Proper downloading of games and starting works when downloaded using the LÖVE app

AndroidManifest.xml

@@ -12,8 +12,8 @@
         android:allowBackup="true"
         android:icon="@drawable/ic_launcher"
         android:label="LÖVE for Android"
-				android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >
-				<service android:name=".DownloadService" />
+        android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >
+        <service android:name=".DownloadService" />
         <activity
             android:name="GameActivity"
             android:configChanges="orientation|screenSize"
@@ -39,18 +39,23 @@
             <intent-filter>
                 <action android:name="android.intent.action.VIEW" />
                 <category android:name="android.intent.category.DEFAULT" />
-                <category android:name="android.intent.category.BROWSABLE" />
-                <data android:scheme="http" />
-                <data android:host="*" />
+                <data android:scheme="file" />
+                <data android:mimeType="*/*" />
                 <data android:pathPattern=".*\\.love" />
+                <data android:host="*" />
             </intent-filter>
+        </activity>
+        <activity
+          android:name="DownloadActivity" 
+          android:noHistory="true" >
             <intent-filter>
                 <action android:name="android.intent.action.VIEW" />
                 <category android:name="android.intent.category.DEFAULT" />
-                <data android:scheme="file" />
-                <data android:mimeType="*/*" />
-                <data android:pathPattern=".*\\.love" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data android:scheme="http" />
+                <data android:scheme="https" />
                 <data android:host="*" />
+                <data android:pathPattern=".*\\.love" />
             </intent-filter>
         </activity>
     </application>

src/org/love2d/android/DownloadActivity.java

@@ -0,0 +1,24 @@
+package org.love2d.android;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+
+public class DownloadActivity extends Activity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+     	super.onCreate(savedInstanceState);
+
+    	Uri uri = this.getIntent().getData();
+
+     	if (uri.getScheme().equals("http")) {
+          String url = uri.toString();
+      	  Intent intent = new Intent(this, DownloadService.class);
+      	  intent.putExtra("url", url);
+      	  startService(intent);
+     	};
+
+     	finish();
+    }
+ }

src/org/love2d/android/DownloadService.java

@@ -1,61 +1,89 @@
 package org.love2d.android;
 
-import java.io.BufferedInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.net.URL;
-import java.net.URLConnection;
+import java.util.List;
 
+import android.app.DownloadManager;
 import android.app.IntentService;
+import android.content.BroadcastReceiver;
+import android.content.Context;
 import android.content.Intent;
-import android.os.Bundle;
-import android.os.ResultReceiver;
+import android.content.IntentFilter;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.net.Uri;
+import android.os.Build;
+import android.os.Environment;
 import android.util.Log;
 
 public class DownloadService extends IntentService {
-    public static final int UPDATE_PROGRESS = 8344;
     public DownloadService() {
         super("DownloadService");
     }
+
+    @Override
+    public void onDestroy() {
+    	Log.d("DownloadService", "ending");
+    	unregisterReceiver(downloadReceiver);
+    }
+    
     @Override
     protected void onHandleIntent(Intent intent) {
-        Log.d ("GameActivity", "service started");
-        String urlToDownload = intent.getStringExtra("url");
-        ResultReceiver receiver = (ResultReceiver) intent.getParcelableExtra("receiver");
+        Log.d ("DownloadService", "service started");
+        
+        String url = intent.getStringExtra("url");
+        Uri uri = Uri.parse(url);
+
+        Log.d("DownloadActivity", "Downloading from url: " + url + "file = " + uri.getLastPathSegment());
+
+        DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
+        request.setDescription("LÖVE Game Download");
+        request.setTitle(uri.getLastPathSegment());
+        request.setMimeType ("application/x-love-game");
+        
+       	// in order for this if to run, you must use the android 3.2 to compile your app
+        	if (Build.VERSION.SDK_INT >= 11) {
+        	    request.allowScanningByMediaScanner();
+        	    request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
+        	}
+        	request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, uri.getLastPathSegment());
+        // get download service and enqueue file
+
+        Log.d("DownloadActivity", "creating manager");
+        DownloadManager manager = (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
+        Log.d("DownloadActivity", "enqueuing download");
+       	manager.enqueue(request);
+
+     	Log.d("DownloadActivity", "download receiver = " + downloadReceiver);
+     	IntentFilter intentFilter = new IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE);
+     	registerReceiver(downloadReceiver, intentFilter);
+    }
+    
+    /**
+     * @param context used to check the device version and DownloadManager information
+     * @return true if the download manager is available
+     */
+    public static boolean isDownloadManagerAvailable(Context context) {
         try {
-            URL url = new URL(urlToDownload);
-            URLConnection connection = url.openConnection();
-            connection.connect();
-            // this will be useful so that you can show a typical 0-100% progress bar
-            int fileLength = connection.getContentLength();
-
-            // download the file
-            InputStream input = new BufferedInputStream(url.openStream());
-            OutputStream output = new FileOutputStream("/sdcard/lovegame/download.love");
-
-            byte data[] = new byte[1024];
-            long total = 0;
-            int count;
-            while ((count = input.read(data)) != -1) {
-                total += count;
-                // publishing the progress....
-                Bundle resultData = new Bundle();
-                resultData.putInt("progress" ,(int) (total * 100 / fileLength));
-                receiver.send(UPDATE_PROGRESS, resultData);
-                output.write(data, 0, count);
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.GINGERBREAD) {
+                return false;
             }
-
-            output.flush();
-            output.close();
-            input.close();
-        } catch (IOException e) {
-            e.printStackTrace();
+            Intent intent = new Intent(Intent.ACTION_MAIN);
+            intent.addCategory(Intent.CATEGORY_LAUNCHER);
+            intent.setClassName("com.android.providers.downloads.ui", "com.android.providers.downloads.ui.DownloadList");
+            List<ResolveInfo> list = context.getPackageManager().queryIntentActivities(intent,
+                    PackageManager.MATCH_DEFAULT_ONLY);
+            return list.size() > 0;
+        } catch (Exception e) {
+        	return false;
         }
-
-        Bundle resultData = new Bundle();
-        resultData.putInt("progress" ,100);
-        receiver.send(UPDATE_PROGRESS, resultData);
     }
+    
+    private BroadcastReceiver downloadReceiver = new BroadcastReceiver() {
+
+    	@Override
+    	public void onReceive(Context context, Intent intent) {
+    		Log.d("DownloadActivity", "downloadReceiver intent called");
+    	
+    	}
+    };     
 }

src/org/love2d/android/GameActivity.java

@@ -6,27 +6,36 @@ import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
 
 import android.app.DownloadManager;
 import android.app.ProgressDialog;
+import android.content.Context;
+import android.content.DialogInterface;
 import android.content.Intent;
 import android.net.Uri;
+import android.os.AsyncTask;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Environment;
 import android.os.Handler;
+import android.os.PowerManager;
 import android.os.ResultReceiver;
 import android.util.Log;
 import android.util.DisplayMetrics;
+import android.widget.Toast;
 
 public class GameActivity extends SDLActivity {
     private static DisplayMetrics metrics = new DisplayMetrics();
     private static String gamePath = "";
-	// declare the dialog as a member field of your activity
-	private static ProgressDialog mProgressDialog;
-
+	
     @Override
     protected void onCreate(Bundle savedInstanceState) {
+    	Log.d("GameActivity", "started");
+    	
         Uri game = this.getIntent().getData();
         if (game != null) {
           if (game.getScheme().equals ("file")) {
@@ -36,7 +45,7 @@ public class GameActivity extends SDLActivity {
           }
           Log.d("GameActivity", "Selected the file: " + getGamePath());
         }
-
+        
         super.onCreate(savedInstanceState);
         getWindowManager().getDefaultDisplay().getMetrics(metrics);
     }
@@ -72,25 +81,6 @@ public class GameActivity extends SDLActivity {
         } catch (IOException e) {
           Log.d ("GameActivity", "Could not open game file:" + e.getMessage());
         }
-      } else if (sourceuri.getScheme().equals("http")) {
-    	  String url = sourceuri.getScheme() + "://" + sourceuri.getHost() + sourceuri.getPath();
-    	  Log.d("GameActivity", "url = " + url);
-    	  
-    	  // instantiate it within the onCreate method
-    	  mProgressDialog = new ProgressDialog(GameActivity.this);
-    	  mProgressDialog.setMessage("Downloading Game");
-    	  mProgressDialog.setIndeterminate(true);
-    	  mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
-    	  mProgressDialog.setCancelable(true);
-    	  mProgressDialog.setProgress (0);
-    	  mProgressDialog.setMax (100);
-    	  
-    	  // this is how you fire the downloader
-    	  mProgressDialog.show();
-    	  Intent intent = new Intent(this, DownloadService.class);
-    	  intent.putExtra("url", url);
-    	  intent.putExtra("receiver", new DownloadReceiver(new Handler()));
-    	  startService(intent);
       } else {
         Log.d ("GameActivity", "Unsupported scheme: " + sourceuri.getScheme());
       }
@@ -120,24 +110,4 @@ public class GameActivity extends SDLActivity {
 
       Log.d("GameActivity", "Copied " + bytes_written + " bytes");
     }
-
-    private class DownloadReceiver extends ResultReceiver{
-        public DownloadReceiver(Handler handler) {
-            super(handler);
-        }
-
-        @Override
-        protected void onReceiveResult(int resultCode, Bundle resultData) {
-        	super.onReceiveResult(resultCode, resultData);
-
-            if (resultCode == DownloadService.UPDATE_PROGRESS) {
-          	    mProgressDialog.setIndeterminate(false);
-                int progress = resultData.getInt("progress");
-                mProgressDialog.setProgress(progress);
-                if (progress == 100) {
-                    mProgressDialog.dismiss();
-                }
-            }
-        }
-    }
 }