Forcing edittext to only accept values of: numbers

问题:

this is my xml code

---

              <EditText
                    android:id="@+id/etSPHr"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginRight="5dp"
                    android:layout_weight="1"
                    android:background="@drawable/myedittext"
                    android:digits="0123456789.+-"
                    android:ems="10"
                    android:inputType="numberDecimal"
                    android:nextFocusForward="@+id/etCYLr"
                    android:paddingLeft="5dp"
                    android:paddingRight="5dp"
                    android:singleLine="true" >

---

the problem is my keyboard doesnt let me use the plus sign its disabled

回答1:

Doing

android:inputType="numberDecimal|numberSigned"

should work.