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.ConnectivityManager;
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);
                
                ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
                if (connMgr.getBackgroundDataSetting() == false)
                {
                        Log.e("Side9Pigen", "background data disabled");
                        return;
                }
                
        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	636	import android.net.ConnectivityManager;
14	torben	635	import android.net.Uri;
15	torben	632	import android.util.Log;
16			import android.widget.RemoteViews;
17
18			public class Side9WidgetProvider extends AppWidgetProvider {
19
20	torben	635
21			//The data needs to be static, since BroadcastReceivers (which WidgetProviders extends) are only valid during onReceive()
22			private static Side9Data usedData;
23	torben	632
24			@Override
25			public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
26			super.onUpdate(context, appWidgetManager, appWidgetIds);
27
28			final int N = appWidgetIds.length; //
29
30	torben	635	Log.e("Side9Pigen", "onUpdate:" + N);
31	torben	632
32	torben	636	ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
33			if (connMgr.getBackgroundDataSetting() == false)
34			{
35			Log.e("Side9Pigen", "background data disabled");
36			return;
37			}
38	torben	632
39			try {
40	torben	635	Side9Data newData = Side9Xml.loadXml();
41	torben	632
42	torben	635	if (! newData.equals(usedData)) {
43
44
45			Log.e("Side9Pigen", "(Re)loading image:" + newData.url);
46	torben	634
47	torben	635	URL imgUrl = new URL( newData.url );
48	torben	634
49			URLConnection conn = imgUrl.openConnection();
50			Bitmap image = BitmapFactory.decodeStream( conn.getInputStream() );
51
52	torben	635
53			usedData = newData; // if we made it to here without exceptions, save the new data
54
55	torben	634
56			// Perform this loop procedure for each App Widget that belongs to this provider
57			for (int i=0; i<N; i++) {
58			int appWidgetId = appWidgetIds[i];
59
60			RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.side9widget);
61	torben	635
62	torben	634	views.setImageViewBitmap(R.id.side9picture, image);
63
64	torben	635	// Launch a browser when user clicks on the image
65			Intent viewIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(Side9Xml.BASEURL));
66			viewIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
67			PendingIntent pending = PendingIntent.getActivity(context, 0, viewIntent, Intent.FLAG_ACTIVITY_NEW_TASK);
68			views.setOnClickPendingIntent(R.id.side9picture, pending);
69	torben	634
70			// Tell the AppWidgetManager to perform an update on the current App Widget
71			appWidgetManager.updateAppWidget(appWidgetId, views);
72			}
73			} //END if (data.equals)
74	torben	632
75			} catch (Exception e) {
76	torben	635	Log.e("Side9Pigen", "update failed", e);
77	torben	632	}
78			}
79
80	torben	635
81			//Called when the last widget is removed/disabled
82			@Override
83			public void onDisabled(Context context) {
84			super.onDisabled(context);
85
86			usedData = null; //free memory
87			}
88
89	torben	632	}