Android Pictures move left and right

This blog post, is on the basis of the previous revision, this time is to control the picture left and right move, moving up and down like it is not written

package com.yuanlp.testimage;import android.graphics.bitmap;import  Android.graphics.bitmapfactory;import android.graphics.canvas;import android.graphics.color;import  android.graphics.Matrix;import android.graphics.Paint;import android.os.Bundle;import  android.support.v7.app.appcompatactivity;import android.view.view;import android.widget.imageview; Public class mainactivity extends appcompatactivity {    private  imageview iv;    private int dx=0;  //the distance from the left shift       @Override     protected void oncreate (bundle savedinstancestate)  {        super.oncreate (savedinstancestate);         setcontentview (r.layout.activity_main2);         iv =  (ImageView)  findviewbyid(R.ID.IV);     }    public void turnbig (View view) {         bitmap bitmap = bitmapfactory.decoderesource ( Getresources (),  R.DRAWABLE.MEINV);         matrix matrix=new  matrix ();         matrix.setscale (2,2),   //magnification four times times, horizontal direction twice times, Twice times the vertical direction         //buy a piece of paper          Bitmap bitmap1 = bitmap.createbitmap (Bitmap.getwidth ()  * 2, bitmap.getheight ()  * 2, bitmap.getconfig ())         //buy an artboard          canvas canvas = new canvas (BITMAP1);         //Copy Session         paint paint =  new paint ();          paint.setcolor (Color.Black);         canvas.drawbitmap (bitmap,matrix,paint);         //incoming new paper         iv.setimagebitmap (BITMAP1);    }     public void turnsmall (View view) {         bitmap bitmap = bitmapfactory.decoderesource (Getresources (),  R.DRAWABLE.MEINV);         matrix matrix=new matrix ();         matrix.setscale (0.5f,0.5f);         //buy a paper          bitmap bitmap1 = bitmap.createbitmap (Bitmap.getWidth ( )  / 2, bitmap.getheight ()  / 2, bitmap.getconfig ());         //buy an artboard          canvas canvas=new canvas (BITMAP1);         paint paint=new paint ();         paint.setcolor (Color.Black);         canvas.drawbitmap (Bitmap, Matrix,paint);         iv.setimagebitmap (BITMAP1);     }    public void turnleft (View view) {         bitmap bitmap = bitmapfactory.decoderesource (GetResources (),  R.DRAWABLE.MEINV)         dx--;  //Each click, move left          matrix matrix=new matrix ();         matrix.settranslate (dx,0);   //not moving in vertical direction, only left movement          //Buy a paper      &nbsP;  bitmap bitmap1 = bitmap.createbitmap (Bitmap.getwidth (),  bitmap.getHeight (),  bitmap.getconfig ())         //buy an artboard          canvas canvas=new canvas (BITMAP1);         Paint paint=new paint ();         canvas.drawcolor (Color.WHITE );         paint.setcolor (Color.Black);         canvas.drawbitmap (Bitmap,matrix,paint);         Iv.setimagebitmap (BITMAP1);     }    public void turnright ( View view) {        bitmap bitmap =  Bitmapfactory.decoderesource (Getresources (),  R.DRAWABLE.MEINV);         dx++;  //Each click, move to the left &Nbsp;       matrix matrix=new matrix ();         matrix.settranslate (dx,0);   //not moving in vertical direction, only left movement          //Buy a paper         Bitmap bitmap1 =  Bitmap.createbitmap (Bitmap.getwidth (),  bitmap.getheight (),  bitmap.getconfig ());         //buy an artboard         canvas canvas=new  canvas (BITMAP1);         paint paint=new paint ();         canvas.drawcolor (Color.White);         paint.setcolor (Color.Black);         canvas.drawbitmap ( Bitmap,matrix,paint);         iv.setimagebitmap (BITMAP1);     }}

This article is from the "Yuangushi" blog, make sure to keep this source http://cm0425.blog.51cto.com/10819451/1943890

Android Pictures move left and right