Merge "Fix APN cannot save after ApnEditor is paused."

    @Override

    public void onResume() {

        super.onResume();

        if (mUri == null && mNewApn) {

            // The URI could have been deleted when activity is paused,

            // therefore, it needs to be restored.

            mUri = getContentResolver().insert(getIntent().getData(), new ContentValues());

            if (mUri == null) {

                Log.w(TAG, "Failed to insert new telephony provider into "

                        + getIntent().getData());

                finish();

                return;

            }

            mCursor = managedQuery(mUri, sProjection, null, null);

            mCursor.moveToFirst();

        }

        getPreferenceScreen().getSharedPreferences()

                .registerOnSharedPreferenceChangeListener(this);

    }

        // If it's a new APN and a name or apn haven't been entered, then erase the entry

        if (force && mNewApn && name.length() < 1 && apn.length() < 1) {

            getContentResolver().delete(mUri, null, null);

            mUri = null;

            return false;

        }