我有一个应用程序，我从谷歌帐户获取用户数据，用户也可以在他的墙上发布，我想在我的应用程序上添加评论活动。我接受了帮助
点击here！或者这里a link！并按照每个步骤进行操作，但是我必须在Plus.MomentsApi.write(mGoogleApiClient, moment);上写connection handler，但它会出错并强行关闭活动，我不知道是什么问题。请帮我理清一下。
MainActivity
public class MainActivity extends Activity implements OnClickListener,
ConnectionCallbacks, OnConnectionFailedListener {
private static final int RC_SIGN_IN = 0;
String personName, personPhotoUrl ,personGooglePlusProfile,email;
private static final String TAG = "MainActivity";
private static final int PROFILE_PIC_SIZE = 400;
private GoogleApiClient mGoogleApiClient;
private Plus.PlusOptions plusOptions;
private boolean mIntentInProgress;
private boolean mSignInClicked;
private ConnectionResult mConnectionResult;
private SignInButton btnSignIn;
private Button btnSignOut, btnRevokeAccess,post,mail;
private ImageView imgProfilePic;
private TextView txtName, txtEmail;
private LinearLayout llProfileLayout;
Person currentPerson;
Moment moment;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.fragment_main);
btnSignIn = (SignInButton) findViewById(R.id.signin);
btnSignOut = (Button) findViewById(R.id.signout);
post = (Button) findViewById(R.id.postToWall);
txtName = (TextView) findViewById(R.id.txtName);
txtEmail = (TextView) findViewById(R.id.txtEmail);
llProfileLayout = (LinearLayout) findViewById(R.id.llProfile);
btnSignIn.setOnClickListener(this);
btnSignOut.setOnClickListener(this);
post.setOnClickListener(this);
plusOptions = new Plus.PlusOptions.Builder()
.addActivityTypes("http://schemas.google.com/ListenActivity")
.build();
mGoogleApiClient = new GoogleApiClient.Builder(this)
.addConnectionCallbacks(this)
.addOnConnectionFailedListener(this).addApi(Plus.API, plusOptions)
.addScope(Plus.SCOPE_PLUS_LOGIN).build();
ItemScope target = new ItemScope.Builder()
.setId("myuniqueidforthissong")
.setName("When Johnny Comes Marching Home")
.setDescription("A song about missing one's family members fighting in the American Civil War")
.setImage("http://example.com/images/albumThumb.png")
.setType("http://schema.org/MusicRecording")
.build();
moment = new Moment.Builder()
.setType("http://schemas.google.com/ListenActivity")
.setTarget(target)
.build();
}
protected void onStart() {
super.onStart();
mGoogleApiClient.connect();
}
protected void onStop() {
super.onStop();
if (mGoogleApiClient.isConnected()) {
// Plus.MomentsApi.write(mGoogleApiClient, moment);
mGoogleApiClient.disconnect();
}
}
private void resolveSignInError() {
if (mConnectionResult.hasResolution()) {
try {
mIntentInProgress = true;
mConnectionResult.startResolutionForResult(this, RC_SIGN_IN);
} catch (SendIntentException e) {
mIntentInProgress = false;
mGoogleApiClient.connect();
}
}
}
@Override
public void onConnectionFailed(ConnectionResult result) {
//mLastConnectionResult = result;
if (!result.hasResolution()) {
GooglePlayServicesUtil.getErrorDialog(result.getErrorCode(), this,
0).show();
return;
}
if (!mIntentInProgress) {
mConnectionResult = result;
if (mSignInClicked) {
resolveSignInError();
}
}
}
public void shareOnGooglePlus(Activity activity, String caption)
{
Intent shareIntent = ShareCompat.IntentBuilder.from(MainActivity.this)
.setText("")
.setType("text/plain")
.getIntent()
.setPackage("com.google.android.apps.plus");
startActivity(shareIntent);
}
@Override
protected void onActivityResult(int requestCode, int responseCode,
Intent intent) {
if (requestCode == RC_SIGN_IN) {
if (responseCode != RESULT_OK) {
mSignInClicked = false;
}
mIntentInProgress = false;
if (!mGoogleApiClient.isConnecting()) {
mGoogleApiClient.connect();
}
}
}
@Override
public void onConnected(Bundle arg0) {
Plus.MomentsApi.write(mGoogleApiClient, moment);
getProfileInformation();
updateUI(true);
}
private void updateUI(boolean isSignedIn) {
if (isSignedIn) {
btnSignIn.setVisibility(View.GONE);
btnSignOut.setVisibility(View.VISIBLE);
// btnRevokeAccess.setVisibility(View.VISIBLE);
llProfileLayout.setVisibility(View.VISIBLE);
post.setVisibility(View.VISIBLE);
// mail.setVisibility(View.VISIBLE);
} else {
btnSignIn.setVisibility(View.VISIBLE);
btnSignOut.setVisibility(View.GONE);
// btnRevokeAccess.setVisibility(View.GONE);
llProfileLayout.setVisibility(View.GONE);
post.setVisibility(View.GONE);
// mail.setVisibility(View.GONE);
}
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.signin:
signInWithGplus();
break;
case R.id.signout:
signOutFromGplus();
break;
case R.id.postToWall:
shareOnGooglePlus(this, "caption");
}
}
private void signInWithGplus() {
if (!mGoogleApiClient.isConnecting()) {
mSignInClicked = true;
resolveSignInError();
}
}
private void signOutFromGplus() {
if (mGoogleApiClient.isConnected()) {
Plus.AccountApi.clearDefaultAccount(mGoogleApiClient);
mGoogleApiClient.disconnect();
mGoogleApiClient.connect();
updateUI(false);
}
}
logcat的
04-21 17:02:22.713: E/AndroidRuntime(7121): FATAL EXCEPTION: main
04-21 17:02:22.713: E/AndroidRuntime(7121): java.lang.IllegalStateException: Results have already been set
04-21 17:02:22.713: E/AndroidRuntime(7121): at com.google.android.gms.internal.er.a(Unknown Source)
04-21 17:02:22.713: E/AndroidRuntime(7121): at com.google.android.gms.common.api.a$a.a(Unknown Source)
04-21 17:02:22.713: E/AndroidRuntime(7121): at com.google.android.gms.common.api.a$a.b(Unknown Source)
04-21 17:02:22.713: E/AndroidRuntime(7121): at com.google.android.gms.plus.internal.e$d.c(Unknown Source)
04-21 17:02:22.713: E/AndroidRuntime(7121): at com.google.android.gms.plus.internal.e$d.a(Unknown Source)
04-21 17:02:22.713: E/AndroidRuntime(7121): at com.google.android.gms.internal.eh$b.ec(Unknown Source)
04-21 17:02:22.713: E/AndroidRuntime(7121): at com.google.android.gms.internal.eh$a.handleMessage(Unknown Source)
04-21 17:02:22.713: E/AndroidRuntime(7121): at android.os.Handler.dispatchMessage(Handler.java:99)
04-21 17:02:22.713: E/AndroidRuntime(7121): at android.os.Looper.loop(Looper.java:153)
04-21 17:02:22.713: E/AndroidRuntime(7121): at android.app.ActivityThread.main(ActivityThread.java:5000)
04-21 17:02:22.713: E/AndroidRuntime(7121): at java.lang.reflect.Method.invokeNative(Native Method)
04-21 17:02:22.713: E/AndroidRuntime(7121): at java.lang.reflect.Method.invoke(Method.java:511)
04-21 17:02:22.713: E/AndroidRuntime(7121): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:821)
04-21 17:02:22.713: E/AndroidRuntime(7121): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:584)
04-21 17:02:22.713: E/AndroidRuntime(7121): at dalvik.system.NativeStart.main(Native Method)