thoerup/side9/Side9WidgetProvider.java

package dk.thoerup.side9;

import java.net.URL;
import java.net.URLConnection;

import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.util.Log;
import android.widget.RemoteViews;

public class Side9WidgetProvider extends AppWidgetProvider  {
        
        
        //The data needs to be static, since BroadcastReceivers (which WidgetProviders extends) are only valid during onReceive()
        private static Side9Data usedData;
                
        @Override
        public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
                super.onUpdate(context, appWidgetManager, appWidgetIds);
                
                final int N = appWidgetIds.length; //
                
                Log.e("Side9Pigen", "onUpdate:" + N);
                
                
        try {
                Side9Data newData = Side9Xml.loadXml();
                
                if (! newData.equals(usedData)) {
                        
                        
                        Log.e("Side9Pigen", "(Re)loading image:" + newData.url);
                                                
                        URL imgUrl = new URL( newData.url );            
                        
                        URLConnection conn = imgUrl.openConnection();
                        Bitmap image = BitmapFactory.decodeStream( conn.getInputStream() );
                        
                        
                        usedData = newData; // if we made it to here without exceptions, save the new data
                        
                
                        // Perform this loop procedure for each App Widget that belongs to this provider
                        for (int i=0; i<N; i++) {
                            int appWidgetId = appWidgetIds[i];
                                                    
                            RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.side9widget);
                                                    
                            views.setImageViewBitmap(R.id.side9picture, image);
                            
                            // Launch a browser when user clicks on the image
                            Intent viewIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(Side9Xml.BASEURL));
                            viewIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                            PendingIntent pending = PendingIntent.getActivity(context, 0, viewIntent, Intent.FLAG_ACTIVITY_NEW_TASK);                       
                            views.setOnClickPendingIntent(R.id.side9picture, pending);                      
                            
                            // Tell the AppWidgetManager to perform an update on the current App Widget
                            appWidgetManager.updateAppWidget(appWidgetId, views);
                        }       
                } //END if (data.equals)
                
        } catch (Exception e) {
                Log.e("Side9Pigen", "update failed", e);
        }
        }

        
        //Called when the last widget is removed/disabled
        @Override
        public void onDisabled(Context context) {
                super.onDisabled(context);
                
                usedData = null; //free memory
        }

}
1	torben	632	package dk.thoerup.side9;
2
3			import java.net.URL;
4			import java.net.URLConnection;
5
6	torben	635	import android.app.PendingIntent;
7	torben	632	import android.appwidget.AppWidgetManager;
8			import android.appwidget.AppWidgetProvider;
9			import android.content.Context;
10	torben	635	import android.content.Intent;
11	torben	632	import android.graphics.Bitmap;
12			import android.graphics.BitmapFactory;
13	torben	635	import android.net.Uri;
14	torben	632	import android.util.Log;
15			import android.widget.RemoteViews;
16
17			public class Side9WidgetProvider extends AppWidgetProvider {
18
19	torben	635
20			//The data needs to be static, since BroadcastReceivers (which WidgetProviders extends) are only valid during onReceive()
21			private static Side9Data usedData;
22	torben	632
23			@Override
24			public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
25			super.onUpdate(context, appWidgetManager, appWidgetIds);
26
27			final int N = appWidgetIds.length; //
28
29	torben	635	Log.e("Side9Pigen", "onUpdate:" + N);
30	torben	632
31
32			try {
33	torben	635	Side9Data newData = Side9Xml.loadXml();
34	torben	632
35	torben	635	if (! newData.equals(usedData)) {
36
37
38			Log.e("Side9Pigen", "(Re)loading image:" + newData.url);
39	torben	634
40	torben	635	URL imgUrl = new URL( newData.url );
41	torben	634
42			URLConnection conn = imgUrl.openConnection();
43			Bitmap image = BitmapFactory.decodeStream( conn.getInputStream() );
44
45	torben	635
46			usedData = newData; // if we made it to here without exceptions, save the new data
47
48	torben	634
49			// Perform this loop procedure for each App Widget that belongs to this provider
50			for (int i=0; i<N; i++) {
51			int appWidgetId = appWidgetIds[i];
52
53			RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.side9widget);
54	torben	635
55	torben	634	views.setImageViewBitmap(R.id.side9picture, image);
56
57	torben	635	// Launch a browser when user clicks on the image
58			Intent viewIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(Side9Xml.BASEURL));
59			viewIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
60			PendingIntent pending = PendingIntent.getActivity(context, 0, viewIntent, Intent.FLAG_ACTIVITY_NEW_TASK);
61			views.setOnClickPendingIntent(R.id.side9picture, pending);
62	torben	634
63			// Tell the AppWidgetManager to perform an update on the current App Widget
64			appWidgetManager.updateAppWidget(appWidgetId, views);
65			}
66			} //END if (data.equals)
67	torben	632
68			} catch (Exception e) {
69	torben	635	Log.e("Side9Pigen", "update failed", e);
70	torben	632	}
71			}
72
73	torben	635
74			//Called when the last widget is removed/disabled
75			@Override
76			public void onDisabled(Context context) {
77			super.onDisabled(context);
78
79			usedData = null; //free memory
80			}
81
82	torben	632	}