package com.demo.lib.common.util;

import android.content.Context;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.view.WindowManager;

public class SystemCommon {

    /**
     * 获取当前APP 版本号
     *
     * @param activity
     * @return
     */
    public static int getVersonCode(Context activity) {
        int versionCode = 1;
        try {
            versionCode = activity.getPackageManager().getPackageInfo(
                    activity.getPackageName(),
                    PackageManager.GET_CONFIGURATIONS).versionCode;// 获取app版本号
        } catch (NameNotFoundException e) {
            e.printStackTrace();
        }
        return versionCode;
    }

    /**
     * 获取屏幕宽度
     *
     * @param activity
     * @return
     */
    public static float getScreenWidth(Context activity) {
        WindowManager wm = (WindowManager) activity
                .getSystemService(Context.WINDOW_SERVICE);

        return wm.getDefaultDisplay().getWidth();
    }

    /**
     * 获取屏幕高度
     *
     * @param activity
     * @return
     */
    public static float getScreenHeight(Context activity) {
        WindowManager wm = (WindowManager) activity
                .getSystemService(Context.WINDOW_SERVICE);

        return wm.getDefaultDisplay().getHeight();
    }
}