如何xamarin.android使用它（TimeTask）（Java到C＃）

Question

Timer timer = new Timer(); 
timer.schedule(new TimerTask() 
{ 
    public void run() 
    { 
     InputMethodManager inputManager =(InputMethodManager)editText.getContext().getSystemService(Context.INPUT_METHOD_SERVICE); 
     inputManager.showSoftInput(editText, 0); 
    } 
}, 998); 

這是java的 ** 我不想耽誤鍵盤彈出**

Answer 1

public class MyActivity: IRunnable{ 
    Android.OS.Handler _handler; 

    protected void MethodXY(){ 
     _handler = new Android.OS.Handler(); 
     _handler.PostDelayed(this, 998); 
    } 

    public void Run() 
    { 
     _handler.RemoveCallbacks(this); 
     InputMethodManager inputManager =(InputMethodManager)editText.getContext().getSystemService(Context.INPUT_METHOD_SERVICE); 
    inputManager.showSoftInput(editText, 0); 
    } 
} 

替代:(例如，您在活動中使用多個處理程序）

public class MyActivity: IRunnable{ 

    protected void MethodXY(){ 
     Android.OS.Handler handler = new Android.OS.Handler(); 
     handler.PostDelayed(new DelayedKeyboardRunnable(handler, editText), 998); 
    } 

    private class DelayedKeyboardRunnable: Java.Lang.Object, IRunnable 
    { 
      EditText _et; 
      Android.OS.Handler _handler; 

      public DelayedKeyboardRunnable(Android.OS.Handler handler, EditText et) 
      { 
       _handler = handler; 
       _et = et; 
      } 

      public void Run() 
      { 
       _handler.RemoveCallbacks(this); 
       InputMethodManager inputManager = (InputMethodManager)_et.getContext().getSystemService(Context.INPUT_METHOD_SERVICE); 
       inputManager.showSoftInput(_et, 0); 
      } 
    } 
}