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POStarting my android app when GPS is enabled force closes
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Can anyone offer an insight into my problem please? My app works when GPS is disabled, but FC's when starting while GPS is enabled. On a cold start it offers the option to turn on the GPS. After doing that, pressing the back arrow button it returns to the app activity (although the GPS icon is not visible in the status bar, on a side note, how do I get it to display here?). I exit the application by pressing the back button or using the menu option whilst GPS is still on. Now, when I try to start the app, it FC's. The blinking GPS icon appears behind the FC message and disappears when I acknowledge the FC. Here is the code: <pre><code>@Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); getLocation(); setupWebView(); this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT); } private void setupWebView() { final String centerURL = "javascript&#058;centerAt(" + mostRecentLocation.getLatitude() + "," + mostRecentLocation.getLongitude() + ")"; webView = (WebView) findViewById(R.id.webview); // Get rid of white line on the right webView.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY); webView.getSettings().setJavaScriptEnabled(true); // Wait for the page to load then send the location information webView.setWebViewClient(new WebViewClient() { @Override public void onPageFinished(WebView view, String url) { webView.loadUrl(centerURL); } }); webView.loadUrl(MAP_URL); } /** * The Location Manager manages location providers. This code searches for * the best provider of data (GPS, WiFi/cell phone tower lookup, some other * mechanism) and finds the last known location. **/ private void getLocation() { locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE); if (!locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) { createGpsDisabledAlert(); } Criteria criteria = new Criteria(); criteria.setAccuracy(Criteria.ACCURACY_FINE); provider = locationManager.getBestProvider(criteria, true); // In order to make sure the device is getting location, request // updates. Look to tweaking the arguments to this for a smooth ride locationManager.requestLocationUpdates(provider, 1, 0, this); mostRecentLocation = locationManager.getLastKnownLocation(provider); } private void createGpsDisabledAlert() { AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setMessage("Your GPS is disabled! Would you like to enable it?") .setCancelable(false) .setPositiveButton("Enable GPS", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { showGpsOptions(); } }); builder.setNegativeButton("Use Wifi or 3g for location", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { dialog.cancel(); } }); AlertDialog alert = builder.create(); alert.show(); } private void showGpsOptions() { Intent gpsOptionsIntent = new Intent( android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS); startActivity(gpsOptionsIntent); } // Menu setup @Override public boolean onCreateOptionsMenu(Menu menu) { menu.add(0, 0, 0, R.string.close).setIcon( android.R.drawable.ic_menu_close_clear_cancel); return super.onCreateOptionsMenu(menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case 0: super.onStop(); super.onDestroy(); this.finish(); return true; default: return super.onOptionsItemSelected(item); } } @Override protected void onResume() { locationManager.requestLocationUpdates(provider, 1, 0, this); super.onResume(); } @Override protected void onPause() { locationManager.removeUpdates(this); super.onPause(); } /** Sets the mostRecentLocation object to the current location of the device **/ public void onLocationChanged(Location location) { mostRecentLocation = location; final String centerURL = "javascript&#058;centerAt(" + mostRecentLocation.getLatitude() + "," + mostRecentLocation.getLongitude() + ")"; // This line is good to update the map with the current location webView.loadUrl(centerURL); } </code></pre> and this is the logcat from eclipse: <pre><code>11-04 11:45:10.774: INFO/ActivityManager(52): Starting activity: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10000000 cmp=com.weuni.android.mups/.ViewCampusActivity } 11-04 11:45:10.925: INFO/ActivityManager(52): Start proc com.weuni.android.mups for activity com.weuni.android.mups/.ViewCampusActivity: pid=225 uid=10030 gids={3003, 1015} 11-04 11:45:10.934: DEBUG/AndroidRuntime(197): Shutting down VM 11-04 11:45:10.944: DEBUG/dalvikvm(197): DestroyJavaVM waiting for non-daemon threads to exit 11-04 11:45:10.954: DEBUG/dalvikvm(197): DestroyJavaVM shutting VM down 11-04 11:45:10.954: DEBUG/dalvikvm(197): HeapWorker thread shutting down 11-04 11:45:10.954: DEBUG/dalvikvm(197): HeapWorker thread has shut down 11-04 11:45:10.954: DEBUG/jdwp(197): JDWP shutting down net... 11-04 11:45:10.964: INFO/jdwp(197): adbd disconnected 11-04 11:45:10.974: DEBUG/dalvikvm(197): VM cleaning up 11-04 11:45:11.055: ERROR/AndroidRuntime(197): ERROR: thread attach failed 11-04 11:45:11.185: DEBUG/dalvikvm(197): LinearAlloc 0x0 used 636388 of 5242880 (12%) 11-04 11:45:11.485: DEBUG/ddm-heap(209): Got feature list request 11-04 11:45:11.555: DEBUG/NetworkLocationService(52): onCreate 11-04 11:45:11.555: DEBUG/ddm-heap(225): Got feature list request 11-04 11:45:11.595: DEBUG/LocationManager(52): Constructor: service = com.android.server.LocationManagerService@43ceb720 11-04 11:45:11.625: ERROR/ActivityThread(52): Failed to find provider info for com.google.settings 11-04 11:45:11.625: ERROR/ActivityThread(52): Failed to find provider info for com.google.settings 11-04 11:45:11.934: INFO/ARMAssembler(52): generated scanline__00000177:03515104_00000001_00000000 [ 73 ipp] (95 ins) at [0x45ef00:0x45f07c] in 1428001 ns 11-04 11:45:12.004: INFO/ARMAssembler(52): generated scanline__00000077:03545404_00000004_00000000 [ 47 ipp] (67 ins) at [0x33bf28:0x33c034] in 772000 ns 11-04 11:45:12.185: WARN/WindowManager(52): No window to dispatch pointer action 0 11-04 11:45:12.195: WARN/WindowManager(52): No window to dispatch pointer action 1 11-04 11:45:12.724: DEBUG/LocationManager(225): Constructor: service = android.location.ILocationManager$Stub$Proxy@43d14648 11-04 11:45:12.794: DEBUG/GpsLocationProvider(52): setMinTime 1 11-04 11:45:12.794: DEBUG/GpsLocationProvider(52): startNavigating 11-04 11:45:12.834: DEBUG/AndroidRuntime(225): Shutting down VM 11-04 11:45:12.834: WARN/dalvikvm(225): threadid=3: thread exiting with uncaught exception (group=0x4001b188) 11-04 11:45:12.834: ERROR/AndroidRuntime(225): Uncaught handler: thread main exiting due to uncaught exception 11-04 11:45:12.894: ERROR/AndroidRuntime(225): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.weuni.android.mups/com.weuni.android.mups.ViewCampusActivity}: java.lang.NullPointerException 11-04 11:45:12.894: ERROR/AndroidRuntime(225): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2496) 11-04 11:45:12.894: ERROR/AndroidRuntime(225): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2512) 11-04 11:45:12.894: ERROR/AndroidRuntime(225): at android.app.ActivityThread.access$2200(ActivityThread.java:119) 11-04 11:45:12.894: ERROR/AndroidRuntime(225): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1863) 11-04 11:45:12.894: ERROR/AndroidRuntime(225): at android.os.Handler.dispatchMessage(Handler.java:99) 11-04 11:45:12.894: ERROR/AndroidRuntime(225): at android.os.Looper.loop(Looper.java:123) 11-04 11:45:12.894: ERROR/AndroidRuntime(225): at android.app.ActivityThread.main(ActivityThread.java:4363) 11-04 11:45:12.894: ERROR/AndroidRuntime(225): at java.lang.reflect.Method.invokeNative(Native Method) 11-04 11:45:12.894: ERROR/AndroidRuntime(225): at java.lang.reflect.Method.invoke(Method.java:521) 11-04 11:45:12.894: ERROR/AndroidRuntime(225): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) 11-04 11:45:12.894: ERROR/AndroidRuntime(225): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 11-04 11:45:12.894: ERROR/AndroidRuntime(225): at dalvik.system.NativeStart.main(Native Method) 11-04 11:45:12.894: ERROR/AndroidRuntime(225): Caused by: java.lang.NullPointerException 11-04 11:45:12.894: ERROR/AndroidRuntime(225): at com.weuni.android.mups.ViewCampusActivity.setupWebView(ViewCampusActivity.java:41) 11-04 11:45:12.894: ERROR/AndroidRuntime(225): at com.weuni.android.mups.ViewCampusActivity.onCreate(ViewCampusActivity.java:35) 11-04 11:45:12.894: ERROR/AndroidRuntime(225): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 11-04 11:45:12.894: ERROR/AndroidRuntime(225): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2459) 11-04 11:45:12.894: ERROR/AndroidRuntime(225): ... 11 more 11-04 11:45:12.934: INFO/Process(52): Sending signal. PID: 225 SIG: 3 11-04 11:45:12.944: INFO/dalvikvm(225): threadid=7: reacting to signal 3 11-04 11:45:12.944: ERROR/dalvikvm(225): Unable to open stack trace file '/data/anr/traces.txt': Permission denied 11-04 11:45:13.165: DEBUG/ddm-heap(144): Got feature list request 11-04 11:45:13.265: DEBUG/ddm-heap(158): Got feature list request 11-04 11:45:13.315: INFO/ARMAssembler(52): generated scanline__00000077:03515104_00000000_00000000 [ 33 ipp] (47 ins) at [0x4bdcb0:0x4bdd6c] in 591000 ns 11-04 11:45:13.345: INFO/ARMAssembler(52): generated scanline__00000177:03515104_00001001_00000000 [ 91 ipp] (114 ins) at [0x4bdd70:0x4bdf38] in 752000 ns 11-04 11:45:13.375: DEBUG/ddm-heap(182): Got feature list request 11-04 11:45:13.385: DEBUG/ddm-heap(198): Got feature list request 11-04 11:45:14.265: DEBUG/NetworkLocationProvider(52): updateNetworkState(): Updating network state to 2 11-04 11:45:14.294: DEBUG/NetworkLocationProvider(52): onCellLocationChanged [0,0] 11-04 11:45:14.305: DEBUG/NetworkLocationProvider(52): onDataConnectionStateChanged 3 11-04 11:45:14.844: INFO/ActivityManager(52): Start proc com.svox.pico for broadcast com.svox.pico/.VoiceDataInstallerReceiver: pid=242 uid=10019 gids={} 11-04 11:45:14.995: DEBUG/ddm-heap(242): Got feature list request 11-04 11:45:15.624: DEBUG/MediaScanner(158): opendir /system/media/ failed, errno: 2 11-04 11:45:15.634: DEBUG/MediaScanner(158): prescan time: 5425ms 11-04 11:45:15.634: DEBUG/MediaScanner(158): scan time: 18ms 11-04 11:45:15.644: DEBUG/MediaScanner(158): postscan time: 2ms 11-04 11:45:15.644: DEBUG/MediaScanner(158): total time: 5445ms 11-04 11:45:15.664: DEBUG/MediaScannerService(158): done scanning volume internal 11-04 11:45:15.674: DEBUG/MediaScannerService(158): start scanning volume external 11-04 11:45:15.694: VERBOSE/MediaProvider(158): /sdcard volume ID: 283779103 11-04 11:45:15.835: VERBOSE/MediaProvider(158): Attached volume: external 11-04 11:45:15.995: VERBOSE/MediaScanner(158): pruneDeadThumbnailFiles... android.database.sqlite.SQLiteCursor@43bb5fd0 11-04 11:45:16.005: VERBOSE/MediaScanner(158): /pruneDeadThumbnailFiles... android.database.sqlite.SQLiteCursor@43bb5fd0 11-04 11:45:16.036: DEBUG/MediaScanner(158): prescan time: 123ms 11-04 11:45:16.036: DEBUG/MediaScanner(158): scan time: 4ms 11-04 11:45:16.036: DEBUG/MediaScanner(158): postscan time: 52ms 11-04 11:45:16.036: DEBUG/MediaScanner(158): total time: 179ms 11-04 11:45:16.065: DEBUG/MediaScannerService(158): done scanning volume external 11-04 11:45:19.655: INFO/Process(225): Sending signal. PID: 225 SIG: 9 11-04 11:45:19.685: INFO/ActivityManager(52): Process com.weuni.android.mups (pid 225) has died. 11-04 11:45:19.685: WARN/GpsLocationProvider(52): Unneeded remove listener for uid 1000 11-04 11:45:19.685: DEBUG/GpsLocationProvider(52): stopNavigating 11-04 11:45:19.795: INFO/UsageStats(52): Unexpected resume of com.android.launcher while already resumed in com.weuni.android.mups 11-04 11:45:20.085: WARN/InputManagerService(52): Window already focused, ignoring focus gain of: com.android.internal.view.IInputMethodClient$Stub$Proxy@43d2d030 11-04 11:45:24.585: WARN/ResourceType(52): Resources don't contain package for resource number 0x7f0700e5 11-04 11:45:24.595: WARN/ResourceType(52): Resources don't contain package for resource number 0x7f020031 11-04 11:45:24.595: WARN/ResourceType(52): Resources don't contain package for resource number 0x7f020030 11-04 11:45:24.595: WARN/ResourceType(52): Resources don't contain package for resource number 0x7f050000 11-04 11:45:24.605: WARN/ResourceType(52): Resources don't contain package for resource number 0x7f060001 11-04 11:45:24.625: WARN/ResourceType(52): Resources don't contain package for resource number 0x7f060000 </code></pre>
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<java><android><crash><gps><locationlistener>
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Starting my android app when GPS is enabled force closes
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