2015-04-02 61 views
1

我正在使用来电显示应用程序,我在窗口管理器视图中显示拨号/接收号码的信息。用户可以手动关闭视图。一切都很顺利,直到我通过呼叫等待服务进行测试。即使在单击关闭按钮并显示错误“查看未连接到窗口管理器”之后,呼叫等待视图仍保留在屏幕上。 我正在做所有这些服务的东西。如何从Android的窗口管理器中删除多个视图?

我的问题是,如果有任何方法可以删除多个意见,只需点击一下。 或者我可以跟踪附加到窗口管理器的视图吗?

这里是我的代码

linearLayout = new LinearLayout(this); 
    linearLayout.addView(textHeaderName); 
    linearLayout.addView(textheader); 
    linearLayout.addView(chatHead); 
    linearLayout.addView(textfooter); 
    linearLayout.setOrientation(LinearLayout.VERTICAL); 

    btnClose.setImageResource(R.drawable.button_close); 
    btnClose.setLeft(0); 
    chatHead.setBackgroundResource(R.drawable.img); 

android.view.WindowManager.LayoutParams layoutparams = new android.view.WindowManager.LayoutParams(WindowManager.LayoutParams.WRAP_CONTENT, 
      WindowManager.LayoutParams.WRAP_CONTENT, 
      WindowManager.LayoutParams.TYPE_PHONE, 
      WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE, 
      PixelFormat.TRANSPARENT); 
    android.view.WindowManager.LayoutParams layoutparams1 = new android.view.WindowManager.LayoutParams(WindowManager.LayoutParams.WRAP_CONTENT, 
      WindowManager.LayoutParams.WRAP_CONTENT, 
      WindowManager.LayoutParams.TYPE_PHONE, 
      WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE, 
      PixelFormat.TRANSPARENT); 
    android.view.WindowManager.LayoutParams layoutparams2 = new android.view.WindowManager.LayoutParams(WindowManager.LayoutParams.WRAP_CONTENT, 
      WindowManager.LayoutParams.WRAP_CONTENT, 
      WindowManager.LayoutParams.TYPE_PHONE, 
      WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE, 
      PixelFormat.TRANSPARENT); 
    final android.view.WindowManager.LayoutParams paramsChatHead = new android.view.WindowManager.LayoutParams(WindowManager.LayoutParams.WRAP_CONTENT, 
      WindowManager.LayoutParams.WRAP_CONTENT, 
      WindowManager.LayoutParams.TYPE_PHONE, 
      WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE, 
      PixelFormat.TRANSPARENT); 
    android.view.WindowManager.LayoutParams layoutparams3 = new android.view.WindowManager.LayoutParams(WindowManager.LayoutParams.WRAP_CONTENT, 
      WindowManager.LayoutParams.WRAP_CONTENT, 
      WindowManager.LayoutParams.TYPE_PHONE, 
      WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE, 
      PixelFormat.TRANSPARENT); 

    new android.widget.LinearLayout.LayoutParams(WindowManager.LayoutParams.WRAP_CONTENT, WindowManager.LayoutParams.WRAP_CONTENT); 

    layoutparams.gravity = 53; 
    layoutparams.y = 0; 
    layoutparams1.gravity = 49; 
    layoutparams1.x = 0; 
    layoutparams1.y = 0; 
    layoutparams2.gravity = 49; 
    layoutparams2.x = 0; 
    layoutparams2.y = 25; 
    paramsChatHead.gravity = 49; 
    paramsChatHead.x = 0; 
    paramsChatHead.y = 50; 
    layoutparams3.gravity = 49; 
    layoutparams3.x = 0; 
    layoutparams3.y = imgheight + 50; 

    try 
    { 
     windowManager.addView(linearLayout, layoutparams1); 
     windowManager.addView(btnClose, layoutparams); 

    } catch (Exception e) 
    {} 

关闭事件:

btnClose.setOnClickListener(new android.view.View.OnClickListener() 
    { 
     public void onClick(View view) 
     { 
      try 
      { 
       if (linearLayout != null) 
       { 
        windowManager.removeView(linearLayout); 
       } 
       if (btnClose != null) 
       { 
        windowManager.removeView(btnClose); 
       } 
      } catch (Exception e) 
      { 
       e.printStackTrace(); 
      } 
     }  
    }); 

请帮

+0

假设会发生什么,如果没有'linearLayout'&' btnClose'是'NOT NULL' – R9J 2015-04-02 10:17:21

+0

如果两者都不为空,那么在拨打号码,姓名和其他信息应显示的号码后,它会在屏幕上显示一个窗口。 – swappy 2015-04-02 10:24:16

回答

0

使用此条件:

if (linearLayout.getWindowToken() != null) { 
            windowManager.removeView(linearLayout); 
           }