Attempt to invoke virtual method

Unable to start activity ComponentInfo{com.imoo.enterprise/com.imoo.enterprise.ui.trace.TrajectoryInfoActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference

记得layout文件的View要大写，不能写成view小写开头！！！