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Android Navigationでアニメーション付きで画面遷移させる

Last updated at Posted at 2020-10-23

config.xmlとアニメーション用のxmlを作成する

main/res/values/config.xml
<?xml version="1.0" encoding="utf-8"?>
<resources>
    <integer name="config_transitionAnimTime">400</integer>
</resources>
res/anim/slide_in_right.xml
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <translate
        android:fromXDelta="50%p"
        android:toXDelta="0"
        android:duration="@integer/config_transitionAnimTime" />
    <alpha
        android:fromAlpha="0.0"
        android:toAlpha="1.0"
        android:duration="@integer/config_transitionAnimTime" />
</set>
res/anim/slide_out_left.xml
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <translate
        android:fromXDelta="0"
        android:toXDelta="-50%p"
        android:duration="@integer/config_transitionAnimTime" />
    <alpha
        android:fromAlpha="1.0"
        android:toAlpha="0.0"
        android:duration="@integer/config_transitionAnimTime" />
</set>
res/anim/slide_in_left.xml
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <translate
        android:fromXDelta="-50%p"
        android:toXDelta="0"
        android:duration="@integer/config_transitionAnimTime" />
    <alpha
        android:fromAlpha="0.0"
        android:toAlpha="1.0"
        android:duration="@integer/config_transitionAnimTime" />
</set>
res/anim/slide_out_right.xml
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <translate
        android:fromXDelta="0"
        android:toXDelta="50%p"
        android:duration="@integer/config_transitionAnimTime" />
    <alpha
        android:fromAlpha="1.0"
        android:toAlpha="0.0"
        android:duration="@integer/config_transitionAnimTime" />
</set>

navigationファイルでアニメーションを設定する。

res/navigation/nav_graph.xml
        <action
            android:id="@+id/action_hogeFragment_to_fugaFragment"
            app:destination="@id/fugaFragment"
            app:enterAnim="@anim/slide_in_right"
            app:exitAnim="@anim/slide_out_left"
            app:popEnterAnim="@anim/slide_in_left"
            app:popExitAnim="@anim/slide_out_right" />
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