You have a ClassCastException at line 61, its all in logcat
>> 08-12 15:39:02.912: ERROR/AndroidRuntime(548): Caused by:
>> java.lang.ClassCastException: com.example.North.North
>> 08-12 15:39:02.912: ERROR/AndroidRuntime(548): at
>> com.example.North.North.onCreate(North.java:61)
Whatever is on line 61 isn't the type you think it is.
Cheers,
Justin
Android Team @ Google
On Aug 12, 8:12 am, Declan <dmeen...@gmail.com> wrote:
> I've modified the code a bit since the last time, and now it crashes
> at runtime.
> I've got the log-cat and code below.
> Any suggestions, or links to a tutoiral on how to go about debugging
> would be appreciated.
> Thanks,
> Declan
>
> package com.wissen.android;
>
> import java.util.List;
>
> import android.content.Context;
> import android.graphics.Bitmap;
> import android.graphics.BitmapFactory;
> import android.graphics.Canvas;
> import android.graphics.Paint;
> import android.graphics.Point;
> import android.graphics.drawable.Drawable;
> import android.hardware.SensorManager;
> import android.location.Location;
> import android.location.LocationListener;
> import android.location.LocationManager;
> import android.os.Bundle;
> import android.os.Vibrator;
> import android.util.Config;
> import android.util.Log;
> import android.view.KeyEvent;
> import android.view.ViewGroup;
> import android.view.ViewGroup.LayoutParams;
> import android.widget.Button;
> import android.widget.EditText;
> import android.widget.TextView;
> import android.widget.ZoomControls;
>
> import com.google.android.maps.GeoPoint;
> import com.google.android.maps.MapActivity;
> import com.google.android.maps.MapController;
> import com.google.android.maps.MapView;
> import com.google.android.maps.Overlay;
>
> public class Hello extends MapActivity implements LocationListener {
> /** Called when the activity is first created. */
>
> EditText txted = null;
> Button btnSimple = null;
> MapView gMapView = null;
> MapController mc = null;
> Drawable defaultMarker = null;
> GeoPoint p = null;
> double latitude = 0.0, longitude =
> 0.0; // for current location
> double desLat, desLong;// for current destination
> private SensorManager mSensorManager;
> private float[] mValues;
> private static final String TAG = "Compass";
> // for compasse
>
> @Override
> public void onCreate(Bundle savedInstanceState) {
> super.onCreate(savedInstanceState);
> setContentView(R.layout.main);
>
> // makes the field with text
> txted = (EditText) findViewById(R.id.id1);
> String currentLocation = "Lat: " + latitude + " Lng: " +
> longitude;
> txted.setText(currentLocation);
> // Creating and initializing Map
> gMapView = (MapView) findViewById(R.id.myGMap);
> p = new GeoPoint((int) (latitude * 1000000), (int) (longitude
> *
> 1000000));
> gMapView.setSatellite(true);
> mc = gMapView.getController();
> mc.setCenter(p);
> mc.setZoom(14);
>
> /** Add a location mark**/
> MyLocationOverlay myLocationOverlay = new MyLocationOverlay();
> List<Overlay> list = gMapView.getOverlays();
> list.add(myLocationOverlay);
>
> // Adding zoom controls to Map
> ZoomControls zoomControls = (ZoomControls)
> gMapView.getZoomControls
> ();
> zoomControls.setLayoutParams(new ViewGroup.LayoutParams
> (LayoutParams.WRAP_CONTENT,
> LayoutParams.WRAP_CONTENT));
>
> gMapView.addView(zoomControls);
> gMapView.displayZoomControls(true);
>
> // Getting locationManager and reflecting changes over map if
> distance travel by
> // user is greater than 500m from current location.
> LocationManager lm = (LocationManager) getSystemService
> (Context.LOCATION_SERVICE);
> lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000L,
> 500.0f, this);
>
> }
> public void onSensorChanged(int sensor, float[] values) {
> if (Config.LOGD) Log.d(TAG, "sensorChanged (" + values[0] + ",
> " + values[1] + ", " + values[2] + ")");{
> mValues = values;
> //Doesn't work, should appear if this section is called,
> never called?
> String currentLocation = "Got magnetic
> ==================================";
>
> txted.setText(currentLocation);
>
> int i=90;
> if (mValues != null) {
> if(mValues[0]<i+3&mValues[0]>i-3)
> {
> Vibrator vibrator =
> (Vibrator)getSystemService
> (Context.VIBRATOR_SERVICE);
> vibrator.vibrate((long) 300.0);
> }
> }
> //Code needed to make a compasse vibrate, I should be
> from baring
> methad
>
> Vibrator vibrator = (Vibrator)getSystemService
> (Context.VIBRATOR_SERVICE);
> vibrator.vibrate((long) 300.0);
>
> }
> }
> /* This method is called when use position will get changed */
> public void onLocationChanged(Location location) {
> if (location != null) {
> double lat = location.getLatitude();
> double lng = location.getLongitude();
> String currentLocation = "Lat: " + lat + " Lng: " +
> lng;
> txted.setText(currentLocation);
> p = new GeoPoint((int) lat * 1000000, (int) lng *
> 1000000);
> mc.animateTo(p);
> Vibrator vibrator = (Vibrator)getSystemService
> (Context.VIBRATOR_SERVICE);
> vibrator.vibrate((long) 300.0);
> }
> }
>
> public void onProviderDisabled(String provider) {
> // required for interface, not used
> }
>
> public void onProviderEnabled(String provider) {
> // required for interface, not used
> }
>
> public void onStatusChanged(String provider, int status, Bundle
> extras) {
> // required for interface, not used
> }
>
> protected boolean isRouteDisplayed() {
> // TODO Auto-generated method stub
> return false;
> }
>
> /* User can zoom in/out using keys provided on keypad*/
> public boolean onKeyDown(int keyCode, KeyEvent event) {
> if (keyCode == KeyEvent.KEYCODE_I) {
>
> gMapView.getController().setZoom(gMapView.getZoomLevel() + 1);
> return true;
> } else if (keyCode == KeyEvent.KEYCODE_O) {
>
> gMapView.getController().setZoom(gMapView.getZoomLevel() - 1);
> return true;
> } else if (keyCode == KeyEvent.KEYCODE_S) {
> gMapView.setSatellite(true);
> return true;
> } else if (keyCode == KeyEvent.KEYCODE_T) {
> gMapView.setTraffic(true);
> return true;
> }
> return false;
> }
>
> /* Class overload draw method which actually plot a marker,text etc.
> on Map */
> protected class MyLocationOverlay extends
> com.google.android.maps.Overlay {
>
> @Override
> public boolean draw(Canvas canvas, MapView mapView, boolean
> shadow,
> long when) {
> Paint paint = new Paint();
>
> super.draw(canvas, mapView, shadow);
> // Converts lat/lng-Point to OUR coordinates on the
> screen.
> Point myScreenCoords = new Point();
> mapView.getProjection().toPixels(p, myScreenCoords);
>
> paint.setStrokeWidth(1);
> paint.setARGB(255, 255, 255, 255);
> paint.setStyle(Paint.Style.STROKE);
>
> Bitmap bmp =
> BitmapFactory.decodeResource(getResources(),
> R.drawable.marker);
>
> canvas.drawBitmap(bmp, myScreenCoords.x,
> myScreenCoords.y, paint);
> canvas.drawText("I am here...", myScreenCoords.x,
> myScreenCoords.y,
> paint);
> return true;
> }
> }
>
> }
>
> 08-12 15:39:02.892: ERROR/AndroidRuntime(548): Uncaught handler:
> thread main exiting due to uncaught exception
> 08-12 15:39:02.912: ERROR/AndroidRuntime(548):
> java.lang.RuntimeException: Unable to start activity ComponentInfo
> {com.example.North/com.example.North.North}:
> java.lang.ClassCastException: com.example.North.North
> 08-12 15:39:02.912: ERROR/AndroidRuntime(548): at
> android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
> 2268)
> 08-12 15:39:02.912: ERROR/AndroidRuntime(548): at
> android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:
> 2284)
> 08-12 15:39:02.912: ERROR/AndroidRuntime(548): at
> android.app.ActivityThread.access$1800(ActivityThread.java:112)
> 08-12 15:39:02.912: ERROR/AndroidRuntime(548): at
> android.app.ActivityThread$H.handleMessage(ActivityThread.java:1692)
> 08-12 15:39:02.912: ERROR/AndroidRuntime(548): at
> android.os.Handler.dispatchMessage(Handler.java:99)
> 08-12 15:39:02.912: ERROR/AndroidRuntime(548): at
> android.os.Looper.loop(Looper.java:123)
> 08-12 15:39:02.912: ERROR/AndroidRuntime(548): at
> android.app.ActivityThread.main(ActivityThread.java:3948)
> 08-12 15:39:02.912: ERROR/AndroidRuntime(548): at
> java.lang.reflect.Method.invokeNative(Native Method)
> 08-12 15:39:02.912: ERROR/AndroidRuntime(548): at
> java.lang.reflect.Method.invoke(Method.java:521)
> 08-12 15:39:02.912: ERROR/AndroidRuntime(548): at
> com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run
> (ZygoteInit.java:782)
> 08-12 15:39:02.912: ERROR/AndroidRuntime(548): at
> com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540)
> 08-12 15:39:02.912: ERROR/AndroidRuntime(548): at
> dalvik.system.NativeStart.main(Native Method)
> 08-12 15:39:02.912: ERROR/AndroidRuntime(548): Caused by:
> java.lang.ClassCastException: com.example.North.North
> 08-12 15:39:02.912: ERROR/AndroidRuntime(548): at
> com.example.North.North.onCreate(North.java:61)
> 08-12 15:39:02.912: ERROR/AndroidRuntime(548): at
> android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:
> 1123)
> 08-12 15:39:02.912: ERROR/AndroidRuntime(548): at
> android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
> 2231)
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