1.使用overridePendingTransition方法实现Activity跳转动画

botton_in

<?xml version="1.0" encoding="utf-8"?>
<translate xmlns:android="http://schemas.android.com/apk/res/android"
    android:fromYDelta="100%p"
    android:toYDelta="0%p"
    android:duration="400">
</translate>

bottom_out

<?xml version="1.0" encoding="utf-8"?>
<translate xmlns:android="http://schemas.android.com/apk/res/android"
    android:fromYDelta="0%p"
    android:toYDelta="100%p"
    android:duration="400">
</translate>

    public void go(View view){
        Intent intent = new Intent(this,SixActivity.class);
        startActivity(intent);
        overridePendingTransition(R.anim.bottom_in,R.anim.bottom_out);
    }

overridePendingTransition方法中第一个参数是指要跳转的Activity的进入动画，第二个参数指当前Activity的离开动画.

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如果不想要某个动画参数直接传0即可

        Intent intent = new Intent(this,SixActivity.class);
        startActivity(intent);
        overridePendingTransition(R.anim.bottom_in,0);

2.使用style的方式定义Activity的切换动画

    <!-- Base application theme. -->
    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
        <!-- Customize your theme here. -->
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
        <item name="android:windowAnimationStyle">@style/BOTTOM_TO_TOP</item>
    </style>

    <style name="BOTTOM_TO_TOP">
        <item name="android:activityOpenEnterAnimation">@anim/bottom_in</item>// 用于设置打开新的Activity并进入新的Activity展示的动画
        <item name="android:activityOpenExitAnimation">@anim/bottom_out</item>// 用于设置打开新的Activity并销毁之前的Activity展示的动画
        <item name="android:activityCloseEnterAnimation">@anim/bottom_in</item>// 用于设置关闭当前Activity进入上一个Activity展示的动画
        <item name="android:activityCloseExitAnimation">@anim/bottom_out</item>// 用于设置关闭当前Activity时展示的动画
    </style>

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3.使用ActivityOptions切换动画实现Activity跳转动画(注意:API21以上)

    @Override
    public void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // 设置contentFeature,可使用切换动画
        getWindow().requestFeature(Window.FEATURE_CONTENT_TRANSITIONS);
        Transition explode = TransitionInflater.from(this).inflateTransition(android.R.transition.explode);
        getWindow().setEnterTransition(explode);
        setContentView(R.layout.activity_five);
    }

    public void go(View view){
        Intent intent = new Intent(this,SixActivity.class);
        startActivity(intent, ActivityOptions.makeSceneTransitionAnimation(this).toBundle());
    }

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4.通过AndroidManifest单独设置某个Activity的跳转动画

        <activity android:name=".SixActivity" android:theme="@style/myTheme"/>

    <style name="myTheme" parent="Theme.AppCompat.Light.NoActionBar">
        <!-- Customize your theme here. -->
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
        <item name="android:windowAnimationStyle">@style/BOTTOM_TO_TOP</item>
    </style>

    <style name="BOTTOM_TO_TOP">
        <item name="android:activityOpenEnterAnimation">@anim/bottom_in</item>// 用于设置打开新的Activity并进入新的Activity展示的动画
        <item name="android:activityOpenExitAnimation">@anim/bottom_out</item>// 用于设置打开新的Activity并销毁之前的Activity展示的动画
        <item name="android:activityCloseEnterAnimation">@anim/bottom_in</item>// 用于设置关闭当前Activity进入上一个Activity展示的动画
        <item name="android:activityCloseExitAnimation">@anim/bottom_out</item>// 用于设置关闭当前Activity时展示的动画
    </style>

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5.Fragment之间的跳转动画,Activity之间跳转有默认的跳转动画，而Fragment需要自己定义

    public void addFragment(Fragment fragment){
        FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
        transaction.setCustomAnimations(R.anim.bottom_in,R.anim.bottom_out);
        transaction.replace(R.id.fragment_container,fragment).addToBackStack("").commitAllowingStateLoss();
    }
    public void removeFragment(){
        getSupportFragmentManager().popBackStack();
    }

transaction.setCustomAnimations方法中第一个参数是指添加的fragment的进入动画，第二个参数是指当前framgnet的隐藏动画

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 transaction.setCustomAnimations(R.anim.bottom_in,R.anim.bottom_out,R.anim.bottom_in,R.anim.bottom_out);

transaction.setCustomAnimations方法重载方法中还有四个参数的方法,其中第三个参数代表返回上一个fragment时进入的动画，第四个参数代表返回上一个fragment时要退出的fragment的退出动画.

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