该应用程序在“Google Api控制台”中注册为“已安装的应用程序” – 似乎这是Android应用程序的正确设置,不是吗?
所以我确实有一个Client-Id而且没有Secret-Id.要说清楚:它不是Web应用程序,也不是Google Drive-App–它是一个Android应用程序,用于访问Google云端硬盘云中的其他用户数据.
在应用程序中我获取帐户(工作),我确实请求令牌(工作).现在,我想使用该令牌和Client-Id连接到Google云端硬盘.结果是“401,无效凭证”.这段代码出了什么问题?
public class ActivityMain extends Activity implements DialogInterface.OnClickListener {
// https://developers.google.com/drive/scopes
private static final String AUTH_TOKEN_TYPE = "oauth2:https://www.googleapis.com/auth/drive";
// https://code.google.com/apis/console/
private static final String CLIENT_ID = "999999999999999.apps.googleusercontent.com";
private AccountManager accountManager;
private Account[] accounts;
private String authName;
private String authToken;
@Override
public void onClick(final DialogInterface dialogInterface, final int item) {
processAccountSelected(accounts[item]);
}
@Override
public void onCreate(final Bundle bundle) {
super.onCreate(bundle);
setContentView(R.layout.activitymain);
accountManager = AccountManager.get(this);
accounts = accountManager.getAccountsByType("com.google");
if (accounts == null || accounts.length == 0) {
// Todo
} else if (accounts.length == 1) {
processAccountSelected(accounts[0]);
} else if (accounts.length > 1) {
showDialog(MyConstants.DIALOG_ACCOUNTCHOSER);
}
}
@Override
protected Dialog onCreateDialog(final int id) {
switch (id) {
case MyConstants.DIALOG_ACCOUNTCHOSER:
AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this);
String[] names = new String[accounts.length];
for (int i = 0; i < accounts.length; i++) {
names[i] = accounts[i].name;
}
alertDialogBuilder.setItems(names, this);
alertDialogBuilder.setTitle("Select a Google account");
return alertDialogBuilder.create();
}
return null;
}
private void processAccountSelected(final Account account) {
if (account != null) {
authName = account.name.toString();
if (!Tools.isEmpty(authName)) {
Toast.makeText(this, authName, Toast.LENGTH_LONG).show();
accountManager.getAuthToken(account, AUTH_TOKEN_TYPE, null, this,
new AccountManagerCallback<Bundle>() {
public void run(final AccountManagerFuture<Bundle> future) {
try {
authToken = future.getResult().getString(
AccountManager.KEY_AUTHTOKEN);
processtokenReceived();
} catch (OperationCanceledException exception) {
// Todo
} catch (Exception exception) {
Log.d(this.getClass().getName(), exception.getMessage());
}
}
}, null);
}
}
}
private void processListFiles(final Drive drive) {
List<File> result = new ArrayList<File>();
Files.List request = null;
try {
request = drive.files().list();
} catch (IOException exception) {
}
do {
try {
FileList files = request.execute();
result.addAll(files.getItems());
request.setPagetoken(files.getNextPagetoken());
} catch (IOException exception) {
// --> 401 invalid credentials
}
} while (request.getPagetoken() != null && request.getPagetoken().length() > 0);
}
private void processtokenReceived() {
if (!Tools.isEmpty(authToken)) {
final HttpTransport transport = AndroidHttp.newCompatibleTransport();
final JsonFactory jsonFactory = new GsonFactory();
GoogleCredential credential = new GoogleCredential();
credential.setAccesstoken(authToken);
Drive drive = new Drive.Builder(transport, jsonFactory, credential)
.setApplicationName(getString(R.string.txt_appname))
.setJsonHttpRequestinitializer(new GoogleKeyInitializer(CLIENT_ID))
.build();
if (drive != null) {
processListFiles(drive);
}
}
}
}
我不得不说这是一堆乱七八糟的东西.网页上有很多页面只显示部分,有很多页面使用弃用,缺失或不同的方法来做同样的事情.在我看来,有两个页面显示了从Android应用中从Google云端硬盘获取数据的相同方式.
任何帮助都非常感谢.
编辑:我可以自己解决.这是不同变化的组合:
>必须设置android:minSdkVersion =“11”作为要求
>不得不使用当前的库:google-api-client-1.11.0-beta.jar,google-api-client-android-1.11.0-beta.jar,google-api-services-drive-v2-rev9- 1.8.0-beta.jar,google-http-client-1.11.0-beta.jar,google-http-client-android-1.11.0-beta.jar,google-http-client-gson-1.11.0- beta.jar,google-http-client-jackson2-1.11.0-beta.jar,google-oauth-client-1.11.0-beta.jar,gson-2.1.jar,guava-11.0.1.jar,jackson- core-2.0.5.jar,jsr305-1.3.9.jar
这是获取Drive对象的当前部分:
GoogleCredential credential = new GoogleCredential();
credential.setAccesstoken(authToken);
HttpTransport transport = AndroidHttp.newCompatibleTransport();
JsonFactory jsonFactory = new AndroidJsonFactory();
drive = new Drive.Builder(transport, jsonFactory, credential)
.setApplicationName(getString(R.string.txt_appname))
.setJsonHttpRequestinitializer(
new GoogleKeyInitializer(APIKEY_SIMPLE))
.build();
if (drive != null) {
}
解决方法:
是的,文档很难流行.
只是改变
new GoogleKeyInitializer(CLIENT_ID)
至
new GoogleKeyInitializer(SIMPLE_API_ACCESS_KEY)
它应该工作.
您可以在API访问页面的简单API访问部分(API密钥)下的Google APIs Console中找到您的SIMPLE_API_ACCESS_KEY.如果此部分不可用,则必须先在“服务”页面上激活Drive API访问权限.