WindowUtil.java

package com.cheng.utils;

import android.app.Activity;
import android.content.Context;
import android.content.res.Configuration;
import android.view.Surface;

/**
 * 窗口工具箱
 */
public final class WindowUtil {

    /**
     * Don't let anyone instantiate this class.
     */
    private WindowUtil() {
        throw new Error("Do not need instantiate!");
    }

    /**
     * 获取当前窗口的旋转角度
     *
     * @param activity
     * @return
     */
    public static int getDisplayRotation(Activity activity) {
        switch (activity.getWindowManager().getDefaultDisplay().getRotation()) {
            case Surface.ROTATION_0:
                return 0;
            case Surface.ROTATION_90:
                return 90;
            case Surface.ROTATION_180:
                return 180;
            case Surface.ROTATION_270:
                return 270;
            default:
                return 0;
        }
    }

    /**
     * 当前是否是横屏
     *
     * @param context
     * @return
     */
    public static final boolean isLandscape(Context context) {
        return context.getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE;
    }

    /**
     * 当前是否是竖屏
     *
     * @param context
     * @return
     */
    public static final boolean isPortrait(Context context) {
        return context.getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT;
    }

}