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6592769
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0
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2011-07-06T07:12:00.190
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2011-07-06T08:05:30.330
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2011-07-06T08:05:30.330
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<pre><code>private class LocationControl extends AsyncTask<Context, Void, Void> { private final ProgressDialog dialog = new ProgressDialog(MainActivity.this); protected void onPreExecute() { this.dialog.setMessage("Tap outside dialog to close"); this.dialog.setTitle("Searching your current location..."); //this.dialog.setTitle(R.string.hello); this.dialog.setCanceledOnTouchOutside(true); this.dialog.show(); } protected Void doInBackground(Context... params) { //Wait 40 seconds to see if we can get a location from either network or GPS, otherwise stop Long t = Calendar.getInstance().getTimeInMillis(); while (!hasLocation && Calendar.getInstance().getTimeInMillis() - t < 40000) { try { Thread.sleep(1000); } catch (InterruptedException e) { e.printStackTrace(); } }; return null; } protected void onPostExecute(final Void unused) { if(this.dialog.isShowing()) { this.dialog.dismiss(); } if (currentLocation != null) { GeoPoint startPoint = new GeoPoint((int)(currentLocation.getLatitude()*1E6),(int)(currentLocation.getLongitude()*1E6)); final MapController mc = mapView.getController(); mc.animateTo(startPoint); mc.setZoom(16); } else { /* Toast.makeText(MainActivity.this, "Location could not be found\nusing default location", Toast.LENGTH_SHORT).show(); GeoPoint startPoint = new GeoPoint((int)(43.332628*1E6),(int)(5.353128*1E6)); final MapController mc = mapView.getController(); mc.animateTo(startPoint); mc.setZoom(16); */ } } } </code></pre> <p>And call the execute from your <code>onCreate()</code>:</p> <pre><code>locationControlTask = new LocationControl(); locationControlTask.execute(this); </code></pre>
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1. POHow To use AsyncTask in multiple class? it is giving null pointer exception
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1. PTAnswer
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1. USShadow Wizard
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1. USVarsha Agrawal
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