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/"));                     

                        
                        //View single file
//                      Intent viewIntent = new Intent(android.content.Intent.ACTION_VIEW);
        //              viewIntent.setDataAndType(Uri.parse("file:///sdcard/Side9/20100531_400.jpg"), "image/png");
                        
                        //view single file
                        //Intent viewIntent = new Intent(Intent.ACTION_VIEW);
                        //Uri u = Uri.withAppendedPath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "1" );
                        //viewIntent.setData(u);
                        
                        //Intent viewIntent = new Intent();
                        //viewIntent.setClassName("com.android.camera", "com.android.camera.GalleryPicker");
                        

                        /*Intent viewIntent = new Intent();
                        viewIntent.addCategory(Intent.CATEGORY_LAUNCHER);
                        viewIntent.setAction(Intent.ACTION_MAIN);
                        viewIntent.setComponent(new ComponentName("com.android.camera", ".GalleryPicker"));
                        viewIntent.setFlags(0x10200000);*/ 

                        
                        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	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
70	//View single file
71	// Intent viewIntent = new Intent(android.content.Intent.ACTION_VIEW);
72	// viewIntent.setDataAndType(Uri.parse("file:///sdcard/Side9/20100531_400.jpg"), "image/png");
73
74	//view single file
75	//Intent viewIntent = new Intent(Intent.ACTION_VIEW);
76	//Uri u = Uri.withAppendedPath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "1" );
77	//viewIntent.setData(u);
78
79	//Intent viewIntent = new Intent();
80	//viewIntent.setClassName("com.android.camera", "com.android.camera.GalleryPicker");
81
82
83	/*Intent viewIntent = new Intent();
84	viewIntent.addCategory(Intent.CATEGORY_LAUNCHER);
85	viewIntent.setAction(Intent.ACTION_MAIN);
86	viewIntent.setComponent(new ComponentName("com.android.camera", ".GalleryPicker"));
87	viewIntent.setFlags(0x10200000);*/
88
89
90
91
92	PendingIntent pending = PendingIntent.getActivity(context, 0, viewIntent, Intent.FLAG_ACTIVITY_NEW_TASK);
93	views.setOnClickPendingIntent(R.id.side9picture, pending);
94
95	// Tell the AppWidgetManager to perform an update on the current App Widget
96	appWidgetManager.updateAppWidget(appWidgetId, views);
97
98	Log.i(TAG, "done " + appWidgetId);
99	}
100	}
101
102	@Override
103	public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
104	super.onUpdate(context, appWidgetManager, appWidgetIds);
105
106	Log.i(TAG, "onUpdate:");
107
108	if (usedBitmap == null) { //load default view
109	usedBitmap = BitmapFactory.decodeResource(context.getResources(), R.drawable.side9logo);
110	}
111
112
113
114	ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
115	if (connMgr.getBackgroundDataSetting() == false)
116	{
117	Log.i(TAG, "background data disabled");
118	return;
119	}
120
121	if (System.currentTimeMillis() > (timestamp+UDPATESPAN) ) {
122	Log.i(TAG, "time elapsed, force XML reload");
123	usedData = null;
124	}
125
126	try {
127	Side9Data newData = Side9Xml.loadXml();
128
129	if (! newData.equals(usedData)) {
130
131
132	Log.i(TAG, "(Re)loading image:" + newData.url);
133
134	Bitmap image = getImageData(context, newData);
135
136	usedData = newData; // if we made it to here without exceptions, save the new data
137	usedBitmap = image;
138	timestamp = System.currentTimeMillis();
139
140
141	} // endif
142
143	} catch (Exception e) {
144	Log.e("Side9Pigen", "update failed", e);
145	}
146
147	setImage(context,appWidgetManager,appWidgetIds, usedBitmap);
148	Log.i("Side9Pigen", "update completed");
149	}
150
151	Bitmap getImageData(Context context, Side9Data data) throws IOException {
152
153	SharedPreferences prefs = context.getSharedPreferences(TAG, Context.MODE_PRIVATE);
154	boolean saveImage = prefs.getBoolean("saveimage", false);
155
156	final String savepath = Environment.getExternalStorageDirectory() + "/Side9";
157
158	File file = new File( savepath + "/" + data.getFilename() );
159
160	/* if the picture changes later on the day we do NOT want to use an old and invalid image
161	if (saveImage == true) {
162	if (file.exists()) {
163	return BitmapFactory.decodeFile(file.getAbsolutePath());
164	}
165	}*/
166
167
168	byte imageData[] = HttpUtil.getContent(data.url, 2500);
169
170	if (saveImage == true) {
171	if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
172	File savedir = new File(savepath);
173	savedir.mkdirs();
174
175	if (file.exists()) {
176	file.delete();
177	}
178
179	FileOutputStream fos = new FileOutputStream(file);
180	fos.write(imageData);
181	fos.close();
182
183	Intent rescan = new Intent(Intent.ACTION_MEDIA_MOUNTED, Uri.parse("file://" + Environment.getExternalStorageDirectory()) );
184	rescan.putExtra("read-only", false);
185	context.sendBroadcast(rescan);
186
187	} else {
188	Log.i(TAG, "sdcard is not mounted");
189	}
190	}
191
192	return BitmapFactory.decodeByteArray(imageData, 0, imageData.length);
193	}
194
195
196	//Called when the last widget is removed/disabled
197	@Override
198	public void onDisabled(Context context) {
199	super.onDisabled(context);
200	Log.i(TAG, "onDisabled");
201
202	resetStatics();//free memory
203	}
204
205	@Override
206	public void onEnabled(Context context) {
207	super.onEnabled(context);
208	Log.i(TAG, "onEnabled");
209
210	resetStatics();//free memory
211	}
212
213	}