Android检查手机上是否安装了指定的软件(根据包名检测)

/**
* 检查手机上是否安装了指定的软件
* @param context
* @param packageName
* @return
*/
public static boolean isAvilible(Context context, String packageName) {
    final PackageManager packageManager = context.getPackageManager();
    List<PackageInfo> packageInfos = packageManager.getInstalledPackages(0);
    List<String> packageNames = new ArrayList<String>();

    if (packageInfos != null) {
        for (int i = 0; i < packageInfos.size(); i++) {
            String packName = packageInfos.get(i).packageName;
            packageNames.add(packName);
        }
    }
    // 判断packageNames中是否有目标程序的包名,有TRUE,没有FALSE
    return packageNames.contains(packageName);
}

 

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