问题 my app was killed,and the log :libpng warning: Ignoring bad adaptive filter type. I want to know the reason,and the solution. 回答1: The question gives insufficient information to provide a complete answer. The "bad adaptive filter type" message means that the PNG file is either corrupted or was generated by a buggy encoder. Each scanline of a PNG file begins with a "filter type" byte which must be 0, 1, 2, 3, or 4. 回答2: I had this issue before, the image was corrupted by unknown reason, the