thoerup/side9/Side9WidgetProvider.java

package dk.thoerup.side9;

import java.io.IOException;
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");
        }
        
        private void setImage(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds, Bitmap image) {
        // Perform this loop procedure for each App Widget that belongs to this provider
                final int N = appWidgetIds.length; 
        for (int i=0; i<N; i++) {
            int appWidgetId = appWidgetIds[i];
                                    
            RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.side9widget);
                                    
            if (image != null) {
                views.setImageViewBitmap(R.id.side9picture, image);
            } else {
                views.setImageViewResource(R.id.side9picture, R.drawable.side9logo);
            }
            //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);
        }       
        }
                
        @Override
        public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
                super.onUpdate(context, appWidgetManager, appWidgetIds);
                
                
                
                Log.e("Side9Pigen", "onUpdate:");
                
                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() );
                        
                        setImage(context,appWidgetManager,appWidgetIds, image);
                        
                        usedData = newData; // if we made it to here without exceptions, save the new data
                        
                } // endif

                
        } catch (Exception e) {
                Log.e("Side9Pigen", "update failed", e);
                
                if (usedData == null) {
                        setImage(context,appWidgetManager,appWidgetIds, null);
                }
        }
        }

        
        //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	torben	681	import java.io.IOException;
4	torben	632	import java.net.URL;
5			import java.net.URLConnection;
6
7	torben	635	import android.app.PendingIntent;
8	torben	632	import android.appwidget.AppWidgetManager;
9			import android.appwidget.AppWidgetProvider;
10			import android.content.Context;
11	torben	635	import android.content.Intent;
12	torben	632	import android.graphics.Bitmap;
13			import android.graphics.BitmapFactory;
14	torben	636	import android.net.ConnectivityManager;
15	torben	635	import android.net.Uri;
16	torben	632	import android.util.Log;
17			import android.widget.RemoteViews;
18
19			public class Side9WidgetProvider extends AppWidgetProvider {
20
21	torben	635
22			//The data needs to be static, since BroadcastReceivers (which WidgetProviders extends) are only valid during onReceive()
23			private static Side9Data usedData;
24	torben	649
25			public Side9WidgetProvider() {
26			Log.i("Side9Pigen", "WidgetProvider constructor called");
27			}
28	torben	681
29			private void setImage(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds, Bitmap image) {
30			// Perform this loop procedure for each App Widget that belongs to this provider
31			final int N = appWidgetIds.length;
32			for (int i=0; i<N; i++) {
33			int appWidgetId = appWidgetIds[i];
34
35			RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.side9widget);
36
37			if (image != null) {
38			views.setImageViewBitmap(R.id.side9picture, image);
39			} else {
40			views.setImageViewResource(R.id.side9picture, R.drawable.side9logo);
41			}
42			//views.setTextViewText(R.id.caption, newData.caption);
43
44
45			// Launch a browser when user clicks on the image
46			Intent viewIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(Side9Xml.BASEURL));
47			viewIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
48			PendingIntent pending = PendingIntent.getActivity(context, 0, viewIntent, Intent.FLAG_ACTIVITY_NEW_TASK);
49			views.setOnClickPendingIntent(R.id.side9picture, pending);
50
51			// Tell the AppWidgetManager to perform an update on the current App Widget
52			appWidgetManager.updateAppWidget(appWidgetId, views);
53
54			Log.i("Side9Pigen", "done " + appWidgetId);
55			}
56			}
57	torben	632
58			@Override
59			public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
60			super.onUpdate(context, appWidgetManager, appWidgetIds);
61
62
63
64	torben	681	Log.e("Side9Pigen", "onUpdate:");
65
66	torben	636	ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
67			if (connMgr.getBackgroundDataSetting() == false)
68			{
69	torben	649	Log.i("Side9Pigen", "background data disabled");
70	torben	636	return;
71			}
72	torben	632
73			try {
74	torben	635	Side9Data newData = Side9Xml.loadXml();
75	torben	632
76	torben	635	if (! newData.equals(usedData)) {
77
78
79	torben	649	Log.i("Side9Pigen", "(Re)loading image:" + newData.url);
80	torben	634
81	torben	635	URL imgUrl = new URL( newData.url );
82	torben	634
83			URLConnection conn = imgUrl.openConnection();
84			Bitmap image = BitmapFactory.decodeStream( conn.getInputStream() );
85
86	torben	681	setImage(context,appWidgetManager,appWidgetIds, image);
87	torben	635
88			usedData = newData; // if we made it to here without exceptions, save the new data
89
90	torben	681	} // endif
91
92	torben	632
93			} catch (Exception e) {
94	torben	635	Log.e("Side9Pigen", "update failed", e);
95	torben	681
96			if (usedData == null) {
97			setImage(context,appWidgetManager,appWidgetIds, null);
98			}
99	torben	632	}
100			}
101
102	torben	635
103			//Called when the last widget is removed/disabled
104			@Override
105			public void onDisabled(Context context) {
106			super.onDisabled(context);
107
108			usedData = null; //free memory
109			}
110
111	torben	632	}