Initial commit

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.externalNativeBuild

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion Integer.parseInt(project.COMPILE_SDK_VERSION)
+    buildToolsVersion project.BUILD_TOOLS_VERSION
+    defaultConfig {
+        applicationId "captain_miao.github.com.multilanguagesswitch"
+        minSdkVersion project.MIN_SDK_VERSION
+        targetSdkVersion project.TARGET_SDK_VERSION
+        versionCode Integer.parseInt(project.VERSION_CODE)
+        versionName project.VERSION_NAME
+
+        resConfigs "en", "zh-rCN", "zh-rTW", "de", "fr", "hi", "it"
+    }
+    buildTypes {
+        release {
+            minifyEnabled true
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    def android_support_version = project.ANDROID_SUPPORT_VERSION
+
+    compile "com.android.support:appcompat-v7:$android_support_version"
+    compile "com.android.support:support-v4:$android_support_version"
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /Users/captain_miao/Library/Android/sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest package="captain_miao.github.com.multilanguagesswitch"
+          xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <application
+        android:name=".App"
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity
+            android:name=".HomeActivity"
+            android:label="@string/app_name">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+        <activity
+            android:name=".LanguagesActivity"
+            android:label="@string/app_name"/>
+    </application>
+
+</manifest>

app/src/main/java/captain_miao/github/com/multilanguagesswitch/App.java

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+package captain_miao.github.com.multilanguagesswitch;
+
+import android.app.Application;
+import android.content.Context;
+import android.content.res.Configuration;
+import android.preference.PreferenceManager;
+
+import captain_miao.github.com.multilanguagesswitch.constants.ConstantLanguages;
+import captain_miao.github.com.multilanguagesswitch.utils.AppLanguageUtils;
+
+/**
+ * @author YanLu
+ * @since 17/5/12
+ */
+
+public class App extends Application {
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        onLanguageChange();
+    }
+
+//    @Override
+//    protected void attachBaseContext(Context base) {
+//        super.attachBaseContext(AppLanguageUtils.attachBaseContext(base, getAppLanguage(base)));
+//    }
+
+    /**
+     * Handling Configuration Changes
+     * @param newConfig newConfig
+     */
+    @Override
+    public void onConfigurationChanged(Configuration newConfig) {
+        super.onConfigurationChanged(newConfig);
+        onLanguageChange();
+    }
+
+    private void onLanguageChange() {
+        AppLanguageUtils.changeAppLanguage(this, AppLanguageUtils.getSupportLanguage(getAppLanguage(this)));
+    }
+
+    private String getAppLanguage(Context context) {
+        return PreferenceManager.getDefaultSharedPreferences(context)
+                        .getString(context.getString(R.string.app_language_pref_key), ConstantLanguages.ENGLISH);
+    }
+}

app/src/main/java/captain_miao/github/com/multilanguagesswitch/HomeActivity.java

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+package captain_miao.github.com.multilanguagesswitch;
+
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+import android.widget.CheckBox;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+public class HomeActivity extends AppCompatActivity implements View.OnClickListener {
+    private static final int CHANGE_LANGUAGE_REQUEST_CODE = 1;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.act_other);
+        ActionBar actionBar = getSupportActionBar();
+
+        if(actionBar != null) {
+            actionBar.setTitle(R.string.pref_setting_customize);
+        }
+
+        LinearLayout linearLayout = (LinearLayout) findViewById(R.id.container);
+
+        TextView textView1 = (TextView) findViewById(R.id.tv_content1);
+        textView1.setText(R.string.pref_setting_customize);
+        textView1.setOnClickListener(this);
+
+        TextView textView2 = (TextView) findViewById(R.id.tv_content2);
+        textView2.setText(getString(R.string.pref_setting_customize));
+        textView2.setOnClickListener(this);
+
+        TextView textView3 = (TextView) findViewById(R.id.tv_content3);
+        textView3.setText(getApplication().getString(R.string.pref_setting_customize));
+        textView3.setOnClickListener(this);
+
+        CheckBox checkBox = (CheckBox) findViewById(R.id.cb_content4);
+        checkBox.setText(getApplication().getString(R.string.pref_setting_customize));
+        checkBox.setOnClickListener(this);
+
+        TextView textView4 = new TextView(this) ;
+        textView4.setText(textView4.getContext().getString(R.string.pref_setting_customize));
+        textView4.setOnClickListener(this);
+
+        linearLayout.addView(textView4);
+    }
+
+//    @Override
+//    protected void attachBaseContext(Context newBase) {
+//        super.attachBaseContext(AppLanguageUtils.attachBaseContext(newBase, newBase.getString(R.string.app_language_pref_key)));
+//    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        if(requestCode == CHANGE_LANGUAGE_REQUEST_CODE) {
+            recreate();
+        }
+    }
+
+    @Override
+    public void onClick(View v) {
+        startActivityForResult(new Intent(HomeActivity.this, LanguagesActivity.class), CHANGE_LANGUAGE_REQUEST_CODE);
+    }
+}

app/src/main/java/captain_miao/github/com/multilanguagesswitch/LanguagesActivity.java

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+package captain_miao.github.com.multilanguagesswitch;
+
+
+import android.app.FragmentTransaction;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.preference.ListPreference;
+import android.preference.PreferenceFragment;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
+import android.text.TextUtils;
+import android.view.MenuItem;
+
+import captain_miao.github.com.multilanguagesswitch.utils.AppLanguageUtils;
+
+public class LanguagesActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.act_languages);
+        ActionBar actionBar = getSupportActionBar();
+
+        if(actionBar != null) {
+            actionBar.setTitle(R.string.pref_setting_customize);
+            actionBar.setDisplayHomeAsUpEnabled(true);
+            actionBar.setDisplayShowHomeEnabled(true);
+        }
+
+        if(savedInstanceState == null) {
+            FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
+            fragmentTransaction.replace(R.id.fragment_container, new LanguagesPreferenceFragment()).commitAllowingStateLoss();
+        }
+    }
+
+    @Override
+    protected void attachBaseContext(Context newBase) {
+        super.attachBaseContext(AppLanguageUtils.attachBaseContext(newBase, newBase.getString(R.string.app_language_pref_key)));
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        if (item.getItemId() == android.R.id.home) {
+            finish();
+            return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
+    public static class LanguagesPreferenceFragment extends PreferenceFragment {
+        @Override
+        public void onCreate(Bundle savedInstanceState) {
+            super.onCreate(savedInstanceState);
+            addPreferencesFromResource(R.xml.languages_preference);
+
+            ListPreference preference = (ListPreference) findPreference(getString(R.string.app_language_pref_key));
+            preference.setSummary(preference.getEntry());
+
+            SharedPreferences prefs = getPreferenceManager().getSharedPreferences();
+            prefs.registerOnSharedPreferenceChangeListener(mPreferenceChangeListener);
+        }
+
+
+
+
+        @Override
+        public void onDestroy() {
+            super.onDestroy();
+
+            getPreferenceManager().getSharedPreferences()
+                    .unregisterOnSharedPreferenceChangeListener(mPreferenceChangeListener);
+        }
+
+
+        private final SharedPreferences.OnSharedPreferenceChangeListener mPreferenceChangeListener = new SharedPreferences.OnSharedPreferenceChangeListener() {
+            @Override
+            public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
+                if (getString(R.string.app_language_pref_key).equals(key)) {
+                    ListPreference preference = (ListPreference) findPreference(key);
+                    preference.setSummary(preference.getEntry());
+                    CharSequence language = preference.getValue();
+                    if (!TextUtils.isEmpty(language)) {
+                        onChangeAppLanguage(language.toString());
+                    }
+                }
+            }
+        };
+
+        private void onChangeAppLanguage(String newLanguage) {
+            AppLanguageUtils.changeAppLanguage(getActivity(), newLanguage);
+            getActivity().recreate();
+        }
+    }
+}

app/src/main/java/captain_miao/github/com/multilanguagesswitch/constants/ConstantLanguages.java

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+package captain_miao.github.com.multilanguagesswitch.constants;
+
+/**
+ * @author YanLu
+ * @since 17/1/12
+ */
+
+public class ConstantLanguages {
+    // 简体中文
+    public static final String SIMPLIFIED_CHINESE = "zh";
+    // 英文
+    public static final String ENGLISH = "en";
+    // 繁体中文
+    public static final String TRADITIONAL_CHINESE = "zh-hant";
+    // 法语
+    public static final String FRANCE = "fr";
+    // 德语
+    public static final String GERMAN = "de";
+    // 印地语
+    public static final String HINDI = "hi";
+    // 意大利语
+    public static final String ITALIAN = "it";
+}