Example usage for android.content.pm PermissionInfo fixProtectionLevel

Introduction

In this page you can find the example usage for android.content.pm PermissionInfo fixProtectionLevel.

Prototype

public static int fixProtectionLevel(int level) 

Source Link

Usage

From source file:android.content.pm.PackageParser.java

private Permission parsePermission(Package owner, Resources res, XmlPullParser parser, AttributeSet attrs,
        String[] outError) throws XmlPullParserException, IOException {
    Permission perm = new Permission(owner);

    TypedArray sa = res.obtainAttributes(attrs, com.android.internal.R.styleable.AndroidManifestPermission);

    if (!parsePackageItemInfo(owner, perm.info, outError, "<permission>", sa,
            com.android.internal.R.styleable.AndroidManifestPermission_name,
            com.android.internal.R.styleable.AndroidManifestPermission_label,
            com.android.internal.R.styleable.AndroidManifestPermission_icon,
            com.android.internal.R.styleable.AndroidManifestPermission_logo,
            com.android.internal.R.styleable.AndroidManifestPermission_banner)) {
        sa.recycle();/*w  ww  .j a  va2  s . c  o m*/
        mParseError = PackageManager.INSTALL_PARSE_FAILED_MANIFEST_MALFORMED;
        return null;
    }

    // Note: don't allow this value to be a reference to a resource
    // that may change.
    perm.info.group = sa
            .getNonResourceString(com.android.internal.R.styleable.AndroidManifestPermission_permissionGroup);
    if (perm.info.group != null) {
        perm.info.group = perm.info.group.intern();
    }

    perm.info.descriptionRes = sa
            .getResourceId(com.android.internal.R.styleable.AndroidManifestPermission_description, 0);

    perm.info.protectionLevel = sa.getInt(
            com.android.internal.R.styleable.AndroidManifestPermission_protectionLevel,
            PermissionInfo.PROTECTION_NORMAL);

    perm.info.flags = sa.getInt(com.android.internal.R.styleable.AndroidManifestPermission_permissionFlags, 0);

    sa.recycle();

    if (perm.info.protectionLevel == -1) {
        outError[0] = "<permission> does not specify protectionLevel";
        mParseError = PackageManager.INSTALL_PARSE_FAILED_MANIFEST_MALFORMED;
        return null;
    }

    perm.info.protectionLevel = PermissionInfo.fixProtectionLevel(perm.info.protectionLevel);

    if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_FLAGS) != 0) {
        if ((perm.info.protectionLevel
                & PermissionInfo.PROTECTION_MASK_BASE) != PermissionInfo.PROTECTION_SIGNATURE) {
            outError[0] = "<permission>  protectionLevel specifies a flag but is "
                    + "not based on signature type";
            mParseError = PackageManager.INSTALL_PARSE_FAILED_MANIFEST_MALFORMED;
            return null;
        }
    }

    if (!parseAllMetaData(res, parser, attrs, "<permission>", perm, outError)) {
        mParseError = PackageManager.INSTALL_PARSE_FAILED_MANIFEST_MALFORMED;
        return null;
    }

    owner.permissions.add(perm);

    return perm;
}

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