kill_processes杀掉进程+启动进程

MainActivity.java

package com.kill_processes.test;

import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

import android.app.Activity;
import android.app.ActivityManager;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends Activity {
 private Button button_clear1,button_clear2,button_clear3,button_clear4,button_clear5;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        findViews();
        setListeners();
    }

    private void findViews() {
  // TODO Auto-generated method stub
        button_clear1=(Button) findViewById(R.id.button1);
        button_clear2=(Button) findViewById(R.id.button2);
        button_clear3=(Button) findViewById(R.id.button3);
        button_clear4=(Button) findViewById(R.id.button4);
        button_clear5=(Button) findViewById(R.id.button5);

 }

 private void setListeners() {
  // TODO Auto-generated method stub
   button_clear1.setOnClickListener(new OnClickListener() {   
    @Override
    public void onClick(View v) {
     // TODO Auto-generated method stub
     ActivityManager am=(ActivityManager) getSystemService(ACTIVITY_SERVICE);
     am.restartPackage("com.canmera.test");
     Toast.makeText(MainActivity.this, "restartPackage", Toast.LENGTH_SHORT).show();
    }
   });
   //方法2. killBackgroundProcesses(getPackageName()); 坏处：kill掉得Service会自动重启
   button_clear2.setOnClickListener(new OnClickListener() {   
    @Override
    public void onClick(View v) {
     // TODO Auto-generated method stub
     ActivityManager am=(ActivityManager) getSystemService(ACTIVITY_SERVICE);
     am.killBackgroundProcesses("com.canmera.test");
     Toast.makeText(MainActivity.this, "killBackgroundProcesses", Toast.LENGTH_SHORT).show();
    }
   });
   //反射调用forceStopPackage来结束进程
   button_clear3.setOnClickListener(new OnClickListener() {   
    @Override
    public void onClick(View v) {
     // TODO Auto-generated method stub
     ActivityManager am=(ActivityManager) getSystemService(ACTIVITY_SERVICE);
      try {
                Method forceStopPackage = am.getClass().getDeclaredMethod("forceStopPackage", String.class);   
                forceStopPackage.setAccessible(true);
                forceStopPackage.invoke(am, "com.canmera.test");//com.canmera.test是要结束进程的包名
            } catch (SecurityException e) {
                e.printStackTrace();
            } catch (IllegalArgumentException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (NoSuchMethodException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (IllegalAccessException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (InvocationTargetException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

      Toast.makeText(MainActivity.this, "forceStopPackage", Toast.LENGTH_SHORT).show();
      
    }
   });
   //执行Linux命令结束进程
   button_clear4.setOnClickListener(new OnClickListener() {   
   @Override
   public void onClick(View v) {
    // TODO Auto-generated method stub
    Process p;
    int status = -1;
    try {
            p = Runtime.getRuntime().exec("killall -HUP com.canmera.test");//kill -9 com.canmera.test
      status = p.waitFor(); //status 0 indicator successed
      
      Toast.makeText(MainActivity.this, "status:"+status, Toast.LENGTH_SHORT).show();
    } catch (IOException e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
    } catch (InterruptedException e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
    }
   }
  });
   
   //启动进程
   button_clear5.setOnClickListener(new OnClickListener() {   
   @Override
   public void onClick(View v) {
    // TODO Auto-generated method stub
    Process p;
    int status = -1;
    try {
            p = Runtime.getRuntime().exec("am start -n com.canmera.test/com.canmera.test.MainActivity");
      status = p.waitFor(); //status 0 indicator successed
      
      Toast.makeText(MainActivity.this, "status:"+status, Toast.LENGTH_SHORT).show();
    } catch (IOException e) {
     // TODO Auto-generated catch block
     e.printStackTrace(); 
    } catch (InterruptedException e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
    }
   }
  });
 }

 @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }
}

 

manifest.xml:

    <uses-permission android:name="android.permission.RESTART_PACKAGES"/><!-- 关闭其他应用 -->
    <uses-permission android:name="android.permission.KILL_BACKGROUND_PROCESSES"/><!-- 关闭其他应用 -->
    <uses-permission android:name="android.permission.FORCE_STOP_PACKAGES"/><!-- 强行关闭其他应用 -->