로그인을 할 때 '아이디저장' 을 안하면

로그인한뒤 다음 Activity에서 Edit Text 값을 Null을 주면 오류가 나서 디버깅 해보니

NullPointerException 이러한 오류가 나서 질문 드립니다.

Log Cat

06-15 22:36:05.240: E/AndroidRuntime(21302): FATAL EXCEPTION: main
06-15 22:36:05.240: E/AndroidRuntime(21302): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.CallHeare/com.CallHeare.Main}: java.lang.NullPointerException
06-15 22:36:05.240: E/AndroidRuntime(21302):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1651)
06-15 22:36:05.240: E/AndroidRuntime(21302):  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1667)
06-15 22:36:05.240: E/AndroidRuntime(21302):  at android.app.ActivityThread.access$1500(ActivityThread.java:117)
06-15 22:36:05.240: E/AndroidRuntime(21302):  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:935)
06-15 22:36:05.240: E/AndroidRuntime(21302):  at android.os.Handler.dispatchMessage(Handler.java:99)
06-15 22:36:05.240: E/AndroidRuntime(21302):  at android.os.Looper.loop(Looper.java:130)
06-15 22:36:05.240: E/AndroidRuntime(21302):  at android.app.ActivityThread.main(ActivityThread.java:3691)
06-15 22:36:05.240: E/AndroidRuntime(21302):  at java.lang.reflect.Method.invokeNative(Native Method)
06-15 22:36:05.240: E/AndroidRuntime(21302):  at java.lang.reflect.Method.invoke(Method.java:507)
06-15 22:36:05.240: E/AndroidRuntime(21302):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:847)
06-15 22:36:05.240: E/AndroidRuntime(21302):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:605)
06-15 22:36:05.240: E/AndroidRuntime(21302):  at dalvik.system.NativeStart.main(Native Method)
06-15 22:36:05.240: E/AndroidRuntime(21302): Caused by: java.lang.NullPointerException
06-15 22:36:05.240: E/AndroidRuntime(21302):  at com.CallHeare.Main.onCreate(Main.java:30)
06-15 22:36:05.240: E/AndroidRuntime(21302):  at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
06-15 22:36:05.240: E/AndroidRuntime(21302):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1615)
06-15 22:36:05.240: E/AndroidRuntime(21302):  ... 11 more

 public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        Button btnjoin = (Button) findViewById(R.id.btnjoin);
        Button btnlogin = (Button) findViewById(R.id.btnlogin);
        btnjoin.setOnClickListener(this);
        btnlogin.setOnClickListener(this);
        CheckBox Checkid = (CheckBox) findViewById(R.id.lbtnIDCheck);
        EditText leditid = (EditText) findViewById(R.id.leditid);
        EditText leditpass = (EditText) findViewById(R.id.leditpass); 
        if(Checkid.isChecked() == false){   //이부분에서 프로세스가 죽습니다.

                   leditid.setText(null);
                   leditpass.setText(null);
             }

        exitHandler = new Handler() {
    public void handleMessage(Message msg) {
     if(msg.what == 0) {
      mFlag = false;
     
     }
    }
   };
    }