EditText HTML appears prompt this text field does not specify an inputtype or a hint

1 <edittext2         android:layout_width= "fill_parent" 3         android:layout_height= "Wrap_content" 4         android: Minlines= "3" 5         android:id= "@+id/message" 6         />

This writing suddenly found a yellow exclamation mark appeared, prompted: "This text field does not specify an inputtype or a hint";

The reason is that this edit box is missing a property: hint.

The hint properties function as follows:

The modified code is:

1 <edittext2         android:layout_width= "fill_parent" 3         android:layout_height= "Wrap_content" 4         android: Minlines= "3" 5         android:hint= "@null" 6         android:id= "@+id/message" 7         />

When added, the yellow exclamation mark disappears.

EditText HTML appears prompt this text field does not specify an inputtype or a hint