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.ComponentName;
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 = 3*60*60*1000;
        
        final static String SAVEDIR = "/sdcard/Side9/"; 


        static  {
                timestamp = 0L;
        }

        public Side9WidgetProvider() {
                Log.i(TAG, "WidgetProvider constructor called");
        }

        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);
                
                File file = new File( SAVEDIR + 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(SAVEDIR);
                                savedir.mkdirs();
                                
                                if (file.exists()) {
                                        file.delete();
                                }
                                
                                FileOutputStream fos = new FileOutputStream(file);
                                fos.write(imageData);
                                fos.close();
                        } 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");

                usedData = null; //free memory
                usedBitmap = null;
        }

}
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.ComponentName;
11	import android.content.Context;
12	import android.content.Intent;
13	import android.content.SharedPreferences;
14	import android.graphics.Bitmap;
15	import android.graphics.BitmapFactory;
16	import android.net.ConnectivityManager;
17	import android.net.Uri;
18	import android.os.Environment;
19	import android.util.Log;
20	import android.widget.RemoteViews;
21	import dk.thoerup.androidutils.HttpUtil;
22
23	public class Side9WidgetProvider extends AppWidgetProvider {
24
25	public static final String TAG = "Side9Pigen";
26
27	//The data needs to be static, since BroadcastReceivers (which WidgetProviders extends) are only valid during onReceive()
28	private static Side9Data usedData;
29	private static Bitmap usedBitmap;
30	private static long timestamp;
31
32	final static long UDPATESPAN = 36060*1000;
33
34	final static String SAVEDIR = "/sdcard/Side9/";
35
36
37	static {
38	timestamp = 0L;
39	}
40
41	public Side9WidgetProvider() {
42	Log.i(TAG, "WidgetProvider constructor called");
43	}
44
45	private void setImage(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds, Bitmap image) {
46	// Perform this loop procedure for each App Widget that belongs to this provider
47	final int N = appWidgetIds.length;
48	for (int i=0; i<N; i++) {
49	int appWidgetId = appWidgetIds[i];
50
51	RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.side9widget);
52
53	if (image != null) {
54	views.setImageViewBitmap(R.id.side9picture, image);
55	} else {
56	views.setImageViewResource(R.id.side9picture, R.drawable.side9logo);
57	}
58	//views.setTextViewText(R.id.caption, newData.caption);
59
60
61	Intent viewIntent = new Intent(android.content.Intent.ACTION_VIEW, Uri.parse("http://www.ekstrabladet.dk/side9/"));
62
63
64	//View single file
65	// Intent viewIntent = new Intent(android.content.Intent.ACTION_VIEW);
66	// viewIntent.setDataAndType(Uri.parse("file:///sdcard/Side9/20100531_400.jpg"), "image/png");
67
68	//view single file
69	//Intent viewIntent = new Intent(Intent.ACTION_VIEW);
70	//Uri u = Uri.withAppendedPath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "1" );
71	//viewIntent.setData(u);
72
73	//Intent viewIntent = new Intent();
74	//viewIntent.setClassName("com.android.camera", "com.android.camera.GalleryPicker");
75
76
77	/*Intent viewIntent = new Intent();
78	viewIntent.addCategory(Intent.CATEGORY_LAUNCHER);
79	viewIntent.setAction(Intent.ACTION_MAIN);
80	viewIntent.setComponent(new ComponentName("com.android.camera", ".GalleryPicker"));
81	viewIntent.setFlags(0x10200000);*/
82
83
84
85
86	PendingIntent pending = PendingIntent.getActivity(context, 0, viewIntent, Intent.FLAG_ACTIVITY_NEW_TASK);
87	views.setOnClickPendingIntent(R.id.side9picture, pending);
88
89	// Tell the AppWidgetManager to perform an update on the current App Widget
90	appWidgetManager.updateAppWidget(appWidgetId, views);
91
92	Log.i(TAG, "done " + appWidgetId);
93	}
94	}
95
96	@Override
97	public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
98	super.onUpdate(context, appWidgetManager, appWidgetIds);
99
100	Log.i(TAG, "onUpdate:");
101
102	if (usedBitmap == null) { //load default view
103	usedBitmap = BitmapFactory.decodeResource(context.getResources(), R.drawable.side9logo);
104	}
105
106
107
108	ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
109	if (connMgr.getBackgroundDataSetting() == false)
110	{
111	Log.i(TAG, "background data disabled");
112	return;
113	}
114
115	if (System.currentTimeMillis() > (timestamp+UDPATESPAN) ) {
116	Log.i(TAG, "time elapsed, force XML reload");
117	usedData = null;
118	}
119
120	try {
121	Side9Data newData = Side9Xml.loadXml();
122
123	if (! newData.equals(usedData)) {
124
125
126	Log.i(TAG, "(Re)loading image:" + newData.url);
127
128	Bitmap image = getImageData(context, newData);
129
130	usedData = newData; // if we made it to here without exceptions, save the new data
131	usedBitmap = image;
132	timestamp = System.currentTimeMillis();
133
134
135	} // endif
136
137	} catch (Exception e) {
138	Log.e("Side9Pigen", "update failed", e);
139	}
140
141	setImage(context,appWidgetManager,appWidgetIds, usedBitmap);
142	Log.i("Side9Pigen", "update completed");
143	}
144
145	Bitmap getImageData(Context context, Side9Data data) throws IOException {
146
147	SharedPreferences prefs = context.getSharedPreferences(TAG, Context.MODE_PRIVATE);
148	boolean saveImage = prefs.getBoolean("saveimage", false);
149
150	File file = new File( SAVEDIR + data.getFilename() );
151
152	/* if the picture changes later on the day we do NOT want to use an old and invalid image
153	if (saveImage == true) {
154	if (file.exists()) {
155	return BitmapFactory.decodeFile(file.getAbsolutePath());
156	}
157	}*/
158
159
160	byte imageData[] = HttpUtil.getContent(data.url, 2500);
161
162	if (saveImage == true) {
163	if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
164	File savedir = new File(SAVEDIR);
165	savedir.mkdirs();
166
167	if (file.exists()) {
168	file.delete();
169	}
170
171	FileOutputStream fos = new FileOutputStream(file);
172	fos.write(imageData);
173	fos.close();
174	} else {
175	Log.i(TAG, "sdcard is not mounted");
176	}
177	}
178
179	return BitmapFactory.decodeByteArray(imageData, 0, imageData.length);
180	}
181
182
183	//Called when the last widget is removed/disabled
184	@Override
185	public void onDisabled(Context context) {
186	super.onDisabled(context);
187	Log.i(TAG, "onDisabled");
188
189	usedData = null; //free memory
190	usedBitmap = null;
191	}
192
193	}