package com.basic.security.utils;

import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;

import java.util.List;

public class SystemUtils {

    public static boolean checkHaveApp(Context context, String packageName) {
        PackageManager packageManager = context.getPackageManager();

        //获取系统中安装的应用包的信息
        List<PackageInfo> listPackageInfo = packageManager.getInstalledPackages(0);
        for (int i = 0; i < listPackageInfo.size(); i++) {
            if (listPackageInfo.get(i).packageName.equalsIgnoreCase(packageName)) {
                return true;
            }
        }
        return false;
    }


    public static boolean isNetworkConnected(Context context) {
        if (context != null) {
            ConnectivityManager mConnectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
            NetworkInfo mNetworkInfo = mConnectivityManager.getActiveNetworkInfo();
            if (mNetworkInfo != null) {
                return mNetworkInfo.isAvailable();
            }
        }
        return false;
    }

}