Android点击按钮旋转屏幕

在点击事件中调用此方法即可

    public void getScreenMessage(){
        Configuration cfg = getResources().getConfiguration();
        if ( cfg.orientation == Configuration.ORIENTATION_LANDSCAPE ){
            MainActivity.this.setRequestedOrientation( ActivityInfo.SCREEN_ORIENTATION_PORTRAIT );
        }else {
            MainActivity.this.setRequestedOrientation( ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE );
        }
    }