boolean hasStoredPasswords(@NonNull Context context) {
+        SharedPreferences prefs = context.getSharedPreferences(SecurityConstants.WALLET_PASS_PREFS_NAME, Context.MODE_PRIVATE);
+        return prefs.getAll().size() > 0;
+    }
+
     public static String loadWalletUserPass(@NonNull Context context, String wallet) throws BrokenPasswordStoreException {
         String walletKeyAlias = SecurityConstants.WALLET_PASS_KEY_PREFIX + wallet;
         String encoded = context.getSharedPreferences(SecurityConstants.WALLET_PASS_PREFS_NAME, Context.MODE_PRIVATE)

app/src/main/java/com/m2049r/xmrwallet/util/RestoreHeight.java

@@ -116,6 +116,9 @@ public class RestoreHeight {
         blockheight.put("2020-04-01", 2066806L);
         blockheight.put("2020-05-01", 2088411L);
         blockheight.put("2020-06-01", 2110702L);
+        blockheight.put("2020-07-01", 2132318L);
+        blockheight.put("2020-08-01", 2154590L);
+        blockheight.put("2020-09-01", 2176790L);
     }
 
     public long getHeight(String date) {

app/src/main/res/drawable/dot_dark.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <shape
+            android:innerRadius="0dp"
+            android:shape="ring"
+            android:thickness="8dp"
+            android:useLevel="false">
+            <solid android:color="@color/gradientOrange" />
+        </shape>
+    </item>
+</layer-list>

app/src/main/res/drawable/dot_light.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <shape
+            android:innerRadius="0dp"
+            android:shape="ring"
+            android:thickness="8dp"
+            android:useLevel="false">
+            <solid android:color="#CDD1D9" />
+        </shape>
+    </item>
+</layer-list>

app/src/main/res/drawable/onboarding_dots.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item android:drawable="@drawable/dot_dark" android:state_selected="true" />
+    <item android:drawable="@drawable/dot_light" />
+</selector>

app/src/main/res/layout/activity_on_boarding.xml

@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context="com.m2049r.xmrwallet.onboarding.OnBoardingActivity"
+    tools:layout_editor_absoluteY="25dp">
+
+    <Button
+        android:id="@+id/buttonNext"
+        style="@style/MoneroButton"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginBottom="8dp"
+        android:clipToPadding="false"
+        android:elevation="4dp"
+        android:text="@string/onboarding_button_next"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <com.m2049r.xmrwallet.onboarding.OnBoardingViewPager
+        android:id="@+id/pager"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="16dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginBottom="8dp"
+        android:background="@color/white"
+        android:clipToPadding="false"
+        android:elevation="2dp"
+        app:layout_constraintBottom_toTopOf="@+id/tabLayout"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <android.support.design.widget.TabLayout
+        android:id="@+id/tabLayout"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginBottom="8dp"
+        android:clipToPadding="false"
+        android:elevation="2dp"
+        app:layout_constraintBottom_toTopOf="@+id/buttonNext"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:tabBackground="@drawable/onboarding_dots"
+        app:tabGravity="center"
+        app:tabIndicatorHeight="0dp" />
+
+</android.support.constraint.ConstraintLayout>

app/src/main/res/layout/fragment_send_address.xml

@@ -36,7 +36,7 @@
                     android:layout_alignParentStart="true"
                     android:layout_toStartOf="@+id/bPasteAddress"
                     app:counterEnabled="true"
-                    app:counterMaxLength="16"
+                    app:counterMaxLength="95"
                     app:errorEnabled="true">
 
                     <android.support.design.widget.TextInputEditText

app/src/main/res/layout/view_onboarding.xml

@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/white">
+
+    <ImageView
+        android:id="@+id/onboardingImage"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:layout_marginStart="32dp"
+        android:layout_marginTop="32dp"
+        android:layout_marginEnd="32dp"
+        android:layout_marginBottom="32dp"
+        app:layout_constraintBottom_toTopOf="@+id/onboardingTitle"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:srcCompat="@drawable/gunther_24dp" />
+
+    <TextView
+        android:id="@+id/onboardingInformation"
+        style="@style/MoneroText.Info"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="32dp"
+        android:layout_marginTop="16dp"
+        android:layout_marginEnd="32dp"
+        android:layout_marginBottom="8dp"
+        android:gravity="center"
+        android:lineSpacingMultiplier="1.2"
+        app:layout_constraintBottom_toTopOf="@+id/onboardingAgree"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/onboardingTitle"
+        tools:text="@string/onboarding_fpsend_information" />
+
+    <android.support.constraint.Guideline
+        android:id="@+id/guideline"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:orientation="horizontal"
+        app:layout_constraintGuide_percent="0.6" />
+
+    <TextView
+        android:id="@+id/onboardingTitle"
+        style="@style/MoneroText.Balance"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="@id/guideline"
+        tools:text="@string/onboarding_fpsend_title" />
+
+    <CheckBox
+        android:id="@+id/onboardingAgree"
+        style="@style/MoneroLabel.Caps.Black"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:layout_marginBottom="16dp"
+        android:text="@string/onboarding_agree"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/onboardingInformation" />
+</android.support.constraint.ConstraintLayout>

app/src/main/res/values/colors.xml

@@ -15,7 +15,7 @@
 
     <color name="moneroWhite">#ffffff</color>
     <color name="moneroBlack">#000000</color>
-    <color name="moneroBlue">#1F4E97</color>
+    <color name="moneroBlue">#1f4e97</color>
     <color name="moneroGray">#FD9B9B9B</color>
 
     <color name="moneroStreetA">#D81F0759</color>