forked from upstream-mirrors/OpenTracks
Rodrigo Damazio
116 lines
3.6 KiB
Java
116 lines
3.6 KiB
Java
package com.google.android.apps.mytracks;
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import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
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import com.google.android.apps.mytracks.content.Track;
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import com.google.android.apps.mytracks.stats.TripStatistics;
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import com.google.android.maps.mytracks.R;
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import android.app.Activity;
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import android.content.SharedPreferences;
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import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
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import android.os.Bundle;
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import android.util.DisplayMetrics;
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import android.util.Log;
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import android.view.Window;
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import android.widget.ScrollView;
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import android.widget.TextView;
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import java.util.List;
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/**
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* Activity for viewing the combined statistics for all the recorded tracks.
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*
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* Other features to add - menu items to change setings.
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*
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* @author Fergus Nelson
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*/
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public class AggregatedStatsActivity extends Activity implements
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OnSharedPreferenceChangeListener {
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private final StatsUtilities utils;
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private MyTracksProviderUtils tracksProvider;
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private boolean metricUnits = true;
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public AggregatedStatsActivity() {
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this.utils = new StatsUtilities(this);
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}
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@Override
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public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
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String key) {
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Log.d(MyTracksConstants.TAG, "StatsActivity: onSharedPreferences changed "
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+ key);
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if (key != null) {
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if (key.equals(R.string.metric_units_key)) {
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metricUnits = sharedPreferences.getBoolean(
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getString(R.string.metric_units_key), true);
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utils.setMetricUnits(metricUnits);
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utils.updateUnits();
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loadAggregatedStats();
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}
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}
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}
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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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this.tracksProvider = MyTracksProviderUtils.Factory.get(this);
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// We don't need a window title bar:
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requestWindowFeature(Window.FEATURE_NO_TITLE);
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setContentView(R.layout.stats);
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ScrollView sv = ((ScrollView) findViewById(R.id.scrolly));
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sv.setScrollBarStyle(ScrollView.SCROLLBARS_OUTSIDE_INSET);
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SharedPreferences preferences = getSharedPreferences(
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MyTracksSettings.SETTINGS_NAME, 0);
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if (preferences != null) {
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metricUnits = preferences.getBoolean(getString(R.string.metric_units_key), true);
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preferences.registerOnSharedPreferenceChangeListener(this);
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}
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utils.setMetricUnits(metricUnits);
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utils.updateUnits();
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utils.setSpeedLabel(R.id.speed_label, R.string.speed, R.string.pace_label);
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utils.setSpeedLabels();
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DisplayMetrics metrics = new DisplayMetrics();
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getWindowManager().getDefaultDisplay().getMetrics(metrics);
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if (metrics.heightPixels > 600) {
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((TextView) findViewById(R.id.speed_register)).setTextSize(80.0f);
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}
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loadAggregatedStats();
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}
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/**
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* 1. Reads tracks from the db
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* 2. Merges the trip stats from the tracks
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* 3. Updates the view
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*/
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private void loadAggregatedStats() {
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List<Track> tracks = retrieveTracks();
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TripStatistics rollingStats = null;
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if (!tracks.isEmpty()) {
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rollingStats = new TripStatistics(tracks.iterator().next()
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.getStatistics());
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for (int i = 1; i < tracks.size(); i++) {
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rollingStats.merge(tracks.get(i).getStatistics());
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}
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}
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updateView(rollingStats);
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}
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private List<Track> retrieveTracks() {
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return tracksProvider.getAllTracks();
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}
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private void updateView(TripStatistics aggStats) {
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if (aggStats != null) {
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utils.setAllStats(aggStats);
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}
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}
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}
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