Hi all,
I want to intercept the OnTouch event in a PopupWindow, but it failes
everytime. Here is the code snip:
public class Demo extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Prepare the popup window
final TextView popupText = new TextView(this);
popupText.setText("Poping up...");
popupText.setBackgroundColor(Color.BLUE);
popupText.setFocusableInTouchMode(true);
final PopupWindow popupWindow = new PopupWindow(this);
popupWindow.setContentView(popupText);
popupWindow.setWidth(100);
popupWindow.setHeight(100);
popupWindow.setBackgroundDrawable(null);
popupWindow.setOutsideTouchable(true);
popupWindow.setTouchInterceptor(new OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
Log.d("Demo", "popupWindow::onTouch >>> view: "
+ v + ", event: " + event);
return false;
}
});
// Prepare the activity view
final LinearLayout layout = new LinearLayout(this);
layout.setOrientation(LinearLayout.VERTICAL);
layout.setOnTouchListener(new OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
Log.d("Demo", "layout::onTouch >>> view: " + v
+ ", event: " + event);
return false;
}
});
final TextView backgroundView = new TextView(this);
backgroundView.setWidth(240);
backgroundView.setHeight(300);
backgroundView.setBackgroundColor(Color.RED);
layout.addView(backgroundView);
final Button button = new Button(this);
button.setWidth(240);
button.setHeight(20);
button.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
popupWindow.showAsDropDown(backgroundView);
}
});
layout.addView(button);
setContentView(layout);
}
When the activity started, I can click the button to show the popup
window correctly. But after that, nothing happens when I touch the
popup window's view. But if I touch any where outside the popup
window, the log
Log.d("Demo", "layout::onTouch >>> view: " + v + ", event: " + event);
will work.
It looks like when I touch the view of the popup window, the touch
event has been consumed somewhere?
Do you have any ideas on this? Thanks for your consideration.
Regards,
Johnny
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