高德地图（Attempt to invoke virtual method 'void com.amap.api.maps.MapView.onDestroy()' on a null object）
2017-10-24 17:42
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使用高德地图时MapView 不能通过ButterKnife来获取id，需要通过findviewbyid来获取MapView对象，否则会报
Attempt to invoke virtual method 'void com.amap.api.maps.MapView.onDestroy()' on a null object reference
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