ارائه دهنده محتوای اندروید برای جیمیل

// Get the account list, and pick the first one.
final String ACCOUNT_TYPE_GOOGLE = "com.google";
final String[] FEATURES_MAIL = {
        "service_mail"
};
AccountManager.get(this).getAccountsByTypeAndFeatures(ACCOUNT_TYPE_GOOGLE, FEATURES_MAIL,
        new AccountManagerCallback() {
            @Override
            public void run(AccountManagerFuture future) {
                Account[] accounts = null;
                try {
                    accounts = future.getResult();
                    if (accounts != null && accounts.length > 0) {
                        String selectedAccount = accounts[0].name;
                        queryLabels(selectedAccount);
                    }

                } catch (OperationCanceledException oce) {
                    // TODO: handle exception
                } catch (IOException ioe) {
                    // TODO: handle exception
                } catch (AuthenticatorException ae) {
                    // TODO: handle exception
                }
            }
        }, null /* handler */);

// Query for all labels and find the Inbox.
try (Cursor labelsCursor = getContentResolver().query(
        GmailContract.Labels.getLabelsUri(selectedAccount), null, null, null, null)) {
    if (labelsCursor != null) {
        final String inboxCanonicalName = GmailContract.Labels.LabelCanonicalName.CANONICAL_NAME_INBOX;
        final int canonicalNameIndex = labelsCursor.getColumnIndexOrThrow(GmailContract.Labels.CANONICAL_NAME);
        while (labelsCursor.moveToNext()) {
            if (inboxCanonicalName.equals(labelsCursor.getString(canonicalNameIndex))) {
                // This row corresponds to the Inbox.
            }
        }
    }
}