我正在使用来自github的以下代码,但它显示以下错误:
toast that Cannot find DriveId. Are you authorized to view this file?
我不知道这背后的原因是什么。
我已经阅读了有关 Google 驱动器集成的分配,我想将 STRING 保存到 Google 驱动器中并进行检索,我使用了这个演示,但它给了我错误。请任何人为我提供演示以满足我的要求
/**
* Copyright 2013 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the
* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.gms.drive.sample.demo;
import java.io.IOException;
import java.io.OutputStream;
import android.content.Context;
import android.os.Bundle;
import android.util.Log;
import com.google.android.gms.common.api.ResultCallback;
import com.google.android.gms.drive.Drive;
import com.google.android.gms.drive.DriveApi.ContentsResult;
import com.google.android.gms.drive.DriveApi.DriveIdResult;
import com.google.android.gms.drive.DriveFile;
/**
* An activity to illustrate how to edit contents of a Drive file.
*/
public class EditContentsActivity extends BaseDemoActivity {
private static final String TAG = "EditContentsActivity";
@Override
public void onConnected(Bundle connectionHint) {
super.onConnected(connectionHint);
final ResultCallback<DriveIdResult> idCallback = new ResultCallback<DriveIdResult>() {
@Override
public void onResult(DriveIdResult result) {
if (!result.getStatus().isSuccess()) {
showMessage("Cannot find DriveId. Are you authorized to view this file?");
return;
}
DriveFile file = Drive.DriveApi.getFile(getGoogleApiClient(), result.getDriveId());
new EditContentsAsyncTask(EditContentsActivity.this).execute(file);
}
};
Drive.DriveApi.fetchDriveId(getGoogleApiClient(), EXISTING_FILE_ID)
.setResultCallback(idCallback);
}
public class EditContentsAsyncTask extends ApiClientAsyncTask<DriveFile, Void, Boolean> {
public EditContentsAsyncTask(Context context) {
super(context);
}
@Override
protected Boolean doInBackgroundConnected(DriveFile... args) {
DriveFile file = args[0];
try {
ContentsResult contentsResult = file.openContents(
getGoogleApiClient(), DriveFile.MODE_WRITE_ONLY, null).await();
if (!contentsResult.getStatus().isSuccess()) {
return false;
}
OutputStream outputStream = contentsResult.getContents().getOutputStream();
outputStream.write("Hello world".getBytes());
com.google.android.gms.common.api.Status status = file.commitAndCloseContents(
getGoogleApiClient(), contentsResult.getContents()).await();
return status.getStatus().isSuccess();
} catch (IOException e) {
Log.e(TAG, "IOException while appending to the output stream", e);
}
return false;
}
@Override
protected void onPostExecute(Boolean result) {
if (!result) {
showMessage("Error while editing contents");
return;
}
showMessage("Successfully edited contents");
}
}
}