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");
        }
        
        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	torben	771	import android.content.ComponentName;
11	torben	632	import android.content.Context;
12	torben	635	import android.content.Intent;
13	torben	771	import android.content.SharedPreferences;
14	torben	632	import android.graphics.Bitmap;
15			import android.graphics.BitmapFactory;
16	torben	636	import android.net.ConnectivityManager;
17	torben	776	import android.net.Uri;
18	torben	775	import android.os.Environment;
19	torben	632	import android.util.Log;
20			import android.widget.RemoteViews;
21	torben	771	import dk.thoerup.androidutils.HttpUtil;
22	torben	632
23			public class Side9WidgetProvider extends AppWidgetProvider {
24	torben	703
25	torben	771	public static final String TAG = "Side9Pigen";
26	torben	703
27	torben	635	//The data needs to be static, since BroadcastReceivers (which WidgetProviders extends) are only valid during onReceive()
28			private static Side9Data usedData;
29	torben	689	private static Bitmap usedBitmap;
30	torben	703	private static long timestamp;
31
32	torben	710	final static long UDPATESPAN = 36060*1000;
33	torben	771
34			final static String SAVEDIR = "/sdcard/Side9/";
35	torben	703
36
37			static {
38			timestamp = 0L;
39			}
40
41	torben	649	public Side9WidgetProvider() {
42	torben	771	Log.i(TAG, "WidgetProvider constructor called");
43	torben	649	}
44	torben	778
45			public void resetStatics() {
46			Log.i(TAG, "resetStatics");
47			usedData = null;
48			usedBitmap = null;
49			}
50
51
52	torben	703
53	torben	778
54
55	torben	681	private void setImage(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds, Bitmap image) {
56	torben	703	// Perform this loop procedure for each App Widget that belongs to this provider
57	torben	681	final int N = appWidgetIds.length;
58	torben	703	for (int i=0; i<N; i++) {
59			int appWidgetId = appWidgetIds[i];
60
61			RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.side9widget);
62
63			if (image != null) {
64			views.setImageViewBitmap(R.id.side9picture, image);
65			} else {
66			views.setImageViewResource(R.id.side9picture, R.drawable.side9logo);
67			}
68			//views.setTextViewText(R.id.caption, newData.caption);
69
70
71	torben	776	Intent viewIntent = new Intent(android.content.Intent.ACTION_VIEW, Uri.parse("http://www.ekstrabladet.dk/side9/"));
72	torben	771
73
74			//View single file
75			// Intent viewIntent = new Intent(android.content.Intent.ACTION_VIEW);
76			// viewIntent.setDataAndType(Uri.parse("file:///sdcard/Side9/20100531_400.jpg"), "image/png");
77
78			//view single file
79			//Intent viewIntent = new Intent(Intent.ACTION_VIEW);
80			//Uri u = Uri.withAppendedPath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "1" );
81			//viewIntent.setData(u);
82
83			//Intent viewIntent = new Intent();
84			//viewIntent.setClassName("com.android.camera", "com.android.camera.GalleryPicker");
85
86
87	torben	776	/*Intent viewIntent = new Intent();
88	torben	771	viewIntent.addCategory(Intent.CATEGORY_LAUNCHER);
89			viewIntent.setAction(Intent.ACTION_MAIN);
90			viewIntent.setComponent(new ComponentName("com.android.camera", ".GalleryPicker"));
91	torben	776	viewIntent.setFlags(0x10200000);*/
92	torben	771
93
94
95
96	torben	703	PendingIntent pending = PendingIntent.getActivity(context, 0, viewIntent, Intent.FLAG_ACTIVITY_NEW_TASK);
97			views.setOnClickPendingIntent(R.id.side9picture, pending);
98
99			// Tell the AppWidgetManager to perform an update on the current App Widget
100			appWidgetManager.updateAppWidget(appWidgetId, views);
101
102	torben	771	Log.i(TAG, "done " + appWidgetId);
103	torben	703	}
104	torben	681	}
105	torben	703
106	torben	632	@Override
107			public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
108			super.onUpdate(context, appWidgetManager, appWidgetIds);
109	torben	703
110	torben	771	Log.i(TAG, "onUpdate:");
111	torben	703
112	torben	689	if (usedBitmap == null) { //load default view
113			usedBitmap = BitmapFactory.decodeResource(context.getResources(), R.drawable.side9logo);
114			}
115	torben	703
116
117
118	torben	636	ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
119			if (connMgr.getBackgroundDataSetting() == false)
120			{
121	torben	771	Log.i(TAG, "background data disabled");
122	torben	636	return;
123			}
124	torben	703
125			if (System.currentTimeMillis() > (timestamp+UDPATESPAN) ) {
126	torben	771	Log.i(TAG, "time elapsed, force XML reload");
127	torben	703	usedData = null;
128			}
129
130			try {
131			Side9Data newData = Side9Xml.loadXml();
132
133			if (! newData.equals(usedData)) {
134
135
136	torben	771	Log.i(TAG, "(Re)loading image:" + newData.url);
137	torben	703
138	torben	771	Bitmap image = getImageData(context, newData);
139	torben	703
140			usedData = newData; // if we made it to here without exceptions, save the new data
141			usedBitmap = image;
142			timestamp = System.currentTimeMillis();
143	torben	771
144	torben	703
145			} // endif
146
147			} catch (Exception e) {
148			Log.e("Side9Pigen", "update failed", e);
149			}
150
151			setImage(context,appWidgetManager,appWidgetIds, usedBitmap);
152			Log.i("Side9Pigen", "update completed");
153	torben	632	}
154	torben	771
155			Bitmap getImageData(Context context, Side9Data data) throws IOException {
156
157			SharedPreferences prefs = context.getSharedPreferences(TAG, Context.MODE_PRIVATE);
158			boolean saveImage = prefs.getBoolean("saveimage", false);
159
160			File file = new File( SAVEDIR + data.getFilename() );
161
162	torben	774	/* if the picture changes later on the day we do NOT want to use an old and invalid image
163			if (saveImage == true) {
164	torben	771	if (file.exists()) {
165			return BitmapFactory.decodeFile(file.getAbsolutePath());
166			}
167	torben	774	}*/
168	torben	775
169	torben	771
170			byte imageData[] = HttpUtil.getContent(data.url, 2500);
171
172			if (saveImage == true) {
173	torben	775	if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
174			File savedir = new File(SAVEDIR);
175			savedir.mkdirs();
176
177			if (file.exists()) {
178			file.delete();
179			}
180
181			FileOutputStream fos = new FileOutputStream(file);
182			fos.write(imageData);
183			fos.close();
184	torben	776	} else {
185			Log.i(TAG, "sdcard is not mounted");
186	torben	774	}
187	torben	771	}
188
189			return BitmapFactory.decodeByteArray(imageData, 0, imageData.length);
190			}
191	torben	632
192	torben	703
193	torben	635	//Called when the last widget is removed/disabled
194			@Override
195			public void onDisabled(Context context) {
196			super.onDisabled(context);
197	torben	771	Log.i(TAG, "onDisabled");
198	torben	778
199			resetStatics();//free memory
200			}
201	torben	703
202	torben	778	@Override
203			public void onEnabled(Context context) {
204			super.onEnabled(context);
205			Log.i(TAG, "onEnabled");
206
207			resetStatics();//free memory
208	torben	635	}
209	torben	778
210	torben	632	}