info.plist要添加scheme:

1.地图列表:
NSArray *mapKeys=[[NSArray alloc] initWithObjects:@"com.autonavi.minimap",
@"com.baidu.BaiduMap",
@"com.google.android.apps.maps",
@"com.tencent.map", nil];
NSArray *mapSchemes=[[NSArray alloc] initWithObjects:@"iosamap://",
@"baidumap://",
@"comgooglemaps://",
@"qqmap://", nil];
2.获取已安装地图列表:
QString getMapList(){












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