Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.app.ActionBar.setDisplayShowHomeEnabled(boolean)' on a null object reference
2017-11-14 14:24
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/********************************************************************************* * Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.app.ActionBar.setDisplayShowHomeEnabled(boolean)' on a null object reference * 说明: * 获取Action Bar的时候获取了空指针。 * * 2017-11-14 深圳 南山平山村 曾剑锋 ********************************************************************************/ 一、参考文档: 1. getActionBar()返回为空 空指针错误 Caused by: java.lang.NullPointerException http://m.blog.csdn.net/u014561933/article/details/53994166 二、原因: 如果继承自AppCompatActivity,则需要使用getSupportActionBar()
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