获取手机已安装的APP的信息，包括APK文件数据

 

这个功能在华为手机上测试了，其他机型不确定是不是可以啊。核心的工具类贴出来，列表展示相关的自行编写。

public class ApkInfoManager {
    private static ApkInfoManager appInfoManager;

    private ApkInfoManager() {

    }

    public static ApkInfoManager getInstance() {
        if (appInfoManager == null) {
            appInfoManager = new ApkInfoManager();
        }
        return appInfoManager;
    }

    public List<ApkInfoEntity> getAppInfoList(Context context) {
        List<ResolveInfo> resolveInfos = initApp(context);
        ArrayList<ApkInfoEntity> appInfoEntities = new ArrayList<>();
        if (resolveInfos != null && resolveInfos.size() > 0) {
            for (ResolveInfo resolveInfo : resolveInfos) {
                ApkInfoEntity appInfoEntity = new ApkInfoEntity();
                appInfoEntity.setAppName(resolveInfo.loadLabel(context.getPackageManager()).toString());
                appInfoEntity.setIconDrawable(resolveInfo.loadIcon(context.getPackageManager()));
                appInfoEntity.setPageName(resolveInfo.activityInfo.packageName);
                appInfoEntity.setAppVersion(getVersion(context, resolveInfo.activityInfo.packageName));
                appInfoEntity.setAppVersionCode(getVersionCode(context, resolveInfo.activityInfo.packageName));
                String appDir = null;
                try {
                    // 指定包名的程序源文件路径
                    appDir = context.getPackageManager().getAppli