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Commit 34deed3e authored by Chaohui Wang's avatar Chaohui Wang Committed by Automerger Merge Worker
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Merge "Fix Data Saver page crashed when rotate" into udc-dev am: bf9ba71c am: ef748cfc 

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/22898015



Change-Id: I986376365180201cd503c4080f80e5007917e658
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents e769c5b4 ef748cfc

src/com/android/settings/datausage/DataSaverSummary.java

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/*

 * Copyright (C) 2016 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.settings.datausage;



import android.app.Application;

import android.app.settings.SettingsEnums;

import android.content.Context;

import android.icu.text.MessageFormat;

import android.os.Bundle;

import android.telephony.SubscriptionManager;

import android.widget.Switch;



import androidx.preference.Preference;



import com.android.settings.R;

import com.android.settings.SettingsActivity;

import com.android.settings.SettingsPreferenceFragment;

import com.android.settings.applications.AppStateBaseBridge.Callback;

import com.android.settings.datausage.DataSaverBackend.Listener;

import com.android.settings.search.BaseSearchIndexProvider;

import com.android.settings.widget.SettingsMainSwitchBar;

import com.android.settingslib.applications.ApplicationsState;

import com.android.settingslib.applications.ApplicationsState.AppEntry;

import com.android.settingslib.applications.ApplicationsState.Callbacks;

import com.android.settingslib.applications.ApplicationsState.Session;

import com.android.settingslib.search.SearchIndexable;

import com.android.settingslib.widget.OnMainSwitchChangeListener;



import java.util.ArrayList;

import java.util.HashMap;

import java.util.Locale;

import java.util.Map;



@SearchIndexable

public class DataSaverSummary extends SettingsPreferenceFragment

        implements OnMainSwitchChangeListener, Listener, Callback, Callbacks {



    private static final String KEY_UNRESTRICTED_ACCESS = "unrestricted_access";



    private SettingsMainSwitchBar mSwitchBar;

    private DataSaverBackend mDataSaverBackend;

    private Preference mUnrestrictedAccess;

    private ApplicationsState mApplicationsState;

    private AppStateDataUsageBridge mDataUsageBridge;

    private Session mSession;



    // Flag used to avoid infinite loop due if user switch it on/off too quicky.

    private boolean mSwitching;



    private Runnable mLoadAppRunnable = () -> {

        mApplicationsState = ApplicationsState.getInstance(

                (Application) getContext().getApplicationContext());

        mDataUsageBridge = new AppStateDataUsageBridge(mApplicationsState, this, mDataSaverBackend);

        mSession = mApplicationsState.newSession(this, getSettingsLifecycle());

        mDataUsageBridge.resume(true /* forceLoadAllApps */);

    };



    @Override

    public void onCreate(Bundle icicle) {

        super.onCreate(icicle);



        if (!isDataSaverVisible(getContext())) {

            finishFragment();

            return;

        }



        addPreferencesFromResource(R.xml.data_saver);

        mUnrestrictedAccess = findPreference(KEY_UNRESTRICTED_ACCESS);

        mDataSaverBackend = new DataSaverBackend(getContext());

    }



    @Override

    public void onActivityCreated(Bundle savedInstanceState) {

        super.onActivityCreated(savedInstanceState);

        mSwitchBar = ((SettingsActivity) getActivity()).getSwitchBar();

        mSwitchBar.setTitle(getContext().getString(R.string.data_saver_switch_title));

        mSwitchBar.show();

        mSwitchBar.addOnSwitchChangeListener(this);

    }



    @Override

    public void onResume() {

        super.onResume();

        mDataSaverBackend.refreshAllowlist();

        mDataSaverBackend.refreshDenylist();

        mDataSaverBackend.addListener(this);

        if (mDataUsageBridge != null) {

            mDataUsageBridge.resume(true /* forceLoadAllApps */);

        } else {

            getView().post(mLoadAppRunnable);

        }

    }



    @Override

    public void onPause() {

        super.onPause();

        mDataSaverBackend.remListener(this);

        if (mDataUsageBridge != null) {

            mDataUsageBridge.pause();

        }

    }



    @Override

    public void onSwitchChanged(Switch switchView, boolean isChecked) {

        synchronized (this) {

            if (mSwitching) {

                return;

            }

            mSwitching = true;

            mDataSaverBackend.setDataSaverEnabled(isChecked);

        }

    }



    @Override

    public int getMetricsCategory() {

        return SettingsEnums.DATA_SAVER_SUMMARY;

    }



    @Override

    public int getHelpResource() {

        return R.string.help_url_data_saver;

    }



    @Override

    public void onDataSaverChanged(boolean isDataSaving) {

        synchronized (this) {

            mSwitchBar.setChecked(isDataSaving);

            mSwitching = false;

        }

    }



    @Override

    public void onAllowlistStatusChanged(int uid, boolean isAllowlisted) {

    }



    @Override

    public void onDenylistStatusChanged(int uid, boolean isDenylisted) {

    }



    @Override

    public void onExtraInfoUpdated() {

        updateUnrestrictedAccessSummary();

    }



    @Override

    public void onRunningStateChanged(boolean running) {



    }



    @Override

    public void onPackageListChanged() {



    }



    @Override

    public void onRebuildComplete(ArrayList<AppEntry> apps) {



    }



    @Override

    public void onPackageIconChanged() {



    }



    @Override

    public void onPackageSizeChanged(String packageName) {



    }



    @Override

    public void onAllSizesComputed() {

        updateUnrestrictedAccessSummary();

    }



    @Override

    public void onLauncherInfoChanged() {

        updateUnrestrictedAccessSummary();

    }



    @Override

    public void onLoadEntriesCompleted() {



    }



    private void updateUnrestrictedAccessSummary() {

        if (!isAdded() || isFinishingOrDestroyed() || mSession == null) return;



        int count = 0;

        for (AppEntry entry : mSession.getAllApps()) {

            if (!ApplicationsState.FILTER_DOWNLOADED_AND_LAUNCHER.filterApp(entry)) {

                continue;

            }

            if (entry.extraInfo != null && ((AppStateDataUsageBridge.DataUsageState)

                    entry.extraInfo).isDataSaverAllowlisted) {

                count++;

            }

        }

        MessageFormat msgFormat = new MessageFormat(

                getResources().getString(R.string.data_saver_unrestricted_summary),

                Locale.getDefault());

        Map<String, Object> arguments = new HashMap<>();

        arguments.put("count", count);

        mUnrestrictedAccess.setSummary(msgFormat.format(arguments));

    }



    public static boolean isDataSaverVisible(Context context) {

        return context.getResources()

            .getBoolean(R.bool.config_show_data_saver);

    }



    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =

            new BaseSearchIndexProvider(R.xml.data_saver) {



                @Override

                protected boolean isPageSearchEnabled(Context context) {

                    return isDataSaverVisible(context)

                            && DataUsageUtils.hasMobileData(context)

                            && DataUsageUtils.getDefaultSubscriptionId(context)

                            != SubscriptionManager.INVALID_SUBSCRIPTION_ID;

                }

            };

}

src/com/android/settings/datausage/DataSaverSummary.kt

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+176 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2023 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.settings.datausage



import android.app.Application

import android.app.settings.SettingsEnums

import android.content.Context

import android.os.Bundle

import android.telephony.SubscriptionManager

import android.widget.Switch

import androidx.lifecycle.lifecycleScope

import androidx.preference.Preference

import com.android.settings.R

import com.android.settings.SettingsActivity

import com.android.settings.SettingsPreferenceFragment

import com.android.settings.applications.AppStateBaseBridge

import com.android.settings.datausage.AppStateDataUsageBridge.DataUsageState

import com.android.settings.search.BaseSearchIndexProvider

import com.android.settings.widget.SettingsMainSwitchBar

import com.android.settingslib.applications.ApplicationsState

import com.android.settingslib.search.SearchIndexable

import com.android.settingslib.spa.framework.util.formatString

import kotlinx.coroutines.launch



@SearchIndexable

class DataSaverSummary : SettingsPreferenceFragment() {

    private lateinit var switchBar: SettingsMainSwitchBar

    private lateinit var dataSaverBackend: DataSaverBackend

    private lateinit var unrestrictedAccess: Preference

    private var dataUsageBridge: AppStateDataUsageBridge? = null

    private var session: ApplicationsState.Session? = null



    // Flag used to avoid infinite loop due if user switch it on/off too quick.

    private var switching = false



    override fun onCreate(bundle: Bundle?) {

        super.onCreate(bundle)



        if (!requireContext().isDataSaverVisible()) {

            finishFragment()

            return

        }



        addPreferencesFromResource(R.xml.data_saver)

        unrestrictedAccess = findPreference(KEY_UNRESTRICTED_ACCESS)!!

        dataSaverBackend = DataSaverBackend(requireContext())

    }



    override fun onActivityCreated(savedInstanceState: Bundle?) {

        super.onActivityCreated(savedInstanceState)

        switchBar = (activity as SettingsActivity).switchBar.apply {

            setTitle(getString(R.string.data_saver_switch_title))

            show()

            addOnSwitchChangeListener { _: Switch, isChecked: Boolean ->

                onSwitchChanged(isChecked)

            }

        }

    }



    override fun onResume() {

        super.onResume()

        dataSaverBackend.refreshAllowlist()

        dataSaverBackend.refreshDenylist()

        dataSaverBackend.addListener(dataSaverBackendListener)

        dataUsageBridge?.resume(/* forceLoadAllApps= */ true)

            ?: viewLifecycleOwner.lifecycleScope.launch {

                val applicationsState = ApplicationsState.getInstance(

                    requireContext().applicationContext as Application

                )

                dataUsageBridge = AppStateDataUsageBridge(

                    applicationsState, dataUsageBridgeCallbacks, dataSaverBackend

                )

                session =

                    applicationsState.newSession(applicationsStateCallbacks, settingsLifecycle)

                dataUsageBridge?.resume(/* forceLoadAllApps= */ true)

            }

    }



    override fun onPause() {

        super.onPause()

        dataSaverBackend.remListener(dataSaverBackendListener)

        dataUsageBridge?.pause()

    }



    private fun onSwitchChanged(isChecked: Boolean) {

        synchronized(this) {

            if (!switching) {

                switching = true

                dataSaverBackend.isDataSaverEnabled = isChecked

            }

        }

    }



    override fun getMetricsCategory() = SettingsEnums.DATA_SAVER_SUMMARY



    override fun getHelpResource() = R.string.help_url_data_saver



    private val dataSaverBackendListener = object : DataSaverBackend.Listener {

        override fun onDataSaverChanged(isDataSaving: Boolean) {

            synchronized(this) {

                switchBar.isChecked = isDataSaving

                switching = false

            }

        }



        override fun onAllowlistStatusChanged(uid: Int, isAllowlisted: Boolean) {}



        override fun onDenylistStatusChanged(uid: Int, isDenylisted: Boolean) {}

    }



    private val dataUsageBridgeCallbacks = AppStateBaseBridge.Callback {

        updateUnrestrictedAccessSummary()

    }



    private val applicationsStateCallbacks = object : ApplicationsState.Callbacks {

        override fun onRunningStateChanged(running: Boolean) {}



        override fun onPackageListChanged() {}



        override fun onRebuildComplete(apps: ArrayList<ApplicationsState.AppEntry>?) {}



        override fun onPackageIconChanged() {}



        override fun onPackageSizeChanged(packageName: String?) {}



        override fun onAllSizesComputed() {

            updateUnrestrictedAccessSummary()

        }



        override fun onLauncherInfoChanged() {

            updateUnrestrictedAccessSummary()

        }



        override fun onLoadEntriesCompleted() {}

    }



    private fun updateUnrestrictedAccessSummary() {

        if (!isAdded || isFinishingOrDestroyed) return

        val allApps = session?.allApps ?: return

        val count = allApps.count {

            ApplicationsState.FILTER_DOWNLOADED_AND_LAUNCHER.filterApp(it) &&

                (it.extraInfo as? DataUsageState)?.isDataSaverAllowlisted == true

        }

        unrestrictedAccess.summary =

            resources.formatString(R.string.data_saver_unrestricted_summary, "count" to count)

    }



    companion object {

        private const val KEY_UNRESTRICTED_ACCESS = "unrestricted_access"



        private fun Context.isDataSaverVisible(): Boolean =

            resources.getBoolean(R.bool.config_show_data_saver)



        @JvmField

        val SEARCH_INDEX_DATA_PROVIDER = object : BaseSearchIndexProvider(R.xml.data_saver) {

            override fun isPageSearchEnabled(context: Context): Boolean =

                context.isDataSaverVisible() &&

                    DataUsageUtils.hasMobileData(context) &&

                    (DataUsageUtils.getDefaultSubscriptionId(context) !=

                        SubscriptionManager.INVALID_SUBSCRIPTION_ID)

        }

    }

}
 
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