Remove Unused DataCollector and SensorLoggerSession. (162a34a3) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/analytics/DataCollector.java

deleted100644 → 0

+0 −506

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2015 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.systemui.analytics;

		import static com.android.systemui.statusbar.phone.nano.TouchAnalyticsProto.Session;
		import static com.android.systemui.statusbar.phone.nano.TouchAnalyticsProto.Session.PhoneEvent;

		import android.content.Context;
		import android.database.ContentObserver;
		import android.hardware.Sensor;
		import android.hardware.SensorEvent;
		import android.hardware.SensorEventListener;
		import android.net.Uri;
		import android.os.AsyncTask;
		import android.os.Build;
		import android.os.Handler;
		import android.os.Looper;
		import android.os.UserHandle;
		import android.provider.Settings;
		import android.util.Log;
		import android.view.MotionEvent;
		import android.widget.Toast;

		import com.android.systemui.Dependency;
		import com.android.systemui.plugins.FalsingPlugin;
		import com.android.systemui.plugins.PluginListener;
		import com.android.systemui.shared.plugins.PluginManager;

		import java.io.File;
		import java.io.FileOutputStream;
		import java.io.IOException;

		/**
		* Tracks touch, sensor and phone events when the lockscreen is on. If the phone is unlocked
		* the data containing these events is saved to a file. This data is collected
		* to analyze how a human interaction looks like.
		*
		* A session starts when the screen is turned on.
		* A session ends when the screen is turned off or user unlocks the phone.
		*/
		public class DataCollector implements SensorEventListener {
		private static final String TAG = "DataCollector";
		private static final String COLLECTOR_ENABLE = "data_collector_enable";
		private static final String COLLECT_BAD_TOUCHES = "data_collector_collect_bad_touches";
		private static final String ALLOW_REJECTED_TOUCH_REPORTS =
		"data_collector_allow_rejected_touch_reports";
		private static final String DISABLE_UNLOCKING_FOR_FALSING_COLLECTION =
		"data_collector_disable_unlocking";

		private static final long TIMEOUT_MILLIS = 11000; // 11 seconds.
		public static final boolean DEBUG = false;

		private final Handler mHandler = new Handler(Looper.getMainLooper());
		private final Context mContext;

		// Err on the side of caution, so logging is not started after a crash even tough the screen
		// is off.
		private SensorLoggerSession mCurrentSession = null;

		private boolean mEnableCollector = false;
		private boolean mCollectBadTouches = false;
		private boolean mCornerSwiping = false;
		private boolean mTrackingStarted = false;
		private boolean mAllowReportRejectedTouch = false;
		private boolean mDisableUnlocking = false;

		private static DataCollector sInstance = null;

		private FalsingPlugin mFalsingPlugin = null;

		protected final ContentObserver mSettingsObserver = new ContentObserver(mHandler) {
		@Override
		public void onChange(boolean selfChange) {
		updateConfiguration();
		}
		};

		private final PluginListener mPluginListener = new PluginListener<FalsingPlugin>() {
		public void onPluginConnected(FalsingPlugin plugin, Context context) {
		mFalsingPlugin = plugin;
		}

		public void onPluginDisconnected(FalsingPlugin plugin) {
		mFalsingPlugin = null;
		}
		};

		private DataCollector(Context context) {
		mContext = context;

		mContext.getContentResolver().registerContentObserver(
		Settings.Secure.getUriFor(COLLECTOR_ENABLE), false,
		mSettingsObserver,
		UserHandle.USER_ALL);

		mContext.getContentResolver().registerContentObserver(
		Settings.Secure.getUriFor(COLLECT_BAD_TOUCHES), false,
		mSettingsObserver,
		UserHandle.USER_ALL);

		mContext.getContentResolver().registerContentObserver(
		Settings.Secure.getUriFor(ALLOW_REJECTED_TOUCH_REPORTS), false,
		mSettingsObserver,
		UserHandle.USER_ALL);

		mContext.getContentResolver().registerContentObserver(
		Settings.Secure.getUriFor(DISABLE_UNLOCKING_FOR_FALSING_COLLECTION), false,
		mSettingsObserver,
		UserHandle.USER_ALL);

		updateConfiguration();

		Dependency.get(PluginManager.class).addPluginListener(mPluginListener, FalsingPlugin.class);
		}

		public static DataCollector getInstance(Context context) {
		if (sInstance == null) {
		sInstance = new DataCollector(context);
		}
		return sInstance;
		}

		private void updateConfiguration() {
		mEnableCollector = Build.IS_DEBUGGABLE && 0 != Settings.Secure.getInt(
		mContext.getContentResolver(),
		COLLECTOR_ENABLE, 0);
		mCollectBadTouches = mEnableCollector && 0 != Settings.Secure.getInt(
		mContext.getContentResolver(),
		COLLECT_BAD_TOUCHES, 0);
		mAllowReportRejectedTouch = Build.IS_DEBUGGABLE && 0 != Settings.Secure.getInt(
		mContext.getContentResolver(),
		ALLOW_REJECTED_TOUCH_REPORTS, 0);
		mDisableUnlocking = mEnableCollector && Build.IS_DEBUGGABLE && 0 != Settings.Secure.getInt(
		mContext.getContentResolver(),
		DISABLE_UNLOCKING_FOR_FALSING_COLLECTION, 0);
		}

		private boolean sessionEntrypoint() {
		if (isEnabled() && mCurrentSession == null) {
		onSessionStart();
		return true;
		}
		return false;
		}

		private void sessionExitpoint(int result) {
		if (mCurrentSession != null) {
		onSessionEnd(result);
		}
		}

		private void onSessionStart() {
		mCornerSwiping = false;
		mTrackingStarted = false;
		mCurrentSession = new SensorLoggerSession(System.currentTimeMillis(), System.nanoTime());
		}

		private void onSessionEnd(int result) {
		SensorLoggerSession session = mCurrentSession;
		mCurrentSession = null;

		if (mEnableCollector \|\| mDisableUnlocking) {
		session.end(System.currentTimeMillis(), result);
		queueSession(session);
		}
		}

		public Uri reportRejectedTouch() {
		if (mCurrentSession == null) {
		Toast.makeText(mContext, "Generating rejected touch report failed: session timed out.",
		Toast.LENGTH_LONG).show();
		return null;
		}
		SensorLoggerSession currentSession = mCurrentSession;

		currentSession.setType(Session.REJECTED_TOUCH_REPORT);
		currentSession.end(System.currentTimeMillis(), Session.SUCCESS);
		Session proto = currentSession.toProto();

		byte[] b = Session.toByteArray(proto);
		File dir = new File(mContext.getExternalCacheDir(), "rejected_touch_reports");
		dir.mkdir();
		File touch = new File(dir, "rejected_touch_report_" + System.currentTimeMillis());

		try {
		new FileOutputStream(touch).write(b);
		} catch (IOException e) {
		throw new RuntimeException(e);
		}

		return Uri.fromFile(touch);
		}

		private void queueSession(final SensorLoggerSession currentSession) {
		AsyncTask.execute(new Runnable() {
		@Override
		public void run() {
		byte[] b = Session.toByteArray(currentSession.toProto());

		if (mFalsingPlugin != null) {
		mFalsingPlugin.dataCollected(currentSession.getResult() == Session.SUCCESS, b);
		} else {
		String dir = mContext.getFilesDir().getAbsolutePath();
		if (currentSession.getResult() != Session.SUCCESS) {
		if (!mDisableUnlocking && !mCollectBadTouches) {
		return;
		}
		dir += "/bad_touches";
		} else if (!mDisableUnlocking) {
		dir += "/good_touches";
		}

		File file = new File(dir);
		file.mkdir();
		File touch = new File(file, "trace_" + System.currentTimeMillis());
		try {
		new FileOutputStream(touch).write(b);
		} catch (IOException e) {
		throw new RuntimeException(e);
		}
		}
		}
		});
		}

		@Override
		public synchronized void onSensorChanged(SensorEvent event) {
		if (isEnabled() && mCurrentSession != null) {
		mCurrentSession.addSensorEvent(event, System.nanoTime());
		}
		}

		@Override
		public void onAccuracyChanged(Sensor sensor, int accuracy) {
		}

		/**
		* @return true if data is being collected - either for data gathering or creating a
		* rejected touch report.
		*/
		public boolean isEnabled() {
		return mEnableCollector \|\| mAllowReportRejectedTouch \|\| mDisableUnlocking;
		}

		public boolean isUnlockingDisabled() {
		return mDisableUnlocking;
		}
		/**
		* @return true if the full data set for data gathering should be collected - including
		* extensive sensor data, which is is not normally included with rejected touch reports.
		*/
		public boolean isEnabledFull() {
		return mEnableCollector;
		}

		public void onScreenTurningOn() {
		if (sessionEntrypoint()) {
		if (DEBUG) {
		Log.d(TAG, "onScreenTurningOn");
		}
		addEvent(PhoneEvent.ON_SCREEN_ON);
		}
		}

		public void onScreenOnFromTouch() {
		if (sessionEntrypoint()) {
		if (DEBUG) {
		Log.d(TAG, "onScreenOnFromTouch");
		}
		addEvent(PhoneEvent.ON_SCREEN_ON_FROM_TOUCH);
		}
		}

		public void onScreenOff() {
		if (DEBUG) {
		Log.d(TAG, "onScreenOff");
		}
		addEvent(PhoneEvent.ON_SCREEN_OFF);
		sessionExitpoint(Session.FAILURE);
		}

		public void onSucccessfulUnlock() {
		if (DEBUG) {
		Log.d(TAG, "onSuccessfulUnlock");
		}
		addEvent(PhoneEvent.ON_SUCCESSFUL_UNLOCK);
		sessionExitpoint(Session.SUCCESS);
		}

		public void onBouncerShown() {
		if (DEBUG) {
		Log.d(TAG, "onBouncerShown");
		}
		addEvent(PhoneEvent.ON_BOUNCER_SHOWN);
		}

		public void onBouncerHidden() {
		if (DEBUG) {
		Log.d(TAG, "onBouncerHidden");
		}
		addEvent(PhoneEvent.ON_BOUNCER_HIDDEN);
		}

		public void onQsDown() {
		if (DEBUG) {
		Log.d(TAG, "onQsDown");
		}
		addEvent(PhoneEvent.ON_QS_DOWN);
		}

		public void setQsExpanded(boolean expanded) {
		if (DEBUG) {
		Log.d(TAG, "setQsExpanded = " + expanded);
		}
		if (expanded) {
		addEvent(PhoneEvent.SET_QS_EXPANDED_TRUE);
		} else {
		addEvent(PhoneEvent.SET_QS_EXPANDED_FALSE);
		}
		}

		public void onTrackingStarted() {
		if (DEBUG) {
		Log.d(TAG, "onTrackingStarted");
		}
		mTrackingStarted = true;
		addEvent(PhoneEvent.ON_TRACKING_STARTED);
		}

		public void onTrackingStopped() {
		if (mTrackingStarted) {
		if (DEBUG) {
		Log.d(TAG, "onTrackingStopped");
		}
		mTrackingStarted = false;
		addEvent(PhoneEvent.ON_TRACKING_STOPPED);
		}
		}

		public void onNotificationActive() {
		if (DEBUG) {
		Log.d(TAG, "onNotificationActive");
		}
		addEvent(PhoneEvent.ON_NOTIFICATION_ACTIVE);
		}


		public void onNotificationDoubleTap() {
		if (DEBUG) {
		Log.d(TAG, "onNotificationDoubleTap");
		}
		addEvent(PhoneEvent.ON_NOTIFICATION_DOUBLE_TAP);
		}

		public void setNotificationExpanded() {
		if (DEBUG) {
		Log.d(TAG, "setNotificationExpanded");
		}
		addEvent(PhoneEvent.SET_NOTIFICATION_EXPANDED);
		}

		public void onNotificatonStartDraggingDown() {
		if (DEBUG) {
		Log.d(TAG, "onNotificationStartDraggingDown");
		}
		addEvent(PhoneEvent.ON_NOTIFICATION_START_DRAGGING_DOWN);
		}

		public void onStartExpandingFromPulse() {
		if (DEBUG) {
		Log.d(TAG, "onStartExpandingFromPulse");
		}
		// TODO: maybe add event
		}

		public void onExpansionFromPulseStopped() {
		if (DEBUG) {
		Log.d(TAG, "onExpansionFromPulseStopped");
		}
		// TODO: maybe add event
		}

		public void onNotificatonStopDraggingDown() {
		if (DEBUG) {
		Log.d(TAG, "onNotificationStopDraggingDown");
		}
		addEvent(PhoneEvent.ON_NOTIFICATION_STOP_DRAGGING_DOWN);
		}

		public void onNotificationDismissed() {
		if (DEBUG) {
		Log.d(TAG, "onNotificationDismissed");
		}
		addEvent(PhoneEvent.ON_NOTIFICATION_DISMISSED);
		}

		public void onNotificatonStartDismissing() {
		if (DEBUG) {
		Log.d(TAG, "onNotificationStartDismissing");
		}
		addEvent(PhoneEvent.ON_NOTIFICATION_START_DISMISSING);
		}

		public void onNotificatonStopDismissing() {
		if (DEBUG) {
		Log.d(TAG, "onNotificationStopDismissing");
		}
		addEvent(PhoneEvent.ON_NOTIFICATION_STOP_DISMISSING);
		}

		public void onCameraOn() {
		if (DEBUG) {
		Log.d(TAG, "onCameraOn");
		}
		addEvent(PhoneEvent.ON_CAMERA_ON);
		}

		public void onLeftAffordanceOn() {
		if (DEBUG) {
		Log.d(TAG, "onLeftAffordanceOn");
		}
		addEvent(PhoneEvent.ON_LEFT_AFFORDANCE_ON);
		}

		public void onAffordanceSwipingStarted(boolean rightCorner) {
		if (DEBUG) {
		Log.d(TAG, "onAffordanceSwipingStarted");
		}
		mCornerSwiping = true;
		if (rightCorner) {
		addEvent(PhoneEvent.ON_RIGHT_AFFORDANCE_SWIPING_STARTED);
		} else {
		addEvent(PhoneEvent.ON_LEFT_AFFORDANCE_SWIPING_STARTED);
		}
		}

		public void onAffordanceSwipingAborted() {
		if (mCornerSwiping) {
		if (DEBUG) {
		Log.d(TAG, "onAffordanceSwipingAborted");
		}
		mCornerSwiping = false;
		addEvent(PhoneEvent.ON_AFFORDANCE_SWIPING_ABORTED);
		}
		}

		public void onUnlockHintStarted() {
		if (DEBUG) {
		Log.d(TAG, "onUnlockHintStarted");
		}
		addEvent(PhoneEvent.ON_UNLOCK_HINT_STARTED);
		}

		public void onCameraHintStarted() {
		if (DEBUG) {
		Log.d(TAG, "onCameraHintStarted");
		}
		addEvent(PhoneEvent.ON_CAMERA_HINT_STARTED);
		}

		public void onLeftAffordanceHintStarted() {
		if (DEBUG) {
		Log.d(TAG, "onLeftAffordanceHintStarted");
		}
		addEvent(PhoneEvent.ON_LEFT_AFFORDANCE_HINT_STARTED);
		}

		public void onTouchEvent(MotionEvent event, int width, int height) {
		if (mCurrentSession != null) {
		if (DEBUG) {
		Log.v(TAG, "onTouchEvent(ev.action="
		+ MotionEvent.actionToString(event.getAction()) + ")");
		}
		mCurrentSession.addMotionEvent(event);
		mCurrentSession.setTouchArea(width, height);
		}
		}

		private void addEvent(int eventType) {
		if (isEnabled() && mCurrentSession != null) {
		mCurrentSession.addPhoneEvent(eventType, System.nanoTime());
		}
		}

		public boolean isReportingEnabled() {
		return mAllowReportRejectedTouch;
		}

		public void onFalsingSessionStarted() {
		sessionEntrypoint();
		}
		}

packages/SystemUI/src/com/android/systemui/analytics/SensorLoggerSession.java

deleted100644 → 0

+0 −165

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2015 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.systemui.analytics;

		import static com.android.systemui.statusbar.phone.nano.TouchAnalyticsProto.Session;
		import static com.android.systemui.statusbar.phone.nano.TouchAnalyticsProto.Session.PhoneEvent;
		import static com.android.systemui.statusbar.phone.nano.TouchAnalyticsProto.Session.SensorEvent;
		import static com.android.systemui.statusbar.phone.nano.TouchAnalyticsProto.Session.TouchEvent;

		import android.os.Build;
		import android.util.Log;
		import android.view.MotionEvent;

		import java.util.ArrayList;

		/**
		* Collects touch, sensor and phone events and converts the data to
		* TouchAnalyticsProto.Session.
		*/
		public class SensorLoggerSession {
		private static final String TAG = "SensorLoggerSession";

		private final long mStartTimestampMillis;
		private final long mStartSystemTimeNanos;

		private long mEndTimestampMillis;
		private int mType;

		private ArrayList<TouchEvent> mMotionEvents = new ArrayList<>();
		private ArrayList<SensorEvent> mSensorEvents = new ArrayList<>();
		private ArrayList<PhoneEvent> mPhoneEvents = new ArrayList<>();
		private int mTouchAreaHeight;
		private int mTouchAreaWidth;
		private int mResult = Session.UNKNOWN;

		public SensorLoggerSession(long startTimestampMillis, long startSystemTimeNanos) {
		mStartTimestampMillis = startTimestampMillis;
		mStartSystemTimeNanos = startSystemTimeNanos;
		mType = Session.REAL;
		}

		public void setType(int type) {
		mType = type;
		}

		public void end(long endTimestampMillis, int result) {
		mResult = result;
		mEndTimestampMillis = endTimestampMillis;

		if (DataCollector.DEBUG) {
		Log.d(TAG, "Ending session result=" + result + " it lasted for " +
		(float) (mEndTimestampMillis - mStartTimestampMillis) / 1000f + "s");
		}
		}

		public void addMotionEvent(MotionEvent motionEvent) {
		TouchEvent event = motionEventToProto(motionEvent);
		mMotionEvents.add(event);
		}

		public void addSensorEvent(android.hardware.SensorEvent eventOrig, long systemTimeNanos) {
		SensorEvent event = sensorEventToProto(eventOrig, systemTimeNanos);
		mSensorEvents.add(event);
		}

		public void addPhoneEvent(int eventType, long systemTimeNanos) {
		PhoneEvent event = phoneEventToProto(eventType, systemTimeNanos);
		mPhoneEvents.add(event);
		}


		@Override
		public String toString() {
		final StringBuilder sb = new StringBuilder("Session{");
		sb.append("mStartTimestampMillis=").append(mStartTimestampMillis);
		sb.append(", mStartSystemTimeNanos=").append(mStartSystemTimeNanos);
		sb.append(", mEndTimestampMillis=").append(mEndTimestampMillis);
		sb.append(", mResult=").append(mResult);
		sb.append(", mTouchAreaHeight=").append(mTouchAreaHeight);
		sb.append(", mTouchAreaWidth=").append(mTouchAreaWidth);
		sb.append(", mMotionEvents=[size=").append(mMotionEvents.size()).append("]");
		sb.append(", mSensorEvents=[size=").append(mSensorEvents.size()).append("]");
		sb.append(", mPhoneEvents=[size=").append(mPhoneEvents.size()).append("]");
		sb.append('}');
		return sb.toString();
		}

		public Session toProto() {
		Session proto = new Session();
		proto.startTimestampMillis = mStartTimestampMillis;
		proto.durationMillis = mEndTimestampMillis - mStartTimestampMillis;
		proto.build = Build.FINGERPRINT;
		proto.deviceId = Build.DEVICE;
		proto.result = mResult;
		proto.type = mType;
		proto.sensorEvents = mSensorEvents.toArray(proto.sensorEvents);
		proto.touchEvents = mMotionEvents.toArray(proto.touchEvents);
		proto.phoneEvents = mPhoneEvents.toArray(proto.phoneEvents);
		proto.touchAreaWidth = mTouchAreaWidth;
		proto.touchAreaHeight = mTouchAreaHeight;
		return proto;
		}

		private PhoneEvent phoneEventToProto(int eventType, long sysTimeNanos) {
		PhoneEvent proto = new PhoneEvent();
		proto.type = eventType;
		proto.timeOffsetNanos = sysTimeNanos - mStartSystemTimeNanos;
		return proto;
		}

		private SensorEvent sensorEventToProto(android.hardware.SensorEvent ev, long sysTimeNanos) {
		SensorEvent proto = new SensorEvent();
		proto.type = ev.sensor.getType();
		proto.timeOffsetNanos = sysTimeNanos - mStartSystemTimeNanos;
		proto.timestamp = ev.timestamp;
		proto.values = ev.values.clone();
		return proto;
		}

		private TouchEvent motionEventToProto(MotionEvent ev) {
		int count = ev.getPointerCount();
		TouchEvent proto = new TouchEvent();
		proto.timeOffsetNanos = ev.getEventTimeNano() - mStartSystemTimeNanos;
		proto.action = ev.getActionMasked();
		proto.actionIndex = ev.getActionIndex();
		proto.pointers = new TouchEvent.Pointer[count];
		for (int i = 0; i < count; i++) {
		TouchEvent.Pointer p = new TouchEvent.Pointer();
		p.x = ev.getX(i);
		p.y = ev.getY(i);
		p.size = ev.getSize(i);
		p.pressure = ev.getPressure(i);
		p.id = ev.getPointerId(i);
		proto.pointers[i] = p;
		}
		return proto;
		}

		public void setTouchArea(int width, int height) {
		mTouchAreaWidth = width;
		mTouchAreaHeight = height;
		}

		public int getResult() {
		return mResult;
		}

		public long getStartTimestampMillis() {
		return mStartTimestampMillis;
		}
		}