2014/10/16 上午 08:15:57

android Programming Glossary: injustdecodebounds

Android: SkImageDecoder:: Factory returned null

http://stackoverflow.com/questions/12006785/android-skimagedecoder-factory-returned-null

options new BitmapFactory.Options options.inJustDecodeBounds true BitmapFactory.decodeStream in null options options.inSampleSize.. calculateSampleSize options reqWidth reqHeight options.inJustDecodeBounds false bmp BitmapFactory.decodeStream in null options return.. share improve this question Maybe this can help inJustDecodeBounds If set to true the decoder will return null no bitmap but the..

Out of memory Error on setImageResource

http://stackoverflow.com/questions/16183635/out-of-memory-error-on-setimageresource

res int resId int reqWidth int reqHeight First decode with inJustDecodeBounds true to check dimensions final BitmapFactory.Options options.. options new BitmapFactory.Options options.inJustDecodeBounds true BitmapFactory.decodeResource res resId options Calculate.. reqHeight Decode bitmap with inSampleSize set options.inJustDecodeBounds false return BitmapFactory.decodeResource res resId options..

Out of Memory error with Bitmap

http://stackoverflow.com/questions/16765899/out-of-memory-error-with-bitmap

size BitmapFactory.Options o new BitmapFactory.Options o.inJustDecodeBounds true BitmapFactory.decodeStream new FileInputStream f null o.. options via the BitmapFactory.Options class. Setting the inJustDecodeBounds property to true while decoding avoids memory allocation returning..

Out of memory while creating bitmaps on device

http://stackoverflow.com/questions/17990086/out-of-memory-while-creating-bitmaps-on-device

options new BitmapFactory.Options options.inJustDecodeBounds true BitmapFactory.decodeFile path options options.inSampleSize.. reqHeight Decode bitmap with inSampleSize set options.inJustDecodeBounds false Bitmap bmp BitmapFactory.decodeFile path options return.. res int resId int reqWidth int reqHeight First decode with inJustDecodeBounds true to check dimensions final BitmapFactory.Options options..

High resolution Image - OutOfMemoryError

http://stackoverflow.com/questions/18385362/high-resolution-image-outofmemoryerror

Handling large Bitmaps

http://stackoverflow.com/questions/2220949/handling-large-bitmaps

in BitmapFactory.Options class one I overlooked named inJustDecodeBounds javadoc of which reads If set to true the decoder will return..

OutOfMemory error while joining large images

http://stackoverflow.com/questions/6213690/outofmemory-error-while-joining-large-images

image into memory you CAN get the size of the image using inJustDecodeBounds. The Bitmap returns null but all the parameters are set. You..

Android: SkImageDecoder:: Factory returned null

http://stackoverflow.com/questions/12006785/android-skimagedecoder-factory-returned-null

Bitmap bmp null in OpenHttpConnection strURL final BitmapFactory.Options options new BitmapFactory.Options options.inJustDecodeBounds true BitmapFactory.decodeStream in null options options.inSampleSize calculateSampleSize options reqWidth reqHeight options.inJustDecodeBounds.. BitmapFactory.decodeStream in null options options.inSampleSize calculateSampleSize options reqWidth reqHeight options.inJustDecodeBounds false bmp BitmapFactory.decodeStream in null options return bmp private InputStream OpenHttpConnection String strURL try.. 26.998 D skia 3197 SkImageDecoder Factory returned null android share improve this question Maybe this can help inJustDecodeBounds If set to true the decoder will return null no bitmap but the out... fields will still be set allowing the caller to query..

Out of memory Error on setImageResource

http://stackoverflow.com/questions/16183635/out-of-memory-error-on-setimageresource

static Bitmap decodeSampledBitmapFromResource Resources res int resId int reqWidth int reqHeight First decode with inJustDecodeBounds true to check dimensions final BitmapFactory.Options options new BitmapFactory.Options options.inJustDecodeBounds true BitmapFactory.decodeResource.. with inJustDecodeBounds true to check dimensions final BitmapFactory.Options options new BitmapFactory.Options options.inJustDecodeBounds true BitmapFactory.decodeResource res resId options Calculate inSampleSize options.inSampleSize calculateInSampleSize options.. options.inSampleSize calculateInSampleSize options reqWidth reqHeight Decode bitmap with inSampleSize set options.inJustDecodeBounds false return BitmapFactory.decodeResource res resId options Use this code decodeSampledBitmapFromResource getResources R.drawable.xyz..

Out of Memory error with Bitmap

http://stackoverflow.com/questions/16765899/out-of-memory-error-with-bitmap

Bitmap decodeFile File f int WIDTH int HIGHT try Decode image size BitmapFactory.Options o new BitmapFactory.Options o.inJustDecodeBounds true BitmapFactory.decodeStream new FileInputStream f null o The new size we want to scale to final int REQUIRED_WIDTH WIDTH.. has additional signatures that let you specify decoding options via the BitmapFactory.Options class. Setting the inJustDecodeBounds property to true while decoding avoids memory allocation returning null for the bitmap object but setting outWidth outHeight..

Out of memory while creating bitmaps on device

http://stackoverflow.com/questions/17990086/out-of-memory-while-creating-bitmaps-on-device

String path int reqWidth int reqHeight final BitmapFactory.Options options new BitmapFactory.Options options.inJustDecodeBounds true BitmapFactory.decodeFile path options options.inSampleSize calculateInSampleSize options reqWidth reqHeight Decode.. options.inSampleSize calculateInSampleSize options reqWidth reqHeight Decode bitmap with inSampleSize set options.inJustDecodeBounds false Bitmap bmp BitmapFactory.decodeFile path options return bmp public int calculateInSampleSize BitmapFactory.Options.. static Bitmap decodeSampledBitmapFromResource Resources res int resId int reqWidth int reqHeight First decode with inJustDecodeBounds true to check dimensions final BitmapFactory.Options options new BitmapFactory.Options options.inJustDecodeBounds true BitmapFactory.decodeResource..

High resolution Image - OutOfMemoryError

http://stackoverflow.com/questions/18385362/high-resolution-image-outofmemoryerror

static Bitmap decodeSampledBitmapFromResource Resources res int resId int reqWidth int reqHeight First decode with inJustDecodeBounds true to check dimensions final BitmapFactory.Options options new BitmapFactory.Options options.inJustDecodeBounds true BitmapFactory.decodeResource.. with inJustDecodeBounds true to check dimensions final BitmapFactory.Options options new BitmapFactory.Options options.inJustDecodeBounds true BitmapFactory.decodeResource res resId options Calculate inSampleSize options.inSampleSize calculateInSampleSize options.. options.inSampleSize calculateInSampleSize options reqWidth reqHeight Decode bitmap with inSampleSize set options.inJustDecodeBounds false return BitmapFactory.decodeResource res resId options public static int calculateInSampleSize BitmapFactory.Options..

Handling large Bitmaps

http://stackoverflow.com/questions/2220949/handling-large-bitmaps

bitmaps share improve this question There is an option in BitmapFactory.Options class one I overlooked named inJustDecodeBounds javadoc of which reads If set to true the decoder will return null no bitmap but the out... fields will still be set allowing..

OutOfMemory error while joining large images

http://stackoverflow.com/questions/6213690/outofmemory-error-while-joining-large-images

memory share improve this question Without loading the image into memory you CAN get the size of the image using inJustDecodeBounds. The Bitmap returns null but all the parameters are set. You can scale down the image accordingly. If your JPEG images are..