完退出Android应用程序例子

package com.harlan; import android.app.Activity; import android.app.ActivityManager; import android.content.Context; import android.os.Bundle; import android.view.View; import android.widget.Button; public class Activity2 extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.test); Button btn=(Button) findViewById(R.id.button1); btn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { //final ActivityManager am = (ActivityManager)getSystemService(Context.ACTIVITY_SERVICE); //am.restartPackage(getPackageName()); //android.os.Process.killProcess(android.os.Process.myPid()); //System.exit(0); //ActivityManager activityManager=(ActivityManager) getSystemService(Context.ACTIVITY_SERVICE); //activityManager.restartPackage("package com.harlan"); finish(); } }); } @Override protected void onDestroy() { // TODO Auto-generated method stub super.onDestroy(); System.runFinalizersOnExit(true); System.exit(0); } }