GoogleAuthUtil.getToken() 块

Question

我正在尝试为我的 Android 应用程序中的登录用户检索 Google Plus 访问令牌。我正在使用以下代码执行此操作，该代码遵循 here, here and here 提出的建议：

private class RetrieveTokenTask extends AsyncTask<String, Void, String> {
    @Override
    protected String doInBackground(String... params) {
        int REQUEST_CODE_TOKEN_AUTH = 466453; // Any number, not really using it anyway.
        String accountName = params[0];
        String scopes = "oauth2:" + Plus.SCOPE_PLUS_LOGIN;
        String token = null;
        try {
            token = GoogleAuthUtil.getToken(getActivity(), accountName, scopes);
        } catch (IOException e) {
            Log.e(TAG, e.getMessage());
        } catch (UserRecoverableAuthException e) {
            startActivityForResult(e.getIntent(), REQUEST_CODE_TOKEN_AUTH);
        } catch (GoogleAuthException e) {
            Log.e(TAG, e.getMessage());
        }

        return token;
    }
}

我是这样称呼它的：

@Override
public void onConnected(Bundle connectionHint) {
    mSignInClicked = false;

    Person currentPerson = Plus.PeopleApi.getCurrentPerson(mGoogleApiClient);

    try {
        String accessToken = (new RetrieveTokenTask()).execute(Plus.AccountApi.getAccountName(mGoogleApiClient)).get();
    } catch (Exception ex) {
        Log.e(TAG, ex.getMessage());
    }
}

我的Android清单（以及其他）中有以下权限：

<uses-permission android:name="android.permission.GET_ACCOUNTS" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.USE_CREDENTIALS" />

问题是调用GoogleAuthUtil.getToken()时没有任何进展，只会卡在那里。我该如何解决这个问题？

Answer 1

The problem is that when calling GoogleAuthUtil.getToken(), there is no progress being made and it will just freeze there.

因为您正在调用 get() 方法 AsyncTask，这使得 Main UI 线程等待 doInBackground 计算未完成

How can I fix this?

调用execute方法执行AsyncTask，使用onPostExecute得到accessToken

GoogleAuthUtil.getToken() 块

GoogleAuthUtil.getToken() blocks

android

google-plus

google-plus-signin