Android Oreo Issues Has Been Resolved.

app/build.gradle

@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.2"
+    compileSdkVersion 27
+    buildToolsVersion "27.0.3"
 
     defaultConfig {
         applicationId "com.ahmedjazzar.rosetta.app"
-        minSdkVersion 14
-        targetSdkVersion 23
+        minSdkVersion 15
+        targetSdkVersion 27
         versionCode 1
         versionName "0.9.3"
     }
@@ -20,12 +20,12 @@ android {
 }
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:23.1.1'
-    compile 'com.android.support:design:23.1.1'
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'com.android.support:design:27.1.1'
 
-    testCompile 'junit:junit:4.12'
-    testCompile 'org.mockito:mockito-core:1.10.19'
+    testImplementation 'junit:junit:4.12'
+    testImplementation 'org.mockito:mockito-core:2.7.22'
 
-    compile project(':rosetta')
+    implementation project(':rosetta')
 }

app/src/main/AndroidManifest.xml

@@ -3,21 +3,21 @@
     package="com.ahmedjazzar.rosetta.app">
 
     <application
+        android:name=".MainApplication"
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:supportsRtl="true"
-        android:theme="@style/AppTheme"
-        android:name=".MainApplication" >
+        android:theme="@style/AppTheme">
 
         <activity
             android:name=".MainActivity"
             android:label="@string/app_name"
             android:theme="@style/AppTheme.NoActionBar">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
-
                 <category android:name="android.intent.category.LAUNCHER" />
+                <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
         </activity>
     </application>

app/src/main/java/com/ahmedjazzar/rosetta/app/BaseActivity.java

@@ -0,0 +1,29 @@
+package com.ahmedjazzar.rosetta.app;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.preference.PreferenceManager;
+import android.support.v7.app.AppCompatActivity;
+
+import com.ahmedjazzar.rosetta.ContextWrapper;
+
+import java.util.Locale;
+
+public abstract class BaseActivity extends AppCompatActivity {
+    SharedPreferences mSharedPreferences;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+    }
+
+    @Override
+    protected void attachBaseContext(Context newBase) {
+        mSharedPreferences = PreferenceManager.getDefaultSharedPreferences(newBase);
+        Locale locale = new Locale(mSharedPreferences.getString("user_preferred_language", "en"));
+        Context context = ContextWrapper.wrap(newBase, locale);
+        super.attachBaseContext(context);
+    }
+}

app/src/main/java/com/ahmedjazzar/rosetta/app/MainActivity.java

@@ -12,16 +12,16 @@
 
 import java.util.Locale;
 
-public class MainActivity extends AppCompatActivity {
+public class MainActivity extends BaseActivity {
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
-        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
+        Toolbar toolbar = findViewById(R.id.toolbar);
 
         // This floating button switching between Arabic and English Locales manually upon click
-        final FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
+        final FloatingActionButton fab = findViewById(R.id.fab);
         setSupportActionBar(toolbar);
 
         if (MainApplication.languageSwitcher.getCurrentLocale().getLanguage().equals("ar"))   {

app/src/main/java/com/ahmedjazzar/rosetta/app/MainApplication.java

@@ -1,7 +1,11 @@
 package com.ahmedjazzar.rosetta.app;
 
 import android.app.Application;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.preference.PreferenceManager;
 
+import com.ahmedjazzar.rosetta.ContextWrapper;
 import com.ahmedjazzar.rosetta.LanguageSwitcher;
 
 import java.util.HashSet;

app/src/main/res/values-v21/styles.xml

@@ -4,6 +4,6 @@
         <item name="windowActionBar">false</item>
         <item name="windowNoTitle">true</item>
         <item name="android:windowDrawsSystemBarBackgrounds">true</item>
-        <item name="android:statusBarColor">@android:color/transparent</item>
+        <item name="android:statusBarColor">@color/colorPrimaryDark</item>
     </style>
 </resources>

build.gradle

@@ -3,9 +3,10 @@
 buildscript {
     repositories {
         jcenter()
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.5.0'
+        classpath 'com.android.tools.build:gradle:3.1.3'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -15,6 +16,7 @@ buildscript {
 allprojects {
     repositories {
         jcenter()
+        google()
     }
 }
 

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Wed Oct 21 11:34:03 PDT 2015
+#Thu Jun 21 17:34:17 PKT 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.8-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip

rosetta/build.gradle

@@ -14,7 +14,7 @@ ext {
     siteUrl = 'https://github.com/ahmedaljazzar/rosetta'
     gitUrl = 'https://github.com/ahmedaljazzar/rosetta.git'
 
-    libraryVersion = '1.0.1'
+    libraryVersion = '1.0.2'
 
     developerId = 'ahmedaljazzar'
     developerName = 'Ahmed Jazzar'
@@ -29,11 +29,12 @@ buildscript {
     repositories {
         jcenter()
         mavenCentral()
+        google()
     }
     dependencies {
-        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.4'
-        classpath 'com.android.tools.build:gradle:1.2.3'
-        classpath 'com.github.dcendents:android-maven-gradle-plugin:1.3'
+        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.7.3'
+        classpath 'com.android.tools.build:gradle:3.1.3'
+        classpath 'com.github.dcendents:android-maven-gradle-plugin:2.0'
     }
 }
 
@@ -45,12 +46,12 @@ android {
         maven { url 'http://repo1.maven.org/maven2' }
     }
 
-    compileSdkVersion 23
-    buildToolsVersion "23.0.2"
+    compileSdkVersion 27
+    buildToolsVersion '27.0.3'
 
     defaultConfig {
-        minSdkVersion 14
-        targetSdkVersion 23
+        minSdkVersion 15
+        targetSdkVersion 27
         versionCode 3
         versionName "1.0.1"
     }
@@ -64,11 +65,12 @@ android {
 }
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
-    testCompile 'junit:junit:4.12'
-    testCompile 'org.mockito:mockito-core:1.10.19'
-    compile 'com.android.support:appcompat-v7:23.1.1'
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    testImplementation 'junit:junit:4.12'
+    testImplementation 'org.mockito:mockito-core:2.7.22'
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'com.jakewharton:process-phoenix:2.0.0'
 }
 
-apply from: 'https://raw.githubusercontent.com/nuuneoi/JCenter/master/installv1.gradle'
-apply from: 'https://raw.githubusercontent.com/nuuneoi/JCenter/master/bintrayv1.gradle'
+//apply from: 'https://raw.githubusercontent.com/nuuneoi/JCenter/master/installv1.gradle'
+//apply from: 'https://raw.githubusercontent.com/nuuneoi/JCenter/master/bintrayv1.gradle'

rosetta/src/main/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.ahmedjazzar.rosetta">
 
-    <application android:supportsRtl="true" />
+    <application android:supportsRtl="true"/>
 </manifest>

rosetta/src/main/java/com/ahmedjazzar/rosetta/ContextWrapper.java

@@ -0,0 +1,42 @@
+package com.ahmedjazzar.rosetta;
+
+import android.content.Context;
+import android.content.res.Configuration;
+import android.content.res.Resources;
+import android.os.Build;
+import android.os.LocaleList;
+
+import java.util.Locale;
+
+public class ContextWrapper extends android.content.ContextWrapper {
+
+    public ContextWrapper(Context base) {
+        super(base);
+    }
+
+    public static ContextWrapper wrap(Context context, Locale newLocale) {
+
+        Resources res = context.getResources();
+        Configuration configuration = res.getConfiguration();
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            configuration.setLocale(newLocale);
+
+            LocaleList localeList = new LocaleList(newLocale);
+            LocaleList.setDefault(localeList);
+            configuration.setLocales(localeList);
+
+            context = context.createConfigurationContext(configuration);
+
+        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+            configuration.setLocale(newLocale);
+            context = context.createConfigurationContext(configuration);
+
+        } else {
+            configuration.locale = newLocale;
+            res.updateConfiguration(configuration, res.getDisplayMetrics());
+        }
+
+        return new ContextWrapper(context);
+    }
+}

rosetta/src/main/java/com/ahmedjazzar/rosetta/LanguagesListDialogFragment.java

@@ -11,6 +11,8 @@
 import android.widget.Button;
 import android.widget.TextView;
 
+import com.jakewharton.processphoenix.ProcessPhoenix;
+
 import java.util.ArrayList;
 import java.util.Locale;
 
@@ -153,7 +155,8 @@ protected void onPositiveClick() {
                     getActivity(), mSelectedLanguage)) {
 
                 mLogger.info("App locale changed successfully.");
-                LocalesUtils.refreshApplication(getActivity());
+                //LocalesUtils.refreshApplication(getActivity());
+                ProcessPhoenix.triggerRebirth(getActivity());
             } else {
                 mLogger.error("Unsuccessful trial to change the App locale.");
                 // TODO: notify the user that his request not placed

rosetta/src/main/java/com/ahmedjazzar/rosetta/LocalesUtils.java

@@ -10,6 +10,8 @@
 import android.support.v4.app.FragmentActivity;
 import android.util.DisplayMetrics;
 
+import com.jakewharton.processphoenix.ProcessPhoenix;
+
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashSet;
@@ -265,7 +267,8 @@ static boolean setLocale(Locale newLocale, Activity activity) {
         }
 
         if (LocalesUtils.setAppLocale(activity.getApplicationContext(), newLocale))   {
-            LocalesUtils.refreshApplication(activity);
+            //LocalesUtils.refreshApplication(activity);
+            ProcessPhoenix.triggerRebirth(activity);
             return true;
         }