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Commit 91d9eaa2 authored by Yi-Ling Chuang's avatar Yi-Ling Chuang Committed by Android (Google) Code Review
Browse files

Merge "Create SettingsTransitionHelper" into sc-dev

parents d5e2fc35 841580f5

packages/SettingsLib/Android.bp

+7 −3
Original line number Diff line number Diff line
@@ -27,7 +27,10 @@ android_library { 


    resource_dirs: ["res"],



    srcs: ["src/**/*.java", "src/**/*.kt"],

    srcs: [

        "src/**/*.java",

        "src/**/*.kt",

    ],



    min_sdk_version: "21",
@@ -68,6 +71,7 @@ java_defaults { 
        "SettingsLibUsageProgressBarPreference",

        "SettingsLibCollapsingToolbarBaseActivity",

        "SettingsLibTwoTargetPreference",

        "SettingsLibSettingsTransition",

    ],

}

packages/SettingsLib/SettingsTransition/Android.bp

0 → 100644
+22 −0
Original line number Diff line number Diff line 
package {

    // See: http://go/android-license-faq

    // A large-scale-change added 'default_applicable_licenses' to import

    // all of the 'license_kinds' from "frameworks_base_license"

    // to get the below license kinds:

    //   SPDX-license-identifier-Apache-2.0

    default_applicable_licenses: ["frameworks_base_license"],

}



android_library {

    name: "SettingsLibSettingsTransition",



    srcs: ["src/**/*.java"],

    resource_dirs: ["res"],



    static_libs: [

        "com.google.android.material_material",

    ],



    sdk_version: "system_current",

    min_sdk_version: "21",

}

packages/SettingsLib/SettingsTransition/AndroidManifest.xml

0 → 100644
+23 −0
Original line number Diff line number Diff line 
<?xml version="1.0" encoding="utf-8"?>

<!--

  Copyright (C) 2021 The Android Open Source Project



  Licensed under the Apache License, Version 2.0 (the "License");

  you may not use this file except in compliance with the License.

  You may obtain a copy of the License at



       http://www.apache.org/licenses/LICENSE-2.0



  Unless required by applicable law or agreed to in writing, software

  distributed under the License is distributed on an "AS IS" BASIS,

  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  See the License for the specific language governing permissions and

  limitations under the License.

-->



<manifest xmlns:android="http://schemas.android.com/apk/res/android"

          package="com.android.settingslib.transition">



    <uses-sdk android:minSdkVersion="21" />



</manifest>

packages/SettingsLib/SettingsTransition/res/values/dimens.xml

0 → 100644
+19 −0
Original line number Diff line number Diff line 
<?xml version="1.0" encoding="utf-8"?>

<!-- Copyright (C) 2021 The Android Open Source Project



     Licensed under the Apache License, Version 2.0 (the "License");

     you may not use this file except in compliance with the License.

     You may obtain a copy of the License at



          http://www.apache.org/licenses/LICENSE-2.0



     Unless required by applicable law or agreed to in writing, software

     distributed under the License is distributed on an "AS IS" BASIS,

     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

     See the License for the specific language governing permissions and

     limitations under the License.

-->



<resources>

    <dimen name="settings_shared_axis_x_slide_distance">96dp</dimen>

</resources>
 
 No newline at end of file

packages/SettingsLib/SettingsTransition/src/com/android/settingslib/transition/SettingsTransitionHelper.java

0 → 100644
+103 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2021 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */



package com.android.settingslib.transition;



import android.app.Activity;

import android.content.Context;

import android.util.Log;

import android.view.Window;

import android.view.animation.AnimationUtils;

import android.view.animation.Interpolator;



import com.google.android.material.transition.platform.MaterialSharedAxis;

import com.google.android.material.transition.platform.SlideDistanceProvider;



/**

 * A helper class to apply Settings Transition

 */

public class SettingsTransitionHelper {



    private static final String TAG = "SettingsTransitionHelper";

    private static final long DURATION = 450L;



    private static MaterialSharedAxis createSettingsSharedAxis(Context context, boolean forward) {

        final MaterialSharedAxis transition = new MaterialSharedAxis(MaterialSharedAxis.X, forward);

        transition.excludeTarget(android.R.id.statusBarBackground, true);

        transition.excludeTarget(android.R.id.navigationBarBackground, true);



        final SlideDistanceProvider forwardDistanceProvider =

                (SlideDistanceProvider) transition.getPrimaryAnimatorProvider();

        final int distance = context.getResources().getDimensionPixelSize(

                R.dimen.settings_shared_axis_x_slide_distance);

        forwardDistanceProvider.setSlideDistance(distance);

        transition.setDuration(DURATION);



        final Interpolator interpolator =

                AnimationUtils.loadInterpolator(context,

                        android.R.interpolator.fast_out_extra_slow_in);

        transition.setInterpolator(interpolator);



        // TODO(b/177480673): Update fade through threshold once (cl/362065364) is released



        return transition;

    }



    /**

     * Apply the forward transition to the {@link Activity}, including Exit Transition and Enter

     * Transition.

     *

     * The Exit Transition takes effect when leaving the page, while the Enter Transition is

     * triggered when the page is launched/entering.

     */

    public static void applyForwardTransition(Activity activity) {

        if (activity == null) {

            Log.w(TAG, "applyForwardTransition: Invalid activity!");

            return;

        }

        final Window window = activity.getWindow();

        if (window == null) {

            Log.w(TAG, "applyForwardTransition: Invalid window!");

            return;

        }

        final MaterialSharedAxis forward = createSettingsSharedAxis(activity, true);

        window.setExitTransition(forward);

        window.setEnterTransition(forward);

    }



    /**

     * Apply the backward transition to the {@link Activity}, including Return Transition and

     * Reenter Transition.

     *

     * Return Transition will be used to move Views out of the scene when the Window is preparing

     * to close. Reenter Transition will be used to move Views in to the scene when returning from a

     * previously-started Activity.

     */

    public static void applyBackwardTransition(Activity activity) {

        if (activity == null) {

            Log.w(TAG, "applyBackwardTransition: Invalid activity!");

            return;

        }

        final Window window = activity.getWindow();

        if (window == null) {

            Log.w(TAG, "applyBackwardTransition: Invalid window!");

            return;

        }

        final MaterialSharedAxis backward = createSettingsSharedAxis(activity, false);

        window.setReturnTransition(backward);

        window.setReenterTransition(backward);

    }

}