thoerup/side9/Side9WidgetProvider.java

package dk.thoerup.side9;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.ConnectivityManager;
import android.net.Uri;
import android.os.Environment;
import android.util.Log;
import android.widget.RemoteViews;
import dk.thoerup.androidutils.HttpUtil;

public class Side9WidgetProvider extends AppWidgetProvider  {

        public static final String TAG = "Side9Pigen";

        //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 = 4*60*60*1000;

        static  {
                timestamp = 0L;
        }

        public Side9WidgetProvider() {
                Log.i(TAG, "WidgetProvider constructor called");
        }
        
        public void resetStatics() {
                Log.i(TAG, "resetStatics");
                usedData = null; 
                usedBitmap = null;              
        }
        
        
        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);


                        //Intent viewIntent = new Intent(android.content.Intent.ACTION_VIEW, Uri.parse("http://www.ekstrabladet.dk/side9/"));                   

                        Intent viewIntent = new Intent(context, dk.thoerup.side9.PictureOverview.class );
                                                
                        
                        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(TAG, "done " + appWidgetId);
                }       
        }

        @Override
        public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
                super.onUpdate(context, appWidgetManager, appWidgetIds);

                Log.i(TAG, "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(TAG, "background data disabled");
                        return;
                }

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

                try {
                        Side9Data newData = Side9Xml.loadXml();

                        if (! newData.equals(usedData)) {


                                Log.i(TAG, "(Re)loading image:" + newData.url);

                                Bitmap image = getImageData(context, newData);

                                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");
        }
        
        Bitmap getImageData(Context context, Side9Data data) throws IOException {       
                
                SharedPreferences prefs = context.getSharedPreferences(TAG, Context.MODE_PRIVATE);
                boolean saveImage = prefs.getBoolean("saveimage", false);
                
                final String savepath = Environment.getExternalStorageDirectory() + "/Side9";
                
                File file = new File( savepath + "/" + data.getFilename() );
                
                /* if the picture changes later on the day we do NOT want to use an old and invalid image               
                if (saveImage == true) {                        
                        if (file.exists()) {
                                return BitmapFactory.decodeFile(file.getAbsolutePath());
                        }
                }*/
                
                                
                byte imageData[] = HttpUtil.getContent(data.url, 2500);
                
                if (saveImage == true) {
                        if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
                                File savedir = new File(savepath);
                                savedir.mkdirs();
                                
                                if (file.exists()) {
                                        file.delete();
                                }
                                
                                FileOutputStream fos = new FileOutputStream(file);
                                fos.write(imageData);
                                fos.close();

                                Intent rescan = new Intent(Intent.ACTION_MEDIA_MOUNTED, Uri.parse("file://" + Environment.getExternalStorageDirectory()) );
                                rescan.putExtra("read-only", false);                                                            
                                context.sendBroadcast(rescan);
                                
                        } else {
                                Log.i(TAG, "sdcard is not mounted");
                        }
                }
                
                return BitmapFactory.decodeByteArray(imageData, 0, imageData.length);
        }


        //Called when the last widget is removed/disabled
        @Override
        public void onDisabled(Context context) {
                super.onDisabled(context);
                Log.i(TAG, "onDisabled");
                
                resetStatics();//free memory
        }

        @Override
        public void onEnabled(Context context) {
                super.onEnabled(context);
                Log.i(TAG, "onEnabled");
                
                resetStatics();//free memory
        }
        
}
1	torben	632	package dk.thoerup.side9;
2
3	torben	771	import java.io.File;
4			import java.io.FileOutputStream;
5			import java.io.IOException;
6	torben	632
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	771	import android.content.SharedPreferences;
13	torben	632	import android.graphics.Bitmap;
14			import android.graphics.BitmapFactory;
15	torben	636	import android.net.ConnectivityManager;
16	torben	776	import android.net.Uri;
17	torben	775	import android.os.Environment;
18	torben	632	import android.util.Log;
19			import android.widget.RemoteViews;
20	torben	771	import dk.thoerup.androidutils.HttpUtil;
21	torben	632
22			public class Side9WidgetProvider extends AppWidgetProvider {
23	torben	703
24	torben	771	public static final String TAG = "Side9Pigen";
25	torben	703
26	torben	635	//The data needs to be static, since BroadcastReceivers (which WidgetProviders extends) are only valid during onReceive()
27			private static Side9Data usedData;
28	torben	689	private static Bitmap usedBitmap;
29	torben	703	private static long timestamp;
30
31	torben	788	final static long UDPATESPAN = 46060*1000;
32	torben	703
33			static {
34			timestamp = 0L;
35			}
36
37	torben	649	public Side9WidgetProvider() {
38	torben	771	Log.i(TAG, "WidgetProvider constructor called");
39	torben	649	}
40	torben	778
41			public void resetStatics() {
42			Log.i(TAG, "resetStatics");
43			usedData = null;
44			usedBitmap = null;
45			}
46
47
48	torben	703
49	torben	778
50
51	torben	681	private void setImage(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds, Bitmap image) {
52	torben	703	// Perform this loop procedure for each App Widget that belongs to this provider
53	torben	681	final int N = appWidgetIds.length;
54	torben	703	for (int i=0; i<N; i++) {
55			int appWidgetId = appWidgetIds[i];
56
57			RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.side9widget);
58
59			if (image != null) {
60			views.setImageViewBitmap(R.id.side9picture, image);
61			} else {
62			views.setImageViewResource(R.id.side9picture, R.drawable.side9logo);
63			}
64			//views.setTextViewText(R.id.caption, newData.caption);
65
66
67	torben	790	//Intent viewIntent = new Intent(android.content.Intent.ACTION_VIEW, Uri.parse("http://www.ekstrabladet.dk/side9/"));
68	torben	771
69	torben	790	Intent viewIntent = new Intent(context, dk.thoerup.side9.PictureOverview.class );
70
71	torben	771
72	torben	703	PendingIntent pending = PendingIntent.getActivity(context, 0, viewIntent, Intent.FLAG_ACTIVITY_NEW_TASK);
73			views.setOnClickPendingIntent(R.id.side9picture, pending);
74
75			// Tell the AppWidgetManager to perform an update on the current App Widget
76			appWidgetManager.updateAppWidget(appWidgetId, views);
77
78	torben	771	Log.i(TAG, "done " + appWidgetId);
79	torben	703	}
80	torben	681	}
81	torben	703
82	torben	632	@Override
83			public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
84			super.onUpdate(context, appWidgetManager, appWidgetIds);
85	torben	703
86	torben	771	Log.i(TAG, "onUpdate:");
87	torben	703
88	torben	689	if (usedBitmap == null) { //load default view
89			usedBitmap = BitmapFactory.decodeResource(context.getResources(), R.drawable.side9logo);
90			}
91	torben	703
92
93
94	torben	636	ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
95			if (connMgr.getBackgroundDataSetting() == false)
96			{
97	torben	771	Log.i(TAG, "background data disabled");
98	torben	636	return;
99			}
100	torben	703
101			if (System.currentTimeMillis() > (timestamp+UDPATESPAN) ) {
102	torben	771	Log.i(TAG, "time elapsed, force XML reload");
103	torben	703	usedData = null;
104			}
105
106			try {
107			Side9Data newData = Side9Xml.loadXml();
108
109			if (! newData.equals(usedData)) {
110
111
112	torben	771	Log.i(TAG, "(Re)loading image:" + newData.url);
113	torben	703
114	torben	771	Bitmap image = getImageData(context, newData);
115	torben	703
116			usedData = newData; // if we made it to here without exceptions, save the new data
117			usedBitmap = image;
118			timestamp = System.currentTimeMillis();
119	torben	771
120	torben	703
121			} // endif
122
123			} catch (Exception e) {
124			Log.e("Side9Pigen", "update failed", e);
125			}
126
127			setImage(context,appWidgetManager,appWidgetIds, usedBitmap);
128			Log.i("Side9Pigen", "update completed");
129	torben	632	}
130	torben	771
131			Bitmap getImageData(Context context, Side9Data data) throws IOException {
132
133			SharedPreferences prefs = context.getSharedPreferences(TAG, Context.MODE_PRIVATE);
134			boolean saveImage = prefs.getBoolean("saveimage", false);
135
136	torben	788	final String savepath = Environment.getExternalStorageDirectory() + "/Side9";
137	torben	771
138	torben	788	File file = new File( savepath + "/" + data.getFilename() );
139
140	torben	774	/* if the picture changes later on the day we do NOT want to use an old and invalid image
141			if (saveImage == true) {
142	torben	771	if (file.exists()) {
143			return BitmapFactory.decodeFile(file.getAbsolutePath());
144			}
145	torben	774	}*/
146	torben	775
147	torben	771
148			byte imageData[] = HttpUtil.getContent(data.url, 2500);
149
150			if (saveImage == true) {
151	torben	775	if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
152	torben	788	File savedir = new File(savepath);
153	torben	775	savedir.mkdirs();
154
155			if (file.exists()) {
156			file.delete();
157			}
158
159			FileOutputStream fos = new FileOutputStream(file);
160			fos.write(imageData);
161			fos.close();
162	torben	788
163			Intent rescan = new Intent(Intent.ACTION_MEDIA_MOUNTED, Uri.parse("file://" + Environment.getExternalStorageDirectory()) );
164			rescan.putExtra("read-only", false);
165			context.sendBroadcast(rescan);
166
167	torben	776	} else {
168			Log.i(TAG, "sdcard is not mounted");
169	torben	774	}
170	torben	771	}
171
172			return BitmapFactory.decodeByteArray(imageData, 0, imageData.length);
173			}
174	torben	632
175	torben	703
176	torben	635	//Called when the last widget is removed/disabled
177			@Override
178			public void onDisabled(Context context) {
179			super.onDisabled(context);
180	torben	771	Log.i(TAG, "onDisabled");
181	torben	778
182			resetStatics();//free memory
183			}
184	torben	703
185	torben	778	@Override
186			public void onEnabled(Context context) {
187			super.onEnabled(context);
188			Log.i(TAG, "onEnabled");
189
190			resetStatics();//free memory
191	torben	635	}
192	torben	778
193	torben	632	}