8000 fix layout listener related issues. Closes #890 by akshayaurora · Pull Request #911 · kivy/python-for-android · GitHub
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fix layout listener related issues. Closes #890 #911

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Merged
merged 1 commit into from
Oct 27, 2016
Merged

fix layout listener related issues. Closes #890 #911

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35 changes: 11 additions & 24 deletions pythonforandroid/recipes/android/src/android/_android.pyx
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Original file line number Diff line number Diff line change
Expand Up @@ -179,31 +179,18 @@ python_act = autoclass(JAVA_NAMESPACE + '.PythonActivity')
Rect = autoclass('android.graphics.Rect')
mActivity = python_act.mActivity
if mActivity:
class LayoutListener(PythonJavaClass):
__javainterfaces__ = ['android/view/ViewTreeObserver$OnGlobalLayoutListener']

height = 0

@java_method('()V')
def onGlobalLayout(self):
rctx = Rect()
# print('rctx_bottom: {0}, top: {1}'.format(rctx.bottom, rctx.top))
mActivity.getWindow().getDecorView().getWindowVisibleDisplayFrame(rctx)
# print('rctx_bottom: {0}, top: {1}'.format(rctx.bottom, rctx.top))
# print('activity height: {0}'.format(mActivity.getWindowManager().getDefaultDisplay().getHeight()))
# NOTE top should always be zero
rctx.top = 0
self.height = mActivity.getWindowManager().getDefaultDisplay().getHeight() - (rctx.bottom - rctx.top)
# print('final height: {0}'.format(self.height))

ll = LayoutListener()
IF BOOTSTRAP == 'sdl2':
python_act.getLayout().getViewTreeObserver().addOnGlobalLayoutListener(ll)
ELSE:
python_act.mView.getViewTreeObserver().addOnGlobalLayoutListener(ll)

# PyGame backend already has the listener so adding
# one here leads to a crash/too much cpu usage.
# SDL2 now does noe need the listener so there is
# no point adding a processor intensive layout listenere here.
height = 0
def get_keyboard_height():
return ll.height
rctx = Rect()
mActivity.getWindow().getDecorView().getWindowVisibleDisplayFrame(rctx)
# NOTE top should always be zero
rctx.top = 0
height = mActivity.getWindowManager().getDefaultDisplay().getHeight() - (rctx.bottom - rctx.top)
return height
else:
def get_keyboard_height():
return 0
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