Android 设定横屏，禁止屏幕旋转，Activity重置 [更新视频播放器相关]

古之立大事者，不惟有超世之才，亦必有坚忍不拔之志。这篇文章主要讲述Android 设定横屏，禁止屏幕旋转，Activity重置 [更新视频播放器相关]相关的知识，希望能为你提供帮助。
1. 设定屏幕方向
当指定了屏幕的方向后（非SCREEN_ORIENTATION_UNSPECIFIED），屏幕就不会自己主动的旋转了
有2中方式控制屏幕方向：
1.1 改动androidManifest.xml
在AndroidManifest.xml的activity中增加:横屏：
android:screenOrientation=”landscape”竖屏： android:screenOrientation=”portrait”

1.2 setRequestedOrientation横屏：
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);

【Android 设定横屏，禁止屏幕旋转，Activity重置 [更新视频播放器相关]】竖屏：
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);

ActivityInfo:

int	SCREEN_ORIENTATION_BEHIND	Constant corresponding to behind in the screenOrientation attribute.
int	SCREEN_ORIENTATION_FULL_SENSOR	Constant corresponding to fullSensor in the screenOrientation attribute.
int	SCREEN_ORIENTATION_FULL_USER	Constant corresponding to fullUser in the screenOrientation attribute.
int	SCREEN_ORIENTATION_LANDSCAPE	Constant corresponding to landscape in the screenOrientation attribute.
int	SCREEN_ORIENTATION_LOCKED	Constant corresponding to locked in the screenOrientation attribute.
int	SCREEN_ORIENTATION_NOSENSOR	Constant corresponding to nosensor in the screenOrientation attribute.
int	SCREEN_ORIENTATION_PORTRAIT	Constant corresponding to portrait in the screenOrientation attribute.
int	SCREEN_ORIENTATION_REVERSE_LANDSCAPE	Constant corresponding to reverseLandscape in the screenOrientation attribute.
int	SCREEN_ORIENTATION_REVERSE_PORTRAIT	Constant corresponding to reversePortrait in the screenOrientation attribute.
int	SCREEN_ORIENTATION_SENSOR	Constant corresponding to sensor in the screenOrientation attribute.
int	SCREEN_ORIENTATION_SENSOR_LANDSCAPE	Constant corresponding to sensorLandscape in the screenOrientation attribute.
int	SCREEN_ORIENTATION_SENSOR_PORTRAIT	Constant corresponding to sensorPortrait in the screenOrientation attribute.
int	SCREEN_ORIENTATION_UNSPECIFIED	Constant corresponding to unspecified in the screenOrientation attribute.
int	SCREEN_ORIENTATION_USER	Constant corresponding to user in the screenOrientation attribute.
int	SCREEN_ORIENTATION_USER_LANDSCAPE	Constant corresponding to userLandscape in the screenOrientation attribute.
int	SCREEN_ORIENTATION_USER_PORTRAIT	Constant corresponding to userPortrait in the screenOrientation attribute.

2. 禁止屏幕旋转后重置Activity

屏幕旋转后会强制调用Activity.onCreate方法，所以会重置Activity
禁止方法：
改动AndroidManifest.xml
android:configChanges=”orientation”

近期在做Android的播放器。遇到採用以上方法后，仍然出现屏幕旋转后触发Activity.onCreate，经查阅资料后，发现须要加入screenSize处理
详细代码为：