use of org.anddev.andengine.ui.activity.BaseActivity.CancelledException in project AndEngine by nicolasgramlich.
the class ActivityUtils method doAsync.
public static <T> void doAsync(final Context pContext, final CharSequence pTitle, final CharSequence pMessage, final Callable<T> pCallable, final Callback<T> pCallback, final Callback<Exception> pExceptionCallback, final boolean pCancelable) {
new AsyncTask<Void, Void, T>() {
private ProgressDialog mPD;
private Exception mException = null;
@Override
public void onPreExecute() {
this.mPD = ProgressDialog.show(pContext, pTitle, pMessage, true, pCancelable);
if (pCancelable) {
this.mPD.setOnCancelListener(new OnCancelListener() {
@Override
public void onCancel(final DialogInterface pDialogInterface) {
pExceptionCallback.onCallback(new CancelledException());
pDialogInterface.dismiss();
}
});
}
super.onPreExecute();
}
@Override
public T doInBackground(final Void... params) {
try {
return pCallable.call();
} catch (final Exception e) {
this.mException = e;
}
return null;
}
@Override
public void onPostExecute(final T result) {
try {
this.mPD.dismiss();
} catch (final Exception e) {
Debug.e("Error", e);
}
if (this.isCancelled()) {
this.mException = new CancelledException();
}
if (this.mException == null) {
pCallback.onCallback(result);
} else {
if (pExceptionCallback == null) {
Debug.e("Error", this.mException);
} else {
pExceptionCallback.onCallback(this.mException);
}
}
super.onPostExecute(result);
}
}.execute((Void[]) null);
}
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