bauer/UdacityProject6
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Load real data into the 1x1 Today widget, moving our work to an IntentService

Browse Source
This commit is contained in:
Dan Galpin
2015-05-25 04:13:31 -07:00
parent 3ce8bff71c
commit 7ec7108247
4 changed files with 140 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
app/src/main/AndroidManifest.xml
View File

@@ -116,10 +116,12 @@
android:label="@string/title_widget_today" >
<intent-filter>
<action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
<action android:name="com.example.android.sunshine.app.ACTION_DATA_UPDATED" />
</intent-filter>
<meta-data android:name="android.appwidget.provider"
android:resource="@xml/widget_info_today" />
</receiver>
<service android:name=".widget.TodayWidgetIntentService" />
</application>
</manifest>

11
app/src/main/java/com/example/android/sunshine/app/sync/SunshineSyncAdapter.java
View File

@@ -52,6 +52,8 @@ import java.util.concurrent.ExecutionException;
public class SunshineSyncAdapter extends AbstractThreadedSyncAdapter {
public final String LOG_TAG = SunshineSyncAdapter.class.getSimpleName();
public static final String ACTION_DATA_UPDATED =
"com.example.android.sunshine.app.ACTION_DATA_UPDATED";
// Interval at which to sync with the weather, in seconds.
// 60 seconds (1 minute) * 180 = 3 hours
public static final int SYNC_INTERVAL = 60 * 180;
@@ -338,6 +340,7 @@ public class SunshineSyncAdapter extends AbstractThreadedSyncAdapter {
WeatherContract.WeatherEntry.COLUMN_DATE + " <= ?",
new String[] {Long.toString(dayTime.setJulianDay(julianStartDay-1))});
updateWidgets();
notifyWeather();
}
Log.d(LOG_TAG, "Sync Complete. " + cVVector.size() + " Inserted");
@@ -350,6 +353,14 @@ public class SunshineSyncAdapter extends AbstractThreadedSyncAdapter {
}
}
private void updateWidgets() {
Context context = getContext();
// Setting the package ensures that only components in our app will receive the broadcast
Intent dataUpdatedIntent = new Intent(ACTION_DATA_UPDATED)
.setPackage(context.getPackageName());
context.sendBroadcast(dataUpdatedIntent);
}
private void notifyWeather() {
Context context = getContext();
//checking the last update and notify if it' the first of the day

108
app/src/main/java/com/example/android/sunshine/app/widget/TodayWidgetIntentService.java Normal file
View File

@@ -0,0 +1,108 @@
/*
* Copyright (C) 2015 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.example.android.sunshine.app.widget;
import android.annotation.TargetApi;
import android.app.IntentService;
import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.content.ComponentName;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.widget.RemoteViews;
import com.example.android.sunshine.app.MainActivity;
import com.example.android.sunshine.app.R;
import com.example.android.sunshine.app.Utility;
import com.example.android.sunshine.app.data.WeatherContract;
/**
* IntentService which handles updating all Today widgets with the latest data
*/
public class TodayWidgetIntentService extends IntentService {
private static final String[] FORECAST_COLUMNS = {
WeatherContract.WeatherEntry.COLUMN_WEATHER_ID,
WeatherContract.WeatherEntry.COLUMN_SHORT_DESC,
WeatherContract.WeatherEntry.COLUMN_MAX_TEMP
};
// these indices must match the projection
private static final int INDEX_WEATHER_ID = 0;
private static final int INDEX_SHORT_DESC = 1;
private static final int INDEX_MAX_TEMP = 2;
public TodayWidgetIntentService() {
super("TodayWidgetIntentService");
}
@Override
protected void onHandleIntent(Intent intent) {
// Retrieve all of the Today widget ids: these are the widgets we need to update
AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(this);
int[] appWidgetIds = appWidgetManager.getAppWidgetIds(new ComponentName(this,
TodayWidgetProvider.class));
// Get today's data from the ContentProvider
String location = Utility.getPreferredLocation(this);
Uri weatherForLocationUri = WeatherContract.WeatherEntry.buildWeatherLocationWithStartDate(
location, System.currentTimeMillis());
Cursor data = getContentResolver().query(weatherForLocationUri, FORECAST_COLUMNS, null,
null, WeatherContract.WeatherEntry.COLUMN_DATE + " ASC");
if (data == null) {
return;
}
if (!data.moveToFirst()) {
data.close();
return;
}
// Extract the weather data from the Cursor
int weatherId = data.getInt(INDEX_WEATHER_ID);
int weatherArtResourceId = Utility.getArtResourceForWeatherCondition(weatherId);
String description = data.getString(INDEX_SHORT_DESC);
double maxTemp = data.getDouble(INDEX_MAX_TEMP);
String formattedMaxTemperature = Utility.formatTemperature(this, maxTemp);
data.close();
// Perform this loop procedure for each Today widget
for (int appWidgetId : appWidgetIds) {
int layoutId = R.layout.widget_today_small;
RemoteViews views = new RemoteViews(getPackageName(), layoutId);
// Add the data to the RemoteViews
views.setImageViewResource(R.id.widget_icon, weatherArtResourceId);
// Content Descriptions for RemoteViews were only added in ICS MR1
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1) {
setRemoteContentDescription(views, description);
}
views.setTextViewText(R.id.widget_high_temperature, formattedMaxTemperature);
// Create an Intent to launch MainActivity
Intent launchIntent = new Intent(this, MainActivity.class);
PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, launchIntent, 0);
views.setOnClickPendingIntent(R.id.widget, pendingIntent);
// Tell the AppWidgetManager to perform an update on the current app widget
appWidgetManager.updateAppWidget(appWidgetId, views);
}
}
@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1)
private void setRemoteContentDescription(RemoteViews views, String description) {
views.setContentDescription(R.id.widget_icon, description);
}
}

56
app/src/main/java/com/example/android/sunshine/app/widget/TodayWidgetProvider.java
View File

@@ -15,55 +15,39 @@
*/
package com.example.android.sunshine.app.widget;
import android.annotation.TargetApi;
import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.Context;
import android.content.Intent;
import android.os.Build;
import android.widget.RemoteViews;
import android.os.Bundle;
import android.support.annotation.NonNull;
import com.example.android.sunshine.app.MainActivity;
import com.example.android.sunshine.app.R;
import com.example.android.sunshine.app.Utility;
import com.example.android.sunshine.app.sync.SunshineSyncAdapter;
/**
* Provider for a widget showing today's weather.
*
* Delegates widget updating to {@link TodayWidgetIntentService} to ensure that
* data retrieval is done on a background thread
*/
public class TodayWidgetProvider extends AppWidgetProvider {
@Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
int weatherArtResourceId = R.drawable.art_clear;
String description = "Clear";
double maxTemp = 24;
String formattedMaxTemperature = Utility.formatTemperature(context, maxTemp);
// Perform this loop procedure for each Today widget
for (int appWidgetId : appWidgetIds) {
int layoutId = R.layout.widget_today_small;
RemoteViews views = new RemoteViews(context.getPackageName(), layoutId);
// Add the data to the RemoteViews
views.setImageViewResource(R.id.widget_icon, weatherArtResourceId);
// Content Descriptions for RemoteViews were only added in ICS MR1
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1) {
setRemoteContentDescription(views, description);
}
views.setTextViewText(R.id.widget_high_temperature, formattedMaxTemperature);
// Create an Intent to launch MainActivity
Intent launchIntent = new Intent(context, MainActivity.class);
PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, launchIntent, 0);
views.setOnClickPendingIntent(R.id.widget, pendingIntent);
// Tell the AppWidgetManager to perform an update on the current app widget
appWidgetManager.updateAppWidget(appWidgetId, views);
}
context.startService(new Intent(context, TodayWidgetIntentService.class));
}
@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1)
private void setRemoteContentDescription(RemoteViews views, String description) {
views.setContentDescription(R.id.widget_icon, description);
@Override
public void onAppWidgetOptionsChanged(Context context, AppWidgetManager appWidgetManager,
int appWidgetId, Bundle newOptions) {
context.startService(new Intent(context, TodayWidgetIntentService.class));
}
@Override
public void onReceive(@NonNull Context context, @NonNull Intent intent) {
super.onReceive(context, intent);
if (SunshineSyncAdapter.ACTION_DATA_UPDATED.equals(intent.getAction())) {
context.startService(new Intent(context, TodayWidgetIntentService.class));
}
}
}