1. 程式人生 > >Android圖片壓縮(質量壓縮和尺寸壓縮 File, Stream和Bitmap)

Android圖片壓縮(質量壓縮和尺寸壓縮 File, Stream和Bitmap)

	/**
     * Returns the minimum number of bytes that can be used to store this bitmap's pixels.
     *
     * <p>As of {@link android.os.Build.VERSION_CODES#KITKAT}, the result of this method can
     * no longer be used to determine memory usage of a bitmap. See {@link
     * #getAllocationByteCount()}.</p>
     */
    public final int getByteCount();
    /**
     * Returns the size of the allocated memory used to store this bitmap's pixels.
     *
     * <p>This can be larger than the result of {@link #getByteCount()} if a bitmap is reused to
     * decode other bitmaps of smaller size, or by manual reconfiguration. 
     * ... If a bitmap is not modified in this way, this value will be
     * the same as that returned by {@link #getByteCount()}.</p>
     *
     * <p>This value will not change over the lifetime of a Bitmap.</p>
     */
    public final int getAllocationByteCount()