How to change the hint size of TextInputLayout
In your styles.xml <style name=”TextLabel” parent=”TextAppearance.Design.Hint”> <item name=”android:textSize”>16sp</item> </style> And then in your layout file: <android.support.design.widget.TextInputLayout android:layout_width=”match_parent” android:layout_height=”wrap_content” android:layout_marginLeft=”@dimen/activity_horizontal_margin” android:layout_marginRight=”@dimen/activity_horizontal_margin” android:layout_marginTop=”12dp” app:hintTextAppearance=”@style/TextLabel” android:minHeight=”30dp”>