如何检测，而另一个进程按任何按钮运行和检测回采后运行的进程

Question

1. 我有2个按钮
2. 当我以10秒单击后退按钮我正在延缓退出
3. 如果当中的2个任意按钮按下按钮，然后我想停止应用程序退出。
4. 如果未检测到任何按钮，请继续退出。

公共类MainActivity扩展活动{

int count=0; 
boolean pressed; 
Button b1,b2; 
TextView t1; 
Thread t; 
@Override 
public void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_main); 
    b1= (Button) findViewById(R.id.button1); 
    b2= (Button) findViewById(R.id.button2); 
    t1 = (TextView) findViewById(R.id.textView2); 

    b1.setOnClickListener(new OnClickListener() { 

     @Override 
     public void onClick(View arg0) { 

      pressed=true; 
      t1.setText("Button1 Pressed"); 
      System.out.println("Button1"); 


     } 
    }); 
    b2.setOnClickListener(new OnClickListener() { 

     @Override 
     public void onClick(View arg0) { 

      pressed=true; 
      t1.setText("Button2 Pressed"); 
      System.out.println("Button2"); 


     } 
    }); 
} 
/* (non-Javadoc) 
* @see android.app.Activity#onBackPressed() 
*/ 
@SuppressLint("ParserError") 
@Override 
public void onBackPressed() { 
    System.out.println("Inside Back Button"); 
    pressed=false; 
    t = new Thread(new ABC(), "My Thread"); 

    t.start(); 
    System.out.println("OutSide while Loop in BACKBUTTON"); 
    if(pressed==true){ 
     System.out.println("Button 1 or 2 Pressed"); 
     t.interrupt(); 
     System.out.println("Stopping Thread forcefully"); 

     count =0; 
    } 
    if(pressed==false){ 
     System.out.println("Button 1 or 2 NOT Pressed"); 
     t.stop(); 
     super.onBackPressed(); 
    } 
} 


public class ABC implements Runnable{ 



    @Override 
    public void run() { 
     System.out.println("Inside Thread"); 
     do{ 
      count++; 
      System.out.println(count); 

     } 
     while((count <1000) && (pressed==false)); 
     System.out.println("OutSide while Loop"); 

    } 

} 

}

Answer 1

使用Handler是这里的最佳解决方案。当按回车键添加可运行通过handler.postDelayed(yourRunnableThatCallsFinish, 10000)调用Activity.finish()的可运行。请务必在按钮的onClick事件中调用handler.removeCallbacks(SameRunnableObjectThatSendToQueueViaPostDelayed)以防止执行该可运行。