in case of DigitOnly forcing the IME to show only numeric keyboard

Bug: 244483864
Test: verified manually
Change-Id: I43ad6f72d8592c973f1d72328baea175100c6201
diff --git a/src/com/android/stk/StkInputActivity.java b/src/com/android/stk/StkInputActivity.java
index 18e7b35..8608a22 100644
--- a/src/com/android/stk/StkInputActivity.java
+++ b/src/com/android/stk/StkInputActivity.java
@@ -27,6 +27,7 @@
 import android.telephony.CarrierConfigManager;
 import android.text.Editable;
 import android.text.InputFilter;
+import android.text.InputType;
 import android.text.TextUtils;
 import android.text.TextWatcher;
 import android.text.method.PasswordTransformationMethod;
@@ -449,6 +450,7 @@
         boolean hideHelper = false;
         if (mStkInput.digitOnly) {
             mTextIn.setKeyListener(StkDigitsKeyListener.getInstance());
+            mTextIn.setInputType(InputType.TYPE_CLASS_NUMBER);
             inTypeId = R.string.digits;
             hideHelper = StkAppService.getBooleanCarrierConfig(this,
                     CarrierConfigManager.KEY_HIDE_DIGITS_HELPER_TEXT_ON_STK_INPUT_SCREEN_BOOL,