总结AndroidApp内存优化之图片优化

 public class ImageButtonClickUtils {
 private ImageButtonClickUtils(){

 }

 /**
  * 设置按钮的正反选效果
  * 
  * */
 public static void setClickState(View view, final int normalResId, final int pressResId){
  view.setOnTouchListener(new OnTouchListener() {
  @Override
  public boolean onTouch(View v, MotionEvent event) {
   switch(event.getAction()){
   case MotionEvent.ACTION_DOWN:{
   v.setBackgroundResource(pressResId);
   }
   break;
   case MotionEvent.ACTION_MOVE:{
   v.setBackgroundResource(pressResId);
   }
   break;
   case MotionEvent.ACTION_UP:{
   v.setBackgroundResource(normalResId);
   }
   break;
   default:{

   }
   break;
   }

   // 为了不影响监听按钮的onClick回调，返回值应为false
   return false;
  }
  });
 }
}

 ImageButton persOnalInfoBtn= (ImageButton)findViewById(R.id.personalBtnId);
 personalInfoBtn.setOnTouchListener(new OnTouchListener() {
 @SuppressLint("ClickableViewAccessibility")
 @Override
 public boolean onTouch(View v, MotionEvent event) {
  int action = event.getAction();

  if(action == MotionEvent.ACTION_DOWN){
  ((ImageButton)v).setColorFilter(getResources().getColor(0X50000000));
  }else if(action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_CANCEL){
  ((ImageButton)v).clearColorFilter();
  }

  // 为了不影响监听按钮的onClick回调，返回值应为false
  return false;
 }
 });

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Matrix;
import android.graphics.PixelFormat;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.view.SurfaceHolder;
import android.view.SurfaceView;

import com.eebbk.hanziLearning.activity.R;

public class RootSurfaceView extends SurfaceView implements SurfaceHolder.Callback, Runnable{
 private float mViewWidth = 0;
 private float mViewHeight = 0;
 private int mResourceId = 0;
 private Context mCOntext= null;
 private volatile boolean isRunning = false;
 private SurfaceHolder mSurfaceHolder = null;

 public RootSurfaceView(Context context, AttributeSet attrs, int defStyleAttr) {
 super(context, attrs, defStyleAttr);
 initRootSurfaceView(context, attrs, defStyleAttr, 0);
 }

 public RootSurfaceView(Context context, AttributeSet attrs) {
 super(context, attrs);
 initRootSurfaceView(context, attrs, 0, 0);
 }

 private void initRootSurfaceView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes){
 mCOntext= context;
 DisplayMetrics displayMetrics = context.getResources().getDisplayMetrics();
 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RootSurfaceView, defStyleAttr, defStyleRes);
 int n = a.getIndexCount();
 mViewWidth = displayMetrics.widthPixels;
 mViewHeight = displayMetrics.heightPixels;
 for(int index=0; index

// view.setLayerType || 在定义view的构造方法中调用该方法
setLayerType(View.LAYER_TYPE_SOFTWARE, null);

/**
 * 释放AnimationDrawable占用的内存
 * 
 * 
 * */
@SuppressWarnings("unused")
private void freeAnimationDrawable(AnimationDrawable animationDrawable) {
 animationDrawable.stop(); 
 for (int i = 0; i 

/**
 * 图片动态切换器
 * 
 * */
public class AnimImageView {
 private static final int MSG_START = 0xf1;
 private static final int MSG_STOP = 0xf2;
 private static final int STATE_STOP = 0xf3;
 private static final int STATE_RUNNING = 0xf4;

 /* 运行状态*/
 private int mState = STATE_RUNNING;
 private ImageView mImageView;
 /* 图片资源ID列表*/
 private List mResourceIdList = null;
 /* 定时任务*/
 private Timer mTimer = null;
 private AnimTimerTask mTimeTask = null;
 /* 记录播放位置*/
 private int mFrameIndex = 0;
 /* 播放形式*/
 private boolean isLooping = false;

 public AnimImageView( ){
 mTimer = new Timer();
 }

 /**
 * 设置动画播放资源
 * 
 * */
 public void setAnimation( HanziImageView imageview, List resourceIdList ){
 mImageView = imageview;
 mResourceIdList = resourceIdList;
 }

 /**
 * 开始播放动画
 * @param loop 时候循环播放
 * @param duration 动画播放时间间隔
 * */
 public void start(boolean loop, int duration){
 stop();
 isLooping = loop;
 mFrameIndex = 0;
 mState = STATE_RUNNING;
 mTimeTask = new AnimTimerTask( );
 mTimer.schedule(mTimeTask, 0, duration);
 }

 /**
 * 停止动画播放
 * 
 * */
 public void stop(){
 if (mTimeTask != null) {
  mFrameIndex = 0;
  mState = STATE_STOP;
  mTimer.purge();
  mTimeTask.cancel();
  mTimeTask = null;
  mImageView.setBackgroundResource(0);
 }
 }

 /**
 * 定时器任务
 * 
 * 
 */
 class AnimTimerTask extends TimerTask {
 @Override
 public void run() {
  if(mFrameIndex <0 || mState == STATE_STOP){
  return;
  }

  if( mFrameIndex =0 && mFrameIndex 

@drawable/*