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SlideImage_SecondVersion
package com.example.ted.parallellistview;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Matrix;
import android.graphics.Point;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.util.Log;
import android.view.Display;
import android.view.WindowManager;
import android.widget.ImageView;
import de.greenrobot.event.EventBus;
/**
* Created by ted on 14/12/9.
*/
public class MyImageView extends ImageView {
private int MAXIMUM_SHIFT = 100;
public static class ChangeYEvent {
public ChangeYEvent(int dy) {
this.dy = dy;
}
private int dy;
public int getDy() {
return dy;
}
}
private int mHeight;
private int mWidth;
private int mScreenHeight;
public MyImageView(Context context) {
super(context);
init();
}
public MyImageView(Context context, AttributeSet attrs) {
super(context, attrs);
init();
}
public MyImageView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init();
}
private void init() {
WindowManager wm = (WindowManager) getContext().getSystemService(Context.WINDOW_SERVICE);
Display display = wm.getDefaultDisplay();
Point size = new Point();
display.getSize(size);
mWidth = size.x;
mHeight = size.y;
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
setMeasuredDimension(mWidth, 300);
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
EventBus.getDefault().register(this);
}
//
//Not Trigger
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
EventBus.getDefault().unregister(this);
}
public void onEventMainThread(ChangeYEvent event) {
if(event.getDy() >= mHeight/2 && event.getDy() <= mHeight/2 + 100){
setScrollY((event.getDy() - mHeight/2)/3);
}else if (event.getDy() <= mHeight/2 && event.getDy() >= mHeight/2 - 100){
setScrollY((event.getDy() - mHeight/2)/3);
}
}
}
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