我使用了你的代码。但似乎没问题。
的完整代码段
Activity
public class TestPopupActivity extends Activity implements OnClickListener {
//The "x" and "y" position of the "Show Button" on screen.
Point p;
private LinearLayout holder;
private LayoutInflater inflater;
private View myView;
private Button btn_show;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
holder = (LinearLayout) findViewById(R.id.holder);
inflater = (LayoutInflater) getSystemService(
Context.LAYOUT_INFLATER_SERVICE);
myView = inflater.inflate(R.layout.inflated_layout, null);
btn_show = (Button) myView.findViewById(R.id.show_popup);
btn_show.setOnClickListener(this);
holder.addView(myView);
}
// Get the x and y position after the button is draw on screen
// (It's important to note that we can't get the position in the onCreate(),
// because at that stage most probably the view isn't drawn yet, so it will return (0, 0))
@Override
public void onWindowFocusChanged(boolean hasFocus) {
int[] location = new int[2];
/* Button button = (Button) myView.findViewById(R.id.show_popup);*/
// Get the x, y location and store it in the location[] array
// location[0] = x, location[1] = y.
btn_show.getLocationOnScreen(location);
//Initialize the Point with x, and y positions
p = new Point();
p.x = location[0];
p.y = location[1];
}
// The method that displays the popup.
private void showPopup(Activity context, Point p) {
int popupWidth = 200;
int popupHeight = 150;
// Inflate the popup_layout.xml
LinearLayout viewGroup = (LinearLayout) context.findViewById(R.id.popup);
LayoutInflater layoutInflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View layout = layoutInflater.inflate(R.layout.popup_layout, viewGroup);
// Creating the PopupWindow
final PopupWindow popup = new PopupWindow(context);
popup.setContentView(layout);
popup.setWidth(popupWidth);
popup.setHeight(popupHeight);
popup.setFocusable(true);
// Some offset to align the popup a bit to the right, and a bit down, relative to button's position.
int OFFSET_X = 30;
int OFFSET_Y = 30;
// Clear the default translucent background
popup.setBackgroundDrawable(new BitmapDrawable());
// Displaying the popup at the specified location, + offsets.
popup.showAtLocation(layout, Gravity.NO_GRAVITY, p.x + OFFSET_X, p.y + OFFSET_Y);
// Getting a reference to Close button, and close the popup when clicked.
Button close = (Button) layout.findViewById(R.id.close);
close.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
popup.dismiss();
}
});
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
switch (v.getId()) {
case R.id.show_popup:
if (p != null)
showPopup(TestPopupActivity.this, p);
break;
default:
break;
}
}
}
截图
