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;
        
        public Side9WidgetProvider() {
                Log.i("Side9Pigen", "WidgetProvider constructor called");
        }
                
        @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.i("Side9Pigen", "background data disabled");
                        return;
                }
                
        try {
                Side9Data newData = Side9Xml.loadXml();
                
                if (! newData.equals(usedData)) {
                        
                        
                        Log.i("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);
                            views.setTextViewText(R.id.caption, newData.caption);
                            
                            
                            // 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);
                            
                            Log.i("Side9Pigen", "done " + appWidgetId);
                        }       
                } //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	649
24			public Side9WidgetProvider() {
25			Log.i("Side9Pigen", "WidgetProvider constructor called");
26			}
27	torben	632
28			@Override
29			public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
30			super.onUpdate(context, appWidgetManager, appWidgetIds);
31
32			final int N = appWidgetIds.length; //
33
34	torben	635	Log.e("Side9Pigen", "onUpdate:" + N);
35	torben	632
36	torben	636	ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
37			if (connMgr.getBackgroundDataSetting() == false)
38			{
39	torben	649	Log.i("Side9Pigen", "background data disabled");
40	torben	636	return;
41			}
42	torben	632
43			try {
44	torben	635	Side9Data newData = Side9Xml.loadXml();
45	torben	632
46	torben	635	if (! newData.equals(usedData)) {
47
48
49	torben	649	Log.i("Side9Pigen", "(Re)loading image:" + newData.url);
50	torben	634
51	torben	635	URL imgUrl = new URL( newData.url );
52	torben	634
53			URLConnection conn = imgUrl.openConnection();
54			Bitmap image = BitmapFactory.decodeStream( conn.getInputStream() );
55
56	torben	635
57	torben	649
58	torben	635	usedData = newData; // if we made it to here without exceptions, save the new data
59
60	torben	634
61			// Perform this loop procedure for each App Widget that belongs to this provider
62			for (int i=0; i<N; i++) {
63			int appWidgetId = appWidgetIds[i];
64
65			RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.side9widget);
66	torben	635
67	torben	634	views.setImageViewBitmap(R.id.side9picture, image);
68	torben	649	views.setTextViewText(R.id.caption, newData.caption);
69	torben	634
70	torben	649
71	torben	635	// Launch a browser when user clicks on the image
72			Intent viewIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(Side9Xml.BASEURL));
73			viewIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
74			PendingIntent pending = PendingIntent.getActivity(context, 0, viewIntent, Intent.FLAG_ACTIVITY_NEW_TASK);
75			views.setOnClickPendingIntent(R.id.side9picture, pending);
76	torben	634
77			// Tell the AppWidgetManager to perform an update on the current App Widget
78			appWidgetManager.updateAppWidget(appWidgetId, views);
79	torben	649
80			Log.i("Side9Pigen", "done " + appWidgetId);
81	torben	634	}
82			} //END if (data.equals)
83	torben	632
84			} catch (Exception e) {
85	torben	635	Log.e("Side9Pigen", "update failed", e);
86	torben	632	}
87			}
88
89	torben	635
90			//Called when the last widget is removed/disabled
91			@Override
92			public void onDisabled(Context context) {
93			super.onDisabled(context);
94
95			usedData = null; //free memory
96			}
97
98	torben	632	}