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	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	776	Intent viewIntent = new Intent(android.content.Intent.ACTION_VIEW, Uri.parse("http://www.ekstrabladet.dk/side9/"));
68	torben	771
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	torben	776	/*Intent viewIntent = new Intent();
84	torben	771	viewIntent.addCategory(Intent.CATEGORY_LAUNCHER);
85			viewIntent.setAction(Intent.ACTION_MAIN);
86			viewIntent.setComponent(new ComponentName("com.android.camera", ".GalleryPicker"));
87	torben	776	viewIntent.setFlags(0x10200000);*/
88	torben	771
89
90
91
92	torben	703	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	torben	771	Log.i(TAG, "done " + appWidgetId);
99	torben	703	}
100	torben	681	}
101	torben	703
102	torben	632	@Override
103			public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
104			super.onUpdate(context, appWidgetManager, appWidgetIds);
105	torben	703
106	torben	771	Log.i(TAG, "onUpdate:");
107	torben	703
108	torben	689	if (usedBitmap == null) { //load default view
109			usedBitmap = BitmapFactory.decodeResource(context.getResources(), R.drawable.side9logo);
110			}
111	torben	703
112
113
114	torben	636	ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
115			if (connMgr.getBackgroundDataSetting() == false)
116			{
117	torben	771	Log.i(TAG, "background data disabled");
118	torben	636	return;
119			}
120	torben	703
121			if (System.currentTimeMillis() > (timestamp+UDPATESPAN) ) {
122	torben	771	Log.i(TAG, "time elapsed, force XML reload");
123	torben	703	usedData = null;
124			}
125
126			try {
127			Side9Data newData = Side9Xml.loadXml();
128
129			if (! newData.equals(usedData)) {
130
131
132	torben	771	Log.i(TAG, "(Re)loading image:" + newData.url);
133	torben	703
134	torben	771	Bitmap image = getImageData(context, newData);
135	torben	703
136			usedData = newData; // if we made it to here without exceptions, save the new data
137			usedBitmap = image;
138			timestamp = System.currentTimeMillis();
139	torben	771
140	torben	703
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	torben	632	}
150	torben	771
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	torben	788	final String savepath = Environment.getExternalStorageDirectory() + "/Side9";
157	torben	771
158	torben	788	File file = new File( savepath + "/" + data.getFilename() );
159
160	torben	774	/* if the picture changes later on the day we do NOT want to use an old and invalid image
161			if (saveImage == true) {
162	torben	771	if (file.exists()) {
163			return BitmapFactory.decodeFile(file.getAbsolutePath());
164			}
165	torben	774	}*/
166	torben	775
167	torben	771
168			byte imageData[] = HttpUtil.getContent(data.url, 2500);
169
170			if (saveImage == true) {
171	torben	775	if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
172	torben	788	File savedir = new File(savepath);
173	torben	775	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	torben	788
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	torben	776	} else {
188			Log.i(TAG, "sdcard is not mounted");
189	torben	774	}
190	torben	771	}
191
192			return BitmapFactory.decodeByteArray(imageData, 0, imageData.length);
193			}
194	torben	632
195	torben	703
196	torben	635	//Called when the last widget is removed/disabled
197			@Override
198			public void onDisabled(Context context) {
199			super.onDisabled(context);
200	torben	771	Log.i(TAG, "onDisabled");
201	torben	778
202			resetStatics();//free memory
203			}
204	torben	703
205	torben	778	@Override
206			public void onEnabled(Context context) {
207			super.onEnabled(context);
208			Log.i(TAG, "onEnabled");
209
210			resetStatics();//free memory
211	torben	635	}
212	torben	778
213	torben	632	}