Android 如何删除AccountPicker.newChooseAccountContent弹出窗口的取消按钮

Intent googlePicker=AccountPicker.newchooseAccountContent（null，null，新字符串[]{googleeauthutil.GOOGLE_ACCOUNT_TYPE}，true，null，null，null）； startActivityForResult（Google Picker，请求代码）

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protected void onActivityResult(final int requestCode, final int resultCode,
                                final Intent data) {
    if (requestCode == REQUEST_CODE && resultCode == RESULT_OK) {
        String accountName = data.getStringExtra(AccountManager.KEY_ACCOUNT_NAME);
        emailAddress.setText(accountName);
    }
    else
    {
        Toast.makeText(this, "Failure: Unable to verify user's identity", Toast.LENGTH_SHORT).show();

    }
}