Forcing edittext to only accept values of: numbers, decimals, plus, and minus signs [closed]

问题

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Closed 6 years ago.

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.

来源：https://stackoverflow.com/questions/14488060/forcing-edittext-to-only-accept-values-of-numbers-decimals-plus-and-minus-si