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");
                        }
                }
                
                Bitmap full = BitmapFactory.decodeByteArray(imageData, 0, imageData.length);
                Bitmap scaled = Bitmap.createScaledBitmap(full, 400, 577, true);
                return scaled;
        }


        //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	package dk.thoerup.side9;
2
3	import java.io.File;
4	import java.io.FileOutputStream;
5	import java.io.IOException;
6
7	import android.app.PendingIntent;
8	import android.appwidget.AppWidgetManager;
9	import android.appwidget.AppWidgetProvider;
10	import android.content.Context;
11	import android.content.Intent;
12	import android.content.SharedPreferences;
13	import android.graphics.Bitmap;
14	import android.graphics.BitmapFactory;
15	import android.net.ConnectivityManager;
16	import android.net.Uri;
17	import android.os.Environment;
18	import android.util.Log;
19	import android.widget.RemoteViews;
20	import dk.thoerup.androidutils.HttpUtil;
21
22	public class Side9WidgetProvider extends AppWidgetProvider {
23
24	public static final String TAG = "Side9Pigen";
25
26	//The data needs to be static, since BroadcastReceivers (which WidgetProviders extends) are only valid during onReceive()
27	private static Side9Data usedData;
28	private static Bitmap usedBitmap;
29	private static long timestamp;
30
31	final static long UDPATESPAN = 46060*1000;
32
33	static {
34	timestamp = 0L;
35	}
36
37	public Side9WidgetProvider() {
38	Log.i(TAG, "WidgetProvider constructor called");
39	}
40
41	public void resetStatics() {
42	Log.i(TAG, "resetStatics");
43	usedData = null;
44	usedBitmap = null;
45	}
46
47
48
49
50
51	private void setImage(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds, Bitmap image) {
52	// Perform this loop procedure for each App Widget that belongs to this provider
53	final int N = appWidgetIds.length;
54	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	//Intent viewIntent = new Intent(android.content.Intent.ACTION_VIEW, Uri.parse("http://www.ekstrabladet.dk/side9/"));
68
69	Intent viewIntent = new Intent(context, dk.thoerup.side9.PictureOverview.class );
70
71
72	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	Log.i(TAG, "done " + appWidgetId);
79	}
80	}
81
82	@Override
83	public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
84	super.onUpdate(context, appWidgetManager, appWidgetIds);
85
86	Log.i(TAG, "onUpdate:");
87
88	if (usedBitmap == null) { //load default view
89	usedBitmap = BitmapFactory.decodeResource(context.getResources(), R.drawable.side9logo);
90	}
91
92
93
94	ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
95	if (connMgr.getBackgroundDataSetting() == false)
96	{
97	Log.i(TAG, "background data disabled");
98	return;
99	}
100
101	if (System.currentTimeMillis() > (timestamp+UDPATESPAN) ) {
102	Log.i(TAG, "time elapsed, force XML reload");
103	usedData = null;
104	}
105
106	try {
107	Side9Data newData = Side9Xml.loadXml();
108
109	if (! newData.equals(usedData)) {
110
111
112	Log.i(TAG, "(Re)loading image:" + newData.url);
113
114	Bitmap image = getImageData(context, newData);
115
116	usedData = newData; // if we made it to here without exceptions, save the new data
117	usedBitmap = image;
118	timestamp = System.currentTimeMillis();
119
120
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	}
130
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	final String savepath = Environment.getExternalStorageDirectory() + "/Side9";
137
138	File file = new File( savepath + "/" + data.getFilename() );
139
140	/* if the picture changes later on the day we do NOT want to use an old and invalid image
141	if (saveImage == true) {
142	if (file.exists()) {
143	return BitmapFactory.decodeFile(file.getAbsolutePath());
144	}
145	}*/
146
147
148	byte imageData[] = HttpUtil.getContent(data.url, 2500);
149
150	if (saveImage == true) {
151	if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
152	File savedir = new File(savepath);
153	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
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	} else {
168	Log.i(TAG, "sdcard is not mounted");
169	}
170	}
171
172	Bitmap full = BitmapFactory.decodeByteArray(imageData, 0, imageData.length);
173	Bitmap scaled = Bitmap.createScaledBitmap(full, 400, 577, true);
174	return scaled;
175	}
176
177
178	//Called when the last widget is removed/disabled
179	@Override
180	public void onDisabled(Context context) {
181	super.onDisabled(context);
182	Log.i(TAG, "onDisabled");
183
184	resetStatics();//free memory
185	}
186
187	@Override
188	public void onEnabled(Context context) {
189	super.onEnabled(context);
190	Log.i(TAG, "onEnabled");
191
192	resetStatics();//free memory
193	}
194
195	}