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2014/10/16 ¤W¤È 08:20:43
android Programming Glossary: offscreenViewPager.setOffscreenPageLimit(0) doesn't work as expected http://stackoverflow.com/questions/10073214/viewpager-setoffscreenpagelimit0-doesnt-work-as-expected expect it to only be called once because I specified 0 offscreen pages. I believe I'm calling everything correctly because if.. as I would expect. Does ViewPager require a minimum of 1 offscreen pages or am I doing something wrong here android android viewpager.. this question Does ViewPager require a minimum of 1 offscreen pages Yes. If I am reading the source code correctly you should..
Android FingerPaint Undo/Redo implementation http://stackoverflow.com/questions/10165965/android-fingerpaint-undo-redo-implementation void touch_up mPath.lineTo mX mY commit the path to our offscreen mCanvas.drawPath mPath mPaint kill this so we don't double draw.. void touch_up mPath.lineTo mX mY commit the path to our offscreen mCanvas.drawPath mPath mPaint kill this so we don't double draw..
http://stackoverflow.com/questions/1096618/android-surfaceview-scrolling I'm writing an android application that builds an offscreen bitmap that is say 640 480 pixels and displays that in a SurfaceView...
Android Canvas Redo and Undo Operation http://stackoverflow.com/questions/11114625/android-canvas-redo-and-undo-operation void touch_up mPath.lineTo mX mY commit the path to our offscreen mCanvas.drawPath mPath mPaint kill this so we don't double.. void touch_up mPath.lineTo mX mY commit the path to our offscreen mCanvas.drawPath mPath mPaint kill this so we don't double..
reorder pages in FragmentStatePagerAdapter using getItemPosition(Object object) http://stackoverflow.com/questions/12510404/reorder-pages-in-fragmentstatepageradapter-using-getitempositionobject-object be since it is 2 pages away and I'm using the default offscreen page limit of 1 . Now I call toggleState . Page B is now destroyed...
Android color picker to be included in the activity http://stackoverflow.com/questions/16363235/android-color-picker-to-be-included-in-the-activity mPath.lineTo mX mY circlePath.reset commit the path to our offscreen mCanvas.drawPath mPath mPaint kill this so we don't double draw..
Draw in Canvas by finger android http://stackoverflow.com/questions/16650419/draw-in-canvas-by-finger-android mPath.lineTo mX mY circlePath.reset commit the path to our offscreen mCanvas.drawPath mPath mPaint kill this so we don't double draw.. void touch_up mPath.lineTo mX mY commit the path to our offscreen mCanvas.drawPath mPath mPaint kill this so we don't double draw..
Android : Stop image scaling down http://stackoverflow.com/questions/3045227/android-stop-image-scaling-down 0 displayWidth displayHeight Load a large bitmap into an offscreen area of memory. bmLargeImage BitmapFactory.decodeResource getResources..
How do I pause Flash content in an Android WebView when my activity isn't visible? http://stackoverflow.com/questions/3431351/how-do-i-pause-flash-content-in-an-android-webview-when-my-activity-isnt-visibl plugins javascript etc. For example if the view is taken offscreen this could be called to reduce unnecessary CPU and or network..
Quality problems when resizing an image at runtime http://stackoverflow.com/questions/4231817/quality-problems-when-resizing-an-image-at-runtime time which is going to be very costly try to resize in an offscreen bitmap and make sure that Bitmap is 32 bits ARGB888 . However..
android taking screenshot of offscreen page http://stackoverflow.com/questions/5604125/android-taking-screenshot-of-offscreen-page taking screenshot of offscreen page I am working on an android application. I have an activity.. also has some views and controls. I want activity B to be offscreen and want to take the screenshot of B from A . Is it possible.. drawing cache in to a bitmap but struggling to take the offscreen page's screenshot. android activity screenshot off screen ..
Android: How does GridView auto_fit find the number of columns? http://stackoverflow.com/questions/6912922/android-how-does-gridview-auto-fit-find-the-number-of-columns column width. Here is a quick way to measure Views offscreen public int measureCellWidth Context context View cell We need..
ViewPager.setOffscreenPageLimit(0) doesn't work as expected http://stackoverflow.com/questions/10073214/viewpager-setoffscreenpagelimit0-doesnt-work-as-expected when I call mViewPager.setOffscreenPageLimit 1 . I would expect it to only be called once because I specified 0 offscreen pages. I believe I'm calling everything correctly because if I call mViewPager.setOffscreenPageLimit 2 FragmentStatePagerAdapter.getItem.. int position is called 5 times as I would expect. Does ViewPager require a minimum of 1 offscreen pages or am I doing something wrong here android android viewpager android compat lib share improve this question Does.. android android viewpager android compat lib share improve this question Does ViewPager require a minimum of 1 offscreen pages Yes. If I am reading the source code correctly you should be getting a warning about this in LogCat something like..
Android FingerPaint Undo/Redo implementation http://stackoverflow.com/questions/10165965/android-fingerpaint-undo-redo-implementation mPath.quadTo mX mY x mX 2 y mY 2 mX x mY y private void touch_up mPath.lineTo mX mY commit the path to our offscreen mCanvas.drawPath mPath mPaint kill this so we don't double draw mPath.reset @Override public boolean onTouchEvent MotionEvent.. mPath.quadTo mX mY x mX 2 y mY 2 mX x mY y private void touch_up mPath.lineTo mX mY commit the path to our offscreen mCanvas.drawPath mPath mPaint kill this so we don't double draw mPath new Path paths.add mPath @Override public boolean..
http://stackoverflow.com/questions/1096618/android-surfaceview-scrolling SurfaceView scrolling I'm writing an android application that builds an offscreen bitmap that is say 640 480 pixels and displays that in a SurfaceView. Note that the size of the image is larger than the..
Android Canvas Redo and Undo Operation http://stackoverflow.com/questions/11114625/android-canvas-redo-and-undo-operation mPath.quadTo mX mY x mX 2 y mY 2 mX x mY y private void touch_up mPath.lineTo mX mY commit the path to our offscreen mCanvas.drawPath mPath mPaint kill this so we don't double draw mPath new Path paths.add mPath public void onClickUndo.. mPath.quadTo mX mY x mX 2 y mY 2 mX x mY y private void touch_up mPath.lineTo mX mY commit the path to our offscreen mCanvas.drawPath mPath mPaint kill this so we don't double draw paths.add mPath mPath new Path public void onClickUndo..
reorder pages in FragmentStatePagerAdapter using getItemPosition(Object object) http://stackoverflow.com/questions/12510404/reorder-pages-in-fragmentstatepageradapter-using-getitempositionobject-object Then I swipe back to page A and page C is destroyed as it should be since it is 2 pages away and I'm using the default offscreen page limit of 1 . Now I call toggleState . Page B is now destroyed. However page C is NOT recreated This means when I now..
Android color picker to be included in the activity http://stackoverflow.com/questions/16363235/android-color-picker-to-be-included-in-the-activity mY 30 Path.Direction.CW invalidate private void touch_up mPath.lineTo mX mY circlePath.reset commit the path to our offscreen mCanvas.drawPath mPath mPaint kill this so we don't double draw mPath.reset @Override public boolean onTouchEvent MotionEvent..
Draw in Canvas by finger android http://stackoverflow.com/questions/16650419/draw-in-canvas-by-finger-android mX mY 30 Path.Direction.CW private void touch_up mPath.lineTo mX mY circlePath.reset commit the path to our offscreen mCanvas.drawPath mPath mPaint kill this so we don't double draw mPath.reset @Override public boolean onTouchEvent MotionEvent.. mPath.quadTo mX mY x mX 2 y mY 2 mX x mY y private void touch_up mPath.lineTo mX mY commit the path to our offscreen mCanvas.drawPath mPath mPaint kill this so we don't double draw mPath.reset mPaint.setXfermode new PorterDuffXfermode PorterDuff.Mode.SCREEN..
Android : Stop image scaling down http://stackoverflow.com/questions/3045227/android-stop-image-scaling-down bitmap in memory. Initialize as above. scrollRect new Rect 0 0 displayWidth displayHeight Load a large bitmap into an offscreen area of memory. bmLargeImage BitmapFactory.decodeResource getResources R.drawable.testlargeimage @Override public boolean..
How do I pause Flash content in an Android WebView when my activity isn't visible? http://stackoverflow.com/questions/3431351/how-do-i-pause-flash-content-in-an-android-webview-when-my-activity-isnt-visibl processing associated with this view and its associated DOM plugins javascript etc. For example if the view is taken offscreen this could be called to reduce unnecessary CPU and or network traffic. When the view is again active call onResume . Note..
Quality problems when resizing an image at runtime http://stackoverflow.com/questions/4231817/quality-problems-when-resizing-an-image-at-runtime post I linked Romain Guy said Instead of resizing at drawing time which is going to be very costly try to resize in an offscreen bitmap and make sure that Bitmap is 32 bits ARGB888 . However I have no idea how to make sure the Bitmap stays as 32 bits..
android taking screenshot of offscreen page http://stackoverflow.com/questions/5604125/android-taking-screenshot-of-offscreen-page taking screenshot of offscreen page I am working on an android application. I have an activity say A which fills the entire screen with views..On a button.. click in A I want to start another activity say B which also has some views and controls. I want activity B to be offscreen and want to take the screenshot of B from A . Is it possible Note I am successful in taking the screenshot of page A by.. am successful in taking the screenshot of page A by saving the drawing cache in to a bitmap but struggling to take the offscreen page's screenshot. android activity screenshot off screen share improve this question Yes it is possible...You should..
Android: How does GridView auto_fit find the number of columns? http://stackoverflow.com/questions/6912922/android-how-does-gridview-auto-fit-find-the-number-of-columns is to measure your column size before setting the GridView's column width. Here is a quick way to measure Views offscreen public int measureCellWidth Context context View cell We need a fake parent FrameLayout buffer new FrameLayout context android.widget.AbsListView.LayoutParams..
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