forked from upstream-mirrors/OpenTracks
In Chart View, no longer can use a double buffered
iterator since with pauses and resumes, need to remember beyond the last two locations.
This commit is contained in:
Jimmy Shih
@@ -0,0 +1,308 @@
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/*
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* Copyright 2010 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.google.android.apps.mytracks;
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import com.google.android.apps.mytracks.content.Sensor;
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import com.google.android.apps.mytracks.services.ITrackRecordingService;
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import com.google.android.apps.mytracks.services.TrackRecordingServiceConnection;
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import com.google.android.apps.mytracks.services.sensors.SensorManager;
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import com.google.android.apps.mytracks.services.sensors.SensorManagerFactory;
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import com.google.android.apps.mytracks.services.sensors.SensorUtils;
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import com.google.android.apps.mytracks.util.TrackRecordingServiceConnectionUtils;
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import com.google.android.maps.mytracks.R;
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import com.google.protobuf.InvalidProtocolBufferException;
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import android.os.Bundle;
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import android.os.RemoteException;
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import android.text.format.DateFormat;
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import android.util.Log;
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import android.widget.TextView;
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import java.util.Timer;
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import java.util.TimerTask;
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/**
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* An activity that displays information about sensors.
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*
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* @author Sandor Dornbush
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*/
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public class SensorStateActivity extends AbstractMyTracksActivity {
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private static final String TAG = SensorStateActivity.class.getName();
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private static final long REFRESH_PERIOD_MS = 250;
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/**
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* A Runnable to update the UI.
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*/
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private final Runnable updateRunnable = new Runnable() {
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public void run() {
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ITrackRecordingService trackRecordingService = trackRecordingServiceConnection
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.getServiceIfBound();
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// Check if service is available and recording
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boolean isRecording = false;
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if (trackRecordingService != null) {
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try {
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isRecording = trackRecordingService.isRecording();
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} catch (RemoteException e) {
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Log.e(TAG, "Unable to determine if the track recording service is recording.", e);
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}
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}
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if (!isRecording) {
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updateFromTempSensorManager();
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} else {
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stopTempSensorManager();
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updateFromSystemSensorManager();
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}
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}
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};
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/**
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* A TimeTask to update the UI.
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*/
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private class UpdateTimerTask extends TimerTask {
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@Override
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public void run() {
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if (isVisible) {
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runOnUiThread(updateRunnable);
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}
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}
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};
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private TrackRecordingServiceConnection trackRecordingServiceConnection;
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private boolean isVisible = false;
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private Timer timer = null;
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private SensorManager tempSensorManager = null;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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trackRecordingServiceConnection = new TrackRecordingServiceConnection(this, null);
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}
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@Override
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protected void onStart() {
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super.onStart();
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TrackRecordingServiceConnectionUtils.startConnection(this, trackRecordingServiceConnection);
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}
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@Override
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protected void onResume() {
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super.onResume();
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isVisible = true;
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timer = new Timer();
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timer.schedule(new UpdateTimerTask(), 0, REFRESH_PERIOD_MS);
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}
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@Override
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protected void onPause() {
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super.onPause();
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isVisible = false;
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timer.cancel();
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timer.purge();
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timer = null;
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stopTempSensorManager();
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}
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@Override
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protected void onStop() {
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super.onStop();
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trackRecordingServiceConnection.unbind();
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}
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@Override
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protected int getLayoutResId() {
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return R.layout.sensor_state;
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}
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/**
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* Stops the temp sensor manager.
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*/
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private void stopTempSensorManager() {
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if (tempSensorManager != null) {
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SensorManagerFactory.releaseTempSensorManager();
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tempSensorManager = null;
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}
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}
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/**
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* Updates from a temp sensor manager.
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*/
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private void updateFromTempSensorManager() {
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Sensor.SensorState sensorState = Sensor.SensorState.NONE;
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Sensor.SensorDataSet sensorDataSet = null;
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if (tempSensorManager == null) {
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tempSensorManager = SensorManagerFactory.getTempSensorManager(this);
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}
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if (tempSensorManager != null) {
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sensorState = tempSensorManager.getSensorState();
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sensorDataSet = tempSensorManager.getSensorDataSet();
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}
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updateSensorStateAndDataSet(sensorState, sensorDataSet);
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}
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/**
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* Updates from the system sensor manager.
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*/
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private void updateFromSystemSensorManager() {
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Sensor.SensorState sensorState = Sensor.SensorState.NONE;
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Sensor.SensorDataSet sensorDataSet = null;
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ITrackRecordingService trackRecordingService = trackRecordingServiceConnection
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.getServiceIfBound();
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// Get sensor details from the service.
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if (trackRecordingService == null) {
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Log.d(TAG, "Cannot get teh track recording service.");
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} else {
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try {
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sensorState = Sensor.SensorState.valueOf(trackRecordingService.getSensorState());
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} catch (RemoteException e) {
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Log.e(TAG, "Cannote read sensor state.", e);
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sensorState = Sensor.SensorState.NONE;
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}
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try {
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byte[] buff = trackRecordingService.getSensorData();
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if (buff != null) {
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sensorDataSet = Sensor.SensorDataSet.parseFrom(buff);
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}
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} catch (RemoteException e) {
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Log.e(TAG, "Cannot read sensor data set.", e);
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} catch (InvalidProtocolBufferException e) {
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Log.e(TAG, "Cannot read sensor data set.", e);
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}
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}
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updateSensorStateAndDataSet(sensorState, sensorDataSet);
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}
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/**
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* Updates the sensor state and data set.
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*
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* @param sensorState sensor state
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* @param sensorDataSet sensor data set
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*/
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private void updateSensorStateAndDataSet(
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Sensor.SensorState sensorState, Sensor.SensorDataSet sensorDataSet) {
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((TextView) findViewById(R.id.sensor_state)).setText(
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SensorUtils.getStateAsString(sensorState, this));
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String lastSensorTime = sensorDataSet == null ? getString(R.string.value_unknown)
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: getLastSensorTime(sensorDataSet);
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String heartRate = sensorDataSet == null ? getString(R.string.value_unknown)
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: getHeartRate(sensorDataSet);
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String cadence = sensorDataSet == null ? getString(R.string.value_unknown)
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: getCadence(sensorDataSet);
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String power = sensorDataSet == null ? getString(R.string.value_unknown)
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: getPower(sensorDataSet);
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String battery = sensorDataSet == null ? getString(R.string.value_unknown)
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: getBattery(sensorDataSet);
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((TextView) findViewById(R.id.sensor_state_last_sensor_time)).setText(lastSensorTime);
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((TextView) findViewById(R.id.sensor_state_heart_rate)).setText(heartRate);
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((TextView) findViewById(R.id.sensor_state_cadence)).setText(cadence);
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((TextView) findViewById(R.id.sensor_state_power)).setText(power);
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((TextView) findViewById(R.id.sensor_state_battery)).setText(battery);
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}
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/**
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* Gets the last sensor time.
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*
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* @param sensorDataSet sensor data set
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*/
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private String getLastSensorTime(Sensor.SensorDataSet sensorDataSet) {
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return DateFormat.format("h:mm:ss aa", sensorDataSet.getCreationTime()).toString();
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}
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/**
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* Gets the heart rate.
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*
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* @param sensorDataSet sensor data set
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*/
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private String getHeartRate(Sensor.SensorDataSet sensorDataSet) {
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String value;
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if (sensorDataSet.hasHeartRate() && sensorDataSet.getHeartRate().hasValue()
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&& sensorDataSet.getHeartRate().getState() == Sensor.SensorState.SENDING) {
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value = getString(
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R.string.sensor_state_heart_rate_value, sensorDataSet.getHeartRate().getValue());
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} else {
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value = SensorUtils.getStateAsString(
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sensorDataSet.hasHeartRate() ? sensorDataSet.getHeartRate().getState()
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: Sensor.SensorState.NONE, this);
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}
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return value;
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}
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/**
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* Gets the cadence.
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*
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* @param sensorDataSet sensor data set
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*/
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private String getCadence(Sensor.SensorDataSet sensorDataSet) {
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String value;
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if (sensorDataSet.hasCadence() && sensorDataSet.getCadence().hasValue()
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&& sensorDataSet.getCadence().getState() == Sensor.SensorState.SENDING) {
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value = getString(R.string.sensor_state_cadence_value, sensorDataSet.getCadence().getValue());
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} else {
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value = SensorUtils.getStateAsString(
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sensorDataSet.hasCadence() ? sensorDataSet.getCadence().getState()
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: Sensor.SensorState.NONE, this);
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}
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return value;
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}
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/**
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* Gets the power.
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*
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* @param sensorDataSet sensor data set
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*/
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private String getPower(Sensor.SensorDataSet sensorDataSet) {
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String value;
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if (sensorDataSet.hasPower() && sensorDataSet.getPower().hasValue()
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&& sensorDataSet.getPower().getState() == Sensor.SensorState.SENDING) {
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value = getString(R.string.sensor_state_power_value, sensorDataSet.getPower().getValue());
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} else {
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value = SensorUtils.getStateAsString(
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sensorDataSet.hasPower() ? sensorDataSet.getPower().getState() : Sensor.SensorState.NONE,
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this);
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}
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return value;
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}
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/**
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* Gets the battery.
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*
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* @param sensorDataSet sensor data set
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*/
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private String getBattery(Sensor.SensorDataSet sensorDataSet) {
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String value;
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if (sensorDataSet.hasBatteryLevel() && sensorDataSet.getBatteryLevel().hasValue()
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&& sensorDataSet.getBatteryLevel().getState() == Sensor.SensorState.SENDING) {
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value = getString(R.string.value_integer_percent, sensorDataSet.getBatteryLevel().getValue());
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} else {
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value = SensorUtils.getStateAsString(
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sensorDataSet.hasBatteryLevel() ? sensorDataSet.getBatteryLevel().getState()
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: Sensor.SensorState.NONE, this);
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}
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return value;
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}
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}
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Block a user