Question

当我要在Window Manager中removeView(View view)时，我会遇到异常。

wm = (WindowManager) getSystemService(WINDOW_SERVICE);
AntView mView=new AntView(getApplicationContext());
wm.removeView(mView1);

当我尝试上面的代码时，它显示了一个异常：

Caused by: java.lang.IllegalArgumentException: View not attached to window manager
    at android.view.WindowManagerImpl.findViewLocked(WindowManagerImpl.java:381)
    at android.view.WindowManagerImpl.removeView(WindowManagerImpl.java:226)
    at com.example.testactivity.BackService.onStartCommand(BackService.java:63)
0   at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:2051)

Answer 1

您没有将视图添加到wm，sap>

wm = (WindowManager) getSystemService(WINDOW_SERVICE);
AntView mView=new AntView(getApplicationContext());
wm.addView(mView,mViewParams);

wm.removeView(mView1);

窗口管理器removeView（查看视图）

1 个答案: