android手指按下怎么让图片轮播暂停
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利用Android的ViewFlipper和AnimationUtils实现图片带有动画的轮播切换，其中当点击“上一张”图片时，切换到上一张图片；当点击“下一张”图片时，切换到下一张图片。其效果图如下：
ViewFlipper类和WindowManager类
animation动画效果translate和alpha
方法/步骤
1
设置布局文件，其内容如下：
activity_image_flipper_shade.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android=""
xmlns:tools=""
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/background"
android:paddingBottom="@dimen/activity_optopns_vertical_margin"
android:paddingLeft="@dimen/activity_options_horizontal_margin"
android:paddingRight="@dimen/activity_options_horizontal_margin"
android:paddingTop="@dimen/activity_optopns_vertical_margin"
tools:context=".ImageFlipperActivity" >
<RelativeLayout
android:id="@id/rl_image_flipper_shade_title"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<Button
android:id="@+id/btn_image_flipper_shade_back"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_marginBottom="10dp"
android:background="@drawable/custom_button"
android:text="@string/back"
android:textColor="@color/textColor"
android:textSize="16sp"
android:visibility="visible" />
<TextView
android:id="@id/tv_image_flipper_shade_title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:text="@string/image_flipper_shade"
android:textColor="@color/textColor"
android:textSize="30sp"
android:textStyle="bold" />
</RelativeLayout>
<LinearLayout
android:id="@id/ll_image_flipper_shade_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="@id/rl_image_flipper_shade_title"
android:layout_marginBottom="20dp"
android:layout_marginTop="20dp"
android:gravity="center"
android:orientation="vertical" >
<ViewFlipper
android:id="@id/vf_image_flipper_shade"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
</RelativeLayout>
2
动画效果配置文件，其内容如下：
A.push_left_in.xml（从左边进入屏幕）
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="" >
<!-- translate：画面转换位置移动动画效果 -->
<translate
android:ration="500"
android:fromXDelta="100%p"
android:toXDelta="0" />
<!-- alpha：渐变透明度动画效果 -->
<alpha
android:ration="500"
android:fromAlpha="0.1"
android:toAlpha="1.0" />
<!-- scale：渐变尺寸伸缩动画效果 -->
<!-- rotate：画面转换位置移动动画效果 -->
</set>
B.push_left_out.xml（从左边退出屏幕）
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" >
<translate
android:ration="500"
android:fromXDelta="0"
android:toXDelta="-100%p" />
<alpha
android:ration="500"
android:fromAlpha="1.0"
android:toAlpha="0.1" />
</set>
C.push_right_in.xml（从右边进入屏幕）
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" >
<translate
android:ration="500"
android:fromXDelta="-100%p"
android:toXDelta="0" />
<alpha
android:ration="500"
android:fromAlpha="0.1"
android:toAlpha="1.0" />
</set>
D.push_right_out.xml（从右边退出屏幕）
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" >
<translate
android:ration="500"
android:fromXDelta="0"
android:toXDelta="100%p" />
<alpha
android:ration="500"
android:fromAlpha="1.0"
android:toAlpha="0.1" />
</set>
Android实现图片轮播切换
3
实现图片轮播切换的类为ImageFlipperShadeActivity.java，其内容为：
/**
*
*/
package com.i114gbox.aglieguy;
import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.PixelFormat;
import android.os.Bundle;
import android.os.Handler;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.WindowManager;
import android.view.WindowManager.LayoutParams;
import android.view.animation.AnimationUtils;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ViewFlipper;
import com.i114gbox.sdk.activity.I114gBoxActivity;
import com.i114gbox.sdk.utils.I114gBoxCollectActivityUtils;
import com.i114gbox.sdk.utils.I114gBoxLogUtils;
import com.i114gbox.sdk.utils.I114gBoxResourceUtils;
/**
* 图片滑动渐变Activity
*
* @author SJC
*
*/
public class ImageFlipperShadeActivity extends I114gBoxActivity {
private static String TAG = "ImageFlipperShadeActivity";
private Context ctx = null;
private ViewFlipper viewFlipper;// 视图轮播
private WindowManager windowManager;// 窗口管理器
private WindowManager.LayoutParams layoutParams;// 布局参数
private boolean isHide;
private int mAlpha = 0;
// 左边图片视图
private ImageView leftImageView;
// 右边图片视图
private ImageView rightImageView;
private int WHAT_HIDE = 0;
private int WHAT_SHOW = 1;
@Override
protected void onCreate(Bundle savedInstanceState) {
I114gBoxLogUtils.d(TAG, "The onCreate method execute.");
super.onCreate(savedInstanceState);
I114gBoxCollectActivityUtils.getInstance().addActivity(this);// 收集Activity
ctx = this;
setContentView(I114gBoxResourceUtils.getLayoutId(ctx,
"activity_image_flipper_shade"));
viewFlipper = (ViewFlipper) findViewById(I114gBoxResourceUtils.getId(
ctx, "vf_image_flipper_shade"));
viewFlipper.addView(addImageView(I114gBoxResourceUtils.getDrawableId(
ctx, "flipper_01")));
viewFlipper.addView(addImageView(I114gBoxResourceUtils.getDrawableId(
ctx, "flipper_02")));
viewFlipper.addView(addImageView(I114gBoxResourceUtils.getDrawableId(
ctx, "flipper_03")));
viewFlipper.addView(addImageView(I114gBoxResourceUtils.getDrawableId(
ctx, "flipper_04")));
viewFlipper.addView(addImageView(I114gBoxResourceUtils.getDrawableId(
ctx, "flipper_05")));
viewFlipper.addView(addImageView(I114gBoxResourceUtils.getDrawableId(
ctx, "flipper_06")));
Button backButton = (Button) findViewById(I114gBoxResourceUtils.getId(
ctx, "btn_image_flipper_shade_back"));
backButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
finish();
}
});
