使用很简单，只需继承SupportActivity，并在清单中加入android:theme="@android:style/Theme.Translucent"即可
package com.support;
import com.nineoldandroids.animation.Animator;
import com.nineoldandroids.animation.AnimatorListenerAdapter;
import com.nineoldandroids.animation.ObjectAnimator;
import com.nineoldandroids.animation.ValueAnimator;
import com.nineoldandroids.animation.ValueAnimator.AnimatorUpdateListener;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.graphics.Color;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewConfiguration;
import android.view.Window;
import android.view.WindowManager;
import android.widget.FrameLayout;
/**
* 基类，所有Activity必须继承该Activity，并在清单中声明，</br>
* 例 <activity android:name="com.support.test.TwoActivity" android:theme="@android:style/Theme.Translucent"/>
*
* </br></br>
* 不要在application节点和默认启动Activity下使用 android:theme="@android:style/Theme.Translucent"
* @author Young
*
*/
public abstract class SupportActivity extends Activity {
private boolean isTouchable=true;//是否可以右划返回，默认启动 的主Activity要设置为false
private FrameLayout rootView;
private static final String MAIN="android.intent.action.MAIN";
private int width ;//屏幕宽度
private final int time=200;//动画时长
public void setContentView(View root) {
addContainer(root);
}
public void setContentView(int layoutRes) {
addContainer(LayoutInflater.from(getApplicationContext()).inflate(layoutRes, null));
}
private void addContainer(View root) {
requestWindowFeature(Window.FEATURE_NO_TITLE);
Intent intent=getIntent();
//把用户要显示的界面加入到可右划的布局中
ContainerView frameLayout=new ContainerView(getApplicationContext());
frameLayout.setBackgroundColor(Color.parseColor("#88000000"));
frameLayout.addView(root);
rootView=frameLayout;
if (intent==null||MAIN.equals(intent.getAction())) {
frameLayout.canTouch(false);
isTouchable=false;
}
super.setContentView(rootView);
}
@Override
public void startActivity(Intent intent) {
// TODO Auto-generated method stub
super.startActivity(intent);
overridePendingTransition(0, 0);//取消用户设置的或系统默认的Activity切换动画
}
@Override
public void finish() {
if (isTouchable==false) {
super.finish();
overridePendingTransition(0, 0);//取消用户设置的或系统默认的Activity切换动画
return;
}
// TODO Auto-generated method stub
ObjectAnimator animator= ObjectAnimator.ofFloat(rootView.getChildAt(0), "translationX", 0,width);
animator.setDuration(time*2);
animator.addListener(new AnimatorListenerAdapter(){
@Override
public void onAnimationEnd(Animator animation) {
// TODO Auto-generated method stub
super.onAnimationEnd(animation);
endToFinish();
}
});
animator.addUpdateListener(new AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
// TODO Auto-generated method stub
Float cost=(Float) animation.getAnimatedValue();
float alp=(float) (1-cost/time/2 );
rootView.setAlpha(alp);
rootView.getChildAt(0).setAlpha(alp);
}
});
animator.start();
overridePendingTransition(0, 0);
}
private void endToFinish(){
super.finish();
}
@Override//取消用户设置的或系统默认的Activity切换动画
public void overridePendingTransition(int enterAnim, int exitAnim ) {
super.overridePendingTransition(0, 0);
}
/**
* 可右划的容器
* @author Young
*
*/
private final class ContainerView extends FrameLayout {
/**
* 按下时x坐标
*/
private float downX;
private float downY;
private Context context;
/**
* 左侧8dp为右划感应区域
*/
private final int scaledTouchSlop=8;
public ContainerView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
this.context=context;
getScreenWidth();
}
public ContainerView(Context context, AttributeSet attrs) {
super(context, attrs);
this.context=context;
getScreenWidth();
}
public ContainerView(Context context) {
super(context);
this.context=context;
getScreenWidth();
}
private void getScreenWidth() {
// TODO Auto-generated method stub
WindowManager wm = (WindowManager)context
.getSystemService(Context.WINDOW_SERVICE);
width = wm.getDefaultDisplay().getWidth();
}
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
if (ev.getAction()==MotionEvent.ACTION_DOWN) {
downX=ev.getRawX();
downY=ev.getRawX();
return super.onInterceptTouchEvent(ev);//交给子控件处理事件
}
if (ev.getAction()==MotionEvent.ACTION_MOVE) {
float x=ev.getRawX();
float y=ev.getRawX();
//ViewConfiguration.get(context).getScaledTouchSlop() 手机可以识别是最小滑动距离
if (x-downX>Math.abs(y-downY)&&Math.abs(x-downX)>=ViewConfiguration.get(context).getScaledTouchSlop()&&downX<dip2px(scaledTouchSlop ) ) {
return true;//交给自己的onTouchEvent(MotionEvent event)处理事件
}
}
return super.onInterceptTouchEvent(ev);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
// TODO Auto-generated method stub
if (isTouchable==false) {
return false;
}
switch (event.getAction()) {
case MotionEvent.ACTION_MOVE:
if (downX<dip2px(scaledTouchSlop)&&getChildCount()==1) {
getChildAt(0).setTranslationX(event.getRawX()-downX);
float alp=(float) ((event.getRawX()-downX)/width );
setAlpha(1-alp);
// getChildAt(0).setAlpha(1-alp/5);
}
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
if (downX<dip2px(scaledTouchSlop)&&getChildCount()==1) {
float t=getChildAt(0).getTranslationX();
if (t>width/2) {//
ObjectAnimator animator= ObjectAnimator.ofFloat(getChildAt(0), "translationX", t,width);
animator.setDuration(time);
ObjectAnimator.ofFloat(this, "translationX", t,width).setDuration(time).start();
animator.addListener(new AnimatorListenerAdapter(){
@Override
public void onAnimationEnd(Animator animation) {
// TODO Auto-generated method stub
super.onAnimationEnd(animation);
endToFinish();
}
});
animator.start();
}else{
ObjectAnimator animator= ObjectAnimator.ofFloat(getChildAt(0), "translationX", t,0);
animator.setDuration(time);
animator.addListener(new AnimatorListenerAdapter(){
@Override
public void onAnimationEnd(Animator animation) {
// TODO Auto-generated method stub
super.onAnimationEnd(animation);
getChildAt(0).setAlpha(1);
setAlpha(1);
}
});
animator.start();
}
}
break;
}
return true;
}
public int dip2px( float dpValue) {
final float scale = context.getResources().getDisplayMetrics().density;
return (int) (dpValue * scale + 0.5f);
}
public void canTouch(boolean flag) {
isTouchable=flag;
}
}
}
原文地址：http://blog.csdn.net/qingchunweiliang/article/details/45542545
