小编rAy*_*so7的帖子

Android引起:java.lang.NullPointerException

我现在编辑了...我检查布局和初始化但仍然是相同的错误..它可能是日食错误?

public class ActivityOwner extends Activity implements OnClickListener {

        EditText ownerUser, ownerPass;
        private Button btnLogin;
        private ProgressDialog pDialog;
        JSONParser jsonParser = new JSONParser();

        private static final String OWNER_LOGIN_URL = "http://192.168.2.5/idot/owner_login.php";

        // ---JSON element ids from response of php script
        private static final String TAG_SUCCESS = "success";
        private static final String TAG_MESSAGE = "message";

        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_owner);

            ownerUser = (EditText) findViewById(R.id.owner_login_username);
            ownerPass = (EditText) findViewById(R.id.owner_login_password);

            TextView tvLinkToRegister = (TextView) findViewById(R.id.link_to_register);
            tvLinkToRegister.setOnClickListener(new View.OnClickListener() {

                @Override
                public void …
Run Code Online (Sandbox Code Playgroud)

eclipse android nullpointerexception android-asynctask

0
推荐指数
1
解决办法
4万
查看次数