Android语言切换

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首先在项目的res目录下新建Android XML File，Resource Type选择为Values,File的名字命名要统一这里我命名为strings.xml(一般默认新建的项目都是这个)

之后next,在左边选择Language，点击后选择语言。

之后就是代码了首先是AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.lang.core"    android:versionCode="1"    android:versionName="1.0" >    <uses-sdk        android:minSdkVersion="7"        android:targetSdkVersion="15" />    <supports-screens        android:anyDensity="true"        android:largeScreens="true"        android:normalScreens="true"        android:smallScreens="true" />    <application        android:allowBackup="true"        android:configChanges="locale"        android:icon="@drawable/ic_launcher"        android:label="@string/app_name"        android:theme="@style/AppTheme" >        <activity            android:name="com.lang.core.ChangeActivity"            android:label="@string/app_name" >            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>    </application></manifest>

主要是这句声明 android:configChanges="locale"

接着是ChangeActivity

package com.lang.core;import java.util.Locale;import android.app.Activity;import android.content.Intent;import android.content.res.Configuration;import android.content.res.Resources;import android.os.Bundle;import android.util.DisplayMetrics;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;public class ChangeActivity extends Activity {private Button btn1, btn2;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_change);btn1 = (Button) findViewById(R.id.button1);btn2 = (Button) findViewById(R.id.button2);btn1.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {switchLanguage(Locale.CHINA);refresh();}});btn2.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {switchLanguage(Locale.ENGLISH);refresh();}});}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.activity_change, menu);return true;}private void refresh() {finish();Intent myIntent = new Intent(ChangeActivity.this, ChangeActivity.class);startActivity(myIntent);}public void switchLanguage(Locale locale) {Resources resources = getBaseContext().getResources();Locale.setDefault(locale);Configuration config = resources.getConfiguration();DisplayMetrics dm = resources.getDisplayMetrics();config.locale = locale;resources.updateConfiguration(config, dm);}}

主要在于switchLanguage这个方法，设置语言后要重启下Activity，这样才能生效。

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