Developer Libraries » Trusted Intents

    /**

     * Check if an {@link Intent} is from a trusted sender.

     *

     * @param intent the {@code Intent} to check

     * @return boolean whether {@code intent} is from a trusted sender

     * @see #addTrustedSigner(Class)

     */

    public boolean isIntentFromTrustedSender(Intent intent) {

        if (!isIntentSane(intent)) {

            return false;

        }

        if (TextUtils.isEmpty(packageName)) {

            return false;

        }

        return isPackageNameTrusted(packageName);

    }

    /**

     * Returns an {@link Intent} if the sending app is signed by one of

     * the trusted signing keys as set in {@link #addTrustedSigner(Class)}.

     *

     * @returns {@code null} if there is no {@code Intent} or if the

     * sender is not trusted.

     * @see #addTrustedSigner(Class)

     */

    public Intent getIntentFromTrustedSender(Activity activity) {

        Intent intent = activity.getIntent();

        if (isIntentFromTrustedSender(intent)) {

            return intent;

        }

        return null;