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;
        private static Bitmap usedBitmap; 
        private static long timestamp;

        final static long UDPATESPAN = 6*60*60*1000;


        static  {
                timestamp = 0L;
        }

        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("http://ekstrabladet.dk/side9/"));
                        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.i("Side9Pigen", "onUpdate:");

                if (usedBitmap == null) { //load default view
                        usedBitmap = BitmapFactory.decodeResource(context.getResources(), R.drawable.side9logo);
                }


                ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
                if (connMgr.getBackgroundDataSetting() == false)
                {
                        Log.i("Side9Pigen", "background data disabled");
                        return;
                }

                if (System.currentTimeMillis() > (timestamp+UDPATESPAN) ) {
                        Log.i("Side9Pigen", "time elapsed, force XML reload");
                        usedData = null;
                }

                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();
                                conn.setConnectTimeout(2500);
                                Bitmap image = BitmapFactory.decodeStream( conn.getInputStream() );

                                usedData = newData; // if we made it to here without exceptions, save the new data
                                usedBitmap = image;
                                timestamp = System.currentTimeMillis();

                        } // endif

                } catch (Exception e) {
                        Log.e("Side9Pigen", "update failed", e);
                }

                setImage(context,appWidgetManager,appWidgetIds, usedBitmap);
                Log.i("Side9Pigen", "update completed");
        }


        //Called when the last widget is removed/disabled
        @Override
        public void onDisabled(Context context) {
                super.onDisabled(context);

                usedData = null; //free memory
                usedBitmap = null;
        }

}
1	package dk.thoerup.side9;
2
3	import java.net.URL;
4	import java.net.URLConnection;
5
6	import android.app.PendingIntent;
7	import android.appwidget.AppWidgetManager;
8	import android.appwidget.AppWidgetProvider;
9	import android.content.Context;
10	import android.content.Intent;
11	import android.graphics.Bitmap;
12	import android.graphics.BitmapFactory;
13	import android.net.ConnectivityManager;
14	import android.net.Uri;
15	import android.util.Log;
16	import android.widget.RemoteViews;
17
18	public class Side9WidgetProvider extends AppWidgetProvider {
19
20
21	//The data needs to be static, since BroadcastReceivers (which WidgetProviders extends) are only valid during onReceive()
22	private static Side9Data usedData;
23	private static Bitmap usedBitmap;
24	private static long timestamp;
25
26	final static long UDPATESPAN = 66060*1000;
27
28
29	static {
30	timestamp = 0L;
31	}
32
33	public Side9WidgetProvider() {
34	Log.i("Side9Pigen", "WidgetProvider constructor called");
35	}
36
37	private void setImage(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds, Bitmap image) {
38	// Perform this loop procedure for each App Widget that belongs to this provider
39	final int N = appWidgetIds.length;
40	for (int i=0; i<N; i++) {
41	int appWidgetId = appWidgetIds[i];
42
43	RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.side9widget);
44
45	if (image != null) {
46	views.setImageViewBitmap(R.id.side9picture, image);
47	} else {
48	views.setImageViewResource(R.id.side9picture, R.drawable.side9logo);
49	}
50	//views.setTextViewText(R.id.caption, newData.caption);
51
52
53	// Launch a browser when user clicks on the image
54	Intent viewIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://ekstrabladet.dk/side9/"));
55	viewIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
56	PendingIntent pending = PendingIntent.getActivity(context, 0, viewIntent, Intent.FLAG_ACTIVITY_NEW_TASK);
57	views.setOnClickPendingIntent(R.id.side9picture, pending);
58
59	// Tell the AppWidgetManager to perform an update on the current App Widget
60	appWidgetManager.updateAppWidget(appWidgetId, views);
61
62	Log.i("Side9Pigen", "done " + appWidgetId);
63	}
64	}
65
66	@Override
67	public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
68	super.onUpdate(context, appWidgetManager, appWidgetIds);
69
70	Log.i("Side9Pigen", "onUpdate:");
71
72	if (usedBitmap == null) { //load default view
73	usedBitmap = BitmapFactory.decodeResource(context.getResources(), R.drawable.side9logo);
74	}
75
76
77
78	ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
79	if (connMgr.getBackgroundDataSetting() == false)
80	{
81	Log.i("Side9Pigen", "background data disabled");
82	return;
83	}
84
85	if (System.currentTimeMillis() > (timestamp+UDPATESPAN) ) {
86	Log.i("Side9Pigen", "time elapsed, force XML reload");
87	usedData = null;
88	}
89
90	try {
91	Side9Data newData = Side9Xml.loadXml();
92
93	if (! newData.equals(usedData)) {
94
95
96	Log.i("Side9Pigen", "(Re)loading image:" + newData.url);
97
98	URL imgUrl = new URL( newData.url );
99
100	URLConnection conn = imgUrl.openConnection();
101	conn.setConnectTimeout(2500);
102	Bitmap image = BitmapFactory.decodeStream( conn.getInputStream() );
103
104	usedData = newData; // if we made it to here without exceptions, save the new data
105	usedBitmap = image;
106	timestamp = System.currentTimeMillis();
107
108	} // endif
109
110	} catch (Exception e) {
111	Log.e("Side9Pigen", "update failed", e);
112	}
113
114	setImage(context,appWidgetManager,appWidgetIds, usedBitmap);
115	Log.i("Side9Pigen", "update completed");
116	}
117
118
119	//Called when the last widget is removed/disabled
120	@Override
121	public void onDisabled(Context context) {
122	super.onDisabled(context);
123
124	usedData = null; //free memory
125	usedBitmap = null;
126	}
127
128	}