Fix some crashes and caching issues

app/src/main/java/com/limelight/AppView.java

@@ -92,9 +92,6 @@ public class AppView extends Activity implements AdapterFragmentCallbacks {
                     // Get the computer object
                     computer = managerBinder.getComputer(UUID.fromString(uuidString));
 
-                    // Start updates
-                    startComputerUpdates();
-
                     try {
                         appGridAdapter = new AppGridAdapter(AppView.this,
                                 PreferenceConfiguration.readPreferences(AppView.this).listMode,
@@ -106,6 +103,9 @@ public class AppView extends Activity implements AdapterFragmentCallbacks {
                         return;
                     }
 
+                    // Start updates
+                    startComputerUpdates();
+
                     // Load the app grid with cached data (if possible)
                     populateAppGridWithCache();
 
@@ -226,6 +226,10 @@ public class AppView extends Activity implements AdapterFragmentCallbacks {
             updateUiWithAppList(applist);
             LimeLog.info("Loaded applist from cache");
         } catch (Exception e) {
+            if (lastRawApplist != null) {
+                LimeLog.warning("Saved applist corrupted: "+lastRawApplist);
+                e.printStackTrace();
+            }
             LimeLog.info("Loading applist from the network");
             // We'll need to load from the network
             loadAppsBlocking();

app/src/main/java/com/limelight/computers/ComputerManagerService.java

@@ -3,8 +3,10 @@ package com.limelight.computers;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.StringReader;
 import java.net.InetAddress;
 import java.util.LinkedList;
+import java.util.List;
 import java.util.UUID;
 import java.util.concurrent.atomic.AtomicInteger;
 
@@ -12,6 +14,7 @@ import com.limelight.LimeLog;
 import com.limelight.binding.PlatformBinding;
 import com.limelight.discovery.DiscoveryService;
 import com.limelight.nvstream.http.ComputerDetails;
+import com.limelight.nvstream.http.NvApp;
 import com.limelight.nvstream.http.NvHTTP;
 import com.limelight.nvstream.mdns.MdnsComputer;
 import com.limelight.nvstream.mdns.MdnsDiscoveryListener;
@@ -24,6 +27,8 @@ import android.content.ServiceConnection;
 import android.os.Binder;
 import android.os.IBinder;
 
+import org.xmlpull.v1.XmlPullParserException;
+
 public class ComputerManagerService extends Service {
 	private static final int POLLING_PERIOD_MS = 3000;
 	private static final int MDNS_QUERY_PERIOD_MS = 1000;
@@ -544,7 +549,8 @@ public class ComputerManagerService extends Service {
                         try {
                             // Query the app list from the server
                             String appList = http.getAppListRaw();
-                            if (appList != null && !appList.isEmpty()) {
+                            List<NvApp> list = NvHTTP.getAppListByReader(new StringReader(appList));
+                            if (appList != null && !appList.isEmpty() && !list.isEmpty()) {
                                 // Open the cache file
                                 FileOutputStream cacheOut = CacheHelper.openCacheFileForOutput(getCacheDir(), "applist", computer.uuid.toString());
                                 CacheHelper.writeStringToOutputStream(cacheOut, appList);
@@ -564,6 +570,8 @@ public class ComputerManagerService extends Service {
                             }
                         } catch (IOException e) {
                             e.printStackTrace();
+                        } catch (XmlPullParserException e) {
+                            e.printStackTrace();
                         }
                     } while (waitPollingDelay());
                 }