标题: [教学] Android MapFragment.getMap()' on a null object reference [打印本页] 作者: 资讯王 时间: 2015-7-17 20:47 标题: [教学] Android MapFragment.getMap()' on a null object reference java.lang.NullPointerException: Attempt to invoke virtual method 'com.google.android.gms.maps.GoogleMap com.google.android.gms.maps.MapFragment.getMap()' on a null object reference
ClassLoader.loadClass: The class loader returned by Thread.getContextClassLoader() may fail for processes that host multiple applications. You should explicitly specify a context class loader. For example: Thread.setContextClassLoader(getClass().getClassLoader());