iOS：

1.用Xcode打开项目，右键点击项目名称，选择 “Add Files to ‘项目名’ “ ；

2.找到路径文件： 项目文件夹/node_modules/react-native-orientation/RCTOrientation ，将该文件添加上；

3.然后重新运行项目；

Android：

用法

componentWillMount() {
    // 判断横竖屏幕
    var initial = Orientation.getInitialOrientation();
    if (initial === 'PORTRAIT') {
      //do stuff
    } else {
      //do other stuff
    }
   
    // 只允许竖屏
    Orientation.lockToPortrait();
    //只允许横屏
    Orientation.lockToLandscape();
}

Functions

• lockToPortrait()
• lockToLandscape()
• lockToLandscapeLeft()
• lockToLandscapeRight()
• unlockAllOrientations()
• getOrientation(function(err,orientation)

返回的结果有LANDSCAPEPORTRAITUNKNOWNPORTRAITUPSIDEDOWN

• getSpecificOrientation(function(err,specificOrientation)

返回的结果有LANDSCAPE-LEFTLANDSCAPE-RIGHTPORTRAITUNKNOWNPORTRAITUPSIDEDOWN