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2014/10/16 ¤W¤È 08:22:34
android Programming Glossary: requestlayoutMaking a ListAdapter-recycleable Resizable View http://stackoverflow.com/questions/14128018/making-a-listadapter-recycleable-resizable-view size is done by calling getLayoutParams .height newHeight requestLayout However when using it in a ListView the view is recycled and.. 0 contentsChanged true state State.COLLAPSED requestLayout Set the state of the view. This should ONLY be called after.. .height startHeight int deltaHeight interpolatedTime requestLayout public boolean isAnimating return isAnimating @Override public..
Android ScrollView layout problem http://stackoverflow.com/questions/1526831/android-scrollview-layout-problem the ListViews to not size dynamically. I tried calling requestLayout on the ScrollView after the list adapters had filled their views..
http://stackoverflow.com/questions/2563897/extending-adapterview adapter TODO Auto generated method stub mAdapter adapter requestLayout View obtainView int position View child mAdapter.getView position..
measuring a view before rendering it http://stackoverflow.com/questions/2827079/measuring-a-view-before-rendering-it
How to remove tab from TabHost http://stackoverflow.com/questions/3299845/how-to-remove-tab-from-tabhost initTabHost mTabContent.removeAllViews mTabSpecs.clear requestLayout invalidate And the method removeAllViews comes from the class..
my Custom View gets drawn only when added in onCreate http://stackoverflow.com/questions/4163918/my-custom-view-gets-drawn-only-when-added-in-oncreate float max mBarHeight value max findViewById R.id.smallBar .requestLayout public void setLabel CharSequence c TextView findViewById R.id.label.. I've been told here that it means I need to call somewhere requestLayout . Where else than after modifying mBarHeight Any help I tried.. probably a bug . The workaround should be again calling requestLayout . Still i don't understand where i can put the call. android..
How to layout a 'grid' of images in the center of the screen http://stackoverflow.com/questions/4592065/how-to-layout-a-grid-of-images-in-the-center-of-the-screen least 1 if numColumns mNumColumns mNumColumns numColumns requestLayout public int getHorizontalSpacing return mHorizontalSpacing public.. mChildAspectRatio mChildAspectRatio childAspectRatio requestLayout @Override protected void onMeasure int widthMeasureSpec int..
HorizontalScrollView: auto-scroll to end when new Views are added? http://stackoverflow.com/questions/4720469/horizontalscrollview-auto-scroll-to-end-when-new-views-are-added and has the same symptom. I tried various things like requestLayout on both the Layout and ScrollView I tried scrollTo Integer.MAX_VALUE..
Auto Scale TextView Text to Fit within Bounds http://stackoverflow.com/questions/5033012/auto-scale-textview-text-to-fit-within-bounds setMaxTextSize float maxTextSize mMaxTextSize maxTextSize requestLayout invalidate Return upper text size limit @return public float.. setMinTextSize float minTextSize mMinTextSize minTextSize requestLayout invalidate Return lower text size limit @return public float..
Android Camera will not work. startPreview fails http://stackoverflow.com/questions/7942378/android-camera-will-not-work-startpreview-fails mCamera.setParameters parameters requestLayout @Override public void surfaceDestroyed SurfaceHolder holder..
Multi-layered ExpandableListView http://stackoverflow.com/questions/8293538/multi-layered-expandablelistview question well but as far as I know it's made by the method requestLayout . Also we found out that one scrollable View cannot be embedded.. ViewGroups from the scratch I mean you understand methods requestLayout dispatchDraw and so on then write your own GrandExpandableListAdapter..
Animating weightSum property using ObjectAnimator http://stackoverflow.com/questions/8341745/animating-weightsum-property-using-objectanimator screen stays exactly like it was before. Do I need to call requestLayout on my mDualPane somewhere Am I missing some knowledge of the.. void onAnimationUpdate ValueAnimator animation mDualPane.requestLayout It seems strange to me that ObjectAnimator doesn't call this..
Making a ListAdapter-recycleable Resizable View http://stackoverflow.com/questions/14128018/making-a-listadapter-recycleable-resizable-view everything works as intended. The change to the view size is done by calling getLayoutParams .height newHeight requestLayout However when using it in a ListView the view is recycled and maintains its previous height. So if the view was expanded.. through a ListAdapter public void reuse collapsedHeight expandedHeight 0 contentsChanged true state State.COLLAPSED requestLayout Set the state of the view. This should ONLY be called after a call to reuse as it does not animate the view it simply sets.. float interpolatedTime Transformation t getLayoutParams .height startHeight int deltaHeight interpolatedTime requestLayout public boolean isAnimating return isAnimating @Override public void onAnimationStart Animation animation isAnimating..
Android ScrollView layout problem http://stackoverflow.com/questions/1526831/android-scrollview-layout-problem 3 entries. Something about adding the ScrollView parent caused the ListViews to not size dynamically. I tried calling requestLayout on the ScrollView after the list adapters had filled their views but that didn't do anything. Any ideas Edit From http www.anddev.org..
http://stackoverflow.com/questions/2563897/extending-adapterview return mAdapter @Override public void setAdapter ImageAdapter adapter TODO Auto generated method stub mAdapter adapter requestLayout View obtainView int position View child mAdapter.getView position null this return child @Override protected void onLayout..
measuring a view before rendering it http://stackoverflow.com/questions/2827079/measuring-a-view-before-rendering-it
How to remove tab from TabHost http://stackoverflow.com/questions/3299845/how-to-remove-tab-from-tabhost does that public void clearAllTabs mTabWidget.removeAllViews initTabHost mTabContent.removeAllViews mTabSpecs.clear requestLayout invalidate And the method removeAllViews comes from the class ViewGroup . Luckily ViewGroup does have methods to remove..
my Custom View gets drawn only when added in onCreate http://stackoverflow.com/questions/4163918/my-custom-view-gets-drawn-only-when-added-in-oncreate mBarHeight public void setBarHeight float value float max mBarHeight value max findViewById R.id.smallBar .requestLayout public void setLabel CharSequence c TextView findViewById R.id.label .setText c While adding these GraphBars and setting.. bars the only way to see changes is Load View Hierarchy. I've been told here that it means I need to call somewhere requestLayout . Where else than after modifying mBarHeight Any help I tried everywhere and with invalidate too. Thank you Andrea if you.. with which i do my tests and the graphbar.xml I've found it's probably a bug . The workaround should be again calling requestLayout . Still i don't understand where i can put the call. android android layout custom component android custom view share..
How to layout a 'grid' of images in the center of the screen http://stackoverflow.com/questions/4592065/how-to-layout-a-grid-of-images-in-the-center-of-the-screen 1 throw new IllegalArgumentException numColumns must be at least 1 if numColumns mNumColumns mNumColumns numColumns requestLayout public int getHorizontalSpacing return mHorizontalSpacing public void setHorizontalSpacing int horizontalSpacing mHorizontalSpacing.. childAspectRatio must be positive if childAspectRatio mChildAspectRatio mChildAspectRatio childAspectRatio requestLayout @Override protected void onMeasure int widthMeasureSpec int heightMeasureSpec int widthSize MeasureSpec.getSize widthMeasureSpec..
HorizontalScrollView: auto-scroll to end when new Views are added? http://stackoverflow.com/questions/4720469/horizontalscrollview-auto-scroll-to-end-when-new-views-are-added object but I made a small test application that uses ImageView and has the same symptom. I tried various things like requestLayout on both the Layout and ScrollView I tried scrollTo Integer.MAX_VALUE and it scrolled into the netherverse Am I violating..
Auto Scale TextView Text to Fit within Bounds http://stackoverflow.com/questions/5033012/auto-scale-textview-text-to-fit-within-bounds limit and invalidate the view @param maxTextSize public void setMaxTextSize float maxTextSize mMaxTextSize maxTextSize requestLayout invalidate Return upper text size limit @return public float getMaxTextSize return mMaxTextSize Set the lower text size.. limit and invalidate the view @param minTextSize public void setMinTextSize float minTextSize mMinTextSize minTextSize requestLayout invalidate Return lower text size limit @return public float getMinTextSize return mMinTextSize Set flag to add ellipsis..
Android Camera will not work. startPreview fails http://stackoverflow.com/questions/7942378/android-camera-will-not-work-startpreview-fails mCamera.getParameters parameters.setFlashMode Camera.Parameters.FLASH_MODE_AUTO mCamera.setParameters parameters requestLayout @Override public void surfaceDestroyed SurfaceHolder holder Surface will be destroyed when we return so stop the preview...
Multi-layered ExpandableListView http://stackoverflow.com/questions/8293538/multi-layered-expandablelistview to fit into a group container I didn't research this question well but as far as I know it's made by the method requestLayout . Also we found out that one scrollable View cannot be embedded into another scrollable View. It's wide known mistake to.. solution if you're professional of designing your own Views ViewGroups from the scratch I mean you understand methods requestLayout dispatchDraw and so on then write your own GrandExpandableListAdapter with 3 levels. Medium solution use ExpandableListAdapter..
Animating weightSum property using ObjectAnimator http://stackoverflow.com/questions/8341745/animating-weightsum-property-using-objectanimator Question When I call these functions nothing happens. The screen stays exactly like it was before. Do I need to call requestLayout on my mDualPane somewhere Am I missing some knowledge of the ObjectAnimator Or is it impossible to animate the weightSum.. by my Activity and updates the layout @Override public void onAnimationUpdate ValueAnimator animation mDualPane.requestLayout It seems strange to me that ObjectAnimator doesn't call this itself but anyway this is how to get it working. The solution..
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