2014/10/16 上午 08:10:36

android Programming Glossary: bitmapfactory.options.insamplesize

http://stackoverflow.com/questions/11061280/android-reduce-image-file-size

but I want final size to be about 200KB so that I can upload it. From what I read I have at least 2 choices Using BitmapFactory.Options.inSampleSize to subsample original image and get a smaller image Using Bitmap.compress to compress the image specifying compression quality...

Decoding bitmaps in Android with the right size

http://stackoverflow.com/questions/2641726/decoding-bitmaps-in-android-with-the-right-size

. Sometimes the bitmaps are bigger than what the application needs or that the heap allows so I use BitmapFactory.Options.inSampleSize to request a subsampled smaller bitmap. The problem is that the platform does not enforce the exact value of inSampleSize.. it to the appropriate size. The first step is to read the file to a Bitmap slightly bigger than you require using BitmapFactory.Options.inSampleSize to ensure that you do not consume excessive memory reading a large bitmap when all you want is a smaller thumbnail or screen..

Android: Resize a large bitmap file to scaled output file

http://stackoverflow.com/questions/3331527/android-resize-a-large-bitmap-file-to-scaled-output-file

see here for example . I also can't read the bitmap with for example BitmapFactory.decodeFile file options providing a BitmapFactory.Options.inSampleSize because I want to resize it to an exact width and height. Using inSampleSize would resize the bitmap to 972x648 if I use..

Android: Question about Bitmaps, memory usage, and scaling

http://stackoverflow.com/questions/6205496/android-question-about-bitmaps-memory-usage-and-scaling

the Bitmap calculating the number of bytes Bitmap requires as width height 4 calculating the available memory and then BitmapFactory.Options.inSampleSize such that the Bitmap will use less memory than what is available. However this option fails because I have not been able..

OutOfMemory error while joining large images

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