-Improved email sanity verifications when adding emails when creating a new Key

-fixed a few NFC crashes
-fixed a few instances when showing the keyboard would crash the Activity
-fixed a case where adding new emails would crash the app if the user went back and forth between the Add Email fragment and the Add Name fragment.

1 files changed, 5 insertions, 3 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/AddEmailDialogFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/AddEmailDialogFragment.java
index 5d5ca533e..5b91b9d37 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/AddEmailDialogFragment.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/AddEmailDialogFragment.java
@@ -112,9 +112,11 @@ public class AddEmailDialogFragment extends DialogFragment implements OnEditorAc
                 mEmail.post(new Runnable() {
                     @Override
                     public void run() {
-                        InputMethodManager imm = (InputMethodManager) getActivity()
-                                .getSystemService(Context.INPUT_METHOD_SERVICE);
-                        imm.showSoftInput(mEmail, InputMethodManager.SHOW_IMPLICIT);
+                        if(getActivity() != null) {
+                            InputMethodManager imm = (InputMethodManager) getActivity()
+                                    .getSystemService(Context.INPUT_METHOD_SERVICE);
+                            imm.showSoftInput(mEmail, InputMethodManager.SHOW_IMPLICIT);
+                        }
                     }
                 });
             }