Google+ に接続し、GoogleApiClient オブジェクトを正しく取得するアクティビティがあります。この後、Google にログインする必要があり、GMail Apis を使用してメールを送信する必要があるため、authToken 文字列が必要です。GoogleAuthUtil.getToken メソッドを呼び出すと、GoogleAuthException が発生しました。どうすればいいですか？GoogleApiClient オブジェクトを再度使用する必要がありますか?
ここにコード：
public class MainActivity extends Activity implements ConnectionCallbacks, OnConnectionFailedListener
{
GoogleApiClient mGoogleApiClient;
private static final int REQUEST_RESOLVE_ERROR = 1001;
// Unique tag for the error dialog fragment
private static final String DIALOG_ERROR = "dialog_error";
// Bool to track whether the app is already resolving an error
private boolean mResolvingError = false;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Scope scopes[] = {Plus.SCOPE_PLUS_PROFILE};
mGoogleApiClient = new GoogleApiClient.Builder(this).addApi(Plus.API).addScope(Plus.SCOPE_PLUS_PROFILE).addConnectionCallbacks(this).addOnConnectionFailedListener(this).build();
}
@Override
public void onConnected(Bundle connectionHint)
{
String name = Plus.AccountApi.getAccountName(mGoogleApiClient);
new emailTask().execute();
}
@Override
public void onConnectionSuspended(int cause)
{
int a = 0;
// The connection has been interrupted.
// Disable any UI components that depend on Google APIs
// until onConnected() is called.
}
@Override
public void onConnectionFailed(ConnectionResult result)
{
if (mResolvingError) {
// Already attempting to resolve an error.
return;
} else if (result.hasResolution()) {
try {
mResolvingError = true;
result.startResolutionForResult(this, REQUEST_RESOLVE_ERROR);
} catch (SendIntentException e) {
// There was an error with the resolution intent. Try again.
mGoogleApiClient.connect();
}
} else {
// Show dialog using GooglePlayServicesUtil.getErrorDialog()
showErrorDialog(result.getErrorCode());
mResolvingError = true;
}
}
@Override
protected void onStart()
{
super.onStart();
mGoogleApiClient.connect();
}
@Override
protected void onStop()
{
mGoogleApiClient.disconnect();
super.onStop();
}
private void showErrorDialog(int errorCode) {
// Create a fragment for the error dialog
ErrorDialogFragment dialogFragment = new ErrorDialogFragment();
// Pass the error that should be displayed
Bundle args = new Bundle();
args.putInt(DIALOG_ERROR, errorCode);
dialogFragment.setArguments(args);
dialogFragment.show(getFragmentManager(), "errordialog");
}
/* Called from ErrorDialogFragment when the dialog is dismissed. */
public void onDialogDismissed() {
mResolvingError = false;
}
/* A fragment to display an error dialog */
public static class ErrorDialogFragment extends DialogFragment {
public ErrorDialogFragment() { }
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
// Get the error code and retrieve the appropriate dialog
int errorCode = this.getArguments().getInt(DIALOG_ERROR);
return GooglePlayServicesUtil.getErrorDialog(errorCode,
this.getActivity(), REQUEST_RESOLVE_ERROR);
}
@Override
public void onDismiss(DialogInterface dialog) {
((MainActivity)getActivity()).onDialogDismissed();
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == REQUEST_RESOLVE_ERROR) {
mResolvingError = false;
if (resultCode == RESULT_OK) {
// Make sure the app is not already connected or attempting to connect
if (!mGoogleApiClient.isConnecting() &&
!mGoogleApiClient.isConnected()) {
mGoogleApiClient.connect();
}
}
}
}
public static MimeMessage createEmail(String to, String from, String subject,
String bodyText) throws MessagingException {
Properties props = new Properties();
Session session = Session.getDefaultInstance(props, null);
MimeMessage email = new MimeMessage(session);
InternetAddress tAddress = new InternetAddress(to);
InternetAddress fAddress = new InternetAddress(from);
email.setFrom(new InternetAddress(from));
email.addRecipient(javax.mail.Message.RecipientType.TO,
new InternetAddress(to));
email.setSubject(subject);
email.setText(bodyText);
return email;
}
public static Message createMessageWithEmail(MimeMessage email)
throws MessagingException, IOException {
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
email.writeTo(bytes);
String encodedEmail = Base64.encodeBase64URLSafeString(bytes.toByteArray());
Message message = new Message();
message.setRaw(encodedEmail);
return message;
}
public static void sendMessage(Gmail service, String userId, MimeMessage email)
throws MessagingException, IOException {
Message message = createMessageWithEmail(email);
message = service.users().messages().send(userId, message).execute();
System.out.println("Message id: " + message.getId());
System.out.println(message.toPrettyString());
}
public class emailTask extends AsyncTask
{
@Override
protected Object doInBackground(Object... params)
{
HttpTransport httpTransport = new NetHttpTransport();
JsonFactory jsonFactory = new JacksonFactory();
try {
String token = GoogleAuthUtil.getToken(MainActivity.this, "myemail", "https://www.googleapis.com/auth/gmail.compose");
} catch (UserRecoverableAuthException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (GoogleAuthException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
/* try {
clientSecrets = GoogleClientSecrets.load(jsonFactory, new FileReader(CLIENT_SECRET_PATH));
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}*/
//GoogleCredential credential = new GoogleCredential().setAccessToken(token);
//Gmail service = new Gmail.Builder(httpTransport, jsonFactory, credential).setApplicationName(APP_NAME).build().setFromTokenResponse(response);
// Create a new authorized Gmail API client
return null;
}
}
}
そしてここにログ：
08-11 10:37:42.197: W/System.err(4354): com.google.android.gms.auth.GoogleAuthException: Unknown
08-11 10:37:42.207: W/System.err(4354): at com.google.android.gms.auth.GoogleAuthUtil.getToken(Unknown Source)
08-11 10:37:42.207: W/System.err(4354): at com.google.android.gms.auth.GoogleAuthUtil.getToken(Unknown Source)
08-11 10:37:42.207: W/System.err(4354): at com.fp.testauthgoogleplus.MainActivity$emailTask.doInBackground(MainActivity.java:249)
08-11 10:37:42.217: W/System.err(4354): at android.os.AsyncTask$2.call(AsyncTask.java:288)
08-11 10:37:42.217: W/System.err(4354): at java.util.concurrent.FutureTask.run(FutureTask.java:237)
08-11 10:37:42.227: W/System.err(4354): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
08-11 10:37:42.227: W/System.err(4354): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
08-11 10:37:42.227: W/System.err(4354): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
08-11 10:37:42.237: W/System.err(4354): at java.lang.Thread.run(Thread.java:841)