import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Build;
import android.widget.Toast;

public class ActivityAnimationUtil
{
    private Context context;
    private Activity activity;
    public static boolean IS_V2_3 = false;

    public ActivityAnimationUtil(Context context)
    {
        this.context = context;
        this.activity = (Activity) context;
    }

    public void check()
    {
        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.GINGERBREAD)
        {
            IS_V2_3 = true;
        }
    }

    @SuppressLint("ShowToast")
    public void startActivity(Intent intent, StyleIn in)
    {
        switch (in) {
        case FADE:
            context.startActivity(intent);
            activity.overridePendingTransition(R.anim.fade_in, R.anim.fade_out);
            break;

        case FLIPHORIZONTAL:
            context.startActivity(intent);
            activity.overridePendingTransition(R.anim.flip_horizontal_in, R.anim.flip_horizontal_out);
            break;

        case FLIPVERTICAL:
            context.startActivity(intent);
            activity.overridePendingTransition(R.anim.flip_vertical_in, R.anim.flip_vertical_out);
            break;

        case DISAPPEARTOPLEFT:
            context.startActivity(intent);
            activity.overridePendingTransition(R.anim.disappear_top_left_in, R.anim.disappear_top_left_out);
            break;

        case APPEARBOTTOMRIGHT:
            context.startActivity(intent);
            activity.overridePendingTransition(R.anim.appear_bottom_right_in, R.anim.appear_bottom_right_out);
            break;

        case SLIDELEFTRIGHT:
            context.startActivity(intent);
            activity.overridePendingTransition(R.anim.fade_in, R.anim.fade_out);
            break;

        case SLIDETOPBOTTOM:
            context.startActivity(intent);
            activity.overridePendingTransition(R.anim.fade_in, R.anim.fade_out);
            break;

        case SPILT:
            check();
            if (IS_V2_3)
            {
                SplitAnimation.startActivity(activity, intent);
            } else
            {
                Toast.makeText(context, "手机系统版本过低(不得低于2.3)，不支持当前动画此效果！", Toast.LENGTH_SHORT);
            }
            break;

        case UNZOOM:
            context.startActivity(intent);
            activity.overridePendingTransition(R.anim.unzoom_in, R.anim.unzoom_out);
            break;

        case STACK:
            context.startActivity(intent);
            activity.overridePendingTransition(R.anim.open_next, R.anim.close_main);
            break;

        default:
            break;
        }
    }

    public void backActivity(StyleOut out)
    {
        switch (out) {
        case B_FADE:
            activity.overridePendingTransition(R.anim.fade_in, R.anim.fade_out);
            break;

        case B_FLIPHORIZONTAL:
            activity.overridePendingTransition(R.anim.flip_horizontal_in, R.anim.flip_horizontal_out);
            break;
        case B_FLIPVERTICAL:
            activity.overridePendingTransition(R.anim.flip_vertical_in, R.anim.flip_vertical_out);
            break;

        case B_DISAPPEARTOPLEFT:
            activity.overridePendingTransition(R.anim.appear_top_left_in, R.anim.appear_top_left_out);
            break;

        case B_APPEARBOTTOMRIGHT:
            activity.overridePendingTransition(R.anim.disappear_bottom_right_in, R.anim.disappear_bottom_right_out);
            break;

        case B_SLIDELEFTRIGHT:
            activity.overridePendingTransition(R.anim.push_left_in, R.anim.push_right_out);
            break;

        case B_SLIDETOPBOTTOM:
            activity.overridePendingTransition(R.anim.slide_bottom_in, R.anim.slide_top_out);
            break;

        case B_UNZOOM:
            activity.overridePendingTransition(R.anim.unzoom_in, R.anim.unzoom_out);
            break;

        case B_STACK:
            activity.overridePendingTransition(R.anim.open_main, R.anim.close_next);
            break;

        default:
            break;
        }
    }
}

import android.animation.Animator;
import android.animation.AnimatorSet;
import android.animation.ObjectAnimator;
import android.animation.TimeInterpolator;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PixelFormat;
import android.graphics.Rect;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.os.Handler;
import android.view.Gravity;
import android.view.View;
import android.view.WindowManager;
import android.view.animation.DecelerateInterpolator;
import android.widget.ImageView;

/**
 * 
 * 用代码实现类似微信开门效果
 */
@SuppressLint("NewApi")
public class SplitAnimation
{

    public static Bitmap mBitmap = null;
    private static int[] mLoc1;
    private static int[] mLoc2;
    private static ImageView mTopImage;
    private static ImageView mBottomImage;
    private static AnimatorSet mSetAnim;

    /**
     * Start a new Activity with a Split animation
     * 
     * @param currActivity
     *            The current Activity
     * @param intent
     *            The Intent needed tot start the new Activity
     * @param splitYCoord
     *            The Y coordinate where we want to split the Activity on the animation. -1 will split the Activity equally
     */
    public static void startActivity(Activity currActivity, Intent intent, int splitYCoord)
    {

        // Preparing the bitmaps that we need to show
        prepare(currActivity, splitYCoord);
        currActivity.startActivity(intent);
        currActivity.overridePendingTransition(0, 0);
    }

    /**
     * Start a new Activity with a Split animation right in the middle of the Activity
     * 
     * @param currActivity
     *            The current Activity
     * @param intent
     *            The Intent needed tot start the new Activity
     */
    public static void startActivity(Activity currActivity, Intent intent)
    {
        startActivity(currActivity, intent, -1);
    }

    /**
     * Preparing the graphics on the destination Activity. Should be called on the destination activity on Activity#onCreate() BEFORE setContentView()
     * 
     * @param destActivity
     *            the destination Activity
     */
    public static void prepareAnimation(final Activity destActivity)
    {
        mTopImage = createImageView(destActivity, mBitmap, mLoc1);
        mBottomImage = createImageView(destActivity, mBitmap, mLoc2);
    }

    /**
     * Start the animation the reveals the destination Activity Should be called on the destination activity on Activity#onCreate() AFTER setContentView()
     * 
     * @param destActivity
     *            the destination Activity
     * @param duration
     *            The duration of the animation
     * @param interpolator
     *            The interpulator to use for the animation. null for no interpulation.
     */
    public static void animate(final Activity destActivity, final int duration, final TimeInterpolator interpolator)
    {

        // Post this on the UI thread‘s message queue. It‘s needed for the items to be already measured
        new Handler().post(new Runnable()
        {

            @Override
            public void run()
            {
                mSetAnim = new AnimatorSet();
                mTopImage.setLayerType(View.LAYER_TYPE_HARDWARE, null);
                mBottomImage.setLayerType(View.LAYER_TYPE_HARDWARE, null);
                mSetAnim.addListener(new Animator.AnimatorListener()
                {
                    @Override
                    public void onAnimationStart(Animator animation)
                    {
                    }

                    @Override
                    public void onAnimationEnd(Animator animation)
                    {
                        clean(destActivity);
                    }

                    @Override
                    public void onAnimationCancel(Animator animation)
                    {
                        clean(destActivity);
                    }

                    @Override
                    public void onAnimationRepeat(Animator animation)
                    {

                    }
                });

                // Animating the 2 parts away from each other
                Animator anim1 = ObjectAnimator.ofFloat(mTopImage, "translationY", mTopImage.getHeight() * -1);
                Animator anim2 = ObjectAnimator.ofFloat(mBottomImage, "translationY", mBottomImage.getHeight());

                if (interpolator != null)
                {
                    anim1.setInterpolator(interpolator);
                    anim2.setInterpolator(interpolator);
                }

                mSetAnim.setDuration(duration);
                mSetAnim.playTogether(anim1, anim2);
                mSetAnim.start();
            }
        });
    }

    /**
     * Start the animation that reveals the destination Activity Should be called on the destination activity on Activity#onCreate() AFTER setContentView()
     * 
     * @param destActivity
     *            the destination Activity
     * @param duration
     *            The duration of the animation
     */
    public static void animate(final Activity destActivity, final int duration)
    {
        animate(destActivity, duration, new DecelerateInterpolator());
    }

    /**
     * Cancel an in progress animation
     */
    public static void cancel()
    {
        if (mSetAnim != null)
            mSetAnim.cancel();
    }

    /**
     * Clean stuff
     * 
     * @param activity
     *            The Activity where the animation is occurring
     */
    private static void clean(Activity activity)
    {
        if (mTopImage != null)
        {
            mTopImage.setLayerType(View.LAYER_TYPE_NONE, null);
            try
            {
                // If we use the regular removeView() we‘ll get a small UI glitch
                activity.getWindowManager().removeViewImmediate(mBottomImage);
            } catch (Exception ignored)
            {
            }
        }
        if (mBottomImage != null)
        {
            mBottomImage.setLayerType(View.LAYER_TYPE_NONE, null);
            try
            {
                activity.getWindowManager().removeViewImmediate(mTopImage);
            } catch (Exception ignored)
            {
            }
        }

        mBitmap = null;
    }

    /**
     * Preparing the graphics for the animation
     * 
     * @param currActivity
     *            the current Activity from where we start the new one
     * @param splitYCoord
     *            The Y coordinate where we want to split the activity. -1 will split the activity equally
     */
    private static void prepare(Activity currActivity, int splitYCoord)
    {

        // Get the content of the activity and put in a bitmap
        View root = currActivity.getWindow().getDecorView().findViewById(android.R.id.content);
        root.setDrawingCacheEnabled(true);
        mBitmap = root.getDrawingCache();

        // If the split Y coordinate is -1 - We‘ll split the activity equally
        splitYCoord = (splitYCoord != -1 ? splitYCoord : mBitmap.getHeight() / 2);

        if (splitYCoord > mBitmap.getHeight())
            throw new IllegalArgumentException("Split Y coordinate [" + splitYCoord + "] exceeds the activity‘s height [" + mBitmap.getHeight() + "]");

        // Set the location to put the 2 bitmaps on the destination activity
        mLoc1 = new int[] { 0, splitYCoord, root.getTop() };
        mLoc2 = new int[] { splitYCoord, mBitmap.getHeight(), root.getTop() };
    }

    /**
     * Creating the an image, containing one part of the animation on the destination activity
     * 
     * @param destActivity
     *            The destination activity
     * @param bmp
     *            The Bitmap of the part we want to add to the destination activity
     * @param loc
     *            The location this part should be on the screen
     * @return
     */
    private static ImageView createImageView(Activity destActivity, Bitmap bmp, int loc[])
    {
        MyImageView imageView = new MyImageView(destActivity);
        imageView.setImageBitmap(bmp);
        imageView.setImageOffsets(bmp.getWidth(), loc[0], loc[1]);
        WindowManager.LayoutParams windowParams = new WindowManager.LayoutParams();
        windowParams.gravity = Gravity.TOP;
        windowParams.x = 0;
        windowParams.y = loc[2] + loc[0];
        windowParams.height = loc[1] - loc[0];
        windowParams.width = bmp.getWidth();
        windowParams.flags = WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
        windowParams.format = PixelFormat.TRANSLUCENT;
        windowParams.windowAnimations = 0;
        destActivity.getWindowManager().addView(imageView, windowParams);
        return imageView;
    }

    /**
     * MyImageView Extended ImageView that draws just part of an image, base on start/end position
     */
    private static class MyImageView extends ImageView
    {
        private Rect mSrcRect;
        private Rect mDstRect;
        private Paint mPaint;

        public MyImageView(Context context)
        {
            super(context);
            mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
        }

        /**
         * Setting the bitmap offests to control the visible area
         * 
         * @param width
         *            The bitmap image
         * @param bmp
         *            The start Y position
         * @param loc
         *            The end Y position
         * @return
         */
        public void setImageOffsets(int width, int startY, int endY)
        {
            mSrcRect = new Rect(0, startY, width, endY);
            mDstRect = new Rect(0, 0, width, endY - startY);
        }

        @Override
        protected void onDraw(Canvas canvas)
        {
            Bitmap bm = null;
            Drawable drawable = getDrawable();
            if (null != drawable && drawable instanceof BitmapDrawable)
            {
                bm = ((BitmapDrawable) drawable).getBitmap();
            }

            if (null == bm)
            {
                super.onDraw(canvas);
            } else
            {
                canvas.drawBitmap(bm, mSrcRect, mDstRect, mPaint);
            }
        }
    }
}

package com.functiontest.key;

public enum StyleIn
{
    /** 渐变动画 */
    FADE,
    /** 水平伸缩效果 */
    FLIPHORIZONTAL,
    /** 垂直伸缩 */
    FLIPVERTICAL,
    /** 左上角进入动画 */
    DISAPPEARTOPLEFT,
    /** 右下角进入动画 */
    APPEARBOTTOMRIGHT,
    /** 水平平移效果 */
    SLIDELEFTRIGHT,
    /** 垂直平移效果 */
    SLIDETOPBOTTOM,
    /** 开门效果 */
    SPILT,
    /** 缩放动画进入 */
    UNZOOM,
    /** 层叠效果进入 */
    STACK
}

package com.functiontest.key;

public enum StyleOut
{
    /** 渐变动画 */
    B_FADE,
    /** 水平伸缩效果 */
    B_FLIPHORIZONTAL,
    /** 垂直伸缩 */
    B_FLIPVERTICAL,
    /** 左上角进入动画 */
    B_DISAPPEARTOPLEFT,
    /** 右下角进入动画 */
    B_APPEARBOTTOMRIGHT,
    /** 水平平移效果 */
    B_SLIDELEFTRIGHT,
    /** 垂直平移效果 */
    B_SLIDETOPBOTTOM,
    /** 缩放动画进入 */
    B_UNZOOM,
    /** 层叠效果进入 */
    B_STACK
}

import com.functiontest.key.StyleIn;
import com.functiontest.uitl.ActivityAnimationUtil;
import com.functiontest.uitl.SplitAnimation;

import net.tsz.afinal.FinalActivity;
import net.tsz.afinal.annotation.view.ViewInject;
import android.content.Intent;
import android.os.Build;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.widget.Button;

public class MainActivity extends FinalActivity
{
    @ViewInject(id = R.id.btn_next, click = "onClick")
    private Button button;

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }

    public void onClick(View view)
    {
        switch (view.getId()) {
        case R.id.btn_next:

            Intent intent = new Intent(MainActivity.this, secondActivity.class);
             ActivityAnimationUtil animation = new ActivityAnimationUtil(this);
             animation.startActivity(intent, StyleIn.SPILT);

            break;

        default:
            break;
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu)
    {
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

}

import com.functiontest.key.StyleOut;
import com.functiontest.uitl.ActivityAnimationUtil;

import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import net.tsz.afinal.FinalActivity;
import net.tsz.afinal.annotation.view.ViewInject;

public class secondActivity extends FinalActivity
{
    @ViewInject(id = R.id.btn_back, click = "onClick")
    public Button button;

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.second_main);
    }

    public void onClick(View view)
    {
        switch (view.getId()) {
        case R.id.btn_back:

            back();

            break;

        default:
            break;
        }
    }

    public void back()
    {
        this.finish();
        ActivityAnimationUtil animation = new ActivityAnimationUtil(this);
        animation.backActivity(StyleOut.B_STACK);
    }

    @Override
    public void onBackPressed()
    {
        super.onBackPressed();

        back();
    }

}