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


        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);
                
                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");
                
                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	710	final static long UDPATESPAN = 36060*1000;
32	torben	771
33			final static String SAVEDIR = "/sdcard/Side9/";
34	torben	703
35
36			static {
37			timestamp = 0L;
38			}
39
40	torben	649	public Side9WidgetProvider() {
41	torben	771	Log.i(TAG, "WidgetProvider constructor called");
42	torben	649	}
43	torben	778
44			public void resetStatics() {
45			Log.i(TAG, "resetStatics");
46			usedData = null;
47			usedBitmap = null;
48			}
49
50
51	torben	703
52	torben	778
53
54	torben	681	private void setImage(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds, Bitmap image) {
55	torben	703	// Perform this loop procedure for each App Widget that belongs to this provider
56	torben	681	final int N = appWidgetIds.length;
57	torben	703	for (int i=0; i<N; i++) {
58			int appWidgetId = appWidgetIds[i];
59
60			RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.side9widget);
61
62			if (image != null) {
63			views.setImageViewBitmap(R.id.side9picture, image);
64			} else {
65			views.setImageViewResource(R.id.side9picture, R.drawable.side9logo);
66			}
67			//views.setTextViewText(R.id.caption, newData.caption);
68
69
70	torben	776	Intent viewIntent = new Intent(android.content.Intent.ACTION_VIEW, Uri.parse("http://www.ekstrabladet.dk/side9/"));
71	torben	771
72
73			//View single file
74			// Intent viewIntent = new Intent(android.content.Intent.ACTION_VIEW);
75			// viewIntent.setDataAndType(Uri.parse("file:///sdcard/Side9/20100531_400.jpg"), "image/png");
76
77			//view single file
78			//Intent viewIntent = new Intent(Intent.ACTION_VIEW);
79			//Uri u = Uri.withAppendedPath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "1" );
80			//viewIntent.setData(u);
81
82			//Intent viewIntent = new Intent();
83			//viewIntent.setClassName("com.android.camera", "com.android.camera.GalleryPicker");
84
85
86	torben	776	/*Intent viewIntent = new Intent();
87	torben	771	viewIntent.addCategory(Intent.CATEGORY_LAUNCHER);
88			viewIntent.setAction(Intent.ACTION_MAIN);
89			viewIntent.setComponent(new ComponentName("com.android.camera", ".GalleryPicker"));
90	torben	776	viewIntent.setFlags(0x10200000);*/
91	torben	771
92
93
94
95	torben	703	PendingIntent pending = PendingIntent.getActivity(context, 0, viewIntent, Intent.FLAG_ACTIVITY_NEW_TASK);
96			views.setOnClickPendingIntent(R.id.side9picture, pending);
97
98			// Tell the AppWidgetManager to perform an update on the current App Widget
99			appWidgetManager.updateAppWidget(appWidgetId, views);
100
101	torben	771	Log.i(TAG, "done " + appWidgetId);
102	torben	703	}
103	torben	681	}
104	torben	703
105	torben	632	@Override
106			public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
107			super.onUpdate(context, appWidgetManager, appWidgetIds);
108	torben	703
109	torben	771	Log.i(TAG, "onUpdate:");
110	torben	703
111	torben	689	if (usedBitmap == null) { //load default view
112			usedBitmap = BitmapFactory.decodeResource(context.getResources(), R.drawable.side9logo);
113			}
114	torben	703
115
116
117	torben	636	ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
118			if (connMgr.getBackgroundDataSetting() == false)
119			{
120	torben	771	Log.i(TAG, "background data disabled");
121	torben	636	return;
122			}
123	torben	703
124			if (System.currentTimeMillis() > (timestamp+UDPATESPAN) ) {
125	torben	771	Log.i(TAG, "time elapsed, force XML reload");
126	torben	703	usedData = null;
127			}
128
129			try {
130			Side9Data newData = Side9Xml.loadXml();
131
132			if (! newData.equals(usedData)) {
133
134
135	torben	771	Log.i(TAG, "(Re)loading image:" + newData.url);
136	torben	703
137	torben	771	Bitmap image = getImageData(context, newData);
138	torben	703
139			usedData = newData; // if we made it to here without exceptions, save the new data
140			usedBitmap = image;
141			timestamp = System.currentTimeMillis();
142	torben	771
143	torben	703
144			} // endif
145
146			} catch (Exception e) {
147			Log.e("Side9Pigen", "update failed", e);
148			}
149
150			setImage(context,appWidgetManager,appWidgetIds, usedBitmap);
151			Log.i("Side9Pigen", "update completed");
152	torben	632	}
153	torben	771
154			Bitmap getImageData(Context context, Side9Data data) throws IOException {
155
156			SharedPreferences prefs = context.getSharedPreferences(TAG, Context.MODE_PRIVATE);
157			boolean saveImage = prefs.getBoolean("saveimage", false);
158
159			File file = new File( SAVEDIR + data.getFilename() );
160
161	torben	774	/* if the picture changes later on the day we do NOT want to use an old and invalid image
162			if (saveImage == true) {
163	torben	771	if (file.exists()) {
164			return BitmapFactory.decodeFile(file.getAbsolutePath());
165			}
166	torben	774	}*/
167	torben	775
168	torben	771
169			byte imageData[] = HttpUtil.getContent(data.url, 2500);
170
171			if (saveImage == true) {
172	torben	775	if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
173			File savedir = new File(SAVEDIR);
174			savedir.mkdirs();
175
176			if (file.exists()) {
177			file.delete();
178			}
179
180			FileOutputStream fos = new FileOutputStream(file);
181			fos.write(imageData);
182			fos.close();
183	torben	776	} else {
184			Log.i(TAG, "sdcard is not mounted");
185	torben	774	}
186	torben	771	}
187
188			return BitmapFactory.decodeByteArray(imageData, 0, imageData.length);
189			}
190	torben	632
191	torben	703
192	torben	635	//Called when the last widget is removed/disabled
193			@Override
194			public void onDisabled(Context context) {
195			super.onDisabled(context);
196	torben	771	Log.i(TAG, "onDisabled");
197	torben	778
198			resetStatics();//free memory
199			}
200	torben	703
201	torben	778	@Override
202			public void onEnabled(Context context) {
203			super.onEnabled(context);
204			Log.i(TAG, "onEnabled");
205
206			resetStatics();//free memory
207	torben	635	}
208	torben	778
209	torben	632	}