version bump to 0.15

Thanks to Nabarl Wang, Davi Lopes, Matheus Silva Sales, Jhonatan Cardoso

.tx/config

@@ -1,5 +1,6 @@
 [main]
 host = https://www.transifex.com
+lang_map = he: iw, zh_CN: zh-rCN, zh_TW: zh-rTW, es_MX: es-rMX, pt_BR: pt-rBR, nb_NO: nb-rNO
 
 [unipatcher.strings_xml]
 file_filter = app/src/main/res/values-<lang>/strings.xml

README.md

@@ -14,23 +14,24 @@ UniPatcher is a ROM patcher for Android that supports IPS, IPS32, UPS, BPS, APS
 
 ### Screenshots:
 
-<img src="/google-play/screenshot_1.png" width="350">
-<img src="/google-play/screenshot_2.png" width="350">
+<img src="/google-play/screenshot_1.png" width="350"> <img src="/google-play/screenshot_2.png" width="350">
 
 ### Install UniPatcher:
 
-[<img src="/google-play/badges/google-play.png" width="220">](https://play.google.com/store/apps/details?id=org.emunix.unipatcher)  [<img src="/google-play/badges/amazon.png" width="220">](http://www.amazon.com/gp/mas/dl/android?p=org.emunix.unipatcher)  [<img src="/google-play/badges/slideme.png" width="220">](http://slideme.org/application/unipatcher)
+[<img src="/google-play/badges/google-play.png" alt="Get it on Google Play" width="220">](https://play.google.com/store/apps/details?id=org.emunix.unipatcher) [<img src="/google-play/badges/f-droid.png" alt="Get it on F-Droid" width="220">](https://f-droid.org/app/org.emunix.unipatcher)
+
+[<img src="/google-play/badges/amazon.png" alt="Get it on Amazon" width="220">](http://www.amazon.com/gp/mas/dl/android?p=org.emunix.unipatcher)  [<img src="/google-play/badges/slideme.png" alt="Get it on SlideMe" width="220">](http://slideme.org/application/unipatcher)
 
 [... or get a Release APK here on GitHub](https://github.com/btimofeev/UniPatcher/releases)
 
-### How to contribute to UniPatcher:
+### Contribute:
 
-#### Report a bug or suggest a new feature
+#### Report a bug or suggest features
 
-Bugs and new features are being discussed on the GitHub [Issue Tracker](https://github.com/btimofeev/UniPatcher/issues).
+These are discussed on the GitHub [Issue Tracker](https://github.com/btimofeev/UniPatcher/issues).
 
-#### Help with translations
-If you want to translate UniPatcher into another language, you can visit the [Transifex project page](https://www.transifex.com/unipatcher/unipatcher/). 
+#### Translations
+Help translate UniPatcher into another language on the [Transifex project page](https://www.transifex.com/unipatcher/unipatcher/). 
 
 ### License
 UniPatcher is licensed under the GPL version 3. You can find the license text in the COPYING file.

app/build.gradle

@@ -1,13 +1,8 @@
-def versionMajor = 0
-def versionMinor = 14
-def versionPatch = 0
-def versionBuild = 0
-
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion '25.0.2'
+    compileSdkVersion 27
+    buildToolsVersion '27.0.1'
 
     signingConfigs {
         release
@@ -16,11 +11,12 @@ android {
     defaultConfig {
         applicationId "org.emunix.unipatcher"
         minSdkVersion 14
-        targetSdkVersion 25
-        versionCode versionMajor * 1000000 + versionMinor * 10000 + versionPatch * 100 + versionBuild
-        versionName "${versionMajor}.${versionMinor}.${versionPatch}"
+        targetSdkVersion 27
+        versionCode 150000
+        versionName "0.15"
+        vectorDrawables.useSupportLibrary = true
         ndk {
-            abiFilters 'armeabi', 'armeabi-v7a', 'arm64-v8a', 'x86', 'x86_64', 'mips64', 'mips'
+            abiFilters 'armeabi-v7a', 'x86'
         }
         externalNativeBuild {
             cmake {
@@ -39,6 +35,8 @@ android {
         }
     }
 
+    flavorDimensions "default"
+
     productFlavors {
         free {
             buildConfigField "String", "RATE_URL", "\"https://github.com/btimofeev/UniPatcher\""
@@ -78,6 +76,11 @@ android {
             path "CMakeLists.txt"
         }
     }
+
+    lintOptions {
+        disable 'MissingTranslation'
+    }
+
 }
 
 def Properties props = new Properties()
@@ -106,18 +109,18 @@ if (propFile.canRead()) {
 
 dependencies {
     testCompile 'junit:junit:4.12'
-    testCompile 'org.mockito:mockito-core:2.7.14'
+    testCompile 'org.mockito:mockito-core:2.12.0'
     compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:support-v4:25.3.0'
-    compile 'com.android.support:appcompat-v7:25.3.0'
-    compile 'com.android.support:cardview-v7:25.3.0'
-    compile 'com.android.support:preference-v14:25.3.0'
-    compile 'com.android.support:recyclerview-v7:25.3.0'
-    compile 'com.android.support:design:25.3.0'
+    compile 'com.android.support:support-v4:27.0.2'
+    compile 'com.android.support:appcompat-v7:27.0.2'
+    compile 'com.android.support:cardview-v7:27.0.2'
+    compile 'com.android.support:preference-v14:27.0.2'
+    compile 'com.android.support:recyclerview-v7:27.0.2'
+    compile 'com.android.support:design:27.0.2'
+    compile 'com.android.support:support-v13:27.0.2' // used in material-dialogs
     compile 'commons-io:commons-io:2.5'
     compile 'org.sufficientlysecure:donations:2.5'
-    compile 'org.sufficientlysecure:html-textview:3.3'
+    compile 'org.sufficientlysecure:html-textview:3.5'
     compile 'org.commonjava.googlecode.markdown4j:markdown4j:2.2-cj-1.1'
-    compile 'com.afollestad.material-dialogs:core:0.9.4.1'
-    compile 'com.android.support:support-v13:25.3.0' // used in material-dialogs
+    compile 'com.afollestad.material-dialogs:core:0.9.6.0'
 }

app/src/main/AndroidManifest.xml

@@ -8,8 +8,9 @@
     <uses-permission android:name="android.permission.WAKE_LOCK"/>
 
     <application
+        android:name=".UniPatcher"
         android:allowBackup="false"
-        android:extractNativeLibs="false"
+        android:extractNativeLibs="true"
         android:fullBackupContent="false"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
@@ -41,6 +42,7 @@
                 <data android:pathPattern="/.*\\.dps"/>
                 <data android:pathPattern="/.*\\.xdelta"/>
                 <data android:pathPattern="/.*\\.xdelta3"/>
+                <data android:pathPattern="/.*\\.xd"/>
                 <data android:pathPattern="/.*\\.vcdiff"/>
                 <data android:host="*"/>
             </intent-filter>
@@ -69,4 +71,4 @@
 
     </application>
 
-</manifest>
+</manifest>

app/src/main/java/org/emunix/unipatcher/Action.java

@@ -0,0 +1,35 @@
+/*
+ Copyright (c) 2017 Boris Timofeev
+
+ This file is part of UniPatcher.
+
+ UniPatcher is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ UniPatcher is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with UniPatcher.  If not, see <http://www.gnu.org/licenses/>.
+
+ */
+
+package org.emunix.unipatcher;
+
+public class Action {
+    public static final int SELECT_ROM_FILE = 1;
+    public static final int SELECT_PATCH_FILE = 2;
+    public static final int SELECT_SOURCE_FILE = 3;
+    public static final int SELECT_MODIFIED_FILE = 4;
+    public static final int SELECT_HEADER_FILE = 5;
+
+    public static final int APPLY_PATCH = 101;
+    public static final int CREATE_PATCH = 102;
+    public static final int SMD_FIX_CHECKSUM = 103;
+    public static final int SNES_ADD_SMC_HEADER = 104;
+    public static final int SNES_DELETE_SMC_HEADER = 105;
+}

app/src/main/java/org/emunix/unipatcher/Globals.java

@@ -1,38 +0,0 @@
-/*
-Copyright (C) 2013-2017 Boris Timofeev
-
-This file is part of UniPatcher.
-
-UniPatcher is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 3 of the License, or
-(at your option) any later version.
-
-UniPatcher is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with UniPatcher.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-package org.emunix.unipatcher;
-
-public class Globals {
-    private static String cmdArgument = null;
-
-    public static String getCmdArgument() {
-        return cmdArgument;
-    }
-
-    public static void setCmdArgument(String cmdArgument) {
-        Globals.cmdArgument = cmdArgument;
-    }
-
-    public static final int ACTION_PATCHING = 1;
-    public static final int ACTION_CREATE_PATCH = 2;
-    public static final int ACTION_SMD_FIX_CHECKSUM = 3;
-    public static final int ACTION_SNES_ADD_SMC_HEADER = 4;
-    public static final int ACTION_SNES_DELETE_SMC_HEADER = 5;
-}

app/src/main/java/org/emunix/unipatcher/Settings.java

@@ -74,4 +74,28 @@ public class Settings {
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
         return prefs.getBoolean("ignore_checksum", false);
     }
+
+    public static void setPatchingSuccessful(Context context, Boolean isSuccessful) {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+        SharedPreferences.Editor editor = prefs.edit();
+        editor.putBoolean("patching_successful", isSuccessful);
+        editor.apply();
+    }
+
+    public static boolean getPatchingSuccessful(Context context) {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+        return prefs.getBoolean("patching_successful", false);
+    }
+
+    public static void setDontShowDonateSnackbarCount(Context context, int count) {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+        SharedPreferences.Editor editor = prefs.edit();
+        editor.putInt("dont_show_donate_snackbar", count);
+        editor.apply();
+    }
+
+    public static int getDontShowDonateSnackbarCount(Context context) {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+        return prefs.getInt("dont_show_donate_snackbar", 0);
+    }
 }

app/src/main/java/org/emunix/unipatcher/UniPatcher.java

@@ -0,0 +1,57 @@
+/*
+ Copyright (c) 2017 Boris Timofeev
+
+ This file is part of UniPatcher.
+
+ UniPatcher is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ UniPatcher is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with UniPatcher.  If not, see <http://www.gnu.org/licenses/>.
+
+ */
+
+package org.emunix.unipatcher;
+
+import android.app.Application;
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import android.content.Context;
+import android.os.Build;
+
+public class UniPatcher extends Application {
+    private static String appArgument = null;
+    public static final String NOTIFICATION_CHANNEL_ID = "notifications";
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        initNotificationChannel();
+    }
+
+    public static String getAppArgument() {
+        return appArgument;
+    }
+
+    public static void setAppArgument(String appArgument) {
+        UniPatcher.appArgument = appArgument;
+    }
+
+    public void initNotificationChannel() {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
+            return;
+        }
+        NotificationManager manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
+        NotificationChannel channel = new NotificationChannel(NOTIFICATION_CHANNEL_ID,
+                getString(R.string.notification_channel_name),
+                NotificationManager.IMPORTANCE_DEFAULT);
+        manager.createNotificationChannel(channel);
+    }
+}

app/src/main/java/org/emunix/unipatcher/Utils.java

@@ -22,6 +22,7 @@ package org.emunix.unipatcher;
 import android.Manifest;
 import android.annotation.TargetApi;
 import android.content.Context;
+import android.content.Intent;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.os.Build;
@@ -48,6 +49,14 @@ public class Utils {
 
     private static final int BUFFER_SIZE = 10240; // 10 Kb
 
+    public static void startForegroundService(Context context, Intent intent) {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
+            context.startService(intent);
+        } else {
+            context.startForegroundService(intent);
+        }
+    }
+
     public static String getAppVersion(Context context) {
         String versionName = "N/A";
         try {
@@ -152,7 +161,7 @@ public class Utils {
 
     public static boolean isPatch(File file) {
         String[] patches =
-                {"ips", "ups", "bps", "aps", "ppf", "dps", "ebp", "xdelta", "xdelta3", "vcdiff"};
+                {"ips", "ups", "bps", "aps", "ppf", "dps", "ebp", "xdelta", "xdelta3", "xd", "vcdiff"};
         String ext = FilenameUtils.getExtension(file.getName()).toLowerCase(Locale.getDefault());
         for (String patch : patches) {
             if (ext.equals(patch)) return true;

app/src/main/java/org/emunix/unipatcher/WorkerService.java

@@ -24,6 +24,7 @@ import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.content.Intent;
+import android.os.Build;
 import android.os.PowerManager;
 import android.support.v4.app.NotificationCompat;
 
@@ -75,19 +76,19 @@ public class WorkerService extends IntentService {
         try {
             int action = intent.getIntExtra("action", 0);
             switch (action) {
-                case Globals.ACTION_PATCHING:
+                case Action.APPLY_PATCH:
                     actionPatching(intent);
                     break;
-                case Globals.ACTION_CREATE_PATCH:
+                case Action.CREATE_PATCH:
                     actionCreatePatch(intent);
                     break;
-                case Globals.ACTION_SMD_FIX_CHECKSUM:
+                case Action.SMD_FIX_CHECKSUM:
                     actionSmdFixChecksum(intent);
                     break;
-                case Globals.ACTION_SNES_ADD_SMC_HEADER:
+                case Action.SNES_ADD_SMC_HEADER:
                     actionSnesAddSmcHeader(intent);
                     break;
-                case Globals.ACTION_SNES_DELETE_SMC_HEADER:
+                case Action.SNES_DELETE_SMC_HEADER:
                     actionSnesDeleteSmcHeader(intent);
                     break;
             }
@@ -145,24 +146,24 @@ public class WorkerService extends IntentService {
             patcher = new EBP(this, patchFile, romFile, outputFile);
         else if ("dps".equals(ext))
             patcher = new DPS(this, patchFile, romFile, outputFile);
-        else if ("xdelta".equals(ext) || "xdelta3".equals(ext) || "vcdiff".equals(ext))
+        else if ("xdelta".equals(ext) || "xdelta3".equals(ext) || "xd".equals(ext) || "vcdiff".equals(ext))
             patcher = new XDelta(this, patchFile, romFile, outputFile);
         else
             errorMsg = getString(R.string.notify_error_unknown_patch_format);
 
-        Notify notify = new PatchingNotify(this, outputFile.getName());
-
         if (errorMsg != null) {
-            notify.showResult(errorMsg);
+            showErrorNotification(errorMsg);
             return;
         }
 
+        Notify notify = new PatchingNotify(this, outputFile.getName());
         startForeground(notify.getID(), notify.getNotifyBuilder().build());
 
         try {
             if ("ppf".equals(ext))
                 Utils.copyFile(this, romFile, outputFile);
             patcher.apply(Settings.getIgnoreChecksum(this));
+            Settings.setPatchingSuccessful(this, true);
         } catch (PatchException | IOException e) {
             if (Utils.getFreeSpace(outputFile.getParentFile()) == 0) {
                 errorMsg = getString(R.string.notify_error_not_enough_space);
@@ -219,6 +220,7 @@ public class WorkerService extends IntentService {
 
         try {
             patcher.create();
+            Settings.setPatchingSuccessful(this, true);
         } catch (PatchException | IOException e) {
             if (Utils.getFreeSpace(patchFile.getParentFile()) == 0) {
                 errorMsg = getString(R.string.notify_error_not_enough_space);
@@ -324,15 +326,21 @@ public class WorkerService extends IntentService {
     private void showErrorNotification(String text) {
         Intent notificationIntent = new Intent(this, MainActivity.class);
         NotificationManager nm = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
-        Notification notify = new NotificationCompat.Builder(this)
+        Notification notify = new NotificationCompat.Builder(this, UniPatcher.NOTIFICATION_CHANNEL_ID)
                 .setContentTitle(getString(R.string.notify_error))
                 .setContentText(text)
-                .setSmallIcon(R.drawable.ic_stat_patching)
+                .setSmallIcon(R.drawable.ic_gamepad_variant_white_24dp)
                 .setContentIntent(PendingIntent.getActivity(this, 0, notificationIntent, PendingIntent.FLAG_CANCEL_CURRENT))
                 .setAutoCancel(true)
                 .setStyle(new NotificationCompat.BigTextStyle()
                         .bigText(text))
                 .build();
-        nm.notify(0, notify);
+
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
+            nm.notify(32768, notify);
+        } else {
+            startForeground(32768, notify);
+            stopForeground(STOP_FOREGROUND_DETACH);
+        }
     }
 }

app/src/main/java/org/emunix/unipatcher/ui/activity/FilePickerActivity.java

@@ -29,6 +29,7 @@ import android.os.Environment;
 import android.support.annotation.NonNull;
 import android.support.v4.app.ActivityCompat;
 import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.CardView;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.support.v7.widget.Toolbar;
@@ -63,6 +64,7 @@ public class FilePickerActivity extends AppCompatActivity implements FilePickerA
     private RecyclerView list;
     private FilePickerAdapter listAdapter;
     private TextView permissionErrorText;
+    private CardView card;
 
     private TextView crc32;
     private TextView md5;
@@ -104,6 +106,7 @@ public class FilePickerActivity extends AppCompatActivity implements FilePickerA
         permissionErrorText = (TextView) findViewById(R.id.empty_view);
 
         list = (RecyclerView) findViewById(R.id.list);
+        card = (CardView) findViewById(R.id.card);
         try {
             list.setHasFixedSize(true);
         } catch (NullPointerException e) {/* TODO log */}
@@ -201,7 +204,7 @@ public class FilePickerActivity extends AppCompatActivity implements FilePickerA
 
         if (currentDir.getParent() != null && currentDir.getParentFile().canRead()) {
             entry = new FileEntry();
-            entry.setIcon(R.drawable.ic_folder_upload_grey600_24dp);
+            entry.setIcon(R.drawable.folder_upload);
             entry.setName("..");
             fileList.add(entry);
         }
@@ -211,15 +214,15 @@ public class FilePickerActivity extends AppCompatActivity implements FilePickerA
                 continue;
             if (file.isDirectory()) {
                 entry = new FileEntry();
-                entry.setIcon(R.drawable.ic_folder_grey600_24dp);
+                entry.setIcon(R.drawable.folder);
                 entry.setName(file.getName());
                 fileList.add(entry);
             } else {
                 entry = new FileEntry();
                 if (Utils.isPatch(file)) {
-                    entry.setIcon(R.drawable.ic_healing_grey600_24dp);
+                    entry.setIcon(R.drawable.healing);
                 } else {
-                    entry.setIcon(R.drawable.ic_insert_drive_file_grey600_24dp);
+                    entry.setIcon(R.drawable.file);
                 }
                 entry.setName(file.getName());
                 fileList.add(entry);
@@ -274,11 +277,11 @@ public class FilePickerActivity extends AppCompatActivity implements FilePickerA
 
     private void showPermissionError(boolean on) {
         if (on) {
-            list.setVisibility(View.GONE);
+            card.setVisibility(View.GONE);
             permissionErrorText.setVisibility(View.VISIBLE);
         } else {
             permissionErrorText.setVisibility(View.GONE);
-            list.setVisibility(View.VISIBLE);
+            card.setVisibility(View.VISIBLE);
         }
     }
 

app/src/main/java/org/emunix/unipatcher/ui/activity/MainActivity.java

@@ -25,6 +25,7 @@ import android.net.Uri;
 import android.os.Bundle;
 import android.support.design.widget.FloatingActionButton;
 import android.support.design.widget.NavigationView;
+import android.support.design.widget.Snackbar;
 import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentManager;
 import android.support.v4.app.FragmentTransaction;
@@ -35,26 +36,27 @@ import android.support.v7.app.AppCompatActivity;
 import android.support.v7.app.AppCompatDelegate;
 import android.support.v7.preference.PreferenceManager;
 import android.support.v7.widget.Toolbar;
-import android.util.Log;
 import android.view.MenuItem;
 import android.view.View;
 
 import org.emunix.unipatcher.BuildConfig;
-import org.emunix.unipatcher.Globals;
 import org.emunix.unipatcher.R;
+import org.emunix.unipatcher.Settings;
+import org.emunix.unipatcher.UniPatcher;
 import org.emunix.unipatcher.ui.fragment.ActionFragment;
 import org.emunix.unipatcher.ui.fragment.CreatePatchFragment;
 import org.emunix.unipatcher.ui.fragment.PatchingFragment;
 import org.emunix.unipatcher.ui.fragment.SmdFixChecksumFragment;
 import org.emunix.unipatcher.ui.fragment.SnesSmcHeaderFragment;
 
+import java.util.Random;
+
 import static android.support.v7.app.AppCompatDelegate.MODE_NIGHT_AUTO;
 import static android.support.v7.app.AppCompatDelegate.MODE_NIGHT_NO;
 import static android.support.v7.app.AppCompatDelegate.MODE_NIGHT_YES;
 
 public class MainActivity extends AppCompatActivity
         implements NavigationView.OnNavigationItemSelectedListener {
-    private static final String LOG_TAG = "org.emunix.unipatcher";
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -80,8 +82,6 @@ public class MainActivity extends AppCompatActivity
                 if (fragment != null) {
                     boolean ret = fragment.runAction();
                 }
-                //Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
-                //        .setAction("Action", null).show();
             }
         });
 
@@ -93,6 +93,7 @@ public class MainActivity extends AppCompatActivity
         }
 
         parseArgument();
+        showDonateSnackbar();
     }
 
     private void setTheme() {
@@ -134,8 +135,7 @@ public class MainActivity extends AppCompatActivity
         } else if (id == R.id.nav_rate) {
             rateApp();
         } else if (id == R.id.nav_donate) {
-            Intent donateIntent = new Intent(this, DonateActivity.class);
-            startActivity(donateIntent);
+            showDonateActivity();
         } else if (id == R.id.nav_share) {
             shareApp();
         } else if (id == R.id.nav_help) {
@@ -171,13 +171,51 @@ public class MainActivity extends AppCompatActivity
     private void parseArgument() {
         try {
             String arg = getIntent().getData().getPath();
-            Globals.setCmdArgument(arg);
-            Log.d(LOG_TAG, "Cmd argument: " + arg);
+            UniPatcher.setAppArgument(arg);
         } catch (NullPointerException e) {
-            Log.e(LOG_TAG, "NullPointerException in argument fetching");
+            // The application is not opened from the file manager
         }
     }
 
+    private void showDonateSnackbar() {
+        // don't show snackbar if the user did not patch the file successfully
+        if (!Settings.getPatchingSuccessful(this))
+            return;
+
+        // don't show snackbar some time if the user swiped off it before
+        int count = Settings.getDontShowDonateSnackbarCount(this);
+        if (count != 0) {
+            Settings.setDontShowDonateSnackbarCount(this, --count);
+            return;
+        }
+
+        // don't show snackbar each time you open the application
+        if (new Random().nextInt(6) != 0)
+            return;
+
+        Snackbar.make(findViewById(R.id.content_frame), R.string.main_activity_donate_snackbar_text, Snackbar.LENGTH_INDEFINITE)
+                    .setAction(R.string.main_activity_donate_snackbar_button, new View.OnClickListener() {
+                        @Override
+                        public void onClick(View v) {
+                            showDonateActivity();
+                        }
+                    })
+                    .addCallback(new Snackbar.Callback() {
+                        @Override
+                        public void onDismissed(Snackbar snackbar, int event) {
+                            if (event == Snackbar.Callback.DISMISS_EVENT_SWIPE) {
+                                Settings.setDontShowDonateSnackbarCount(getApplicationContext(), 30);
+                            }
+                        }
+                    }
+                    ).show();
+    }
+
+    private void showDonateActivity() {
+        Intent donateIntent = new Intent(this, DonateActivity.class);
+        startActivity(donateIntent);
+    }
+
     private void shareApp() {
         Intent shareIntent = new Intent(Intent.ACTION_SEND);
         shareIntent.setType("text/plain");

app/src/main/java/org/emunix/unipatcher/ui/fragment/CreatePatchFragment.java

@@ -37,7 +37,7 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import org.apache.commons.io.FilenameUtils;
-import org.emunix.unipatcher.Globals;
+import org.emunix.unipatcher.Action;
 import org.emunix.unipatcher.R;
 import org.emunix.unipatcher.Settings;
 import org.emunix.unipatcher.Utils;
@@ -50,8 +50,6 @@ public class CreatePatchFragment extends ActionFragment implements View.OnClickL
 
     private static final String LOG_TAG = "org.emunix.unipatcher";
 
-    private static final int SELECT_SOURCE_FILE = 1;
-    private static final int SELECT_MODIFIED_FILE = 2;
     private TextView sourceNameTextView;
     private TextView modifiedNameTextView;
     private TextView patchNameTextView;
@@ -136,12 +134,12 @@ public class CreatePatchFragment extends ActionFragment implements View.OnClickL
             case R.id.sourceFileCardView:
                 intent.putExtra("title", getString(R.string.file_picker_activity_title_select_source_file));
                 intent.putExtra("directory", Settings.getRomDir(getActivity()));
-                startActivityForResult(intent, SELECT_SOURCE_FILE);
+                startActivityForResult(intent, Action.SELECT_SOURCE_FILE);
                 break;
             case R.id.modifiedFileCardView:
                 intent.putExtra("title", getString(R.string.file_picker_activity_title_select_modified_file));
                 intent.putExtra("directory", Settings.getRomDir(getActivity()));
-                startActivityForResult(intent, SELECT_MODIFIED_FILE);
+                startActivityForResult(intent, Action.SELECT_MODIFIED_FILE);
                 break;
             case R.id.patchFileCardView:
                 renamePatchFile();
@@ -157,13 +155,13 @@ public class CreatePatchFragment extends ActionFragment implements View.OnClickL
             File fpath = new File(path);
 
             switch (requestCode) {
-                case SELECT_SOURCE_FILE:
+                case Action.SELECT_SOURCE_FILE:
                     sourcePath = path;
                     sourceNameTextView.setVisibility(View.VISIBLE);
                     sourceNameTextView.setText(fpath.getName());
                     Settings.setLastRomDir(getActivity(), fpath.getParent());
                     break;
-                case SELECT_MODIFIED_FILE:
+                case Action.SELECT_MODIFIED_FILE:
                     modifiedPath = path;
                     modifiedNameTextView.setVisibility(View.VISIBLE);
                     modifiedNameTextView.setText(fpath.getName());
@@ -198,11 +196,11 @@ public class CreatePatchFragment extends ActionFragment implements View.OnClickL
         }
 
         Intent intent = new Intent(getActivity(), WorkerService.class);
-        intent.putExtra("action", Globals.ACTION_CREATE_PATCH);
+        intent.putExtra("action", Action.CREATE_PATCH);
         intent.putExtra("sourcePath", sourcePath);
         intent.putExtra("modifiedPath", modifiedPath);
         intent.putExtra("patchPath", patchPath);
-        getActivity().startService(intent);
+        Utils.startForegroundService(getActivity(), intent);
 
         Toast.makeText(getActivity(), R.string.toast_create_patch_started_check_notify, Toast.LENGTH_SHORT).show();
         return true;

app/src/main/java/org/emunix/unipatcher/ui/fragment/PatchingFragment.java

@@ -36,9 +36,10 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import org.apache.commons.io.FilenameUtils;
-import org.emunix.unipatcher.Globals;
+import org.emunix.unipatcher.Action;
 import org.emunix.unipatcher.R;
 import org.emunix.unipatcher.Settings;
+import org.emunix.unipatcher.UniPatcher;
 import org.emunix.unipatcher.Utils;
 import org.emunix.unipatcher.WorkerService;
 import org.emunix.unipatcher.ui.activity.FilePickerActivity;
@@ -49,8 +50,6 @@ public class PatchingFragment extends ActionFragment implements View.OnClickList
 
     private static final String LOG_TAG = "org.emunix.unipatcher";
 
-    private static final int SELECT_ROM_FILE = 1;
-    private static final int SELECT_PATCH_FILE = 2;
     private TextView romNameTextView;
     private TextView patchNameTextView;
     private TextView outputNameTextView;
@@ -97,7 +96,7 @@ public class PatchingFragment extends ActionFragment implements View.OnClickList
     }
 
     private void parseArgument() {
-        patchPath = Globals.getCmdArgument();
+        patchPath = UniPatcher.getAppArgument();
         if (patchPath != null) {
             patchNameTextView.setText(new File(patchPath).getName());
         }
@@ -147,12 +146,12 @@ public class PatchingFragment extends ActionFragment implements View.OnClickList
             case R.id.patchCardView:
                 intent.putExtra("title", getString(R.string.file_picker_activity_title_select_patch));
                 intent.putExtra("directory", Settings.getPatchDir(getActivity()));
-                startActivityForResult(intent, SELECT_PATCH_FILE);
+                startActivityForResult(intent, Action.SELECT_PATCH_FILE);
                 break;
             case R.id.romCardView:
                 intent.putExtra("title", getString(R.string.file_picker_activity_title_select_rom));
                 intent.putExtra("directory", Settings.getRomDir(getActivity()));
-                startActivityForResult(intent, SELECT_ROM_FILE);
+                startActivityForResult(intent, Action.SELECT_ROM_FILE);
                 break;
             case R.id.outputCardView:
                 renameOutputRom();
@@ -172,7 +171,7 @@ public class PatchingFragment extends ActionFragment implements View.OnClickList
             }
 
             switch (requestCode) {
-                case SELECT_ROM_FILE:
+                case Action.SELECT_ROM_FILE:
                     romPath = path;
                     romNameTextView.setVisibility(View.VISIBLE);
                     romNameTextView.setText(fpath.getName());
@@ -180,7 +179,7 @@ public class PatchingFragment extends ActionFragment implements View.OnClickList
                     outputPath = makeOutputPath(path);
                     outputNameTextView.setText(new File(outputPath).getName());
                     break;
-                case SELECT_PATCH_FILE:
+                case Action.SELECT_PATCH_FILE:
                     patchPath = path;
                     patchNameTextView.setVisibility(View.VISIBLE);
                     patchNameTextView.setText(fpath.getName());
@@ -214,11 +213,11 @@ public class PatchingFragment extends ActionFragment implements View.OnClickList
         }
 
         Intent intent = new Intent(getActivity(), WorkerService.class);
-        intent.putExtra("action", Globals.ACTION_PATCHING);
+        intent.putExtra("action", Action.APPLY_PATCH);
         intent.putExtra("romPath", romPath);
         intent.putExtra("patchPath", patchPath);
         intent.putExtra("outputPath", outputPath);
-        getActivity().startService(intent);
+        Utils.startForegroundService(getActivity(), intent);
 
         Toast.makeText(getActivity(), R.string.toast_patching_started_check_notify, Toast.LENGTH_SHORT).show();
         return true;

app/src/main/java/org/emunix/unipatcher/ui/fragment/SmdFixChecksumFragment.java

@@ -31,7 +31,7 @@ import android.view.ViewGroup;
 import android.widget.TextView;
 import android.widget.Toast;
 
-import org.emunix.unipatcher.Globals;
+import org.emunix.unipatcher.Action;
 import org.emunix.unipatcher.R;
 import org.emunix.unipatcher.Settings;
 import org.emunix.unipatcher.Utils;
@@ -43,7 +43,6 @@ import java.io.File;
 public class SmdFixChecksumFragment extends ActionFragment implements View.OnClickListener {
     private static final String LOG_TAG = "org.emunix.unipatcher";
 
-    private static final int SELECT_ROM_FILE = 1;
 
     private TextView romNameTextView;
     private TextView fixChecksumInfoTextview;
@@ -108,7 +107,7 @@ public class SmdFixChecksumFragment extends ActionFragment implements View.OnCli
             case R.id.romCardView:
                 intent.putExtra("title", getString(R.string.file_picker_activity_title_select_rom));
                 intent.putExtra("directory", Settings.getRomDir(getActivity()));
-                startActivityForResult(intent, SELECT_ROM_FILE);
+                startActivityForResult(intent, Action.SELECT_ROM_FILE);
                 break;
         }
     }
@@ -124,7 +123,7 @@ public class SmdFixChecksumFragment extends ActionFragment implements View.OnCli
             }
 
             switch (requestCode) {
-                case SELECT_ROM_FILE:
+                case Action.SELECT_ROM_FILE:
                     romPath = path;
                     romNameTextView.setVisibility(View.VISIBLE);
                     romNameTextView.setText(new File(path).getName());
@@ -142,9 +141,9 @@ public class SmdFixChecksumFragment extends ActionFragment implements View.OnCli
         }
 
         Intent intent = new Intent(getActivity(), WorkerService.class);
-        intent.putExtra("action", Globals.ACTION_SMD_FIX_CHECKSUM);
         intent.putExtra("romPath", romPath);
-        getActivity().startService(intent);
+        intent.putExtra("action", Action.SMD_FIX_CHECKSUM);
+        Utils.startForegroundService(getActivity(), intent);
 
         Toast.makeText(getActivity(), R.string.notify_smd_fix_checksum_started_check_notify, Toast.LENGTH_SHORT).show();
         return true;

app/src/main/java/org/emunix/unipatcher/ui/fragment/SnesSmcHeaderFragment.java

@@ -31,7 +31,7 @@ import android.view.ViewGroup;
 import android.widget.TextView;
 import android.widget.Toast;
 
-import org.emunix.unipatcher.Globals;
+import org.emunix.unipatcher.Action;
 import org.emunix.unipatcher.R;
 import org.emunix.unipatcher.Settings;
 import org.emunix.unipatcher.Utils;
@@ -43,8 +43,6 @@ import java.io.File;
 
 public class SnesSmcHeaderFragment extends ActionFragment implements View.OnClickListener {
     private static final String LOG_TAG = "org.emunix.unipatcher";
-    private static final int SELECT_ROM_FILE = 1;
-    private static final int SELECT_HEADER_FILE = 2;
 
     private TextView romNameTextView;
     private TextView headerNameTextView;
@@ -104,10 +102,10 @@ public class SnesSmcHeaderFragment extends ActionFragment implements View.OnClic
             romPath = savedInstanceState.getString("romPath");
             headerPath = savedInstanceState.getString("headerPath");
             action = savedInstanceState.getInt("action");
-            if (action == Globals.ACTION_SNES_ADD_SMC_HEADER) {
+            if (action == Action.SNES_ADD_SMC_HEADER) {
                 headerInfoTextView.setText(R.string.snes_smc_header_will_be_added);
                 headerCardView.setVisibility(View.VISIBLE);
-            } else if (action == Globals.ACTION_SNES_DELETE_SMC_HEADER) {
+            } else if (action == Action.SNES_DELETE_SMC_HEADER) {
                 headerInfoTextView.setText(R.string.snes_smc_header_will_be_removed);
                 headerCardView.setVisibility(View.GONE);
             }
@@ -133,11 +131,11 @@ public class SnesSmcHeaderFragment extends ActionFragment implements View.OnClic
             case R.id.romCardView:
                 intent.putExtra("title", getString(R.string.file_picker_activity_title_select_rom));
                 intent.putExtra("directory", Settings.getRomDir(getActivity()));
-                startActivityForResult(intent, SELECT_ROM_FILE);
+                startActivityForResult(intent, Action.SELECT_ROM_FILE);
                 break;
             case R.id.headerCardView:
                 intent.putExtra("title", getString(R.string.file_picker_activity_title_select_header));
-                startActivityForResult(intent, SELECT_HEADER_FILE);
+                startActivityForResult(intent, Action.SELECT_HEADER_FILE);
                 break;
         }
     }
@@ -153,25 +151,25 @@ public class SnesSmcHeaderFragment extends ActionFragment implements View.OnClic
             }
 
             switch (requestCode) {
-                case SELECT_ROM_FILE:
+                case Action.SELECT_ROM_FILE:
                     romPath = path;
                     romNameTextView.setVisibility(View.VISIBLE);
                     romNameTextView.setText(new File(path).getName());
                     Settings.setLastRomDir(getActivity(), new File(path).getParent());
                     SnesSmcHeader checker = new SnesSmcHeader();
                     if (checker.isHasSmcHeader(new File(path))) {
-                        action = Globals.ACTION_SNES_DELETE_SMC_HEADER;
+                        action = Action.SNES_DELETE_SMC_HEADER;
                         headerCardView.setVisibility(View.GONE);
                         headerInfoTextView.setText(R.string.snes_smc_header_will_be_removed);
                     } else {
-                        action = Globals.ACTION_SNES_ADD_SMC_HEADER;
+                        action = Action.SNES_ADD_SMC_HEADER;
                         headerCardView.setVisibility(View.VISIBLE);
                         headerInfoTextView.setText(R.string.snes_smc_header_will_be_added);
                     }
                     headerPath = null;
                     headerNameTextView.setText(R.string.main_activity_tap_to_select);
                     break;
-                case SELECT_HEADER_FILE:
+                case Action.SELECT_HEADER_FILE:
                     headerPath = path;
                     headerNameTextView.setText(new File(path).getName());
                     break;
@@ -190,9 +188,9 @@ public class SnesSmcHeaderFragment extends ActionFragment implements View.OnClic
         intent.putExtra("action", action);
         intent.putExtra("romPath", romPath);
         intent.putExtra("headerPath", headerPath);
-        getActivity().startService(intent);
+        Utils.startForegroundService(getActivity(), intent);
 
-        if (action == Globals.ACTION_SNES_ADD_SMC_HEADER) {
+        if (action == Action.SNES_ADD_SMC_HEADER) {
             Toast.makeText(getActivity(), R.string.notify_snes_add_smc_header_stared_check_noify, Toast.LENGTH_SHORT).show();
         } else {
             Toast.makeText(getActivity(), R.string.notify_snes_delete_smc_header_stared_check_noify, Toast.LENGTH_SHORT).show();

app/src/main/java/org/emunix/unipatcher/ui/notify/CreatePatchNotify.java

@@ -29,7 +29,7 @@ public class CreatePatchNotify extends Notify {
 
     public CreatePatchNotify(Context c, String text) {
         super(c);
-        notifyBuilder.setSmallIcon(R.drawable.ic_stat_patching);
+        notifyBuilder.setSmallIcon(R.drawable.ic_gamepad_variant_white_24dp);
         notifyBuilder.setContentTitle(context.getString(R.string.notify_creating_patch));
         notifyBuilder.setContentText(text);
         notifyBuilder.setStyle(new NotificationCompat.BigTextStyle().bigText(text));

app/src/main/java/org/emunix/unipatcher/ui/notify/Notify.java

@@ -24,6 +24,7 @@ import android.content.Intent;
 import android.support.v4.app.NotificationCompat;
 import android.support.v4.app.NotificationManagerCompat;
 
+import org.emunix.unipatcher.UniPatcher;
 import org.emunix.unipatcher.ui.activity.MainActivity;
 
 public abstract class Notify {
@@ -40,9 +41,8 @@ public abstract class Notify {
 
         Intent notificationIntent = new Intent(context, MainActivity.class);
         notificationIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_SINGLE_TOP);
-        notifyBuilder = new NotificationCompat.Builder(context);
+        notifyBuilder = new NotificationCompat.Builder(context, UniPatcher.NOTIFICATION_CHANNEL_ID);
         notifyBuilder.setContentIntent(PendingIntent.getActivity(context, 0, notificationIntent, PendingIntent.FLAG_CANCEL_CURRENT));
-        //notifyMng = (NotificationManager) context.getSystemService(context.NOTIFICATION_SERVICE);
         notifyMng = NotificationManagerCompat.from(context);
     }
 

app/src/main/java/org/emunix/unipatcher/ui/notify/PatchingNotify.java

@@ -28,7 +28,7 @@ public class PatchingNotify extends Notify {
 
     public PatchingNotify(Context c, String text) {
         super(c);
-        notifyBuilder.setSmallIcon(R.drawable.ic_stat_patching);
+        notifyBuilder.setSmallIcon(R.drawable.ic_gamepad_variant_white_24dp);
         notifyBuilder.setContentTitle(context.getString(R.string.notify_applying_patch));
         notifyBuilder.setContentText(text);
         notifyBuilder.setStyle(new NotificationCompat.BigTextStyle().bigText(text));

app/src/main/java/org/emunix/unipatcher/ui/notify/SmdFixChecksumNotify.java

@@ -28,7 +28,7 @@ public class SmdFixChecksumNotify extends Notify {
 
     public SmdFixChecksumNotify(Context c, String text) {
         super(c);
-        notifyBuilder.setSmallIcon(R.drawable.ic_stat_patching);
+        notifyBuilder.setSmallIcon(R.drawable.ic_gamepad_variant_white_24dp);
         notifyBuilder.setContentTitle(context.getString(R.string.notify_smd_fix_checksum_in_progress));
         notifyBuilder.setContentText(text);
         notifyBuilder.setStyle(new NotificationCompat.BigTextStyle().bigText(text));

app/src/main/java/org/emunix/unipatcher/ui/notify/SnesAddSmcHeaderNotify.java

@@ -27,7 +27,7 @@ import org.emunix.unipatcher.R;
 public class SnesAddSmcHeaderNotify extends Notify {
     public SnesAddSmcHeaderNotify(Context c, String text) {
         super(c);
-        notifyBuilder.setSmallIcon(R.drawable.ic_stat_patching);
+        notifyBuilder.setSmallIcon(R.drawable.ic_gamepad_variant_white_24dp);
         notifyBuilder.setContentTitle(context.getString(R.string.notify_snes_add_smc_header_in_progress));
         notifyBuilder.setContentText(text);
         notifyBuilder.setStyle(new NotificationCompat.BigTextStyle().bigText(text));

app/src/main/java/org/emunix/unipatcher/ui/notify/SnesDeleteSmcHeaderNotify.java

@@ -27,7 +27,7 @@ import org.emunix.unipatcher.R;
 public class SnesDeleteSmcHeaderNotify extends Notify {
     public SnesDeleteSmcHeaderNotify(Context c, String text) {
         super(c);
-        notifyBuilder.setSmallIcon(R.drawable.ic_stat_patching);
+        notifyBuilder.setSmallIcon(R.drawable.ic_gamepad_variant_white_24dp);
         notifyBuilder.setContentTitle(context.getString(R.string.notify_snes_delete_smc_header_in_progress));
         notifyBuilder.setContentText(text);
         notifyBuilder.setStyle(new NotificationCompat.BigTextStyle().bigText(text));

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

@@ -0,0 +1,8 @@
+<!-- drawable/content_cut.xml -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:width="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path android:fillColor="#000" android:pathData="M19,3L13,9L15,11L22,4V3M12,12.5A0.5,0.5 0 0,1 11.5,12A0.5,0.5 0 0,1 12,11.5A0.5,0.5 0 0,1 12.5,12A0.5,0.5 0 0,1 12,12.5M6,20A2,2 0 0,1 4,18C4,16.89 4.9,16 6,16A2,2 0 0,1 8,18C8,19.11 7.1,20 6,20M6,8A2,2 0 0,1 4,6C4,4.89 4.9,4 6,4A2,2 0 0,1 8,6C8,7.11 7.1,8 6,8M9.64,7.64C9.87,7.14 10,6.59 10,6A4,4 0 0,0 6,2A4,4 0 0,0 2,6A4,4 0 0,0 6,10C6.59,10 7.14,9.87 7.64,9.64L10,12L7.64,14.36C7.14,14.13 6.59,14 6,14A4,4 0 0,0 2,18A4,4 0 0,0 6,22A4,4 0 0,0 10,18C10,17.41 9.87,16.86 9.64,16.36L12,14L19,21H22V20L9.64,7.64Z" />
+</vector>

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

@@ -0,0 +1,8 @@
+<!-- drawable/content_save.xml -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:width="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path android:fillColor="#fff" android:pathData="M15,9H5V5H15M12,19A3,3 0 0,1 9,16A3,3 0 0,1 12,13A3,3 0 0,1 15,16A3,3 0 0,1 12,19M17,3H5C3.89,3 3,3.9 3,5V19A2,2 0 0,0 5,21H19A2,2 0 0,0 21,19V7L17,3Z" />
+</vector>

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

@@ -0,0 +1,8 @@
+<!-- drawable/file.xml -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:width="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path android:fillColor="#000" android:pathData="M13,9V3.5L18.5,9M6,2C4.89,2 4,2.89 4,4V20A2,2 0 0,0 6,22H18A2,2 0 0,0 20,20V8L14,2H6Z" />
+</vector>

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

@@ -0,0 +1,8 @@
+<!-- drawable/fingerprint.xml -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:width="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
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