New "FalsingPlugin" to allow for easier data collection. (21beba8b) · Commits · e / os / android_frameworks_base

packages/SystemUI/plugin/src/com/android/systemui/plugins/FalsingPlugin.java

0 → 100644

+39 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2018 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.plugins;

		import com.android.systemui.plugins.annotations.ProvidesInterface;

		/**
		* Used to capture Falsing data (related to unlocking the screen).
		*
		* The intent is that the data can later be analyzed to validate the quality of the
		* {@link com.android.systemui.classifier.FalsingManager}.
		*/
		@ProvidesInterface(action = FalsingPlugin.ACTION, version = FalsingPlugin.VERSION)
		public interface FalsingPlugin extends Plugin {
		String ACTION = "com.android.systemui.action.FALSING_PLUGIN";
		int VERSION = 1;

		/**
		* Called when there is data to be recorded.
		*
		* @param success Indicates whether the action is considered a success.
		* @param data The raw data to be recorded for analysis.
		*/
		void dataCollected(boolean success, byte[] data);
		}

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

+39 −16

Original line number	Diff line number	Diff line
		@@ -35,6 +35,11 @@ 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;
		@@ -75,6 +80,8 @@ public class DataCollector implements SensorEventListener {

		private static DataCollector sInstance = null;

		private FalsingPlugin mFalsingPlugin = null;

		protected final ContentObserver mSettingsObserver = new ContentObserver(mHandler) {
		@Override
		public void onChange(boolean selfChange) {
		@@ -82,6 +89,16 @@ public class DataCollector implements SensorEventListener {
		}
		};

		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;

		@@ -106,6 +123,8 @@ public class DataCollector implements SensorEventListener {
		UserHandle.USER_ALL);

		updateConfiguration();

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

		public static DataCollector getInstance(Context context) {
		@@ -191,6 +210,10 @@ public class DataCollector implements SensorEventListener {
		@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) {
		@@ -204,13 +227,13 @@ public class DataCollector implements SensorEventListener {
		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);
		}
		}
		}
		});
		}