android.content.Context.getContentResolver()' on a null object reference错误
来源:互联网 发布:网站源码yjhtml 编辑:程序博客网 时间:2024/05/15 06:45
首先贴出错误日志:
[ RongExceptionHandler ] uncaughtException
java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.ContentResolver android.content.Context.getContentResolver()' on a null object reference
at android.text.format.DateFormat.is24HourFormat(DateFormat.java:180)
at android.text.format.DateFormat.is24HourFormat(DateFormat.java:168)
at android.text.format.DateUtils.formatDateRange(DateUtils.java:698)
at android.text.format.DateUtils.formatDateRange(DateUtils.java:526)
at android.text.format.DateUtils.formatDateRange(DateUtils.java:503)
at android.text.format.DateUtils.formatDateTime(DateUtils.java:753)
at com.xxx.xxxxxxx.xxx.ui.fragment.GroupClinicFragment$1$1.run(GroupClinicFragment.java:88)
at android.os.Handler.handleCallback(Handler.java:743)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:150)
at android.app.ActivityThread.main(ActivityThread.java:5546)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:794)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:684)
我这里出现这个问题的原因是Activity关闭之后,getActivity()返回的是一个null对象导致的。对getActivity()进行null判断就好了。参考文章:http://stackoverflow.com/questions/29199308/android-content-context-getcontentresolver-on-a-null-object-reference
at android.text.format.DateFormat.is24HourFormat(DateFormat.java:180)
at android.text.format.DateFormat.is24HourFormat(DateFormat.java:168)
at android.text.format.DateUtils.formatDateRange(DateUtils.java:698)
at android.text.format.DateUtils.formatDateRange(DateUtils.java:526)
at android.text.format.DateUtils.formatDateRange(DateUtils.java:503)
at android.text.format.DateUtils.formatDateTime(DateUtils.java:753)
at com.xxx.xxxxxxx.xxx.ui.fragment.GroupClinicFragment$1$1.run(GroupClinicFragment.java:88)
at android.os.Handler.handleCallback(Handler.java:743)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:150)
at android.app.ActivityThread.main(ActivityThread.java:5546)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:794)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:684)
0 0
- android.content.Context.getContentResolver()' on a null object reference错误
- Object android.content.Context.getSystemService(java.lang.String)' on a null object reference
- 已解决错误: 'android.content.res.Resources$Theme android.content.Context.getTheme()' on a null object re
- on a null object reference 错误
- findViewById出现错误View.isRootNamespace()' on a null object reference
- monkey: android viewpager.offset on a null object reference
- ApplicationThread android.app.ActivityThread.getApplicationThread()' on a null object reference
- 'int android.graphics.Bitmap.getWidth()' on a null object reference
- "on a null object reference"问题解决方案
- 在小米上面运行时的void android.view.View.setDrawingCacheBackgroundColor(int)' on a null object reference错误
- [Android] android.app.Activity.findViewById(int) on a null object reference
- android.widget.LinearLayout.addView(android.view.View)' on a null object reference
- oid android.widget.ListView.setAdapter(android.widget.ListAdapter)' on a null object reference的解决
- Android SearchView android.graphics.drawable..Drawable.setState(int[])' on a null object reference
- android.view.View android.view.View.findViewById(int)' on a null object reference
- Attempt to read from field 'int android.view.View.mViewFlags' on a null object reference
- field 'int android.view.View.mViewFlags' on a null object reference
- Attempt to read from field 'int android.view.View.mViewFlags' on a null object reference
- Window 10上安装 linux centOS 7 --> 双系统
- 简单背包问题2 NOIP 2001 <dp/枚举>_水_
- CoreAnimation4-隐式动画和显式动画
- 使用ActionBar实现Tab导航
- 事件处理程序&&事件对象
- android.content.Context.getContentResolver()' on a null object reference错误
- 计算程序运行时间
- Birt 脚本报错记录1
- G - Dreamoon and Sums 数学
- Linkedin Camus,从Kafka到HDFS的数据传输管道
- CoreAnimation5-图层时间和缓冲
- linux设备驱动makefile入门解析
- webservice SOAP WSDL 基础概念的理解
- Linkedin Camus的使用