安卓 查询 安装的app 代码

以下是查询安装的app的安卓代码：

PackageManager pm = getPackageManager();
List<ApplicationInfo> packages = pm.getInstalledApplications(PackageManager.GET_META_DATA);
for (ApplicationInfo packageInfo : packages) {
// 判断是否是非系统应用
if ((packageInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0) {
String appName = pm.getApplicationLabel(packageInfo).toString();
Log.d("Installed App", appName);
}
}