/* Copyright (C) 2015-2024 Andreas Shimokawa, Carsten Pfeiffer, Cre3per,
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Daniele Gobbetti, Dikay900, José Rebelo, Pavel Elagin
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This file is part of Gadgetbridge.
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Gadgetbridge is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Gadgetbridge is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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package nodomain.freeyourgadget.gadgetbridge.activities.charts;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.graphics.Paint;
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import android.os.Bundle;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.WindowManager;
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import android.widget.TextView;
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import android.widget.Toast;
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import com.github.mikephil.charting.charts.BarLineChartBase;
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import com.github.mikephil.charting.charts.Chart;
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import com.github.mikephil.charting.components.LimitLine;
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import com.github.mikephil.charting.components.XAxis;
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import com.github.mikephil.charting.components.YAxis;
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import com.github.mikephil.charting.data.BarData;
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import com.github.mikephil.charting.data.BarDataSet;
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import com.github.mikephil.charting.data.BarEntry;
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import com.github.mikephil.charting.data.ChartData;
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import com.github.mikephil.charting.data.Entry;
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import com.github.mikephil.charting.data.LineData;
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import com.github.mikephil.charting.data.LineDataSet;
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import com.github.mikephil.charting.utils.Utils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.concurrent.Executors;
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import java.util.concurrent.ScheduledExecutorService;
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import java.util.concurrent.TimeUnit;
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import androidx.annotation.Nullable;
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import androidx.fragment.app.FragmentActivity;
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import androidx.localbroadcastmanager.content.LocalBroadcastManager;
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import nodomain.freeyourgadget.gadgetbridge.GBApplication;
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import nodomain.freeyourgadget.gadgetbridge.R;
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import nodomain.freeyourgadget.gadgetbridge.activities.HeartRateUtils;
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import nodomain.freeyourgadget.gadgetbridge.database.DBHandler;
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import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
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import nodomain.freeyourgadget.gadgetbridge.model.ActivitySample;
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import nodomain.freeyourgadget.gadgetbridge.model.ActivityUser;
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import nodomain.freeyourgadget.gadgetbridge.model.DeviceService;
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import nodomain.freeyourgadget.gadgetbridge.util.GB;
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public class LiveActivityFragment extends AbstractActivityChartFragment<ChartsData> {
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private static final Logger LOG = LoggerFactory.getLogger(LiveActivityFragment.class);
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private static final int MAX_STEPS_PER_MINUTE = 300;
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private static final int MIN_STEPS_PER_MINUTE = 60;
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private static final int RESET_COUNT = 10; // reset the max steps per minute value every 10s
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private BarEntry totalStepsEntry;
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private BarEntry stepsPerMinuteEntry;
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private BarDataSet mStepsPerMinuteData;
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private BarDataSet mTotalStepsData;
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private LineDataSet mHistorySet;
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private BarLineChartBase mStepsPerMinuteHistoryChart;
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private CustomBarChart mStepsPerMinuteCurrentChart;
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private CustomBarChart mTotalStepsChart;
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private TextView mMaxHeartRateView;
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private final Steps mSteps = new Steps();
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private ScheduledExecutorService pulseScheduler;
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private int maxStepsResetCounter;
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private LineDataSet mHeartRateSet;
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private int mHeartRate;
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private int mMaxHeartRate = 0;
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private TimestampTranslation tsTranslation;
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private class Steps {
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private int steps;
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private int lastTimestamp;
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private int currentStepsPerMinute;
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private int maxStepsPerMinute;
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private int lastStepsPerMinute;
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public int getStepsPerMinute(boolean reset) {
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lastStepsPerMinute = currentStepsPerMinute;
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int result = currentStepsPerMinute;
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if (reset) {
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currentStepsPerMinute = 0;
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}
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return result;
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}
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public int getTotalSteps() {
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return steps;
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}
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public int getMaxStepsPerMinute() {
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return maxStepsPerMinute;
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}
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public void updateCurrentSteps(int stepsDelta, int timestamp) {
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try {
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if (steps == 0) {
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steps += stepsDelta;
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lastTimestamp = timestamp;
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return;
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}
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int timeDelta = timestamp - lastTimestamp;
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currentStepsPerMinute = calculateStepsPerMinute(stepsDelta, timeDelta);
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if (currentStepsPerMinute > maxStepsPerMinute) {
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maxStepsPerMinute = currentStepsPerMinute;
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maxStepsResetCounter = 0;
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}
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steps += stepsDelta;
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lastTimestamp = timestamp;
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} catch (Exception ex) {
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GB.toast(LiveActivityFragment.this.getContext(), ex.getMessage(), Toast.LENGTH_SHORT, GB.ERROR, ex);
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}
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}
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private int calculateStepsPerMinute(int stepsDelta, int seconds) {
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if (stepsDelta == 0) {
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return 0; // not walking or not enough data per mills?
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}
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if (seconds <= 0) {
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throw new IllegalArgumentException("delta in seconds is <= 0 -- time change?");
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}
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int oneMinute = 60;
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float factor = oneMinute / seconds;
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int result = (int) (stepsDelta * factor);
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if (result > MAX_STEPS_PER_MINUTE) {
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// ignore, return previous value instead
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result = lastStepsPerMinute;
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}
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return result;
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}
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}
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private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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String action = intent.getAction();
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switch (action) {
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case DeviceService.ACTION_REALTIME_SAMPLES: {
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ActivitySample sample = (ActivitySample) intent.getSerializableExtra(DeviceService.EXTRA_REALTIME_SAMPLE);
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addSample(sample);
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break;
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}
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}
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}
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};
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private void addSample(ActivitySample sample) {
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int heartRate = sample.getHeartRate();
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int timestamp = tsTranslation.shorten(sample.getTimestamp());
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if (HeartRateUtils.getInstance().isValidHeartRateValue(heartRate)) {
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setCurrentHeartRate(heartRate, timestamp);
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}
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int steps = sample.getSteps();
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if (steps > 0) {
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addEntries(steps, timestamp);
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}
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}
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private int translateTimestampFrom(Intent intent) {
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return translateTimestamp(intent.getLongExtra(DeviceService.EXTRA_TIMESTAMP, System.currentTimeMillis()));
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}
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private int translateTimestamp(long tsMillis) {
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int timestamp = (int) (tsMillis / 1000); // translate to seconds
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return tsTranslation.shorten(timestamp); // and shorten
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}
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private void setCurrentHeartRate(int heartRate, int timestamp) {
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addHistoryDataSet(true);
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mHeartRate = heartRate;
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if (mMaxHeartRate < mHeartRate) {
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mMaxHeartRate = mHeartRate;
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}
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mMaxHeartRateView.setText(getContext().getString(R.string.live_activity_max_heart_rate, heartRate, mMaxHeartRate));
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}
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private int getCurrentHeartRate() {
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int result = mHeartRate;
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mHeartRate = -1;
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return result;
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}
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private void addEntries(int steps, int timestamp) {
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mSteps.updateCurrentSteps(steps, timestamp);
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if (++maxStepsResetCounter > RESET_COUNT) {
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maxStepsResetCounter = 0;
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mSteps.maxStepsPerMinute = 0;
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}
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// Or: count down the steps until goal reached? And then flash GOAL REACHED -> Set stretch goal
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LOG.info("Steps: " + steps + ", total: " + mSteps.getTotalSteps() + ", current: " + mSteps.getStepsPerMinute(false));
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// addEntries();
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}
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private void addEntries(int timestamp) {
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mTotalStepsChart.setSingleEntryYValue(mSteps.getTotalSteps());
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YAxis stepsPerMinuteCurrentYAxis = mStepsPerMinuteCurrentChart.getAxisLeft();
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int maxStepsPerMinute = mSteps.getMaxStepsPerMinute();
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// int extraRoom = maxStepsPerMinute/5;
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// buggy in MPAndroidChart? Disable.
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// stepsPerMinuteCurrentYAxis.setAxisMaxValue(Math.max(MIN_STEPS_PER_MINUTE, maxStepsPerMinute + extraRoom));
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LimitLine target = new LimitLine(maxStepsPerMinute);
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stepsPerMinuteCurrentYAxis.removeAllLimitLines();
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stepsPerMinuteCurrentYAxis.addLimitLine(target);
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int stepsPerMinute = mSteps.getStepsPerMinute(true);
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mStepsPerMinuteCurrentChart.setSingleEntryYValue(stepsPerMinute);
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if (!addHistoryDataSet(false)) {
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return;
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}
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ChartData data = mStepsPerMinuteHistoryChart.getData();
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if (stepsPerMinute < 0) {
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stepsPerMinute = 0;
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}
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mHistorySet.addEntry(new Entry(timestamp, stepsPerMinute));
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int hr = getCurrentHeartRate();
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if (hr > HeartRateUtils.getInstance().getMinHeartRate()) {
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mHeartRateSet.addEntry(new Entry(timestamp, hr));
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}
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}
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private boolean addHistoryDataSet(boolean force) {
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if (mStepsPerMinuteHistoryChart.getData() == null) {
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// ignore the first default value to keep the "no-data-description" visible
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if (force || mSteps.getTotalSteps() > 0) {
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LineData data = new LineData();
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data.addDataSet(mHistorySet);
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data.addDataSet(mHeartRateSet);
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mStepsPerMinuteHistoryChart.setData(data);
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return true;
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}
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return false;
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}
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return true;
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}
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@Nullable
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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IntentFilter filterLocal = new IntentFilter();
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filterLocal.addAction(DeviceService.ACTION_REALTIME_SAMPLES);
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tsTranslation = new TimestampTranslation();
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View rootView = inflater.inflate(R.layout.fragment_live_activity, container, false);
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mStepsPerMinuteCurrentChart = rootView.findViewById(R.id.livechart_steps_per_minute_current);
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mTotalStepsChart = rootView.findViewById(R.id.livechart_steps_total);
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mStepsPerMinuteHistoryChart = rootView.findViewById(R.id.livechart_steps_per_minute_history);
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totalStepsEntry = new BarEntry(1, 0);
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stepsPerMinuteEntry = new BarEntry(1, 0);
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mStepsPerMinuteData = setupCurrentChart(mStepsPerMinuteCurrentChart, stepsPerMinuteEntry, getString(R.string.live_activity_current_steps_per_minute));
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mStepsPerMinuteData.setDrawValues(true);
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mStepsPerMinuteData.setValueTextColor(DESCRIPTION_COLOR);
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mTotalStepsData = setupTotalStepsChart(mTotalStepsChart, totalStepsEntry, getString(R.string.live_activity_total_steps));
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mTotalStepsData.setDrawValues(true);
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mTotalStepsData.setValueTextColor(DESCRIPTION_COLOR);
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setupHistoryChart(mStepsPerMinuteHistoryChart);
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mMaxHeartRateView = rootView.findViewById(R.id.livechart_max_heart_rate);
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LocalBroadcastManager.getInstance(getActivity()).registerReceiver(mReceiver, filterLocal);
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return rootView;
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}
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@Override
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public void onPause() {
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enableRealtimeTracking(false);
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super.onPause();
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}
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@Override
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public void onResume() {
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super.onResume();
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enableRealtimeTracking(true);
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}
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private ScheduledExecutorService startActivityPulse() {
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ScheduledExecutorService service = Executors.newSingleThreadScheduledExecutor();
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service.scheduleAtFixedRate(new Runnable() {
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@Override
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public void run() {
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FragmentActivity activity = LiveActivityFragment.this.getActivity();
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if (activity != null && !activity.isFinishing() && !activity.isDestroyed()) {
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activity.runOnUiThread(new Runnable() {
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@Override
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public void run() {
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pulse();
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}
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});
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}
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}
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}, 0, getPulseIntervalMillis(), TimeUnit.MILLISECONDS);
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return service;
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}
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private void stopActivityPulse() {
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if (pulseScheduler != null) {
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pulseScheduler.shutdownNow();
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pulseScheduler = null;
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}
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}
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/**
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* Called in the UI thread.
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*/
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private void pulse() {
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addEntries(translateTimestamp(System.currentTimeMillis()));
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LineData historyData = (LineData) mStepsPerMinuteHistoryChart.getData();
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if (historyData == null) {
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return;
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}
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historyData.notifyDataChanged();
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mTotalStepsData.notifyDataSetChanged();
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mStepsPerMinuteData.notifyDataSetChanged();
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mStepsPerMinuteHistoryChart.notifyDataSetChanged();
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renderCharts();
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// have to enable it again and again to keep it measuring
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GBApplication.deviceService(getChartsHost().getDevice()).onEnableRealtimeHeartRateMeasurement(true);
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}
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private int getPulseIntervalMillis() {
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return 1000;
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}
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@Override
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protected void onMadeVisibleInActivity() {
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super.onMadeVisibleInActivity();
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enableRealtimeTracking(true);
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}
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private void enableRealtimeTracking(boolean enable) {
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if (enable && pulseScheduler != null) {
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// already running
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return;
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}
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try {
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GBApplication.deviceService(getChartsHost().getDevice()).onEnableRealtimeSteps(enable);
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GBApplication.deviceService(getChartsHost().getDevice()).onEnableRealtimeHeartRateMeasurement(enable);
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} catch (IllegalStateException e) {
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LOG.error("IllegalStateException catched, setting realtime tracking globally to {}", enable);
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GBApplication.deviceService().onEnableRealtimeSteps(enable);
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GBApplication.deviceService().onEnableRealtimeHeartRateMeasurement(enable);
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}
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if (enable) {
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if (getActivity() != null) {
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getActivity().getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
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}
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pulseScheduler = startActivityPulse();
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} else {
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stopActivityPulse();
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if (getActivity() != null) {
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getActivity().getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
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}
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}
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}
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@Override
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public void onMadeInvisibleInActivity() {
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enableRealtimeTracking(false);
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super.onMadeInvisibleInActivity();
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}
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@Override
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public void onDestroyView() {
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onMadeInvisibleInActivity();
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LocalBroadcastManager.getInstance(getActivity()).unregisterReceiver(mReceiver);
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super.onDestroyView();
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}
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private BarDataSet setupCurrentChart(CustomBarChart chart, BarEntry entry, String title) {
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mStepsPerMinuteCurrentChart.getAxisLeft().setAxisMaximum(MAX_STEPS_PER_MINUTE);
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return setupCommonChart(chart, entry, title);
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}
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private BarDataSet setupCommonChart(CustomBarChart chart, BarEntry entry, String title) {
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chart.setSinglAnimationEntry(entry);
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// chart.getXAxis().setPosition(XAxis.XAxisPosition.TOP);
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chart.getXAxis().setDrawLabels(false);
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chart.getXAxis().setEnabled(false);
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chart.getXAxis().setTextColor(CHART_TEXT_COLOR);
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chart.getAxisLeft().setTextColor(CHART_TEXT_COLOR);
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chart.setBackgroundColor(BACKGROUND_COLOR);
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chart.getDescription().setTextColor(DESCRIPTION_COLOR);
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chart.getDescription().setText(title);
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// chart.setNoDataTextDescription("");
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chart.setNoDataText("");
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chart.getAxisRight().setEnabled(false);
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List<BarEntry> entries = new ArrayList<>();
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List<Integer> colors = new ArrayList<>();
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entries.add(entry);
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colors.add(akActivity.color);
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colors.add(akActivity.color);
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colors.add(akActivity.color);
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// //we don't want labels
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// xLabels.add("");
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// xLabels.add("");
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// xLabels.add("");
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BarDataSet set = new BarDataSet(entries, "");
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set.setDrawValues(false);
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set.setColors(colors);
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BarData data = new BarData(set);
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// data.setGroupSpace(0);
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chart.setData(data);
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chart.getLegend().setEnabled(false);
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return set;
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}
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private BarDataSet setupTotalStepsChart(CustomBarChart chart, BarEntry entry, String label) {
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mTotalStepsChart.getAxisLeft().addLimitLine(new LimitLine(GBApplication.getPrefs().getInt(ActivityUser.PREF_USER_STEPS_GOAL, ActivityUser.defaultUserStepsGoal), "ss")); // TODO: use daily goal - already reached steps
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mTotalStepsChart.getAxisLeft().setAxisMinimum(0);
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mTotalStepsChart.setAutoScaleMinMaxEnabled(true);
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return setupCommonChart(chart, entry, label); // at the moment, these look the same
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}
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private void setupHistoryChart(BarLineChartBase chart) {
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configureBarLineChartDefaults(chart);
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chart.setTouchEnabled(false); // no zooming or anything, because it's updated all the time
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chart.setBackgroundColor(BACKGROUND_COLOR);
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chart.getDescription().setTextColor(DESCRIPTION_COLOR);
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chart.getDescription().setText(getString(R.string.live_activity_steps_per_minute_history));
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chart.setNoDataText(getString(R.string.live_activity_start_your_activity));
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chart.getLegend().setEnabled(false);
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Paint infoPaint = chart.getPaint(Chart.PAINT_INFO);
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infoPaint.setTextSize(Utils.convertDpToPixel(20f));
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infoPaint.setFakeBoldText(true);
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chart.setPaint(infoPaint, Chart.PAINT_INFO);
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XAxis x = chart.getXAxis();
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x.setDrawLabels(true);
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x.setDrawGridLines(false);
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x.setEnabled(true);
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x.setTextColor(CHART_TEXT_COLOR);
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x.setValueFormatter(new SampleXLabelFormatter(tsTranslation, "HH:mm"));
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x.setDrawLimitLinesBehindData(true);
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YAxis y = chart.getAxisLeft();
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y.setDrawGridLines(false);
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y.setDrawTopYLabelEntry(false);
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y.setTextColor(CHART_TEXT_COLOR);
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y.setEnabled(true);
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y.setAxisMinimum(0);
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YAxis yAxisRight = chart.getAxisRight();
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yAxisRight.setDrawGridLines(false);
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yAxisRight.setEnabled(true);
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yAxisRight.setDrawLabels(true);
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yAxisRight.setDrawTopYLabelEntry(false);
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yAxisRight.setTextColor(CHART_TEXT_COLOR);
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mHistorySet = new LineDataSet(new ArrayList<Entry>(), getString(R.string.live_activity_steps_history));
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mHistorySet.setAxisDependency(YAxis.AxisDependency.LEFT);
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mHistorySet.setColor(akActivity.color);
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mHistorySet.setDrawCircles(false);
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mHistorySet.setMode(LineDataSet.Mode.CUBIC_BEZIER);
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mHistorySet.setDrawFilled(true);
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mHistorySet.setDrawValues(false);
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mHeartRateSet = createHeartrateSet(new ArrayList<Entry>(), getString(R.string.live_activity_heart_rate));
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mHeartRateSet.setDrawValues(false);
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}
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@Override
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public String getTitle() {
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return getContext().getString(R.string.liveactivity_live_activity);
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}
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@Override
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protected void showDateBar(boolean show) {
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// never show the data bar
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super.showDateBar(false);
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}
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@Override
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protected void refresh() {
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// do nothing, we don't have any db interaction
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}
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@Override
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protected ChartsData refreshInBackground(ChartsHost chartsHost, DBHandler db, GBDevice device) {
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throw new UnsupportedOperationException();
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}
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@Override
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protected void updateChartsnUIThread(ChartsData chartsData) {
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throw new UnsupportedOperationException();
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}
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@Override
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protected void renderCharts() {
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mStepsPerMinuteCurrentChart.animateY(150);
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mTotalStepsChart.animateY(150);
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mStepsPerMinuteHistoryChart.invalidate();
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}
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@Override
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protected List<ActivitySample> getSamples(DBHandler db, GBDevice device, int tsFrom, int tsTo) {
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throw new UnsupportedOperationException("no db access supported for live activity");
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}
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@Override
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protected void setupLegend(Chart<?> chart) {
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// no legend
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}
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}
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