Add BatteryTipDetector and LowBatteryTip stuffs. (5f0b0964) · Commits · e / os / android_packages_apps_Settings

res/drawable/ic_perm_device_information_red_24dp.xml

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		<!--
		Copyright (C) 2017 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.
		-->

		<vector xmlns:android="http://schemas.android.com/apk/res/android"
		android:width="24dp"
		android:height="24dp"
		android:viewportWidth="24.0"
		android:viewportHeight="24.0"
		android:tint="?android:attr/colorError">
		<path
		android:fillColor="#FF000000"
		android:pathData="M13,7h-2v2h2L13,7zM13,11h-2v6h2v-6zM17,1.01L7,1c-1.1,0 -2,0.9 -2,2v18c0,
		1.1 0.9,2 2,2h10c1.1,0 2,-0.9 2,-2L19,3c0,-1.1 -0.9,-1.99 -2,-1.99zM17,19L7,19L7,5h10v14z"/>
		</vector>

res/values/strings.xml

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		@@ -4742,6 +4742,10 @@
		<string name="battery_tip_summary_title">Battery is in good shape</string>
		<!-- Summary for the battery summary tip [CHAR LIMIT=NONE] -->
		<string name="battery_tip_summary_summary">Apps are behaving normally</string>
		<!-- Title for the low battery tip [CHAR LIMIT=NONE] -->
		<string name="battery_tip_low_battery_title">Low battery capacity</string>
		<!-- Summary for the low battery tip [CHAR LIMIT=NONE] -->
		<string name="battery_tip_low_battery_summary">Battery can\'t provide good battery life</string>

		<!-- Title for force stop dialog [CHAR LIMIT=30] -->
		<string name="dialog_stop_title">Stop app?</string>

src/com/android/settings/fuelgauge/batterytip/BatteryTipLoader.java

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		@@ -17,13 +17,21 @@
		package com.android.settings.fuelgauge.batterytip;

		import android.content.Context;
		import android.support.annotation.VisibleForTesting;

		import com.android.internal.os.BatteryStatsHelper;
		import com.android.settings.fuelgauge.BatteryInfo;
		import com.android.settings.fuelgauge.BatteryUtils;
		import com.android.settings.fuelgauge.batterytip.detectors.BatteryTipDetector;
		import com.android.settings.fuelgauge.batterytip.detectors.LowBatteryDetector;
		import com.android.settings.fuelgauge.batterytip.detectors.SummaryDetector;
		import com.android.settings.fuelgauge.batterytip.tips.BatteryTip;
		import com.android.settings.fuelgauge.batterytip.tips.LowBatteryTip;
		import com.android.settings.fuelgauge.batterytip.tips.SummaryTip;
		import com.android.settingslib.utils.AsyncLoader;

		import java.util.ArrayList;
		import java.util.Collections;
		import java.util.List;

		/**
		@@ -36,18 +44,31 @@ public class BatteryTipLoader extends AsyncLoader<List<BatteryTip>> {
		private static final boolean USE_FAKE_DATA = false;

		private BatteryStatsHelper mBatteryStatsHelper;
		private BatteryUtils mBatteryUtils;
		@VisibleForTesting
		int mVisibleTips;

		public BatteryTipLoader(Context context, BatteryStatsHelper batteryStatsHelper) {
		super(context);
		mBatteryStatsHelper = batteryStatsHelper;
		mBatteryUtils = BatteryUtils.getInstance(context);
		}

		@Override
		public List<BatteryTip> loadInBackground() {
		List<BatteryTip> tips = new ArrayList<>();
		if (USE_FAKE_DATA) {
		return getFakeData();
		}
		final List<BatteryTip> tips = new ArrayList<>();
		final BatteryTipPolicy policy = new BatteryTipPolicy(getContext());
		final BatteryInfo batteryInfo = mBatteryUtils.getBatteryInfo(mBatteryStatsHelper, TAG);
		mVisibleTips = 0;

		//TODO(b/70570352): add battery tip detectors
		tips.add(new SummaryTip(BatteryTip.StateType.NEW));
		addBatteryTipFromDetector(tips, new LowBatteryDetector(policy, batteryInfo));
		// Add summary detector at last since it need other detectors to update the mVisibleTips
		addBatteryTipFromDetector(tips, new SummaryDetector(policy, mVisibleTips));

		Collections.sort(tips);
		return tips;
		}

		@@ -55,4 +76,20 @@ public class BatteryTipLoader extends AsyncLoader<List<BatteryTip>> {
		protected void onDiscardResult(List<BatteryTip> result) {
		}

		private List<BatteryTip> getFakeData() {
		final List<BatteryTip> tips = new ArrayList<>();
		tips.add(new SummaryTip(BatteryTip.StateType.NEW));
		tips.add(new LowBatteryTip(BatteryTip.StateType.NEW));

		return tips;
		}

		@VisibleForTesting
		void addBatteryTipFromDetector(final List<BatteryTip> tips,
		final BatteryTipDetector detector) {
		final BatteryTip batteryTip = detector.detect();
		mVisibleTips += batteryTip.isVisible() ? 1 : 0;
		tips.add(batteryTip);
		}

		}

src/com/android/settings/fuelgauge/batterytip/detectors/BatteryTipDetector.java

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		/*
		* Copyright (C) 2017 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.fuelgauge.batterytip.detectors;

		import com.android.settings.fuelgauge.batterytip.tips.BatteryTip;

		public interface BatteryTipDetector {
		/**
		* Detect and update the status of {@link BatteryTip}
		*
		* @return a not null {@link BatteryTip}
		*/
		BatteryTip detect();
		}

src/com/android/settings/fuelgauge/batterytip/detectors/LowBatteryDetector.java

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		/*
		* Copyright (C) 2017 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.fuelgauge.batterytip.detectors;

		import android.text.format.DateUtils;

		import com.android.settings.fuelgauge.BatteryInfo;
		import com.android.settings.fuelgauge.batterytip.BatteryTipPolicy;
		import com.android.settings.fuelgauge.batterytip.tips.BatteryTip;
		import com.android.settings.fuelgauge.batterytip.tips.LowBatteryTip;

		/**
		* Detect whether the battery is too low
		*/
		public class LowBatteryDetector implements BatteryTipDetector {
		private BatteryInfo mBatteryInfo;
		private BatteryTipPolicy mPolicy;

		public LowBatteryDetector(BatteryTipPolicy policy, BatteryInfo batteryInfo) {
		mPolicy = policy;
		mBatteryInfo = batteryInfo;
		}

		@Override
		public BatteryTip detect() {
		// Show it if battery life is less than mPolicy.lowBatteryHour
		final boolean isShown = mPolicy.lowBatteryEnabled && mBatteryInfo.discharging
		&& mBatteryInfo.remainingTimeUs < mPolicy.lowBatteryHour * DateUtils.HOUR_IN_MILLIS;
		return new LowBatteryTip(
		isShown ? BatteryTip.StateType.NEW : BatteryTip.StateType.INVISIBLE);
		}
		}