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.provider.Settings;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.View;
import android.view.WindowManager;
import android.widget.RemoteViews;
import dk.thoerup.genericjavautils.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 mUsedData; 
        private static long mTimestamp;
        
        private static String mImagePath;

        final static long UDPATESPAN = 4*60*60*1000;

        static  {
                mTimestamp = 0L;
        }

        public Side9WidgetProvider() {
                Log.i(TAG, "WidgetProvider constructor called");
        }
        
        public void resetStatics() {
                Log.i(TAG, "resetStatics");
                mUsedData = null; 
                mImagePath = null;
        }
        
        
        private void setImage(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
                // 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 (mImagePath != null) {                               
                                views.setUri(R.id.side9picture,  "setImageURI", Uri.parse("file:/" + mImagePath));
                        } else {
                                views.setImageViewResource(R.id.side9picture, R.drawable.side9logo);
                        }
                        
                        boolean showcaption = context.
                                        getSharedPreferences(Side9WidgetProvider.TAG, Context.MODE_PRIVATE).
                                        getBoolean(Side9Config.PREFS_SHOWCAPTION, false);
                        
                        if (showcaption == true && mUsedData != null) {
                                views.setTextViewText(R.id.caption, " " + mUsedData.caption + " ");
                                views.setViewVisibility(R.id.caption, View.VISIBLE);
                        } else {
                                views.setViewVisibility(R.id.caption, View.GONE);
                        }


                        //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, 0);                       
                        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:");


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

                //we need to do a full reload of all data now and then because eb.dk sometimes are a bit slow with publishing the new 
                //daily picture, and this is a (crude) way to ensure we have the latest data
                boolean reloadData = false;
                if (System.currentTimeMillis() > (mTimestamp+UDPATESPAN) ) {
                        Log.i(TAG, "time elapsed, force XML reload");
                        reloadData = true;
                }
                

                String androidID = Settings.Secure.getString(context.getContentResolver(), Settings.Secure.ANDROID_ID);
                
                try {
                        Side9Data newData = Side9Xml.loadXml(androidID);

                        if (! newData.equals(mUsedData) || reloadData == true) {


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

                                getImageData(context, newData);

                                mUsedData = newData; // if we made it to here without exceptions, save the new data
                                mTimestamp = System.currentTimeMillis();

                        } // endif

                } catch (IOException ioe) { 
                        Log.e("Side9Pigen", "update failed, IOException: " + ioe.getMessage() );
                } catch (Exception e) {
                        Log.e("Side9Pigen", "update failed", e);
                }

                setImage(context,appWidgetManager,appWidgetIds);
                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(Side9Config.PREFS_SAVEIMAGE, false);
                
                final String savepath = Environment.getExternalStorageDirectory() + "/Side9";
                
                
                File imageFile = new File( savepath + "/" + HttpUtil.getLastPart(data.url) );
                
                /* 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 (imageFile.exists()) {
                                        imageFile.delete();
                                }
                                
                                FileOutputStream fos = new FileOutputStream(imageFile);
                                fos.write(imageData);
                                fos.close();
                                
                                File infoFile = new File( imageFile.toString().replace(".jpg", ".txt"));
                                if (infoFile.exists()) {
                                        infoFile.delete();
                                }
                                fos = new FileOutputStream(infoFile);
                                fos.write(data.caption.getBytes());
                                fos.close();
                                
                                //save a thumb image
                                ImageAdapter.generateAndLoadThumb(imageFile);

                                Intent rescan = new Intent(Intent.ACTION_MEDIA_MOUNTED, Uri.parse("file://" + Environment.getExternalStorageDirectory()) );
                                rescan.putExtra("read-only", false);                                                            
                                context.sendBroadcast(rescan);
                                
                                mImagePath = imageFile.toString();
                                
                        } else {
                                Log.i(TAG, "sdcard is not mounted");
                        }
                }
                
                 DisplayMetrics metrics = new DisplayMetrics();
                 WindowManager wmgr = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
                 wmgr.getDefaultDisplay().getMetrics(metrics);
                 int w = metrics.widthPixels - (2*40);
                 int h = getHeight(w);
                 
                 Log.e(TAG, "w=" + w + "   h=" + h);
                
                 Bitmap full = BitmapFactory.decodeByteArray(imageData, 0, imageData.length);
                 Bitmap scaled = Bitmap.createScaledBitmap(full, w, h, true);
                 return scaled;
        }

        private static int getHeight(int w) {
                double h = w * (650.0 / 450.0);
                return (int)h;
        }
        
        //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	1002	import android.provider.Settings;
19	torben	915	import android.util.DisplayMetrics;
20	torben	632	import android.util.Log;
21	torben	854	import android.view.View;
22	torben	915	import android.view.WindowManager;
23	torben	632	import android.widget.RemoteViews;
24	torben	1353	import dk.thoerup.genericjavautils.HttpUtil;
25	torben	632
26			public class Side9WidgetProvider extends AppWidgetProvider {
27	torben	703
28	torben	771	public static final String TAG = "Side9Pigen";
29	torben	703
30	torben	635	//The data needs to be static, since BroadcastReceivers (which WidgetProviders extends) are only valid during onReceive()
31	torben	1689	private static Side9Data mUsedData;
32	torben	927	private static long mTimestamp;
33	torben	1689
34			private static String mImagePath;
35	torben	703
36	torben	788	final static long UDPATESPAN = 46060*1000;
37	torben	703
38			static {
39	torben	927	mTimestamp = 0L;
40	torben	703	}
41
42	torben	649	public Side9WidgetProvider() {
43	torben	771	Log.i(TAG, "WidgetProvider constructor called");
44	torben	649	}
45	torben	778
46			public void resetStatics() {
47			Log.i(TAG, "resetStatics");
48	torben	927	mUsedData = null;
49	torben	1689	mImagePath = null;
50	torben	778	}
51
52
53	torben	703
54	torben	778
55
56	torben	854	private void setImage(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
57	torben	703	// Perform this loop procedure for each App Widget that belongs to this provider
58	torben	681	final int N = appWidgetIds.length;
59	torben	703	for (int i=0; i<N; i++) {
60			int appWidgetId = appWidgetIds[i];
61
62			RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.side9widget);
63
64	torben	1689	if (mImagePath != null) {
65			views.setUri(R.id.side9picture, "setImageURI", Uri.parse("file:/" + mImagePath));
66	torben	703	} else {
67			views.setImageViewResource(R.id.side9picture, R.drawable.side9logo);
68			}
69	torben	854
70	torben	857	boolean showcaption = context.
71			getSharedPreferences(Side9WidgetProvider.TAG, Context.MODE_PRIVATE).
72			getBoolean(Side9Config.PREFS_SHOWCAPTION, false);
73	torben	854
74	torben	927	if (showcaption == true && mUsedData != null) {
75			views.setTextViewText(R.id.caption, " " + mUsedData.caption + " ");
76	torben	914	views.setViewVisibility(R.id.caption, View.VISIBLE);
77	torben	854	} else {
78			views.setViewVisibility(R.id.caption, View.GONE);
79			}
80	torben	703
81
82	torben	790	//Intent viewIntent = new Intent(android.content.Intent.ACTION_VIEW, Uri.parse("http://www.ekstrabladet.dk/side9/"));
83	torben	771
84	torben	790	Intent viewIntent = new Intent(context, dk.thoerup.side9.PictureOverview.class );
85
86	torben	771
87	torben	1213	PendingIntent pending = PendingIntent.getActivity(context, 0, viewIntent, 0);
88	torben	703	views.setOnClickPendingIntent(R.id.side9picture, pending);
89
90			// Tell the AppWidgetManager to perform an update on the current App Widget
91			appWidgetManager.updateAppWidget(appWidgetId, views);
92
93	torben	771	Log.i(TAG, "done " + appWidgetId);
94	torben	703	}
95	torben	681	}
96	torben	703
97	torben	632	@Override
98			public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
99			super.onUpdate(context, appWidgetManager, appWidgetIds);
100	torben	703
101	torben	771	Log.i(TAG, "onUpdate:");
102	torben	703
103
104
105	torben	636	ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
106			if (connMgr.getBackgroundDataSetting() == false)
107			{
108	torben	771	Log.i(TAG, "background data disabled");
109	torben	636	return;
110			}
111	torben	703
112	torben	924	//we need to do a full reload of all data now and then because eb.dk sometimes are a bit slow with publishing the new
113			//daily picture, and this is a (crude) way to ensure we have the latest data
114	torben	1227	boolean reloadData = false;
115	torben	927	if (System.currentTimeMillis() > (mTimestamp+UDPATESPAN) ) {
116	torben	771	Log.i(TAG, "time elapsed, force XML reload");
117	torben	1227	reloadData = true;
118	torben	703	}
119	torben	1002
120	torben	703
121	torben	1002	String androidID = Settings.Secure.getString(context.getContentResolver(), Settings.Secure.ANDROID_ID);
122
123	torben	703	try {
124	torben	1002	Side9Data newData = Side9Xml.loadXml(androidID);
125	torben	703
126	torben	1227	if (! newData.equals(mUsedData) \|\| reloadData == true) {
127	torben	703
128
129	torben	771	Log.i(TAG, "(Re)loading image:" + newData.url);
130	torben	703
131	torben	1689	getImageData(context, newData);
132	torben	703
133	torben	927	mUsedData = newData; // if we made it to here without exceptions, save the new data
134			mTimestamp = System.currentTimeMillis();
135	torben	703
136			} // endif
137
138	torben	1134	} catch (IOException ioe) {
139			Log.e("Side9Pigen", "update failed, IOException: " + ioe.getMessage() );
140	torben	703	} catch (Exception e) {
141			Log.e("Side9Pigen", "update failed", e);
142			}
143
144	torben	854	setImage(context,appWidgetManager,appWidgetIds);
145	torben	703	Log.i("Side9Pigen", "update completed");
146	torben	632	}
147	torben	771
148			Bitmap getImageData(Context context, Side9Data data) throws IOException {
149
150			SharedPreferences prefs = context.getSharedPreferences(TAG, Context.MODE_PRIVATE);
151	torben	857	boolean saveImage = prefs.getBoolean(Side9Config.PREFS_SAVEIMAGE, false);
152	torben	771
153	torben	788	final String savepath = Environment.getExternalStorageDirectory() + "/Side9";
154	torben	771
155	torben	788
156	torben	1354
157			File imageFile = new File( savepath + "/" + HttpUtil.getLastPart(data.url) );
158
159	torben	774	/* if the picture changes later on the day we do NOT want to use an old and invalid image
160			if (saveImage == true) {
161	torben	771	if (file.exists()) {
162			return BitmapFactory.decodeFile(file.getAbsolutePath());
163			}
164	torben	774	}*/
165	torben	775
166	torben	771
167			byte imageData[] = HttpUtil.getContent(data.url, 2500);
168
169			if (saveImage == true) {
170	torben	775	if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
171	torben	788	File savedir = new File(savepath);
172	torben	775	savedir.mkdirs();
173
174	torben	1222	if (imageFile.exists()) {
175			imageFile.delete();
176	torben	775	}
177
178	torben	1222	FileOutputStream fos = new FileOutputStream(imageFile);
179	torben	775	fos.write(imageData);
180			fos.close();
181	torben	925
182	torben	1222	File infoFile = new File( imageFile.toString().replace(".jpg", ".txt"));
183	torben	925	if (infoFile.exists()) {
184			infoFile.delete();
185			}
186			fos = new FileOutputStream(infoFile);
187			fos.write(data.caption.getBytes());
188			fos.close();
189	torben	1222
190			//save a thumb image
191			ImageAdapter.generateAndLoadThumb(imageFile);
192	torben	788
193			Intent rescan = new Intent(Intent.ACTION_MEDIA_MOUNTED, Uri.parse("file://" + Environment.getExternalStorageDirectory()) );
194			rescan.putExtra("read-only", false);
195			context.sendBroadcast(rescan);
196
197	torben	1689	mImagePath = imageFile.toString();
198
199	torben	776	} else {
200			Log.i(TAG, "sdcard is not mounted");
201	torben	774	}
202	torben	771	}
203
204	torben	915	DisplayMetrics metrics = new DisplayMetrics();
205			WindowManager wmgr = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
206			wmgr.getDefaultDisplay().getMetrics(metrics);
207			int w = metrics.widthPixels - (2*40);
208			int h = getHeight(w);
209
210			Log.e(TAG, "w=" + w + " h=" + h);
211
212			Bitmap full = BitmapFactory.decodeByteArray(imageData, 0, imageData.length);
213			Bitmap scaled = Bitmap.createScaledBitmap(full, w, h, true);
214			return scaled;
215	torben	771	}
216	torben	632
217	torben	915	private static int getHeight(int w) {
218			double h = w * (650.0 / 450.0);
219			return (int)h;
220			}
221
222	torben	635	//Called when the last widget is removed/disabled
223			@Override
224			public void onDisabled(Context context) {
225			super.onDisabled(context);
226	torben	771	Log.i(TAG, "onDisabled");
227	torben	778
228			resetStatics();//free memory
229			}
230	torben	703
231	torben	778	@Override
232			public void onEnabled(Context context) {
233			super.onEnabled(context);
234			Log.i(TAG, "onEnabled");
235
236			resetStatics();//free memory
237	torben	635	}
238	torben	778
239	torben	632	}