小程序源码 手势滑动源码（适合新手）.zip

package com.hll.ViewFlipperTest; import android.app.Activity; import android.os.Bundle; import android.view.GestureDetector; import android.view.MotionEvent; import android.view.View; import android.view.GestureDetector.OnDoubleTapListener; import android.view.GestureDetector.OnGestureListener; import android.view.View.OnTouchListener; import android.view.animation.AccelerateInterpolator; import android.view.animation.Animation; import android.view.animation.TranslateAnimation; import android.widget.Button; import android.widget.ListView; import android.widget.TextView; import android.widget.ViewFlipper; public class ViewFlipperTest extends Activity implements OnTouchListener, OnGestureListener, OnDoubleTapListener { private ViewFlipper mFlipper; GestureDetector mGestureDetector; private int mCurrentLayoutState; private static final int FLING_MIN_DISTANCE = 100; private static final int FLING_MIN_VELOCITY = 200; TextView counttv; Button buttonNext1 = null, buttonNext2 = null; ListView lv1 = null, lv2 = null; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); findView(); setListener(); } public void findView() { mFlipper = (ViewFlipper) findViewById(R.id.details); // 注册一个用于手势识别的类 mGestureDetector = new GestureDetector(this); mCurrentLayoutState = 0; // 允许长按住ViewFlipper,这样才能识别拖动等手势 mFlipper.setLongClickable(true); counttv = (TextView) findViewById(R.id.counttv); buttonNext1 = (Button) findViewById(R.id.Button_next1); buttonNext2 = (Button) findViewById(R.id.Button_next2); lv1 = (ListView) findViewById(R.id.list1); // lv2 = (ListView) findViewById(R.id.list2); lv1.setAdapter(new HgroupAdapter(this,null,0)); } public void setListener() { // 给mFlipper设置一个listener mFlipper.setOnTouchListener(this); lv1.setOnTouchListener(this); counttv.setText("9"); buttonNext1.setOnClickListener(new View.OnClickListener() { public void onClick(View view) { mFlipper.showNext(); counttv.setText("7"); } }); buttonNext2.setOnClickListener(new View.OnClickListener() { public void onClick(View view) { mFlipper.showNext(); counttv.setText("8"); } }); } /** * 此方法在本例中未用到，可以指定跳转到某个页面 */ public void switchLayoutStateTo(int switchTo) { while (mCurrentLayoutState != switchTo) { if (mCurrentLayoutState > switchTo) { mCurrentLayoutState--; mFlipper.setInAnimation(inFromLeftAnimation()); mFlipper.setOutAnimation(outToRightAnimation()); mFlipper.showPrevious(); } else { mCurrentLayoutState++; mFlipper.setInAnimation(inFromRightAnimation()); mFlipper.setOutAnimation(outToLeftAnimation()); mFlipper.showNext(); } } ; } /** * 定义从右侧进入的动画效果 * @return */ protected Animation inFromRightAnimation() { Animation inFromRight = new TranslateAnimation( Animation.RELATIVE_TO_PARENT, +1.0f, Animation.RELATIVE_TO_PARENT, 0.0f, Animation.RELATIVE_TO_PARENT, 0.0f, Animation.RELATIVE_TO_PARENT, 0.0f); inFromRight.setDuration(500); inFromRight.setInterpolator(new AccelerateInterpolator()); return inFromRight; } /** * 定义从左侧退出的动画效果 * @return */ protected Animation outToLeftAnimation() { Animation outtoLeft = new TranslateAnimation( Animation.RELATIVE_TO_PARENT, 0.0f, Animation.RELATIVE_TO_PARENT, -1.0f, Animation.RELATIVE_TO_PARENT, 0.0f, Animation.RELATIVE_TO_PARENT, 0.0f); outtoLeft.setDuration(500); outtoLeft.setInterpolator(new AccelerateInterpolator()); return outtoLeft; } /** * 定义从左侧进入的动画效果 * @return */ protected Animation inFromLeftAnimation() { Animation inFromLeft = new TranslateAnimation( Animation.RELATIVE_TO_PARENT, -1.0f, Animation.RELATIVE_TO_PARENT, 0.0f, Animation.RELATIVE_TO_PARENT, 0.0f, Animation.RELATIVE_TO_PARENT, 0.0f); inFromLeft.setDuration(500); inFromLeft.setInterpolator(new AccelerateInterpolator()); return inFromLeft; } /** * 定义从右侧退出时的动画效果 * @return */ protected Animation outToRightAnimation() { Animation outtoRight = new TranslateAnimation( Animation.RELATIVE_TO_PARENT, 0.0f, Animation.RELATIVE_TO_PARENT, +1.0f, Animation.RELATIVE_TO_PARENT, 0.0f, Animation.RELATIVE_TO_PARENT, 0.0f); outtoRight.setDuration(500); outtoRight.setInterpolator(new AccelerateInterpolator()); return outtoRight; } public boolean onDown(MotionEvent e) { // TODO Auto-generated method stub return false; } /* * * 用户按下触摸屏、快速移动后松开即触发这个事件 * e1：第1个ACTION_DOWN MotionEvent * * e2：最后一个ACTION_MOVE MotionEvent * velocityX：X轴上的移动速度，像素/秒 * * velocityY：Y轴上的移动速度，像素/秒 * 触发条件 ： * * X轴的坐标位移大于FLING_MIN_DISTANCE，且移动速度大于FLING_MIN_VELOCITY个像素/秒 */ public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { if (e1.getX() - e2.getX() > FLING_MIN_DISTANCE && Math.abs(velocityX) > FLING_MIN_VELOCITY) { // 当像左侧滑动的时候 //设置View进入屏幕时候使用的动画 mFlipper.setInAnimation(inFromRightAnimation()); // 设置View退出屏幕时候使用的动画 mFlipper.setOutAnimation(outToLeftAnimation()); mFlipper.showNext(); } else if (e2.getX() - e1.getX() > FLING_MIN_DISTANCE && Math.abs(velocityX) > FLING_MIN_VELOCITY) { // 当像右侧滑动的时候 mFlipper.setInAnimation(inFromLeftAnimation()); mFlipper.setOutAnimation(outToRightAnimation()); mFlipper.showPrevious(); } return false; } public void onLongPress(MotionEvent e) { // TODO Auto-generated method stub } public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { return false; } public void onShowPress(MotionEvent e) { // TODO Auto-generated method stub } public boolean onSingleTapUp(MotionEvent e) { // TODO Auto-generated method stub return false; } public boolean onTouch(View v, MotionEvent event) { // 一定要将触屏事件交给手势识别类去处理（自己处理会很麻烦的） return mGestureDetector.onTouchEvent(event); } public boolean onDoubleTap(MotionEvent e) { // TODO Auto-generated method stub return false; } public boolean onDoubleTapEvent(MotionEvent e) { // TODO Auto-generated method stub return false; } public boolean onSingleTapConfirmed(MotionEvent e) { // TODO Auto-generated method stub return false; } }