¡@
2014/10/16 ¤W¤È 08:27:11
android Programming Glossary: v.measureAndroid Custom Layout - onDraw() never gets called http://stackoverflow.com/questions/13056331/android-custom-layout-ondraw-never-gets-called MeasureSpec.makeMeasureSpec getMeasuredHeight MeasureSpec.EXACTLY for int i 0 i getChildCount i View v getChildAt i v.measure wspec hspec @Override protected void onLayout boolean changed int l int t int r int b float w r l float h b t rect new..
Android View.getDrawingCache returns null, only null http://stackoverflow.com/questions/2339429/android-view-getdrawingcache-returns-null-only-null true this is the important code Without it the view will have a dimension of 0 0 and the bitmap will be null v.measure MeasureSpec.makeMeasureSpec 0 MeasureSpec.UNSPECIFIED MeasureSpec.makeMeasureSpec 0 MeasureSpec.UNSPECIFIED v.layout 0..
Converting a view to Bitmap without displaying it in Android? http://stackoverflow.com/questions/2801116/converting-a-view-to-bitmap-without-displaying-it-in-android wasn't displayed before the size of it will be zero. Its possible to measure it like this if v.getMeasuredHeight 0 v.measure LayoutParams.WRAP_CONTENT LayoutParams.WRAP_CONTENT Bitmap b Bitmap.createBitmap v.getMeasuredWidth v.getMeasuredHeight..
Android: Expand/collapse animation http://stackoverflow.com/questions/4946295/android-expand-collapse-animation view is expanded it adapts height if content changes. It works great for me. public static void expand final View v v.measure LayoutParams.MATCH_PARENT LayoutParams.WRAP_CONTENT final int targtetHeight v.getMeasuredHeight v.getLayoutParams .height..
http://stackoverflow.com/questions/5016097/screen-capture-from-code true this is the important code Without it the view will have a dimension of 0 0 and the bitmap will be null v.measure MeasureSpec.makeMeasureSpec 0 MeasureSpec.UNSPECIFIED MeasureSpec.makeMeasureSpec 0 MeasureSpec.UNSPECIFIED v.layout 0 0..
Save the image made by user in fingerPaint api demos in android http://stackoverflow.com/questions/5029775/save-the-image-made-by-user-in-fingerpaint-api-demos-in-android true this is the important code Without it the view will have a dimension of 0 0 and the bitmap will be null v.measure MeasureSpec.makeMeasureSpec 0 MeasureSpec.UNSPECIFIED MeasureSpec.makeMeasureSpec 0 MeasureSpec.UNSPECIFIED v.layout 0 0..
|