本文介绍了onCreate()中的空指针异常的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

限时删除!!

在下面提到的代码中我得到空指针异常。需要做什么?

In the below mentioned code I am getting null pointer exception. What need to be done?

private static final String PREFERENCES = "PREFERENCES";
private static final String URL = "url";
private String lastUrl;
private EditText urlText;
private TextView textView;

/** Called when the activity is first created. */

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    urlText = (EditText) findViewById(R.id.address);
    textView = (TextView) findViewById(R.id.pagetext);

    loadPreferences();
    urlText.setText(lastUrl);
}

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1403页,肝出来的..

09-08 09:02