나는 그에게 몇 차례 질문을 받았음을 알고 있지만, 나는 운이 좋았던 모든 것을 시도해 왔습니다. 아직 오류가 있습니다. 여기 내 코드가있다.EditText에서 숫자를 가져옵니다
XML
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_gravity="center"
android:background="@android:color/transparent"
android:gravity="center"
android:orientation="vertical" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Write item value."
android:textColor="@android:color/black"
android:textSize="25dp" />
<EditText
android:id="@+id/editText1"
android:layout_width="80dp"
android:layout_height="wrap_content"
android:layout_marginBottom="202dp"
android:ems="10"
android:hint="Value"
android:inputType="number" >
<requestFocus />
</EditText>
자바
public class PopupValores extends Activity {
EditText valor1;
String myEditValue;
public static int valor;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.popupvalores);
valor1 = (EditText) findViewById (R.id.editText1);
myEditValue = valor1.getText().toString();
valor = Integer.parseInt(myEditValue); <<<<Line 20
}
}
로그 캣
05-08 21:02:10.023: W/dalvikvm(6074): threadid=1: thread exiting with uncaught exception (group=0x40020578)
05-08 21:02:10.039: E/AndroidRuntime(6074): FATAL EXCEPTION: main
05-08 21:02:10.039: E/AndroidRuntime(6074): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.dc.maker/com.dc.maker.PopupValores}: java.lang.NumberFormatException: unable to parse '' as integer
05-08 21:02:10.039: E/AndroidRuntime(6074): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1651)
05-08 21:02:10.039: E/AndroidRuntime(6074): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1667)
05-08 21:02:10.039: E/AndroidRuntime(6074): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
05-08 21:02:10.039: E/AndroidRuntime(6074): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:935)
05-08 21:02:10.039: E/AndroidRuntime(6074): at android.os.Handler.dispatchMessage(Handler.java:99)
05-08 21:02:10.039: E/AndroidRuntime(6074): at android.os.Looper.loop(Looper.java:130)
05-08 21:02:10.039: E/AndroidRuntime(6074): at android.app.ActivityThread.main(ActivityThread.java:3687)
05-08 21:02:10.039: E/AndroidRuntime(6074): at java.lang.reflect.Method.invokeNative(Native Method)
05-08 21:02:10.039: E/AndroidRuntime(6074): at java.lang.reflect.Method.invoke(Method.java:507)
05-08 21:02:10.039: E/AndroidRuntime(6074): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:867)
05-08 21:02:10.039: E/AndroidRuntime(6074): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:625)
05-08 21:02:10.039: E/AndroidRuntime(6074): at dalvik.system.NativeStart.main(Native Method)
05-08 21:02:10.039: E/AndroidRuntime(6074): Caused by: java.lang.NumberFormatException: unable to parse '' as integer
05-08 21:02:10.039: E/AndroidRuntime(6074): at java.lang.Integer.parseInt(Integer.java:362)
05-08 21:02:10.039: E/AndroidRuntime(6074): at java.lang.Integer.parseInt(Integer.java:332)
05-08 21:02:10.039: E/AndroidRuntime(6074): at com.popupclass.PopupValores.onCreate(PopupValores.java:20)
05-08 21:02:10.039: E/AndroidRuntime(6074): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
05-08 21:02:10.039: E/AndroidRuntime(6074): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1615)
05-08 21:02:10.039: E/AndroidRuntime(6074): ... 11 more
나는 글고에서 INT를 가져온 다음 다른 클래스에서 사용하려고 해요 가치를 결정하기 위해 어떤 것. 누군가 내가 뭘 잘못하고 있다고 말할 수 있습니까?
감사
당신은 오류를 얻고있다. 'valor'의 가치는 무엇입니까? (하, 그거 아이러니 야.) – Sam
롤 예, LogCat이 추가되었습니다. 편집 : valor는 EditText에서 사용자가 기록한 숫자의 값이어야합니다. –
EditText에 무엇을 쓸지라도 gettint 0입니다. 이유는 무엇입니까? –