訪問查看從定時器或處理器

Question

應用程序崩潰，我無法使用了同樣的觀點在Timer類

我需要的應用程序刷新值，通常在這種情況下顯示出來

Timer t = new Timer(); 
//Set the schedule function and rate 
    t.scheduleAtFixedRate(new TimerTask() { 

           @Override 
           public void run() { 
            //Called each time when 1000 milliseconds (1 second) (the period parameter) 
            find(v); 
           } 

          }, 
//Set how long before to start calling the TimerTask (in milliseconds) 
      0, 
//Set the amount of time between each execution (in milliseconds) 
      10000); 

public void find(View view) { 
    if (btAdapter.isDiscovering()) { 
     //the button is pressed when it discovers, so cancel the discovery 
     btAdapter.cancelDiscovery(); 
    } else { 
     BTArrayAdapter.clear(); 
     btAdapter.startDiscovery(); 

     registerReceiver(bReceiver, new IntentFilter(BluetoothDevice.ACTION_FOUND)); 
    } 
} 

Answer 1

你需要使用Activity.runOnUiThread（）

Timer t = new Timer(); 
//Set the schedule function and rate 
    t.scheduleAtFixedRate(new TimerTask() { 

          @Override 
          public void run() { 
          //Called each time when 1000 milliseconds (1 second) (the period parameter) 
           runOnUiThread(new Runnable() { 

            public void run() {find(v);} 
          }); 
          } 

         }, 
//Set how long before to start calling the TimerTask (in milliseconds) 
      0, 
//Set the amount of time between each execution (in milliseconds) 
      10000);