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.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);


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