Overload hasAllPermissions

[robertoestivill]

I was thinking on a variation of PermissionsManager.hasAllPermissions that only takes a context and retrieves all the app permissions out of the package info, just like PermissionsManager.requestAllManifestPermissionsIfNecessary

Just by looking at the code, it could be something like the following

public static boolean hasAllPermissions( @Nullable Context context ) { 
    if (context == null) {
        return false;
    }
    PackageInfo packageInfo = null;
    try {
        Log.d(TAG, context.getPackageName());
        packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), PackageManager.GET_PERMISSIONS);
    } catch (PackageManager.NameNotFoundException e) {
        Log.e(TAG, "A problem occurred when retrieving permissions", e);
    }
    boolean hasAllPermissions = false;
    if (packageInfo != null) {
        hasAllPermissions = true;
        String[] permissions = packageInfo.requestedPermissions;
        if (permissions != null) {
            for (String perm : permissions) {
                hasAllPermissions &= ActivityCompat.checkSelfPermission(context, perm)
                    == PackageManager.PERMISSION_GRANTED;
            }
        }
    }
    return hasAllPermissions;
}

Disclaimer: I have not tested the code nor even compiled it, this is just an idea. I will be happy to contribute properly if the idea is good enough.

Thanks