public class MatrixImageView extends ImageView {
 private static final int MODE_NONE = 190;
 private static final int MODE_DRAG = 468;
 private static final int MODE_ZOOM = 685;

 private int mode;
 private float startX, startY;
 private float midX, midY;
 private Matrix currMatrix, savedMatrix;
 private float preRotate, rotate;
 private float preSpacing;

 private GestureDetector detector;
 public MatrixImageView(Context context, AttributeSet attrs) {
  super(context, attrs);
  initView();
  detector=new GestureDetector(context,onGestureListener);
 }

 private void initView() {
  mode = MODE_NONE;
  currMatrix = new Matrix();
  savedMatrix = new Matrix();
  DisplayMetrics dm = getResources().getDisplayMetrics();
  Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.mipmap.test);
  bitmap = Bitmap.createScaledBitmap(bitmap, dm.widthPixels, dm.heightPixels, true);
  setImageBitmap(bitmap);
 }
 @Override
 public boolean onTouchEvent(MotionEvent event) {
  return detector.onTouchEvent(event);
 }
 private GestureDetector.SimpleOnGestureListener onGestureListener=new GestureDetector.SimpleOnGestureListener(){
  @Override
  public boolean onSingleTapUp(MotionEvent e) {
   Log.e("TAG", "====onSingleTapUp=====");
   return super.onSingleTapUp(e);
  }

  @Override
  public void onLongPress(MotionEvent e) {
   Log.e("TAG", "====onLongPress=====");
   super.onLongPress(e);
  }

  @Override
  public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
   Log.e("TAG", "====onScroll=====");
   Log.e("TAG", "distanceX===>"+distanceX);
   Log.e("TAG", "distanceY===>"+distanceY);
   return super.onScroll(e1, e2, distanceX, distanceY);
  }

  @Override
  public void onShowPress(MotionEvent e) {
   Log.e("TAG", "====onShowPress=====");
   super.onShowPress(e);
  }

  @Override
  public boolean onDown(MotionEvent e) {
   Log.e("TAG", "====onDown=====");
   return true;
  }

  @Override
  public boolean onDoubleTap(MotionEvent e) {
   Log.e("TAG", "====onDoubleTap=====");
   return super.onDoubleTap(e);
  }

  @Override
  public boolean onDoubleTapEvent(MotionEvent e) {
   Log.e("TAG", "====onDoubleTapEvent=====");
   return super.onDoubleTapEvent(e);
  }

  @Override
  public boolean onSingleTapConfirmed(MotionEvent e) {
   Log.e("TAG", "====onSingleTapConfirmed=====");
   return super.onSingleTapConfirmed(e);
  }

  @Override
  public boolean onContextClick(MotionEvent e) {
   Log.e("TAG", "====onContextClick=====");
   return super.onContextClick(e);
  }

  @Override
  public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
   Log.e("TAG", "====onFling=====");
   Log.e("TAG", "velocityX===>"+velocityX);
   Log.e("TAG", "velocityY===>"+velocityY);
   return super.onFling(e1, e2, velocityX, velocityY);

  }
 };
}

public MatrixImageView(Context context, AttributeSet attrs) {
  super(context, attrs);
  initView();
  detector=new GestureDetector(context,onGestureListener);
 }

 @Override
 public boolean onTouchEvent(MotionEvent event) {
  return detector.onTouchEvent(event);
 }

private GestureDetector.SimpleOnGestureListener onGestureListener=new GestureDetector.SimpleOnGestureListener(){ 
@Override 
public boolean onSingleTapUp(MotionEvent e) { 
Log.e(“TAG”, “====onSingleTapUp=====”); 
return super.onSingleTapUp(e); 
}

 @Override
 public void onLongPress(MotionEvent e) {
  Log.e("TAG", "====onLongPress=====");
  super.onLongPress(e);
 }

 @Override
 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
  Log.e("TAG", "====onScroll=====");
  Log.e("TAG", "distanceX===>"+distanceX);
  Log.e("TAG", "distanceY===>"+distanceY);
  return super.onScroll(e1, e2, distanceX, distanceY);
 }

 @Override
 public void onShowPress(MotionEvent e) {
  Log.e("TAG", "====onShowPress=====");
  super.onShowPress(e);
 }

 @Override
 public boolean onDown(MotionEvent e) {
  Log.e("TAG", "====onDown=====");
   return super.onDown(e);
 }

 @Override
 public boolean onDoubleTap(MotionEvent e) {
  Log.e("TAG", "====onDoubleTap=====");
  return super.onDoubleTap(e);
 }

 @Override
 public boolean onDoubleTapEvent(MotionEvent e) {
  Log.e("TAG", "====onDoubleTapEvent=====");
  return super.onDoubleTapEvent(e);
 }

 @Override
 public boolean onSingleTapConfirmed(MotionEvent e) {
  Log.e("TAG", "====onSingleTapConfirmed=====");
  return super.onSingleTapConfirmed(e);
 }

 @Override
 public boolean onContextClick(MotionEvent e) {
  Log.e("TAG", "====onContextClick=====");
  return super.onContextClick(e);
 }

 @Override
 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
  Log.e("TAG", "====onFling=====");
  Log.e("TAG", "velocityX===>"+velocityX);
  Log.e("TAG", "velocityY===>"+velocityY);
  return super.onFling(e1, e2, velocityX, velocityY);

 }
};

 public boolean onTouchEvent(MotionEvent ev) {
  if (mDoubleTapListener != null) {
    boolean hadTapMessage = mHandler.hasMessages(TAP);
    if (hadTapMessage) mHandler.removeMessages(TAP);
    if ((mCurrentDownEvent != null) && (mPreviousUpEvent != null) && hadTapMessage &&
      isConsideredDoubleTap(mCurrentDownEvent, mPreviousUpEvent, ev)) {
     // This is a second tap
     mIsDoubleTapping = true;
     // Give a callback with the first tap of the double-tap
     handled |= mDoubleTapListener.onDoubleTap(mCurrentDownEvent);
     // Give a callback with down event of the double-tap
     handled |= mDoubleTapListener.onDoubleTapEvent(ev);
    } else {
     // This is a first tap
     mHandler.sendEmptyMessageDelayed(TAP, DOUBLE_TAP_TIMEOUT);
    }
   }

   mDownFocusX = mLastFocusX = focusX;
   mDownFocusY = mLastFocusY = focusY;
   if (mCurrentDownEvent != null) {
    mCurrentDownEvent.recycle();
   }
   mCurrentDownEvent = MotionEvent.obtain(ev);
   mAlwaysInTapRegion = true;
   mAlwaysInBiggerTapRegion = true;
   mStillDown = true;
   mInLongPress = false;
   mDeferConfirmSingleTap = false;

   if (mIsLongpressEnabled) {
    mHandler.removeMessages(LONG_PRESS);
    mHandler.sendEmptyMessageAtTime(LONG_PRESS, mCurrentDownEvent.getDownTime()
      + TAP_TIMEOUT + LONGPRESS_TIMEOUT);
   }
   mHandler.sendEmptyMessageAtTime(SHOW_PRESS, mCurrentDownEvent.getDownTime() + TAP_TIMEOUT);
   handled |= mListener.onDown(ev);
   break;

 }

@Override
  public boolean onDown(MotionEvent e) {
   Log.e("TAG", "====onDown=====");
   return super.onDown(e);
  }

public boolean onDown(MotionEvent e) {
   return false;
  }

 @Override
 public boolean onTouchEvent(MotionEvent event) {
  return detector.onTouchEvent(event);
 }

 <com.leo.gestureimageview.MatrixImageView
  android:clickable="true"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:scaleType="matrix"
  />

@Override
 public boolean onTouchEvent(MotionEvent event) {

  return detector.onTouchEvent(event);
 }

 @Override
 public boolean onTouchEvent(MotionEvent event) {
  detector.onTouchEvent(event);
  return super.onTouchEvent(event);
 }

@Override
 public boolean onTouchEvent(MotionEvent event) {
  return detector.onTouchEvent(event);
 }

 @Override
  public boolean onDown(MotionEvent e) {
   Log.e("TAG", "====onDown=====");
   return true;
  }

package com.leo.gestureimageview;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.widget.ImageView;

public class MatrixImageView extends ImageView {
 private Matrix currMatrix;
 private GestureDetector detector;
 public MatrixImageView(Context context, AttributeSet attrs) {
 super(context, attrs);
 initView();
 detector=new GestureDetector(context,onGestureListener);
 }

 private void initView() {
 currMatrix = new Matrix();
 DisplayMetrics dm = getResources().getDisplayMetrics();
 Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.mipmap.test);
 bitmap = Bitmap.createScaledBitmap(bitmap, dm.widthPixels, dm.heightPixels, true);
 setImageBitmap(bitmap);
 }
 @Override
 public boolean onTouchEvent(MotionEvent event) {
 return detector.onTouchEvent(event);
 }
 private float currX;
 private float currY;
 private GestureDetector.SimpleOnGestureListener onGestureListener=new GestureDetector.SimpleOnGestureListener(){
 @Override
 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
  Log.e("TAG", "====onScroll=====");
  Log.e("TAG", "distanceX===>"+distanceX);
  Log.e("TAG", "distanceY===>"+distanceY);
  currX-=distanceX;
  currY-=distanceY;
  currMatrix.reset();
  currMatrix.postTranslate(currX,currY);
  setImageMatrix(currMatrix);
  return super.onScroll(e1, e2, distanceX, distanceY);
 }

 };
}