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