Note that there are some explanatory texts on larger screens.

plurals
  1. POUnable to start activity componentinfo java.lang.nullpointerexception in android google maps?
    primarykey
    data
    text
    <p>I am trying to get nearest places list in android app by detecting users current location , I am successfully getting user nearest places according to google type in list view.I have button called show places on map if i click on the button it is showing the fallowing error </p> <pre><code>java.lang.RuntimeException: Unable to start activity ComponentInfo{com.nws.parkd/com.nws.parkd.map.PlacesMapActivity}: java.lang.NullPointerException </code></pre> <p>Here is my code</p> <p><strong>map_places.xml</strong> </p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;fragment xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/mapView" android:layout_width="match_parent" android:layout_height="match_parent" class="com.google.android.gms.maps.SupportMapFragment" /&gt; </code></pre> <p><strong>PlacesMapActivity.java</strong> </p> <pre><code>public class PlacesMapActivity extends FragmentActivity { // Nearest places PlacesList nearPlaces; // Map view // MapView mapView; private GoogleMap mapView; // Map overlay items List&lt;Overlay&gt; mapOverlays; AddItemizedOverlay itemizedOverlay; GeoPoint geoPoint; // Map controllers MapController mc; double latitude; double longitude; OverlayItem overlayitem; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.map_places); MapFragment map = ((MapFragment) getFragmentManager().findFragmentById( R.id.mapView)); mapView = map.getMap(); // Getting intent data Intent i = getIntent(); // Users current geo location String user_latitude = i.getStringExtra("user_latitude"); String user_longitude = i.getStringExtra("user_longitude"); // Nearplaces list nearPlaces = (PlacesList) i.getSerializableExtra("near_places"); // mapView = (MapView) findViewById(R.id.mapView); // mapView.setBuiltInZoomControls(true); // mapOverlays = mapView.getOverlays(); // Geopoint to place on map geoPoint = new GeoPoint( (int) (Double.parseDouble(user_latitude) * 1E6), (int) (Double.parseDouble(user_longitude) * 1E6)); // Drawable marker icon Drawable drawable_user = this.getResources().getDrawable( R.drawable.mark_red); itemizedOverlay = new AddItemizedOverlay(drawable_user, this); // Map overlay item overlayitem = new OverlayItem(geoPoint, "Your Location", "That is you!"); itemizedOverlay.addOverlay(overlayitem); mapOverlays.add(itemizedOverlay); itemizedOverlay.populateNow(); // Drawable marker icon Drawable drawable = this.getResources().getDrawable( R.drawable.mark_blue); itemizedOverlay = new AddItemizedOverlay(drawable, this); // mc = mapView.getController(); // These values are used to get map boundary area // The area where you can see all the markers on screen int minLat = Integer.MAX_VALUE; int minLong = Integer.MAX_VALUE; int maxLat = Integer.MIN_VALUE; int maxLong = Integer.MIN_VALUE; // check for null in case it is null if (nearPlaces.results != null) { // loop through all the places for (Place place : nearPlaces.results) { latitude = place.geometry.location.lat; // latitude longitude = place.geometry.location.lng; // longitude // Geopoint to place on map geoPoint = new GeoPoint((int) (latitude * 1E6), (int) (longitude * 1E6)); // Map overlay item overlayitem = new OverlayItem(geoPoint, place.name, place.vicinity); itemizedOverlay.addOverlay(overlayitem); // calculating map boundary area minLat = (int) Math.min(geoPoint.getLatitudeE6(), minLat); minLong = (int) Math.min(geoPoint.getLongitudeE6(), minLong); maxLat = (int) Math.max(geoPoint.getLatitudeE6(), maxLat); maxLong = (int) Math.max(geoPoint.getLongitudeE6(), maxLong); } mapOverlays.add(itemizedOverlay); // showing all overlay items itemizedOverlay.populateNow(); } // Adjusting the zoom level so that you can see all the markers on map // mapView.getController().zoomToSpan(Math.abs(minLat - maxLat), // Math.abs(minLong - maxLong)); // Showing the center of the map mc.animateTo(new GeoPoint((maxLat + minLat) / 2, (maxLong + minLong) / 2)); // mapView.postInvalidate(); } private void setUpMapIfNeeded() { // Do a null check to confirm that we have not already instantiated the // map. if (mapView == null) { mapView = ((MapFragment) getFragmentManager().findFragmentById( R.id.mapView)).getMap(); // Check if we were successful in obtaining the map. if (mapView != null) { // The Map is verified. It is now safe to manipulate the map. } } } } </code></pre> <p>and logcat showing fallowing errors</p> <pre><code>08-14 07:44:14.054: W/ResourceType(2051): Skipping entry 0x7f020026 in package table 0 because it is not complex! 08-14 07:44:14.065: W/ResourceType(2051): Skipping entry 0x7f020026 in package table 0 because it is not complex! 08-14 07:44:14.074: W/ResourceType(2051): Skipping entry 0x7f020026 in package table 0 because it is not complex! 08-14 07:44:14.074: W/ResourceType(2051): Skipping entry 0x7f020026 in package table 0 because it is not complex! 08-14 07:44:14.464: D/gralloc_goldfish(2051): Emulator without GPU emulation detected. 08-14 07:44:17.295: D/dalvikvm(2051): GC_FOR_ALLOC freed 66K, 6% free 2913K/3096K, paused 98ms, total 128ms 08-14 07:44:17.327: I/dalvikvm-heap(2051): Grow heap (frag case) to 3.563MB for 635812-byte allocation 08-14 07:44:17.525: D/dalvikvm(2051): GC_FOR_ALLOC freed 7K, 6% free 3526K/3720K, paused 203ms, total 203ms 08-14 07:44:17.815: D/Network(2051): Network Enabled 08-14 07:44:17.826: D/GPS(2051): GPS Enabled 08-14 07:44:17.865: D/Your Location(2051): latitude:16.495558333333335, longitude: 80.66023166666668 08-14 07:44:18.945: I/Choreographer(2051): Skipped 90 frames! The application may be doing too much work on its main thread. 08-14 07:44:19.285: I/Choreographer(2051): Skipped 73 frames! The application may be doing too much work on its main thread. 08-14 07:44:20.215: I/Choreographer(2051): Skipped 199 frames! The application may be doing too much work on its main thread. 08-14 07:44:22.575: I/Choreographer(2051): Skipped 36 frames! The application may be doing too much work on its main thread. 08-14 07:44:23.025: I/Choreographer(2051): Skipped 44 frames! The application may be doing too much work on its main thread. 08-14 07:44:26.535: D/dalvikvm(2051): GC_FOR_ALLOC freed 227K, 9% free 3812K/4156K, paused 108ms, total 108ms 08-14 07:44:26.576: I/Choreographer(2051): Skipped 34 frames! The application may be doing too much work on its main thread. 08-14 07:44:26.666: I/Choreographer(2051): Skipped 32 frames! The application may be doing too much work on its main thread. 08-14 07:44:28.695: I/Choreographer(2051): Skipped 41 frames! The application may be doing too much work on its main thread. 08-14 07:44:29.094: I/Choreographer(2051): Skipped 40 frames! The application may be doing too much work on its main thread. 08-14 07:44:33.774: D/dalvikvm(2051): GC_FOR_ALLOC freed 433K, 13% free 3890K/4440K, paused 114ms, total 114ms 08-14 07:44:33.824: I/Choreographer(2051): Skipped 35 frames! The application may be doing too much work on its main thread. 08-14 07:44:34.284: D/Places Status(2051): OK 08-14 07:44:34.854: I/Choreographer(2051): Skipped 44 frames! The application may be doing too much work on its main thread. 08-14 07:44:37.124: W/GooglePlayServicesUtil(2051): Google Play services out of date. Requires 3159100 but found 3158130 08-14 07:44:37.225: W/GooglePlayServicesUtil(2051): Google Play services out of date. Requires 3159100 but found 3158130 08-14 07:44:37.287: W/GooglePlayServicesUtil(2051): Google Play services out of date. Requires 3159100 but found 3158130 08-14 07:44:37.364: W/GooglePlayServicesUtil(2051): Google Play services out of date. Requires 3159100 but found 3158130 08-14 07:44:37.474: W/GooglePlayServicesUtil(2051): Google Play services out of date. Requires 3159100 but found 3158130 08-14 07:44:37.545: D/AndroidRuntime(2051): Shutting down VM 08-14 07:44:37.554: W/dalvikvm(2051): threadid=1: thread exiting with uncaught exception (group=0x414c4700) 08-14 07:44:37.755: E/AndroidRuntime(2051): FATAL EXCEPTION: main 08-14 07:44:37.755: E/AndroidRuntime(2051): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.nws.parkd/com.nws.parkd.map.PlacesMapActivity}: java.lang.NullPointerException 08-14 07:44:37.755: E/AndroidRuntime(2051): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2211) 08-14 07:44:37.755: E/AndroidRuntime(2051): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2261) 08-14 07:44:37.755: E/AndroidRuntime(2051): at android.app.ActivityThread.access$600(ActivityThread.java:141) 08-14 07:44:37.755: E/AndroidRuntime(2051): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1256) 08-14 07:44:37.755: E/AndroidRuntime(2051): at android.os.Handler.dispatchMessage(Handler.java:99) 08-14 07:44:37.755: E/AndroidRuntime(2051): at android.os.Looper.loop(Looper.java:137) 08-14 07:44:37.755: E/AndroidRuntime(2051): at android.app.ActivityThread.main(ActivityThread.java:5103) 08-14 07:44:37.755: E/AndroidRuntime(2051): at java.lang.reflect.Method.invokeNative(Native Method) 08-14 07:44:37.755: E/AndroidRuntime(2051): at java.lang.reflect.Method.invoke(Method.java:525) 08-14 07:44:37.755: E/AndroidRuntime(2051): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737) 08-14 07:44:37.755: E/AndroidRuntime(2051): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553) 08-14 07:44:37.755: E/AndroidRuntime(2051): at dalvik.system.NativeStart.main(Native Method) 08-14 07:44:37.755: E/AndroidRuntime(2051): Caused by: java.lang.NullPointerException 08-14 07:44:37.755: E/AndroidRuntime(2051): at com.nws.parkd.map.PlacesMapActivity.onCreate(PlacesMapActivity.java:55) 08-14 07:44:37.755: E/AndroidRuntime(2051): at android.app.Activity.performCreate(Activity.java:5133) 08-14 07:44:37.755: E/AndroidRuntime(2051): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087) 08-14 07:44:37.755: E/AndroidRuntime(2051): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2175) 08-14 07:44:37.755: E/AndroidRuntime(2051): ... 11 more 08-14 07:49:38.025: I/Process(2051): Sending signal. PID: 2051 SIG: 9 08-14 07:49:38.875: W/ResourceType(2095): Skipping entry 0x7f020026 in package table 0 because it is not complex! 08-14 07:49:38.875: W/ResourceType(2095): Skipping entry 0x7f020026 in package table 0 because it is not complex! 08-14 07:49:38.885: W/ResourceType(2095): Skipping entry 0x7f020026 in package table 0 because it is not complex! 08-14 07:49:38.885: W/ResourceType(2095): Skipping entry 0x7f020026 in package table 0 because it is not complex! 08-14 07:49:39.215: D/gralloc_goldfish(2095): Emulator without GPU emulation detected. </code></pre>
    singulars
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
 

Querying!

 
Guidance

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload