Simple ViewFlipper instance in Android

Simple ViewFlipper instance in Android

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Main. java

package com.wty.mydemoviewflipper;import android.app.Activity;import android.os.Bundle;import com.wty.mydemoviewflipper.wiget.ViewFlipperView;public class Main extends Activity {    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(new ViewFlipperView(this));    }}

IAdImages. java

Package com. wty. mydemoviewflipper. wiget; import com. wty. mydemoviewflipper. r;/*** image information interface * @ author vhreal **/public interface IAdImages {/*** advertisement image */int [] adImages = {R. drawable. img01, R. drawable. img02, R. drawable. img03, R. drawable. img04, R. drawable. img05, R. drawable. img06, R. drawable. img07, R. drawable. img08, R. drawable. img09, R. drawable. img10 };}

ViewFlipperView. java

Package com. wty. mydemoviewflipper. wiget; import android. content. context; import android. view. gravity; import android. view. motionEvent; import android. view. animation. animation; import android. view. animation. translateAnimation; import android. widget. frameLayout; import android. widget. imageView; import android. widget. linearLayout; import android. widget. viewFlipper; import com. wty. mydemoviewflipper. r;/*** This is a class It is similar to the wightet of ViewFlipper. * @ Author vhreal **/public class ViewFlipperView extends FrameLayout implements IAdImages {private Context context Context; // the caller's context private int currentAdImgIndex; // The current advertisement image index private Animation attributes; // enter the screen Animation private Animation left2RightOutAnimation from left to right; // enter the screen Animation private Animation right2LeftInAnimation from left to right; // enter the screen Animation private Animation right2LeftOutAnimation from right to left; // enter the screen Animation private int animationDuration = 300 from right to left; // animation takes 1000 milliseconds private ViewFlipper mViewFlipper; // sliding the page control private LinearLayout mTipLinearLayout; // the following point control private float startX = 0; // private float endX = 0 when touch action is down; // public ViewFlipperView (Context context) {super (context); this. context = context; setView ();}/*** display View */private void setView () {// initialize int screenWidth = getResources (). getDisplayMetrics (). widthPixels; mViewFlipper = new ViewFlipper (context); mTipLinearLayout = new LinearLayout (context); // initialize the animation watermark = new TranslateAnimation (-screenWidth, 0, 0, 0); trim. setDuration (animationDuration); left2RightOutAnimation = new TranslateAnimation (0, screenWidth, 0, 0); left2RightOutAnimation. setDuration (animationDuration); right2LeftInAnimation = new TranslateAnimation (screenWidth, 0, 0); right2LeftInAnimation. setDuration (animationDuration); right2LeftOutAnimation = new TranslateAnimation (0,-screenWidth, 0, 0); right2LeftOutAnimation. setDuration (animationDuration); // Add the ad image to ViewFlipper for (int I = 0; I 0 & endX> startX) {// view the previous page of the AD mViewFlipper. setInAnimation (left2RightInAnimation); mViewFlipper. setOutAnimation (left2RightOutAnimation); mViewFlipper. showPrevious (); currentAdImgIndex --; if (currentAdImgIndex <0) {currentAdImgIndex = 0 ;}} if (currentAdImgIndex <adImages. length-1 & endX <startX) {// view the advertisement mViewFlipper on the last page. setInAnimation (right2LeftInAnimation); mViewFlipper. setOutAnimation (right2LeftOutAnimation); mViewFlipper. showNext (); currentAdImgIndex ++; if (currentAdImgIndex> adImages. length-1) {currentAdImgIndex = adImages. length-1 ;}}// according to currentAdImgIndex, change the status of the bottom vertex ImageView currTipImageView = (ImageView) mTipLinearLayout. getChildAt (currentAdImgIndex); lastTipImageView. setImageResource (R. drawable. point_normal); currTipImageView. setImageResource (R. drawable. point_selected); break;} return true ;}}