Wrong number of arguments error when invoking a method

That will be all right. Object[] parameters = {new Object()}; // lets say this object array is null Class clas = Class.forName(“AClass”); Object anObject = clas.newInstance(); Object[] param = {parameters}; Method someMethod = clas.getDeclaredMethod(“someMethod”, parameters.getClass()); someMethod.invoke(anObject, param); Be careful about the second parameter of the invoke method. It’s Object[] itself, and the argument type of … Read more

geocoder.getFromLocationName returns only null

I had a similar problem and found that polling the Geocoder until i got a result worked. Here is how i did it, so far works great. try { List<Address> geoResults = geocoder.getFromLocationName(“<address goes here>”, 1); while (geoResults.size()==0) { geoResults = geocoder.getFromLocationName(“<address goes here>”, 1); } if (geoResults.size()>0) { Address addr = geoResults.get(0); myLocation.setLatitude(addr.getLatitude()); myLocation.setLongitude(addr.getLongitude()); … Read more

problem formatting fields in a JTable – differences between Integer and Double

how did Walter Laan says in his thread Never give up! Never surrender! EDIT: I can’t resist, but due to my poor English I dare not to commenting why, where and how is that possible, nor works correctly, for confirmations I added Rob’s two (little bit) modified class for TableColumnRendering …, import java.awt.EventQueue; import java.math.RoundingMode; … Read more

Android 5.0 (L) Service Intent must be explicit in Google analytics

If you’re trying to use Google’s Licensing mechanism, solution that worked for me: // explicit Intent, safe Intent serviceIntent = new Intent(ILicensingService.class.getName()); serviceIntent.setPackage(“com.android.vending”); boolean bindResult = mContext.bindService(serviceIntent, this, Context.BIND_AUTO_CREATE); This is located in com/google/android/vending/licensing/LicenseChecker.java. Do a search for “Base64.decode(“ Edit: Adding reference to Google Licensing java file that has to be patched: com.google.android.vending.licensing.LicenseChecker.checkAccess(LicenseChecker.java:150) patch: new … Read more

Receiver not registered exception error?

The root of your problem is located here: unregisterReceiver(batteryNotifyReceiver); If the receiver was already unregistered (probably in the code that you didn’t include in this post) or was not registered, then call to unregisterReceiver throws IllegalArgumentException. In your case you need to just put special try/catch for this exception and ignore it (assuming you can’t … Read more

Google In-App billing, IllegalArgumentException: Service Intent must be explicit, after upgrading to Android L Dev Preview

I had the same problem and explicitly setting the package solved it. Similar to Aleksey’s answer, but simpler: Intent intent = new Intent(“com.android.vending.billing.InAppBillingService.BIND”); // This is the key line that fixed everything for me intent.setPackage(“com.android.vending”); getContext().bindService(intent, serviceConnection, Context.BIND_AUTO_CREATE);