android多语言切换

string.xml英文
<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string name="TextView1">ONE</string>
    <string name="TextView2">TWO</string>
</resources>

string.xml中文
<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string name="TextView1">第一个</string>
    <string name="TextView2">第二个</string>
</resources>
</span>

MainActivity.xml

package com.sec.lifeactivity;
import java.util.Locale;
import android.os.Bundle;
import android.widget.TextView;
import android.app.Activity;
import android.content.res.Configuration;

public class MainActivity extends Activity {
    TextView textView1;
    TextView textView2;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);// 总是先调用上级类方法
        setContentView(R.layout.activity_main);
        //默认英文
        textView2 = (TextView) findViewById(R.id.textView2);
        textView2.setText(R.string.TextView2);
        Configuration configuration = getResources().getConfiguration();// 获取系统的配置
        configuration.locale = Locale.CHINA;
        getResources().updateConfiguration(configuration,
                getResources().getDisplayMetrics());
        textView1 = (TextView) findViewById(R.id.textView1);
        textView1.setText(R.string.TextView1);
      
    }
}