加载地图时出现这个代码：
script unknown:internalerror:the choice of java constructor android.graphics.drawable.BitmapDrawable matching JavaScript argument types(null)is ambiguous;candidate constructors are:BitmapDrawable(android.content.res.Resources)
BitmapDrawable(android.graphics.Bitmap)
BitmapDrawable(java.io.InputStream)
BitmapDrawable(java.lang.String)
script unknown:internalerror:the choice of java constructor android.graphics.drawable.BitmapDrawable matching JavaScript argument types(null)is ambiguous;candidate constructors are:BitmapDrawable(android.content.res.Resources)
BitmapDrawable(android.graphics.Bitmap)
BitmapDrawable(java.io.InputStream)
BitmapDrawable(java.lang.String)
