ToggleAppWidgetService.java

package com.ianhanniballake.contractiontimer.appwidget;

import android.app.IntentService;
import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.content.ComponentName;
import android.content.Intent;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.preference.PreferenceManager;
import android.provider.BaseColumns;
import android.util.Log;
import android.view.View;
import android.widget.RemoteViews;

import com.ianhanniballake.contractiontimer.BuildConfig;
import com.ianhanniballake.contractiontimer.R;
import com.ianhanniballake.contractiontimer.provider.ContractionContract;
import com.ianhanniballake.contractiontimer.ui.Preferences;

/**
 * Handles updates of the 'Toggle' style App Widgets
 */
public class ToggleAppWidgetService extends IntentService {
    private final static String TAG = ToggleAppWidgetService.class.getSimpleName();
    /**
     * Identifier for this widget to be used in Analytics
     */
    private final static String WIDGET_IDENTIFIER = "widget_toggle";

    /**
     * Creates a new ToggleAppWidgetService
     */
    public ToggleAppWidgetService() {
        super(TAG);
    }

    @Override
    protected void onHandleIntent(final Intent intent) {
        if (BuildConfig.DEBUG)
            Log.d(TAG, "Updating Toggle App Widgets");
        final String[] projection = {BaseColumns._ID, ContractionContract.Contractions.COLUMN_NAME_START_TIME,
                ContractionContract.Contractions.COLUMN_NAME_END_TIME};
        final Cursor data = getContentResolver().query(ContractionContract.Contractions.CONTENT_URI, projection, null,
                null, null);
        final boolean contractionOngoing = data != null && data.moveToFirst()
                && data.isNull(data.getColumnIndex(ContractionContract.Contractions.COLUMN_NAME_END_TIME));
        RemoteViews views;
        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
        final String appwidgetBackground = preferences.getString(Preferences.APPWIDGET_BACKGROUND_PREFERENCE_KEY,
                getString(R.string.pref_appwidget_background_default));
        if (appwidgetBackground.equals("light"))
            views = new RemoteViews(getPackageName(), R.layout.toggle_appwidget_light);
        else
            views = new RemoteViews(getPackageName(), R.layout.toggle_appwidget_dark);
        // Set the status of the contraction toggle button
        final Intent toggleContractionIntent = new Intent(this, AppWidgetToggleService.class);
        toggleContractionIntent.putExtra(AppWidgetToggleService.WIDGET_NAME_EXTRA,
                ToggleAppWidgetService.WIDGET_IDENTIFIER);
        final PendingIntent toggleContractionPendingIntent = PendingIntent.getService(this, 0, toggleContractionIntent,
                PendingIntent.FLAG_UPDATE_CURRENT);
        if (contractionOngoing) {
            views.setViewVisibility(R.id.contraction_toggle_on, View.VISIBLE);
            views.setOnClickPendingIntent(R.id.contraction_toggle_on, toggleContractionPendingIntent);
            views.setViewVisibility(R.id.contraction_toggle_off, View.GONE);
        } else {
            views.setViewVisibility(R.id.contraction_toggle_off, View.VISIBLE);
            views.setOnClickPendingIntent(R.id.contraction_toggle_off, toggleContractionPendingIntent);
            views.setViewVisibility(R.id.contraction_toggle_on, View.GONE);
        }
        // Close the cursor
        if (data != null)
            data.close();
        // Update the widgets
        final AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(this);
        if (intent.hasExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS))
            appWidgetManager.updateAppWidget(intent.getIntArrayExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS), views);
        else
            appWidgetManager.updateAppWidget(new ComponentName(this, ToggleAppWidgetProvider.class), views);
    }
}