屏幕方向OrientationUtil

import android.app.Activity;
import android.content.Context;
import android.content.pm.ActivityInfo;
import android.content.res.Configuration;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;

/**
 * Created by zxz on 2016/5/4.
 * 屏幕方向
 */
public class OrientationUtil {
    public static final int VERTICAL = 0x00;
    public static final int HORIZONTAL = 0x01;
    private static View v;
    private static ViewGroup.LayoutParams originalContainerLayoutParams;

    /**
     * 获取屏幕方向
     *
     * @param cxt
     * @return {@link #HORIZONTAL}  {@link #HORIZONTAL}
     */
    public static int getOrientation(Context cxt) {
//        v = view;
//        originalContainerLayoutParams = view.getLayoutParams();
        int orientation = VERTICAL;
        if (cxt.getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE) {
            orientation = HORIZONTAL;
        }
        return orientation;
    }

    /***
     * 指定屏幕方向
     * P.S. 这样强制指定后,旋转手机时屏幕不会旋转...
     *
     * @param act
     * @param targetOrientation {@link #HORIZONTAL} {@link #VERTICAL}
     */
    public static void forceOrientation(Activity act, int targetOrientation) {
        int oriOrientation = act.getRequestedOrientation();
        Window window = act.getWindow();
        if (targetOrientation == HORIZONTAL) {//竖屏 -> 横屏
            originalContainerLayoutParams = v.getLayoutParams();

            if (oriOrientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
                    || oriOrientation == ActivityInfo.SCREEN_ORIENTATION_PORTRAIT) {
                act.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
            }

            v.setLayoutParams(Util.getLayoutParamsBasedOnParent(
                    v,
                    ViewGroup.LayoutParams.MATCH_PARENT,
                    ViewGroup.LayoutParams.MATCH_PARENT
            ));
            window.setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                    WindowManager.LayoutParams.FLAG_FULLSCREEN);

        } else {//横屏 -> 竖屏
            if (oriOrientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
                    || oriOrientation == ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE) {
                act.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
            }



            WindowManager.LayoutParams attrs = window.getAttributes();
            attrs.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN);
            window.setAttributes(attrs);
            window.clearFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);

            v.setLayoutParams(originalContainerLayoutParams);
        }
    }

    /**
     * 自动变换屏幕方向
     *
     * @param act
     */
    public static void changeOrientation(Activity act, View view) {
        v = view;

        int targetOrientation = VERTICAL;
        if (getOrientation(act) == VERTICAL) {
            originalContainerLayoutParams = view.getLayoutParams();
            targetOrientation = HORIZONTAL;
        }
        forceOrientation(act, targetOrientation);
    }
}