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public boolean compress(CompressFormat format, int quality, OutputStream stream) {
checkRecycled("Can't compress a recycled bitmap");
// do explicit check before calling the native method
if (stream == null) {
throw new NullPointerException();
}
if (quality < 0 || quality > 100) {
throw new IllegalArgumentException("quality must be 0..100");
}
Trace.traceBegin(Trace.TRACE_TAG_RESOURCES, "Bitmap.compress");
boolean result = nativeCompress(mFinalizer.mNativeBitmap, format.nativeInt,
quality, stream, new byte[WORKING_COMPRESS_STORAGE]);
Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
return result;
}
第一:你的/sdcard/storage/emulated/0/watermark 存在不?
第二:看看报错报哪里不就得了???