├── AndroidManifest.xml
├── ic_launcher-web.png
├── libs
    └── android-support-v4.jar
├── proguard-project.txt
├── project.properties
├── res
    ├── drawable-hdpi
    │   └── ic_launcher.png
    ├── drawable-mdpi
    │   └── ic_launcher.png
    ├── drawable-xhdpi
    │   └── ic_launcher.png
    ├── drawable-xxhdpi
    │   └── ic_launcher.png
    ├── layout
    │   ├── activity_main.xml
    │   ├── activity_second.xml
    │   └── dialog_select_lanuage.xml
    ├── values-en
    │   └── strings.xml
    ├── values-zh
    │   └── strings.xml
    └── values
    │   ├── dimens.xml
    │   └── styles.xml
└── src
    └── com
        └── jit
            └── language
                ├── BaseActivity.java
                ├── MainActivity.java
                ├── PreferenceUtil.java
                └── SecondActivity.java


/AndroidManifest.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     package="com.jit.language"
 4 |     android:versionCode="1"
 5 |     android:versionName="1.0" >
 6 | 
 7 |     <uses-sdk
 8 |         android:minSdkVersion="8"
 9 |         android:targetSdkVersion="18" />
10 | 
11 |     <application
12 |         android:allowBackup="true"
13 |         android:icon="@drawable/ic_launcher"
14 |         android:label="@string/app_name"
15 |         android:theme="@style/AppTheme" >
16 |         <activity
17 |             android:name="com.jit.language.MainActivity"
18 |             android:label="@string/app_name" >
19 |             <intent-filter>
20 |                 <action android:name="android.intent.action.MAIN" />
21 | 
22 |                 <category android:name="android.intent.category.LAUNCHER" />
23 |             </intent-filter>
24 |         </activity>
25 |         <activity android:name="com.jit.language.SecondActivity" />
26 |     </application>
27 | 
28 | </manifest>


--------------------------------------------------------------------------------
/ic_launcher-web.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/JackCho/SwitchLanguageDemo/7e6ae9291088310877e5a56b3c75bff55b2913af/ic_launcher-web.png


--------------------------------------------------------------------------------
/libs/android-support-v4.jar:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/JackCho/SwitchLanguageDemo/7e6ae9291088310877e5a56b3c75bff55b2913af/libs/android-support-v4.jar


--------------------------------------------------------------------------------
/proguard-project.txt:
--------------------------------------------------------------------------------
 1 | # To enable ProGuard in your project, edit project.properties
 2 | # to define the proguard.config property as described in that file.
 3 | #
 4 | # Add project specific ProGuard rules here.
 5 | # By default, the flags in this file are appended to flags specified
 6 | # in ${sdk.dir}/tools/proguard/proguard-android.txt
 7 | # You can edit the include path and order by changing the ProGuard
 8 | # include property in project.properties.
 9 | #
10 | # For more details, see
11 | #   http://developer.android.com/guide/developing/tools/proguard.html
12 | 
13 | # Add any project specific keep options here:
14 | 
15 | # If your project uses WebView with JS, uncomment the following
16 | # and specify the fully qualified class name to the JavaScript interface
17 | # class:
18 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
19 | #   public *;
20 | #}
21 | 


--------------------------------------------------------------------------------
/project.properties:
--------------------------------------------------------------------------------
 1 | # This file is automatically generated by Android Tools.
 2 | # Do not modify this file -- YOUR CHANGES WILL BE ERASED!
 3 | #
 4 | # This file must be checked in Version Control Systems.
 5 | #
 6 | # To customize properties used by the Ant build system edit
 7 | # "ant.properties", and override values to adapt the script to your
 8 | # project structure.
 9 | #
10 | # To enable ProGuard to shrink and obfuscate your code, uncomment this (available properties: sdk.dir, user.home):
11 | #proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt
12 | 
13 | # Project target.
14 | target=android-19
15 | 


--------------------------------------------------------------------------------
/res/drawable-hdpi/ic_launcher.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/JackCho/SwitchLanguageDemo/7e6ae9291088310877e5a56b3c75bff55b2913af/res/drawable-hdpi/ic_launcher.png


--------------------------------------------------------------------------------
/res/drawable-mdpi/ic_launcher.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/JackCho/SwitchLanguageDemo/7e6ae9291088310877e5a56b3c75bff55b2913af/res/drawable-mdpi/ic_launcher.png


--------------------------------------------------------------------------------
/res/drawable-xhdpi/ic_launcher.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/JackCho/SwitchLanguageDemo/7e6ae9291088310877e5a56b3c75bff55b2913af/res/drawable-xhdpi/ic_launcher.png


--------------------------------------------------------------------------------
/res/drawable-xxhdpi/ic_launcher.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/JackCho/SwitchLanguageDemo/7e6ae9291088310877e5a56b3c75bff55b2913af/res/drawable-xxhdpi/ic_launcher.png


--------------------------------------------------------------------------------
/res/layout/activity_main.xml:
--------------------------------------------------------------------------------
 1 | <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2 |     xmlns:tools="http://schemas.android.com/tools"
 3 |     android:layout_width="match_parent"
 4 |     android:layout_height="match_parent"
 5 |     android:paddingBottom="@dimen/activity_vertical_margin"
 6 |     android:paddingLeft="@dimen/activity_horizontal_margin"
 7 |     android:paddingRight="@dimen/activity_horizontal_margin"
 8 |     android:paddingTop="@dimen/activity_vertical_margin"
 9 |     tools:context=".MainActivity" >
10 | 
11 |     <TextView
12 |         android:id="@+id/text"
13 |         android:layout_width="wrap_content"
14 |         android:layout_height="wrap_content"
15 |         android:layout_centerHorizontal="true"
16 |         android:text="@string/hello_world" />
17 | 
18 |     <Button
19 |         android:id="@+id/btn"
20 |         android:layout_width="wrap_content"
21 |         android:layout_height="wrap_content"
22 |         android:layout_below="@+id/text"
23 |         android:layout_centerHorizontal="true"
24 |         android:layout_marginTop="15dp"
25 |         android:text="@string/switch_language" />
26 | 
27 |     <Button
28 |         android:id="@+id/btn_2"
29 |         android:layout_width="wrap_content"
30 |         android:layout_height="wrap_content"
31 |         android:layout_below="@+id/btn"
32 |         android:layout_centerHorizontal="true"
33 |         android:layout_marginTop="15dp"
34 |         android:text="@string/jump" />
35 | 
36 | </RelativeLayout>


--------------------------------------------------------------------------------
/res/layout/activity_second.xml:
--------------------------------------------------------------------------------
 1 | <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2 |     xmlns:tools="http://schemas.android.com/tools"
 3 |     android:layout_width="match_parent"
 4 |     android:layout_height="match_parent"
 5 |     android:paddingBottom="@dimen/activity_vertical_margin"
 6 |     android:paddingLeft="@dimen/activity_horizontal_margin"
 7 |     android:paddingRight="@dimen/activity_horizontal_margin"
 8 |     android:paddingTop="@dimen/activity_vertical_margin"
 9 |     tools:context=".MainActivity" >
10 | 
11 |     <TextView
12 |         android:layout_width="wrap_content"
13 |         android:layout_height="wrap_content"
14 |         android:layout_centerHorizontal="true"
15 |         android:text="@string/hello_world" />
16 | 
17 | </RelativeLayout>


--------------------------------------------------------------------------------
/res/layout/dialog_select_lanuage.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     android:layout_width="match_parent"
 4 |     android:layout_height="match_parent"
 5 |     android:background="#151515" >
 6 | 
 7 |     <TextView
 8 |         android:id="@+id/clear_cache_title"
 9 |         android:layout_width="match_parent"
10 |         android:layout_height="wrap_content"
11 |         android:padding="15dp"
12 |         android:text="@string/switch_language"
13 |         android:textColor="#36a315"
14 |         android:textSize="18sp" />
15 | 
16 |     <TextView
17 |         android:id="@+id/clear_cache_line"
18 |         android:layout_width="match_parent"
19 |         android:layout_height="2dp"
20 |         android:layout_below="@+id/clear_cache_title"
21 |         android:background="#36a315" />
22 | 
23 |     <TextView
24 |         android:id="@+id/select_english"
25 |         android:layout_width="match_parent"
26 |         android:layout_height="wrap_content"
27 |         android:layout_below="@+id/clear_cache_line"
28 |         android:padding="15dp"
29 |         android:text="@string/english"
30 |         android:textColor="@android:color/white"
31 |         android:textSize="16sp"
32 |         android:textStyle="bold" />
33 | 
34 |     <TextView
35 |         android:id="@+id/clear_cache_line_1"
36 |         android:layout_width="match_parent"
37 |         android:layout_height="2dp"
38 |         android:layout_below="@+id/select_english"
39 |         android:background="#121212" />
40 | 
41 |     <TextView
42 |         android:id="@+id/select_chinese"
43 |         android:layout_width="match_parent"
44 |         android:layout_height="wrap_content"
45 |         android:layout_below="@+id/clear_cache_line_1"
46 |         android:padding="15dp"
47 |         android:text="@string/chinese"
48 |         android:textColor="@android:color/white"
49 |         android:textSize="16sp"
50 |         android:textStyle="bold" />
51 | 
52 | </RelativeLayout>


--------------------------------------------------------------------------------
/res/values-en/strings.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <resources>
 3 | 
 4 |     <string name="app_name">SwitchLanguageDemo</string>
 5 |     <string name="hello_world">Hello buddy!Welcome to Android\'s skill share</string>
 6 |     <string name="switch_language">Switch Language</string>
 7 | 	<string name="english">English</string>
 8 | 	<string name="chinese">Chinese</string>
 9 | 	<string name="jump">Jump to Next Activity</string>
10 | </resources>
11 | 


--------------------------------------------------------------------------------
/res/values-zh/strings.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <resources>
 3 | 
 4 |     <string name="app_name">切换语言demo</string>
 5 |     <string name="hello_world">你好，少年！欢迎收听android干货分享</string>
 6 |     <string name="switch_language">切换语言</string>
 7 |     <string name="english">英语</string>
 8 |     <string name="chinese">中文</string>
 9 |     <string name="jump">跳转到另一个页面</string>
10 | 
11 | </resources>


--------------------------------------------------------------------------------
/res/values/dimens.xml:
--------------------------------------------------------------------------------
1 | <resources>
2 | 
3 |     <!-- Default screen margins, per the Android Design guidelines. -->
4 |     <dimen name="activity_horizontal_margin">16dp</dimen>
5 |     <dimen name="activity_vertical_margin">16dp</dimen>
6 | 
7 | </resources>
8 | 


--------------------------------------------------------------------------------
/res/values/styles.xml:
--------------------------------------------------------------------------------
 1 | <resources>
 2 | 
 3 |     <!--
 4 |         Base application theme, dependent on API level. This theme is replaced
 5 |         by AppBaseTheme from res/values-vXX/styles.xml on newer devices.
 6 |     -->
 7 |     <style name="AppBaseTheme" parent="android:Theme.Light">
 8 |         <!--
 9 |             Theme customizations available in newer API levels can go in
10 |             res/values-vXX/styles.xml, while customizations related to
11 |             backward-compatibility can go here.
12 |         -->
13 |     </style>
14 | 
15 |     <!-- Application theme. -->
16 |     <style name="AppTheme" parent="AppBaseTheme">
17 |         <!-- All customizations that are NOT specific to a particular API-level can go here. -->
18 |     </style>
19 |      <style name="Custom_Dialog_Theme" parent="@android:style/Theme.Dialog">
20 |         <item name="android:windowFrame">@null</item>
21 |         <item name="android:windowIsFloating">true</item>
22 |         <item name="android:windowNoTitle">true</item> <!-- 隐藏标题栏 -->
23 |     </style>
24 | 
25 | </resources>
26 | 


--------------------------------------------------------------------------------
/src/com/jit/language/BaseActivity.java:
--------------------------------------------------------------------------------
 1 | package com.jit.language;
 2 | 
 3 | import java.util.Locale;
 4 | import android.app.Activity;
 5 | import android.content.res.Configuration;
 6 | import android.content.res.Resources;
 7 | import android.os.Bundle;
 8 | import android.util.DisplayMetrics;
 9 | 
10 | public class BaseActivity extends Activity {
11 | 	
12 | 	@Override
13 | 	protected void onCreate(Bundle savedInstanceState) {
14 | 		super.onCreate(savedInstanceState);
15 | 		//初始化PreferenceUtil
16 | 		PreferenceUtil.init(this);
17 | 		//根据上次的语言设置，重新设置语言
18 | 	    switchLanguage(PreferenceUtil.getString("language", "zh"));
19 | 	}
20 | 	
21 | 	
22 | 	protected void switchLanguage(String language) {
23 | 		//设置应用语言类型
24 | 		Resources resources = getResources();
25 |         Configuration config = resources.getConfiguration();
26 |         DisplayMetrics dm = resources.getDisplayMetrics();
27 |        if (language.equals("en")) {
28 |             config.locale = Locale.ENGLISH;
29 |         } else {
30 |         	 config.locale = Locale.SIMPLIFIED_CHINESE;
31 |         }
32 |         resources.updateConfiguration(config, dm);
33 |         
34 |         //保存设置语言的类型
35 |         PreferenceUtil.commitString("language", language);
36 |     }
37 | }
38 | 


--------------------------------------------------------------------------------
/src/com/jit/language/MainActivity.java:
--------------------------------------------------------------------------------
 1 | package com.jit.language;
 2 | 
 3 | import android.app.Dialog;
 4 | import android.content.Intent;
 5 | import android.os.Bundle;
 6 | import android.view.LayoutInflater;
 7 | import android.view.View;
 8 | import android.view.View.OnClickListener;
 9 | import android.widget.Button;
10 | import android.widget.TextView;
11 | 
12 | public class MainActivity extends BaseActivity implements OnClickListener{
13 | 
14 | 	private Dialog mDialog;
15 | 	
16 | 	@Override
17 | 	protected void onCreate(Bundle savedInstanceState) {
18 | 		super.onCreate(savedInstanceState);
19 | 		setContentView(R.layout.activity_main);
20 | 		
21 | 		TextView textView = (TextView) findViewById(R.id.text);
22 | 		Button button = (Button) findViewById(R.id.btn);
23 | 		Button button2 = (Button) findViewById(R.id.btn_2);
24 | 		textView.setText(R.string.hello_world);
25 | 		button.setText(R.string.switch_language);
26 | 		
27 | 		button.setOnClickListener(new OnClickListener() {
28 | 			
29 | 			@Override
30 | 			public void onClick(View v) {
31 | 				if (mDialog == null) {
32 | 					LayoutInflater inflater = getLayoutInflater();
33 | 					View layout = inflater.inflate(R.layout.dialog_select_lanuage,null);
34 | 					TextView english = (TextView) layout.findViewById(R.id.select_english);
35 | 					TextView chinese = (TextView) layout.findViewById(R.id.select_chinese);
36 | 					mDialog = new Dialog(MainActivity.this, R.style.Custom_Dialog_Theme);
37 | 					mDialog.setCanceledOnTouchOutside(false);
38 | 					english.setOnClickListener(MainActivity.this);
39 | 					chinese.setOnClickListener(MainActivity.this);
40 | 					mDialog.setContentView(layout);
41 | 				}
42 | 				mDialog.show();
43 | 			}
44 | 		});
45 | 		
46 | 		button2.setOnClickListener(new OnClickListener() {
47 | 			
48 | 			@Override
49 | 			public void onClick(View v) {
50 | 				Intent it = new Intent(MainActivity.this, SecondActivity.class);
51 | 			    startActivity(it);
52 | 			}
53 | 		});
54 | 	}
55 | 
56 | 	@Override
57 | 	public void onClick(View v) {
58 | 		mDialog.dismiss();	
59 | 		switch (v.getId()) {
60 | 			case R.id.select_english:
61 | 				switchLanguage("en");
62 | 				break;
63 | 			case R.id.select_chinese:
64 | 				switchLanguage("zh");
65 | 				break;
66 | 	
67 | 			default:
68 | 				break;
69 | 		}
70 | 		//更新语言后，destroy当前页面，重新绘制
71 | 		finish();
72 | 		Intent it = new Intent(MainActivity.this, MainActivity.class);
73 | 	    startActivity(it);
74 | 	}
75 | 
76 | }
77 | 


--------------------------------------------------------------------------------
/src/com/jit/language/PreferenceUtil.java:
--------------------------------------------------------------------------------
 1 | package com.jit.language;
 2 | 
 3 | import android.content.Context;
 4 | import android.content.SharedPreferences;
 5 | import android.content.SharedPreferences.Editor;
 6 | 
 7 | /**
 8 |  * Description：SharedPreferences的管理类
 9 |  *
10 |  */
11 | public class PreferenceUtil {
12 | 
13 |     private static SharedPreferences mSharedPreferences = null;
14 |     private static Editor mEditor = null;
15 |     
16 |     public static void init(Context context){
17 |     	if (null == mSharedPreferences) {
18 |     		mSharedPreferences = android.preference.PreferenceManager.getDefaultSharedPreferences(context) ;
19 |     	}
20 |     }
21 |     
22 |     public static void removeKey(String key){
23 |         mEditor = mSharedPreferences.edit();
24 |         mEditor.remove(key);
25 |         mEditor.commit();
26 |     }
27 |     
28 |     public static void removeAll(){
29 |         mEditor = mSharedPreferences.edit();
30 |         mEditor.clear();
31 |         mEditor.commit();
32 |     }
33 | 
34 |     public static void commitString(String key, String value){
35 |         mEditor = mSharedPreferences.edit();
36 |         mEditor.putString(key, value);
37 |         mEditor.commit();
38 |     }
39 |     
40 |     public static String getString(String key, String faillValue){
41 |         return mSharedPreferences.getString(key, faillValue);
42 |     }
43 |     
44 |     public static void commitInt(String key, int value){
45 |         mEditor = mSharedPreferences.edit();
46 |         mEditor.putInt(key, value);
47 |         mEditor.commit();
48 |     }
49 |     
50 |     public static int getInt(String key, int failValue){
51 |         return mSharedPreferences.getInt(key, failValue);
52 |     }
53 |     
54 |     public static void commitLong(String key, long value){
55 |         mEditor = mSharedPreferences.edit();
56 |         mEditor.putLong(key, value);
57 |         mEditor.commit();
58 |     }
59 |     
60 |     public static long getLong(String key, long failValue) {
61 |         return mSharedPreferences.getLong(key, failValue);
62 |     }
63 |     
64 |     public static void commitBoolean(String key, boolean value){
65 |         mEditor = mSharedPreferences.edit();
66 |         mEditor.putBoolean(key, value);
67 |         mEditor.commit();
68 |     }
69 |     
70 |     public static Boolean getBoolean(String key, boolean failValue){
71 |         return mSharedPreferences.getBoolean(key, failValue);
72 |     }
73 | }
74 | 


--------------------------------------------------------------------------------
/src/com/jit/language/SecondActivity.java:
--------------------------------------------------------------------------------
 1 | package com.jit.language;
 2 | 
 3 | import android.app.Activity;
 4 | import android.os.Bundle;
 5 | 
 6 | public class SecondActivity extends Activity {
 7 | 
 8 | 	@Override
 9 | 	protected void onCreate(Bundle savedInstanceState) {
10 | 		super.onCreate(savedInstanceState);
11 | 		setContentView(R.layout.activity_second);
12 | 	}
13 | }
14 | 


--------------------------------------------------------------------------------