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August 29, 2015 13:56
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Grabbing content view dimensions via ViewTreeObserver - all Display methods have no guarantee if they will include system and status bars in height
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| //inside a fragment. If in an Activity you could use findViewById(Window.ID_ANDROID_CONTENT); | |
| getView().getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() | |
| { | |
| @Override | |
| public void onGlobalLayout() | |
| { | |
| //do something like measure a view etc | |
| View content = getWindow().findViewById(Window.ID_ANDROID_CONTENT); | |
| Log.d("DISPLAY", content.getWidth() + " x " + content.getHeight()); | |
| //we only wanted the first call back so now remove | |
| if(Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) | |
| getView().getViewTreeObserver().removeGlobalOnLayoutListener(this); | |
| else | |
| getView().getViewTreeObserver().removeOnGlobalLayoutListener(this); | |
| } | |
| }); |
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Does it matter which
Viewyou get theViewTreeObserverfrom?Also why did they deprecate the
removeGlobalOnLayoutListener()method? Just to change the name to something that matches theadd...method?