AndroidAuthenticator.java 文件源码

public String getAuthToken() throws AuthFailureError {
    AccountManagerFuture<Bundle> future = this.mAccountManager.getAuthToken(this.mAccount, this.mAuthTokenType, this.mNotifyAuthFailure, null, null);
    try {
        Bundle result = (Bundle) future.getResult();
        String authToken = null;
        if (future.isDone() && !future.isCancelled()) {
            if (result.containsKey("intent")) {
                throw new AuthFailureError((Intent) result.getParcelable("intent"));
            }
            authToken = result.getString("authtoken");
        }
        if (authToken != null) {
            return authToken;
        }
        throw new AuthFailureError("Got null auth token for type: " + this.mAuthTokenType);
    } catch (Exception e) {
        throw new AuthFailureError("Error while retrieving auth token", e);
    }
}