setPreferRamOverQuality -> setConserveMemory

    method public android.util.Size getSampledSize(int);

    method public void setAllocator(int);

    method public void setAsAlphaMask(boolean);

    method public void setConserveMemory(boolean);

    method public void setCrop(android.graphics.Rect);

    method public void setMutable(boolean);

    method public void setOnPartialImageListener(android.graphics.ImageDecoder.OnPartialImageListener);

    method public void setPostProcessor(android.graphics.PostProcessor);

    method public void setPreferRamOverQuality(boolean);

    method public void setRequireUnpremultiplied(boolean);

    method public void setResize(int, int);

    method public void setResize(int);

import android.content.res.AssetManager;

import android.content.res.Resources;

import android.graphics.drawable.AnimatedImageDrawable;

import android.graphics.drawable.Drawable;

import android.graphics.drawable.BitmapDrawable;

import android.graphics.drawable.Drawable;

import android.graphics.drawable.NinePatchDrawable;

import android.net.Uri;

import android.util.Size;

import android.system.ErrnoException;

import android.system.Os;

import android.util.DisplayMetrics;

import android.util.Size;

import android.util.TypedValue;

import libcore.io.IoUtils;

import dalvik.system.CloseGuard;

import java.nio.ByteBuffer;

import libcore.io.IoUtils;

import java.io.File;

import java.io.FileDescriptor;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.io.InputStream;

import java.lang.ArrayIndexOutOfBoundsException;

import java.lang.AutoCloseable;

import java.lang.NullPointerException;

import java.lang.RuntimeException;

import java.lang.annotation.Retention;

import static java.lang.annotation.RetentionPolicy.SOURCE;

import java.nio.ByteBuffer;

import java.util.concurrent.atomic.AtomicBoolean;

import static java.lang.annotation.RetentionPolicy.SOURCE;

/**

 *  Class for decoding images as {@link Bitmap}s or {@link Drawable}s.

 */

    private int     mAllocator = ALLOCATOR_DEFAULT;

    private boolean mRequireUnpremultiplied = false;

    private boolean mMutable = false;

    private boolean mPreferRamOverQuality = false;

    private boolean mConserveMemory = false;

    private boolean mAsAlphaMask = false;

    private Rect    mCropRect;

    private Rect    mOutPaddingRect;

     *  Specify whether to potentially save RAM at the expense of quality.

     *

     *  Setting this to {@code true} may result in a {@link Bitmap} with a

     *  denser {@link Bitmap.Config}, depending on the image. For example, for

     *  an opaque {@link Bitmap}, this may result in a {@link Bitmap.Config}

     *  with no alpha information.

     *  denser {@link Bitmap.Config}, depending on the image. For example, an

     *  opaque {@link Bitmap} with 8 bits or precision for each of its red,

     *  green and blue components would decode to

     *  {@link Bitmap.Config#ARGB_8888} by default, but setting this to

     *  {@code true} will result in decoding to {@link Bitmap.Config#RGB_565}.

     *  This necessarily lowers the quality of the output, but saves half

     *  the memory used.

     */

    public void setPreferRamOverQuality(boolean preferRamOverQuality) {

        mPreferRamOverQuality = preferRamOverQuality;

    public void setConserveMemory(boolean conserveMemory) {

        mConserveMemory = conserveMemory;

    }

    /**

        return nDecodeBitmap(mNativePtr, partialImagePtr,

                postProcessPtr, mDesiredWidth, mDesiredHeight, mCropRect,

                mMutable, mAllocator, mRequireUnpremultiplied,

                mPreferRamOverQuality, mAsAlphaMask);

                mConserveMemory, mAsAlphaMask);

    }

    private void callHeaderDecoded(@Nullable OnHeaderDecodedListener listener,

            int width, int height,

            @Nullable Rect cropRect, boolean mutable,

            int allocator, boolean requireUnpremul,

            boolean preferRamOverQuality, boolean asAlphaMask)

            boolean conserveMemory, boolean asAlphaMask)

        throws IOException;

    private static native Size nGetSampledSize(long nativePtr,

                                               int sampleSize);