示例程序

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Sample/.classpath

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+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="gen"/>
+	<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
+	<classpathentry exported="true" kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
+	<classpathentry exported="true" kind="con" path="com.android.ide.eclipse.adt.DEPENDENCIES"/>
+	<classpathentry kind="output" path="bin/classes"/>
+</classpath>

Sample/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Sample__3D翻转</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>com.android.ide.eclipse.adt.ResourceManagerBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>com.android.ide.eclipse.adt.PreCompilerBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>com.android.ide.eclipse.adt.ApkBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>com.android.ide.eclipse.adt.AndroidNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

Sample/.settings/org.eclipse.jdt.core.prefs

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+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
+org.eclipse.jdt.core.compiler.compliance=1.6
+org.eclipse.jdt.core.compiler.source=1.6

Sample/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.sloop.fz3d"
+    android:versionCode="1"
+    android:versionName="1.0" >
+
+    <uses-sdk
+        android:minSdkVersion="11"
+        android:targetSdkVersion="22" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@drawable/ic_launcher"
+        android:label="@string/app_name"
+        android:theme="@style/AppTheme" >
+        <activity
+            android:theme="@android:style/Theme.Holo.Light"
+            android:name=".MainActivity"
+            android:label="@string/app_name" >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

Sample/gen/com/sloop/fz3d/BuildConfig.java

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+/** Automatically generated file. DO NOT MODIFY */
+package com.sloop.fz3d;
+
+public final class BuildConfig {
+    public final static boolean DEBUG = true;
+}

Sample/proguard-project.txt

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+# To enable ProGuard in your project, edit project.properties
+# to define the proguard.config property as described in that file.
+#
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in ${sdk.dir}/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the ProGuard
+# include property in project.properties.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}

Sample/project.properties

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+# This file is automatically generated by Android Tools.
+# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
+#
+# This file must be checked in Version Control Systems.
+#
+# To customize properties used by the Ant build system edit
+# "ant.properties", and override values to adapt the script to your
+# project structure.
+#
+# To enable ProGuard to shrink and obfuscate your code, uncomment this (available properties: sdk.dir, user.home):
+#proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt
+
+# Project target.
+target=android-22
+android.library.reference.1=../appcompat_v7

Sample/res/layout/activity_main.xml

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+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#cfcfcf" >
+
+    <ImageView
+        android:layout_marginTop="20dp"
+        android:layout_centerInParent="true"
+        android:id="@+id/iv_sloop"
+        android:layout_width="300dp"
+        android:layout_height="300dp"
+        android:src="@drawable/sloop" />
+
+</RelativeLayout>

Sample/res/menu/main.xml

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+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    tools:context="com.sloop.fz3d.MainActivity" >
+
+    <item
+        android:id="@+id/action_settings"
+        android:orderInCategory="100"
+        android:title="@string/action_settings"
+        app:showAsAction="never"/>
+
+</menu>

Sample/res/values-v11/styles.xml

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+<resources>
+
+    <!--
+        Base application theme for API 11+. This theme completely replaces
+        AppBaseTheme from res/values/styles.xml on API 11+ devices.
+    -->
+    <style name="AppBaseTheme" parent="Theme.AppCompat.Light">
+        <!-- API 11 theme customizations can go here. -->
+    </style>
+
+</resources>

Sample/res/values-v14/styles.xml

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+<resources>
+
+    <!--
+        Base application theme for API 14+. This theme completely replaces
+        AppBaseTheme from BOTH res/values/styles.xml and
+        res/values-v11/styles.xml on API 14+ devices.
+    -->
+    <style name="AppBaseTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- API 14 theme customizations can go here. -->
+    </style>
+
+</resources>

Sample/res/values-w820dp/dimens.xml

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+<resources>
+
+    <!--
+         Example customization of dimensions originally defined in res/values/dimens.xml
+         (such as screen margins) for screens with more than 820dp of available width. This
+         would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively).
+    -->
+    <dimen name="activity_horizontal_margin">64dp</dimen>
+
+</resources>

Sample/res/values/dimens.xml

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+<resources>
+
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+
+</resources>

Sample/res/values/strings.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <string name="app_name">Sloop__3D翻转</string>
+    <string name="hello_world">Hello world!</string>
+    <string name="action_settings">Settings</string>
+
+</resources>

Sample/res/values/styles.xml

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+<resources>
+
+    <!--
+        Base application theme, dependent on API level. This theme is replaced
+        by AppBaseTheme from res/values-vXX/styles.xml on newer devices.
+    -->
+    <style name="AppBaseTheme" parent="Theme.AppCompat.Light">
+        <!--
+            Theme customizations available in newer API levels can go in
+            res/values-vXX/styles.xml, while customizations related to
+            backward-compatibility can go here.
+        -->
+    </style>
+
+    <!-- Application theme. -->
+    <style name="AppTheme" parent="AppBaseTheme">
+        <!-- All customizations that are NOT specific to a particular API-level can go here. -->
+    </style>
+
+</resources>

Sample/src/com/sloop/animation/Rotate3dAnimation.java

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+/**
+ * @Title: Rotate3dAnimation.java
+ * @Package com.sloop.animation
+ * Copyright: Copyright (c) 2015
+ * 
+ * @author sloop
+ * @date 2015年3月10日 上午11:20:10
+ * @version V1.0
+ */
+
+package com.sloop.animation;
+
+import android.graphics.Camera;
+import android.graphics.Matrix;
+import android.util.Log;
+import android.view.ContextThemeWrapper;
+import android.view.animation.Animation;
+import android.view.animation.Transformation;
+
+/**
+ * 3D翻转特效
+ * @ClassName: Rotate3dAnimation
+ * @author sloop
+ * @date 2015年3月10日 上午11:20:10
+ */
+
+public class Rotate3dAnimation extends Animation {
+
+	// 开始角度
+	private final float mFromDegrees;
+	// 结束角度
+	private final float mToDegrees;
+	// 中心点
+	private final float mCenterX;
+	private final float mCenterY;
+	private final float mDepthZ;	//深度
+	// 是否需要扭曲
+	private final boolean mReverse;
+	// 摄像头
+	private Camera mCamera;
+	ContextThemeWrapper context;
+	//新增--像素比例（默认值为1）
+	float scale = 1;
+
+	/**
+	 * 创建一个新的实例 Rotate3dAnimation. 
+	 * @param fromDegrees	开始角度
+	 * @param toDegrees		结束角度
+	 * @param centerX		中心点x坐标
+	 * @param centerY		中心点y坐标
+	 * @param depthZ		深度
+	 * @param reverse		是否扭曲
+	 */
+	public Rotate3dAnimation(ContextThemeWrapper context, float fromDegrees, float toDegrees, float centerX, float centerY, float depthZ, boolean reverse) {
+		this.context = context;
+		mFromDegrees = fromDegrees;
+		mToDegrees = toDegrees;
+		mCenterX = centerX;
+		mCenterY = centerY;
+		mDepthZ = depthZ;
+		mReverse = reverse;
+		//获取手机像素比 （即dp与px的比例）
+		scale = context.getResources().getDisplayMetrics().density;
+		Log.e("scale",""+scale);
+	}
+
+	@Override
+	public void initialize(int width, int height, int parentWidth, int parentHeight) {
+
+		super.initialize(width, height, parentWidth, parentHeight);
+		mCamera = new Camera();
+	}
+
+	// 生成Transformation
+	@Override
+	protected void applyTransformation(float interpolatedTime, Transformation t) {
+		final float fromDegrees = mFromDegrees;
+		// 生成中间角度
+		float degrees = fromDegrees + ((mToDegrees - fromDegrees) * interpolatedTime);
+
+
+		final float centerX = mCenterX;
+		final float centerY = mCenterY;
+		final Camera camera = mCamera;
+
+		final Matrix matrix = t.getMatrix();
+
+		camera.save();
+		if (mReverse) {
+			camera.translate(0.0f, 0.0f, mDepthZ * interpolatedTime);
+		} else {
+			camera.translate(0.0f, 0.0f, mDepthZ * (1.0f - interpolatedTime));
+		}
+		camera.rotateY(degrees);
+		// 取得变换后的矩阵
+		camera.getMatrix(matrix);
+		camera.restore();
+
+//----------------------------------------------------------------------------
+		/** 
+		 * 修复打脸问题		(￣ε(#￣)☆╰╮(￣▽￣///)
+		 * 简要介绍：
+		 * 原来的3D翻转会由于屏幕像素密度问题而出现效果相差很大
+		 * 例如在屏幕像素比为1,5的手机上显示效果基本正常，
+		 * 而在像素比3,0的手机上面感觉翻转感觉要超出屏幕边缘，
+		 * 有种迎面打脸的感觉、
+		 * 
+		 * 解决方案
+		 * 利用屏幕像素密度对变换矩阵进行校正，
+		 * 保证了在所有清晰度的手机上显示的效果基本相同。
+		 *  
+		 */
+		float[] mValues = {0,0,0,0,0,0,0,0,0};
+		matrix.getValues(mValues);			//获取数值
+		mValues[6] = mValues[6]/scale;		//数值修正
+		matrix.setValues(mValues);			//重新赋值
+
+//		Log.e("TAG", "mValues["+0+"]="+mValues[0]+"------------\t"+"mValues["+6+"]="+mValues[6]);
+//----------------------------------------------------------------------------
+
+		matrix.preTranslate(-centerX, -centerY);
+		matrix.postTranslate(centerX, centerY);
+	}
+
+
+
+}