android: Use activity when reconnecting without (or a possibly wrong) password

src/frontends/android/app/src/main/java/org/strongswan/android/logic/VpnStateService.java

@@ -29,8 +29,10 @@ import android.support.v4.content.ContextCompat;
 import org.strongswan.android.R;
 import org.strongswan.android.data.VpnProfile;
 import org.strongswan.android.data.VpnProfileDataSource;
+import org.strongswan.android.data.VpnType;
 import org.strongswan.android.logic.imc.ImcState;
 import org.strongswan.android.logic.imc.RemediationInstruction;
+import org.strongswan.android.ui.VpnProfileControlActivity;
 
 import java.lang.ref.WeakReference;
 import java.util.Collections;
@@ -313,6 +315,25 @@ public class VpnStateService extends Service
 		{
 			return;
 		}
+		if (mProfile.getVpnType().has(VpnType.VpnTypeFeature.USER_PASS))
+		{
+			if (mProfile.getPassword() == null ||
+				mError == ErrorState.AUTH_FAILED)
+			{	/* show a dialog if we either don't have the password or if it might be the wrong
+				 * one (which is or isn't stored with the profile, let the activity decide)  */
+				Intent intent = new Intent(this, VpnProfileControlActivity.class);
+				intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+				intent.setAction(VpnProfileControlActivity.START_PROFILE);
+				intent.putExtra(VpnProfileControlActivity.EXTRA_VPN_PROFILE_ID, mProfile.getUUID().toString());
+				startActivity(intent);
+				/* reset the retry timer immediately in case the user needs more time to enter the password */
+				notifyListeners(() -> {
+					resetRetryTimer();
+					return true;
+				});
+				return;
+			}
+		}
 		connect(null, true);
 	}