android viewFlipper 循环播放图片
2016-06-14 18:07
399 查看
1、四个动画文件 ,左边进入
2、代码实现
package com.homer.viewflipper;
import android.app.Activity;
import android.os.Bundle;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.ViewGroup.LayoutParams;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.ImageView;
import android.widget.ViewFlipper;
public class ViewFlipperActivity extends Activity implements android.view.GestureDetector.OnGestureListener {
private int[] imgs = { R.drawable.img1, R.drawable.img2,
R.drawable.img3, R.drawable.img4, R.drawable.img5 };
private GestureDetector gestureDetector = null;
private ViewFlipper viewFlipper = null;
private Activity mActivity = null;
private boolean flag = true;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
viewFlipper = (ViewFlipper) findViewById(R.id.viewflipper);
gestureDetector = new GestureDetector(this); // 声明检测手势事件
for (int i = 0; i < imgs.length; i++) { // 添加图片源
ImageView iv = new ImageView(this);
iv.setImageResource(imgs[i]);
iv.setScaleType(ImageView.ScaleType.FIT_XY);
viewFlipper.addView(iv, new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));
}
viewFlipper.setAutoStart(true); // 设置自动播放功能(点击事件,前自动播放)
viewFlipper.setFlipInterval(2000); //时间间隔
if(viewFlipper.isAutoStart() && !viewFlipper.isFlipping()){
viewFlipper.startFlipping();
}
}
@Override
public boolean onTouchEvent(MotionEvent event) {
switch(event.getAction()){
case MotionEvent.ACTION_DOWN:
if(flag == true){
viewFlipper.stopFlipping(); // 点击事件后,停止自动播放
viewFlipper.setAutoStart(false);
flag = false;
} else if(flag == false){
viewFlipper.startFlipping(); //再次点击又就播放
viewFlipper.setAutoStart(true);
flag = true;
}
}
return gestureDetector.onTouchEvent(event); // 注册手势事件
}
// 用户按下触摸屏、快速移动后松开,由1个MotionEvent ACTION_DOWN, 多个ACTION_MOVE, 1个ACTION_UP触发
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
if (e2.getX() - e1.getX() > 120) { // 从左向右滑动(左进右出)
Animation rInAnim = AnimationUtils.loadAnimation(mActivity, R.anim.push_right_in); // 向右滑动左侧进入的渐变效果(alpha 0.1 -> 1.0)
Animation rOutAnim = AnimationUtils.loadAnimation(mActivity, R.anim.push_right_out); // 向右滑动右侧滑出的渐变效果(alpha 1.0 -> 0.1)
viewFlipper.setInAnimation(rInAnim);
viewFlipper.setOutAnimation(rOutAnim);
viewFlipper.showPrevious();
return true;
} else if (e2.getX() - e1.getX() < -120) { // 从右向左滑动(右进左出)
Animation lInAnim = AnimationUtils.loadAnimation(mActivity, R.anim.push_left_in); // 向左滑动左侧进入的渐变效果(alpha 0.1 -> 1.0)
Animation lOutAnim = AnimationUtils.loadAnimation(mActivity, R.anim.push_left_out); // 向左滑动右侧滑出的渐变效果(alpha 1.0 -> 0.1)
viewFlipper.setInAnimation(lInAnim);
viewFlipper.setOutAnimation(lOutAnim);
viewFlipper.showNext();
return true;
}
return true;
}
/**
* 用户轻触触摸屏,由1个MotionEvent ACTION_DOWN触发
*/
@Override
public boolean onDown(MotionEvent e) {
return false;
}
// 用户长按触摸屏,由多个MotionEvent ACTION_DOWN触发
@Override
public void onLongPress(MotionEvent e) {
}
// 用户按下触摸屏,并拖动,由1个MotionEvent ACTION_DOWN, 多个ACTION_MOVE触发
@Override
public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
return false;
}
/* Touch了还没有滑动时触发
* (1)onDown只要Touch Down一定立刻触发
* (2)Touch Down后过一会没有滑动先触发onShowPress再触发onLongPress
* So: Touch Down后一直不滑动,onDown -> onShowPress -> onLongPress这个顺序触发。
*/
@Override
public void onShowPress(MotionEvent e) {
}
/*
* 两个函数都是在Touch Down后又没有滑动(onScroll),又没有长按(onLongPress),然后Touch Up时触发
* 点击一下非常快的(不滑动)Touch Up: onDown->onSingleTapUp->onSingleTapConfirmed
* 点击一下稍微慢点的(不滑动)Touch Up: onDown->onShowPress->onSingleTapUp->onSingleTapConfirmed
*/
@Override
public boolean onSingleTapUp(MotionEvent e) {
return false;
}
}
3、布局代码:
<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android" > <translate android:duration="1500" android:fromXDelta="100%p" android:toXDelta="0" /> <alpha android:duration="1500" android:fromAlpha="0.1" android:toAlpha="1.0" /> </set>左边出去:
<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android" > <translate android:duration="1500" android:fromXDelta="0" android:toXDelta="-100%p" /> <alpha android:duration="1500" android:fromAlpha="1.0" android:toAlpha="0.1" /> </set>右边进去:
<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android" > <translate android:duration="1500" android:fromXDelta="-100%p" android:toXDelta="0" /> <alpha android:duration="1500" android:fromAlpha="0.1" android:toAlpha="1.0" /> </set>右边出去:
<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android" > <translate android:duration="1500" android:fromXDelta="0" android:toXDelta="100%p" /> <alpha android:duration="1500" android:fromAlpha="1.0" android:toAlpha="0.1" /> </set>
2、代码实现
package com.homer.viewflipper;
import android.app.Activity;
import android.os.Bundle;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.ViewGroup.LayoutParams;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.ImageView;
import android.widget.ViewFlipper;
public class ViewFlipperActivity extends Activity implements android.view.GestureDetector.OnGestureListener {
private int[] imgs = { R.drawable.img1, R.drawable.img2,
R.drawable.img3, R.drawable.img4, R.drawable.img5 };
private GestureDetector gestureDetector = null;
private ViewFlipper viewFlipper = null;
private Activity mActivity = null;
private boolean flag = true;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
viewFlipper = (ViewFlipper) findViewById(R.id.viewflipper);
gestureDetector = new GestureDetector(this); // 声明检测手势事件
for (int i = 0; i < imgs.length; i++) { // 添加图片源
ImageView iv = new ImageView(this);
iv.setImageResource(imgs[i]);
iv.setScaleType(ImageView.ScaleType.FIT_XY);
viewFlipper.addView(iv, new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));
}
viewFlipper.setAutoStart(true); // 设置自动播放功能(点击事件,前自动播放)
viewFlipper.setFlipInterval(2000); //时间间隔
if(viewFlipper.isAutoStart() && !viewFlipper.isFlipping()){
viewFlipper.startFlipping();
}
}
@Override
public boolean onTouchEvent(MotionEvent event) {
switch(event.getAction()){
case MotionEvent.ACTION_DOWN:
if(flag == true){
viewFlipper.stopFlipping(); // 点击事件后,停止自动播放
viewFlipper.setAutoStart(false);
flag = false;
} else if(flag == false){
viewFlipper.startFlipping(); //再次点击又就播放
viewFlipper.setAutoStart(true);
flag = true;
}
}
return gestureDetector.onTouchEvent(event); // 注册手势事件
}
// 用户按下触摸屏、快速移动后松开,由1个MotionEvent ACTION_DOWN, 多个ACTION_MOVE, 1个ACTION_UP触发
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
if (e2.getX() - e1.getX() > 120) { // 从左向右滑动(左进右出)
Animation rInAnim = AnimationUtils.loadAnimation(mActivity, R.anim.push_right_in); // 向右滑动左侧进入的渐变效果(alpha 0.1 -> 1.0)
Animation rOutAnim = AnimationUtils.loadAnimation(mActivity, R.anim.push_right_out); // 向右滑动右侧滑出的渐变效果(alpha 1.0 -> 0.1)
viewFlipper.setInAnimation(rInAnim);
viewFlipper.setOutAnimation(rOutAnim);
viewFlipper.showPrevious();
return true;
} else if (e2.getX() - e1.getX() < -120) { // 从右向左滑动(右进左出)
Animation lInAnim = AnimationUtils.loadAnimation(mActivity, R.anim.push_left_in); // 向左滑动左侧进入的渐变效果(alpha 0.1 -> 1.0)
Animation lOutAnim = AnimationUtils.loadAnimation(mActivity, R.anim.push_left_out); // 向左滑动右侧滑出的渐变效果(alpha 1.0 -> 0.1)
viewFlipper.setInAnimation(lInAnim);
viewFlipper.setOutAnimation(lOutAnim);
viewFlipper.showNext();
return true;
}
return true;
}
/**
* 用户轻触触摸屏,由1个MotionEvent ACTION_DOWN触发
*/
@Override
public boolean onDown(MotionEvent e) {
return false;
}
// 用户长按触摸屏,由多个MotionEvent ACTION_DOWN触发
@Override
public void onLongPress(MotionEvent e) {
}
// 用户按下触摸屏,并拖动,由1个MotionEvent ACTION_DOWN, 多个ACTION_MOVE触发
@Override
public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
return false;
}
/* Touch了还没有滑动时触发
* (1)onDown只要Touch Down一定立刻触发
* (2)Touch Down后过一会没有滑动先触发onShowPress再触发onLongPress
* So: Touch Down后一直不滑动,onDown -> onShowPress -> onLongPress这个顺序触发。
*/
@Override
public void onShowPress(MotionEvent e) {
}
/*
* 两个函数都是在Touch Down后又没有滑动(onScroll),又没有长按(onLongPress),然后Touch Up时触发
* 点击一下非常快的(不滑动)Touch Up: onDown->onSingleTapUp->onSingleTapConfirmed
* 点击一下稍微慢点的(不滑动)Touch Up: onDown->onShowPress->onSingleTapUp->onSingleTapConfirmed
*/
@Override
public boolean onSingleTapUp(MotionEvent e) {
return false;
}
}
3、布局代码:
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <ViewFlipper android:id="@+id/viewflipper" android:layout_width="fill_parent" android:layout_height="fill_parent"/> </LinearLayout>代码下载地址:点击打开链接
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