I find that View.getWindowToken() always returns null, even when
invoked from the main Activity during onCreate. For example:
TextView tv = new TextView(this);
tv.setText("Hello, Android");
setContentView(tv);
tv.getWindowToken(); // will equal null
Manually adding it to the window manager (addView) doesn't help
either.
When does a View have a window token? How do I get a valid window
token?
TIA.
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