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.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 (saveImage == true) {                        
                        if (file.exists()) {
                                return BitmapFactory.decodeFile(file.getAbsolutePath());
                        }
                }
                                
                byte imageData[] = HttpUtil.getContent(data.url, 2500);
                
                if (saveImage == true) {
                        File savedir = new File(SAVEDIR);
                        savedir.mkdirs();
                        
                        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	632	import android.util.Log;
18			import android.widget.RemoteViews;
19	torben	771	import dk.thoerup.androidutils.HttpUtil;
20	torben	632
21			public class Side9WidgetProvider extends AppWidgetProvider {
22	torben	703
23	torben	771	public static final String TAG = "Side9Pigen";
24	torben	703
25	torben	635	//The data needs to be static, since BroadcastReceivers (which WidgetProviders extends) are only valid during onReceive()
26			private static Side9Data usedData;
27	torben	689	private static Bitmap usedBitmap;
28	torben	703	private static long timestamp;
29
30	torben	710	final static long UDPATESPAN = 36060*1000;
31	torben	771
32			final static String SAVEDIR = "/sdcard/Side9/";
33	torben	703
34
35			static {
36			timestamp = 0L;
37			}
38
39	torben	649	public Side9WidgetProvider() {
40	torben	771	Log.i(TAG, "WidgetProvider constructor called");
41	torben	649	}
42	torben	703
43	torben	681	private void setImage(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds, Bitmap image) {
44	torben	703	// Perform this loop procedure for each App Widget that belongs to this provider
45	torben	681	final int N = appWidgetIds.length;
46	torben	703	for (int i=0; i<N; i++) {
47			int appWidgetId = appWidgetIds[i];
48
49			RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.side9widget);
50
51			if (image != null) {
52			views.setImageViewBitmap(R.id.side9picture, image);
53			} else {
54			views.setImageViewResource(R.id.side9picture, R.drawable.side9logo);
55			}
56			//views.setTextViewText(R.id.caption, newData.caption);
57
58
59	torben	771
60
61			//View single file
62			// Intent viewIntent = new Intent(android.content.Intent.ACTION_VIEW);
63			// viewIntent.setDataAndType(Uri.parse("file:///sdcard/Side9/20100531_400.jpg"), "image/png");
64
65			//view single file
66			//Intent viewIntent = new Intent(Intent.ACTION_VIEW);
67			//Uri u = Uri.withAppendedPath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "1" );
68			//viewIntent.setData(u);
69
70			//Intent viewIntent = new Intent();
71			//viewIntent.setClassName("com.android.camera", "com.android.camera.GalleryPicker");
72
73
74			Intent viewIntent = new Intent();
75			viewIntent.addCategory(Intent.CATEGORY_LAUNCHER);
76			viewIntent.setAction(Intent.ACTION_MAIN);
77			viewIntent.setComponent(new ComponentName("com.android.camera", ".GalleryPicker"));
78			viewIntent.setFlags(0x10200000);
79
80
81
82
83	torben	703	PendingIntent pending = PendingIntent.getActivity(context, 0, viewIntent, Intent.FLAG_ACTIVITY_NEW_TASK);
84			views.setOnClickPendingIntent(R.id.side9picture, pending);
85
86			// Tell the AppWidgetManager to perform an update on the current App Widget
87			appWidgetManager.updateAppWidget(appWidgetId, views);
88
89	torben	771	Log.i(TAG, "done " + appWidgetId);
90	torben	703	}
91	torben	681	}
92	torben	703
93	torben	632	@Override
94			public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
95			super.onUpdate(context, appWidgetManager, appWidgetIds);
96	torben	703
97	torben	771	Log.i(TAG, "onUpdate:");
98	torben	703
99	torben	689	if (usedBitmap == null) { //load default view
100			usedBitmap = BitmapFactory.decodeResource(context.getResources(), R.drawable.side9logo);
101			}
102	torben	703
103
104
105	torben	636	ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
106			if (connMgr.getBackgroundDataSetting() == false)
107			{
108	torben	771	Log.i(TAG, "background data disabled");
109	torben	636	return;
110			}
111	torben	703
112			if (System.currentTimeMillis() > (timestamp+UDPATESPAN) ) {
113	torben	771	Log.i(TAG, "time elapsed, force XML reload");
114	torben	703	usedData = null;
115			}
116
117			try {
118			Side9Data newData = Side9Xml.loadXml();
119
120			if (! newData.equals(usedData)) {
121
122
123	torben	771	Log.i(TAG, "(Re)loading image:" + newData.url);
124	torben	703
125	torben	771	Bitmap image = getImageData(context, newData);
126	torben	703
127			usedData = newData; // if we made it to here without exceptions, save the new data
128			usedBitmap = image;
129			timestamp = System.currentTimeMillis();
130	torben	771
131	torben	703
132			} // endif
133
134			} catch (Exception e) {
135			Log.e("Side9Pigen", "update failed", e);
136			}
137
138			setImage(context,appWidgetManager,appWidgetIds, usedBitmap);
139			Log.i("Side9Pigen", "update completed");
140	torben	632	}
141	torben	771
142			Bitmap getImageData(Context context, Side9Data data) throws IOException {
143
144			SharedPreferences prefs = context.getSharedPreferences(TAG, Context.MODE_PRIVATE);
145			boolean saveImage = prefs.getBoolean("saveimage", false);
146
147			File file = new File( SAVEDIR + data.getFilename() );
148
149			if (saveImage == true) {
150			if (file.exists()) {
151			return BitmapFactory.decodeFile(file.getAbsolutePath());
152			}
153			}
154
155			byte imageData[] = HttpUtil.getContent(data.url, 2500);
156
157			if (saveImage == true) {
158			File savedir = new File(SAVEDIR);
159			savedir.mkdirs();
160
161			FileOutputStream fos = new FileOutputStream(file);
162			fos.write(imageData);
163			fos.close();
164			}
165
166			return BitmapFactory.decodeByteArray(imageData, 0, imageData.length);
167			}
168	torben	632
169	torben	703
170	torben	635	//Called when the last widget is removed/disabled
171			@Override
172			public void onDisabled(Context context) {
173			super.onDisabled(context);
174	torben	771	Log.i(TAG, "onDisabled");
175	torben	703
176	torben	635	usedData = null; //free memory
177	torben	689	usedBitmap = null;
178	torben	635	}
179
180	torben	632	}