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android – Formats supported by BitmapFactory.decodeByteArray(…)

Posted by: admin June 15, 2020 Leave a comment

Questions:

Is it documented (or reasonable to assume) that BitmapFactory.decodeByteArray(…) can be expected to recognize any of the image formats listed here?

How to&Answers:

Yes, it’s reasonable to assume (a bit more so if you take a peek at the source code of AOSP). The JNI native methods for BitmapFactory are in BitmapFactory.cpp.

https://github.com/android/platform_frameworks_base/blob/master/core/jni/android/graphics/BitmapFactory.cpp

Since both BitmapFactory.decodeByteArray() and the BitmapDrawable(InputStream) constructor end up calling doDecode(), and since this constructor is used when loading resources from the APK, it would be reasonable to assume that the capabilities are the same.