效果图

获取手机上已安装应用列表，将获取到的信息用集合返回，可以自己定义是否过滤系统应用，Appinfo是一个实体类，包含应用的名称 包名 图标icon等等

 /**
     * 获取手机已安装应用列表
     * @param ctx
     * @param isFilterSystem 是否过滤系统应用
     * @return
     */
    public static ArrayList<AppInfo> getAllAppInfo(Context ctx,boolean isFilterSystem) {
        ArrayList<AppInfo> appBeanList = new ArrayList<>();
        AppInfo bean = null;

        PackageManager packageManager = ctx.getPackageManager();
        List<PackageInfo> list = packageManager.getInstalledPackages(0);
        for (PackageInfo p : list) {
            bean = new AppInfo();
            bean.setIcon(p.applicationInfo.loadIcon(packageManager));
            bean.setLabel(packageManager.getApplicationLabel(p.applicationInfo).toString());
            bean.setPackage_name(p.applicationInfo.packageName);
            int flags = p.applicationInfo.flags;
            // 判断是否是属于系统的apk
            if ((flags & ApplicationInfo.FLAG_SYSTEM) != 0&&isFilterSystem) {
//                bean.setSystem(true);
            } else {
                appBeanList.add(bean);
            }
        }
        return appBeanList;
    }

Appinfo

public class AppInfo {
    public int uid;
    public String label;//应用名称
    public String package_name;//应用包名
    public Drawable icon;//应用icon
    
    public AppInfo() {
        uid = 0;
        label = "";
        package_name = "";
        icon = null;
    }

    public int getUid() {
        return uid;
    }

    public void setUid(int uid) {
        this.uid = uid;
    }

    public String getLabel() {
        return label;
    }

    public void setLabel(String label) {
        this.label = label;
    }

    public String getPackage_name() {
        return package_name;
    }

    public void setPackage_name(String package_name) {
        this.package_name = package_name;
    }

    public Drawable getIcon() {
        return icon;
    }

    public void setIcon(Drawable icon) {
        this.icon = icon;
    }
}