Merge "Render enhanced battery projection curves." into oc-dr1-dev am: 32812e6121 (f85fcb9f) · Commits · e / os / android_packages_apps_Settings

src/com/android/settings/fuelgauge/BatteryInfo.java

+33 −22

Original line number	Diff line number	Diff line
		@@ -30,10 +30,10 @@ import android.text.format.Formatter;
		import android.util.SparseIntArray;

		import com.android.internal.os.BatteryStatsHelper;
		import com.android.settings.overlay.FeatureFactory;
		import com.android.settingslib.R;
		import com.android.settings.Utils;
		import com.android.settings.graph.UsageView;
		import com.android.settings.overlay.FeatureFactory;
		import com.android.settingslib.R;

		public class BatteryInfo {

		@@ -54,18 +54,20 @@ public class BatteryInfo {
		}

		public void bindHistory(final UsageView view, BatteryDataParser... parsers) {
		final Context context = view.getContext();
		BatteryDataParser parser = new BatteryDataParser() {
		SparseIntArray points = new SparseIntArray();
		long startTime;
		int lastTime = -1;
		byte lastLevel;
		int maxTime;

		@Override
		public void onParsingStarted(long startTime, long endTime) {
		this.maxTime = (int) (endTime - startTime);
		timePeriod = maxTime - (remainingTimeUs / 1000);
		this.startTime = startTime;
		timePeriod = endTime - startTime;
		view.clearPaths();
		view.configureGraph(maxTime, 100);
		// Initially configure the graph for history only.
		view.configureGraph((int) timePeriod, 100);
		}

		@Override
		@@ -87,10 +89,27 @@ public class BatteryInfo {
		public void onParsingDone() {
		onDataGap();

		// Add linear projection
		if (lastTime >= 0 && remainingTimeUs != 0) {
		// Add projection if we have an estimate.
		if (remainingTimeUs != 0) {
		PowerUsageFeatureProvider provider = FeatureFactory.getFactory(context)
		.getPowerUsageFeatureProvider(context);
		if (!mCharging && provider.isEnhancedBatteryPredictionEnabled(context)) {
		points = provider.getEnhancedBatteryPredictionCurve(context, startTime);
		} else {
		// Linear extrapolation.
		if (lastTime >= 0) {
		points.put(lastTime, lastLevel);
		points.put(maxTime, mCharging ? 100 : 0);
		points.put((int) (timePeriod +
		BatteryUtils.convertUsToMs(remainingTimeUs)),
		mCharging ? 100 : 0);
		}
		}
		}

		// If we have a projection, reconfigure the graph to show it.
		if (points != null && points.size() > 0) {
		int maxTime = points.keyAt(points.size() - 1);
		view.configureGraph(maxTime, 100);
		view.addProjectedPath(points);
		}
		}
		@@ -100,8 +119,7 @@ public class BatteryInfo {
		parserList[i] = parsers[i];
		}
		parserList[parsers.length] = parser;
		parse(mStats, remainingTimeUs, parserList);
		final Context context = view.getContext();
		parse(mStats, parserList);
		String timeString = context.getString(R.string.charge_length_format,
		Formatter.formatShortElapsedTime(context, timePeriod));
		String remaining = "";
		@@ -249,14 +267,11 @@ public class BatteryInfo {
		void onParsingDone();
		}

		private static void parse(BatteryStats stats, long remainingTimeUs,
		BatteryDataParser... parsers) {
		private static void parse(BatteryStats stats, BatteryDataParser... parsers) {
		long startWalltime = 0;
		long endDateWalltime = 0;
		long endWalltime = 0;
		long historyStart = 0;
		long historyEnd = 0;
		byte lastLevel = -1;
		long curWalltime = startWalltime;
		long lastWallTime = 0;
		long lastRealtime = 0;
		@@ -292,17 +307,13 @@ public class BatteryInfo {
		}
		}
		if (rec.isDeltaData()) {
		if (rec.batteryLevel != lastLevel \|\| pos == 1) {
		lastLevel = rec.batteryLevel;
		}
		lastInteresting = pos;
		historyEnd = rec.time;
		}
		}
		}
		stats.finishIteratingHistoryLocked();
		endDateWalltime = lastWallTime + historyEnd - lastRealtime;
		endWalltime = endDateWalltime + (remainingTimeUs / 1000);
		endWalltime = lastWallTime + historyEnd - lastRealtime;

		int i = 0;
		final int N = lastInteresting;
		@@ -310,7 +321,7 @@ public class BatteryInfo {
		for (int j = 0; j < parsers.length; j++) {
		parsers[j].onParsingStarted(startWalltime, endWalltime);
		}
		if (endDateWalltime > startWalltime && stats.startIteratingHistoryLocked()) {
		if (endWalltime > startWalltime && stats.startIteratingHistoryLocked()) {
		final HistoryItem rec = new HistoryItem();
		while (stats.getNextHistoryLocked(rec) && i < N) {
		if (rec.isDeltaData()) {

src/com/android/settings/fuelgauge/PowerUsageFeatureProvider.java

+8 −1

Original line number	Diff line number	Diff line
		@@ -20,8 +20,9 @@ import android.content.Context;
		import android.content.Intent;
		import android.database.Cursor;
		import android.net.Uri;
		import android.util.SparseIntArray;

		import com.android.internal.os.BatterySipper;
		import com.android.settings.fuelgauge.anomaly.Anomaly;

		/**
		* Feature Provider used in power usage
		@@ -67,6 +68,12 @@ public interface PowerUsageFeatureProvider {
		*/
		long getEnhancedBatteryPrediction(Context context);

		/**
		* Returns an improved projection curve for future battery level.
		* @param zeroTime timestamps (array keys) are shifted by this amount
		*/
		SparseIntArray getEnhancedBatteryPredictionCurve(Context context, long zeroTime);

		/**
		* Checks whether the toggle for enhanced battery predictions is enabled.
		*/

src/com/android/settings/fuelgauge/PowerUsageFeatureProviderImpl.java

+7 −1

Original line number	Diff line number	Diff line
		@@ -22,9 +22,10 @@ import android.content.pm.PackageManager;
		import android.database.Cursor;
		import android.net.Uri;
		import android.os.Process;
		import android.util.SparseIntArray;

		import com.android.internal.os.BatterySipper;
		import com.android.internal.util.ArrayUtils;
		import com.android.settings.fuelgauge.anomaly.Anomaly;

		public class PowerUsageFeatureProviderImpl implements PowerUsageFeatureProvider {

		@@ -93,6 +94,11 @@ public class PowerUsageFeatureProviderImpl implements PowerUsageFeatureProvider
		return -1;
		}

		@Override
		public SparseIntArray getEnhancedBatteryPredictionCurve(Context context, long zeroTime) {
		return null;
		}

		@Override
		public boolean isEnhancedBatteryPredictionEnabled(Context context) {
		return false;

src/com/android/settings/graph/UsageGraph.java

+8 −1

Original line number	Diff line number	Diff line
		@@ -110,6 +110,8 @@ public class UsageGraph extends View {
		void setMax(int maxX, int maxY) {
		mMaxX = maxX;
		mMaxY = maxY;
		calculateLocalPaths();
		postInvalidate();
		}

		void setDividerLoc(int height) {
		@@ -151,6 +153,10 @@ public class UsageGraph extends View {
		protected void onSizeChanged(int w, int h, int oldw, int oldh) {
		super.onSizeChanged(w, h, oldw, oldh);
		updateGradient();
		calculateLocalPaths();
		}

		private void calculateLocalPaths() {
		calculateLocalPaths(mPaths, mLocalPaths);
		calculateLocalPaths(mProjectedPaths, mLocalProjectedPaths);
		}
		@@ -222,9 +228,10 @@ public class UsageGraph extends View {
		mMiddleDividerTint);
		drawDivider(canvas.getHeight() - mDividerSize, canvas, -1);

		if (mLocalPaths.size() == 0 && mProjectedPaths.size() == 0) {
		if (mLocalPaths.size() == 0 && mLocalProjectedPaths.size() == 0) {
		return;
		}

		drawLinePath(canvas, mLocalProjectedPaths, mDottedPaint);
		drawFilledPath(canvas, mLocalPaths, mFillPaint);
		drawLinePath(canvas, mLocalPaths, mLinePaint);

tests/robotests/src/com/android/settings/fuelgauge/BatteryInfoTest.java

+140 −10

Original line number	Diff line number	Diff line
		@@ -16,34 +16,45 @@

		package com.android.settings.fuelgauge;

		import static com.google.common.truth.Truth.assertThat;

		import static org.mockito.ArgumentMatchers.anyInt;
		import static org.mockito.Matchers.anyLong;
		import static org.mockito.Mockito.any;
		import static org.mockito.Mockito.doAnswer;
		import static org.mockito.Mockito.doReturn;
		import static org.mockito.Mockito.mock;
		import static org.mockito.Mockito.never;
		import static org.mockito.Mockito.spy;
		import static org.mockito.Mockito.times;
		import static org.mockito.Mockito.verify;

		import android.content.Context;
		import android.content.Intent;
		import android.content.res.Resources;
		import android.os.BatteryManager;
		import android.os.BatteryStats;
		import android.os.SystemClock;
		import android.util.SparseIntArray;

		import com.android.settings.testutils.SettingsRobolectricTestRunner;
		import com.android.settings.TestConfig;
		import com.android.settings.graph.UsageView;
		import com.android.settings.testutils.FakeFeatureFactory;
		import com.android.settings.testutils.SettingsRobolectricTestRunner;

		import java.util.concurrent.TimeUnit;
		import org.junit.Before;
		import org.junit.Test;
		import org.junit.runner.RunWith;
		import org.mockito.Answers;
		import org.mockito.ArgumentCaptor;
		import org.mockito.Mock;
		import org.mockito.MockitoAnnotations;
		import org.mockito.invocation.InvocationOnMock;
		import org.mockito.stubbing.Answer;
		import org.robolectric.RuntimeEnvironment;
		import org.robolectric.annotation.Config;

		import static com.google.common.truth.Truth.assertThat;

		import static org.mockito.Matchers.any;
		import static org.mockito.Matchers.anyLong;
		import static org.mockito.Matchers.eq;
		import static org.mockito.Mockito.doReturn;
		import static org.mockito.Mockito.spy;
		import java.util.concurrent.TimeUnit;

		@RunWith(SettingsRobolectricTestRunner.class)
		@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
		@@ -62,6 +73,7 @@ public class BatteryInfoTest {
		private Intent mDisChargingBatteryBroadcast;
		private Intent mChargingBatteryBroadcast;
		private Context mContext;
		private FakeFeatureFactory mFeatureFactory;

		@Mock(answer = Answers.RETURNS_DEEP_STUBS)
		private BatteryStats mBatteryStats;
		@@ -73,7 +85,7 @@ public class BatteryInfoTest {
		public void setUp() {
		MockitoAnnotations.initMocks(this);
		mContext = spy(RuntimeEnvironment.application);
		FakeFeatureFactory.setupForTest(mContext);
		mFeatureFactory = FakeFeatureFactory.setupForTest(mContext);

		mDisChargingBatteryBroadcast = new Intent();
		mDisChargingBatteryBroadcast.putExtra(BatteryManager.EXTRA_PLUGGED, 0);
		@@ -175,4 +187,122 @@ public class BatteryInfoTest {

		assertThat(info.chargeLabel).isEqualTo("100%");
		}

		// Make our battery stats return a sequence of battery events.
		private void mockBatteryStatsHistory() {
		// Mock out new data every time start...Locked is called.
		doAnswer(invocation -> {
		doAnswer(new Answer() {
		private int count = 0;
		private long[] times = {1000, 1500, 2000};
		private byte[] levels = {99, 98, 97};

		@Override
		public Object answer(InvocationOnMock invocation) throws Throwable {
		if (count == times.length) {
		return false;
		}
		BatteryStats.HistoryItem record = invocation.getArgument(0);
		record.cmd = BatteryStats.HistoryItem.CMD_UPDATE;
		record.time = times[count];
		record.batteryLevel = levels[count];
		count++;
		return true;
		}
		}).when(mBatteryStats).getNextHistoryLocked(any(BatteryStats.HistoryItem.class));
		return true;
		}).when(mBatteryStats).startIteratingHistoryLocked();
		}

		private void assertOnlyHistory(BatteryInfo info) {
		mockBatteryStatsHistory();
		UsageView view = mock(UsageView.class);
		doReturn(mContext).when(view).getContext();

		info.bindHistory(view);
		verify(view, times(1)).configureGraph(anyInt(), anyInt());
		verify(view, times(1)).addPath(any(SparseIntArray.class));
		verify(view, never()).addProjectedPath(any(SparseIntArray.class));
		}

		private void assertHistoryAndLinearProjection(BatteryInfo info) {
		mockBatteryStatsHistory();
		UsageView view = mock(UsageView.class);
		doReturn(mContext).when(view).getContext();

		info.bindHistory(view);
		verify(view, times(2)).configureGraph(anyInt(), anyInt());
		verify(view, times(1)).addPath(any(SparseIntArray.class));
		ArgumentCaptor<SparseIntArray> pointsActual = ArgumentCaptor.forClass(SparseIntArray.class);
		verify(view, times(1)).addProjectedPath(pointsActual.capture());

		// Check that we have two points and the first is correct.
		assertThat(pointsActual.getValue().size()).isEqualTo(2);
		assertThat(pointsActual.getValue().keyAt(0)).isEqualTo(2000);
		assertThat(pointsActual.getValue().valueAt(0)).isEqualTo(97);
		}

		private void assertHistoryAndEnhancedProjection(BatteryInfo info) {
		mockBatteryStatsHistory();
		UsageView view = mock(UsageView.class);
		doReturn(mContext).when(view).getContext();
		SparseIntArray pointsExpected = new SparseIntArray();
		pointsExpected.append(2000, 96);
		pointsExpected.append(2500, 95);
		pointsExpected.append(3000, 94);
		doReturn(pointsExpected).when(mFeatureFactory.powerUsageFeatureProvider)
		.getEnhancedBatteryPredictionCurve(any(Context.class), anyLong());

		info.bindHistory(view);
		verify(view, times(2)).configureGraph(anyInt(), anyInt());
		verify(view, times(1)).addPath(any(SparseIntArray.class));
		ArgumentCaptor<SparseIntArray> pointsActual = ArgumentCaptor.forClass(SparseIntArray.class);
		verify(view, times(1)).addProjectedPath(pointsActual.capture());
		assertThat(pointsActual.getValue()).isEqualTo(pointsExpected);
		}

		private BatteryInfo getBatteryInfo(boolean charging, boolean enhanced, boolean estimate) {
		if (charging && estimate) {
		doReturn(1000L).when(mBatteryStats).computeChargeTimeRemaining(anyLong());
		} else {
		doReturn(0L).when(mBatteryStats).computeChargeTimeRemaining(anyLong());
		}
		BatteryInfo info = BatteryInfo.getBatteryInfo(mContext,
		charging ? mChargingBatteryBroadcast : mDisChargingBatteryBroadcast,
		mBatteryStats, SystemClock.elapsedRealtime() * 1000, false,
		estimate ? 1000 : 0 /* drainTimeUs */, false);
		doReturn(enhanced).when(mFeatureFactory.powerUsageFeatureProvider)
		.isEnhancedBatteryPredictionEnabled(mContext);
		return info;
		}

		@Test
		public void testBindHistory() {
		BatteryInfo info;

		info = getBatteryInfo(false /* charging /, false / enhanced /, false / estimate */);
		assertOnlyHistory(info);

		info = getBatteryInfo(false /* charging /, false / enhanced /, true / estimate */);
		assertHistoryAndLinearProjection(info);

		info = getBatteryInfo(false /* charging /, true / enhanced /, false / estimate */);
		assertOnlyHistory(info);

		info = getBatteryInfo(false /* charging /, true / enhanced /, true / estimate */);
		assertHistoryAndEnhancedProjection(info);

		info = getBatteryInfo(true /* charging /, false / enhanced /, false / estimate */);
		assertOnlyHistory(info);

		info = getBatteryInfo(true /* charging /, false / enhanced /, true / estimate */);
		assertHistoryAndLinearProjection(info);

		info = getBatteryInfo(true /* charging /, true / enhanced /, false / estimate */);
		assertOnlyHistory(info);

		// Linear projection for charging even in enhanced mode.
		info = getBatteryInfo(true /* charging /, true / enhanced /, true / estimate */);
		assertHistoryAndLinearProjection(info);
		}
		}