我想上传一个文本文件或任何Android应用程序中的任何文件到google drive.i我正在使用下面的代码。但它不工作proporly.can任何人请帮助我。如何解决这个问题。
这是主要活动
package com.intel.driveapp;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import android.accounts.AccountManager;
import android.content.ContentResolver;
import android.content.Context;
import android.content.ContextWrapper;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.api.client.extensions.android.http.AndroidHttp;
import com.google.api.client.googleapis.extensions.android.gms.auth.GoogleAccountCredential;
import com.google.api.client.googleapis.extensions.android.gms.auth.UserRecoverableAuthIOException;
import com.google.api.client.http.FileContent;
import com.google.api.client.http.GenericUrl;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.json.JsonFactory;
import com.google.api.client.json.gson.GsonFactory;
import com.google.api.services.drive.Drive;
import com.google.api.services.drive.DriveScopes;
import com.google.api.services.drive.model.File;
public class MainActivity extends Activity
{
static final int REQUEST_ACCOUNT_PICKER = 1;
static final int REQUEST_AUTHORIZATION = 2;
static final int RESULT_STORE_FILE = 4;
private static Uri mFileUri;
private Drive mService;
private GoogleAccountCredential mCredential;
private Context mContext;
private List<File> mResultList;
private ListView mListView;
private String[] mFileArray;
private String mDLVal;
private ArrayAdapter mAdapter;
private final HttpTransport m_transport = AndroidHttp.newCompatibleTransport();
private final JsonFactory m_jsonFactory = GsonFactory.getDefaultInstance();
GoogleApiClient mGoogleApiClient;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
// Connect to Google Drive
mCredential = GoogleAccountCredential.usingOAuth2(this, Arrays.asList(DriveScopes.DRIVE));
mService = new com.google.api.services.drive.Drive.Builder(
m_transport, m_jsonFactory, mCredential).setApplicationName("AppName/1.0")
.build();
startActivityForResult(mCredential.newChooseAccountIntent(), REQUEST_ACCOUNT_PICKER);
mContext = getApplicationContext();
setContentView(R.layout.activity_main);
mListView = (ListView) findViewById(R.id.listView1);
OnItemClickListener mMessageClickedHandler = new OnItemClickListener()
{
public void onItemClick(AdapterView parent, View v, int position, long id)
{
downloadItemFromList(position);
}
};
mListView.setOnItemClickListener(mMessageClickedHandler);
final Button button = (Button) findViewById(R.id.button1);
button.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v)
{
final Intent galleryIntent = new Intent(Intent.ACTION_PICK);
galleryIntent.setType("*/*");
startActivityForResult(galleryIntent, RESULT_STORE_FILE);
}
});
final Button button2 = (Button) findViewById(R.id.button2);
button2.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v)
{
getDriveContents();
}
});
}
private void getDriveContents()
{
Thread t = new Thread(new Runnable()
{
@Override
public void run()
{
mResultList = new ArrayList<File>();
com.google.api.services.drive.Drive.Files f1 = mService.files();
com.google.api.services.drive.Drive.Files.List request = null;
do
{
try
{
request = f1.list();
request.setQ("trashed=false");
com.google.api.services.drive.model.FileList fileList = request.execute();
mResultList.addAll(fileList.getItems());
request.setPageToken(fileList.getNextPageToken());
} catch (UserRecoverableAuthIOException e) {
startActivityForResult(e.getIntent(), REQUEST_AUTHORIZATION);
} catch (IOException e) {
e.printStackTrace();
if (request != null)
{
request.setPageToken(null);
}
}
} while (request.getPageToken() !=null && request.getPageToken().length() > 0);
populateListView();
}
});
t.start();
}
private void downloadItemFromList(int position)
{
mDLVal = (String) mListView.getItemAtPosition(position);
showToast("You just pressed: " + mDLVal);
Thread t = new Thread(new Runnable()
{
@Override
public void run()
{
for(File tmp : mResultList)
{
if (tmp.getTitle().equalsIgnoreCase(mDLVal))
{
if (tmp.getDownloadUrl() != null && tmp.getDownloadUrl().length() >0)
{
try
{
com.google.api.client.http.HttpResponse resp =
mService.getRequestFactory()
.buildGetRequest(new GenericUrl(tmp.getDownloadUrl()))
.execute();
InputStream iStream = resp.getContent();
try
{
final java.io.File file = new java.io.File(Environment
.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).getPath(),
tmp.getTitle());
showToast("Downloading: " + tmp.getTitle() + " to " + Environment
.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).getPath());
storeFile(file, iStream);
} finally {
iStream.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}
});
t.start();
}
private void populateListView()
{
runOnUiThread(new Runnable()
{
@Override
public void run()
{
mFileArray = new String[mResultList.size()];
int i = 0;
for(File tmp : mResultList)
{
mFileArray[i] = tmp.getTitle();
i++;
}
mAdapter = new ArrayAdapter<String>(mContext, android.R.layout.simple_list_item_1, mFileArray);
mListView.setAdapter(mAdapter);
}
});
}
private void storeFile(java.io.File file, InputStream iStream)
{
try
{
final OutputStream oStream = new FileOutputStream(file);
try
{
try
{
final byte[] buffer = new byte[1024];
int read;
while ((read = iStream.read(buffer)) != -1)
{
oStream.write(buffer, 0, read);
}
oStream.flush();
} finally {
oStream.close();
}
} catch (Exception e) {
e.printStackTrace();
}
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
protected void onActivityResult(final int requestCode, final int resultCode, final Intent data)
{
switch (requestCode)
{
case REQUEST_ACCOUNT_PICKER:
if (resultCode == RESULT_OK && data != null && data.getExtras() != null)
{
String accountName = data.getStringExtra(AccountManager.KEY_ACCOUNT_NAME);
if (accountName != null) {
mCredential.setSelectedAccountName(accountName);
mService = getDriveService(mCredential);
}
}
break;
case REQUEST_AUTHORIZATION:
if (resultCode == Activity.RESULT_OK) {
//account already picked
} else {
startActivityForResult(mCredential.newChooseAccountIntent(), REQUEST_ACCOUNT_PICKER);
}
break;
case RESULT_STORE_FILE:
mFileUri = data.getData();
// Save the file to Google Drive
saveFileToDrive();
break;
}
}
private Drive getDriveService(GoogleAccountCredential credential) {
return new Drive.Builder(AndroidHttp.newCompatibleTransport(), new GsonFactory(), credential)
.build();
}
private void saveFileToDrive()
{
Thread t = new Thread(new Runnable()
{
@Override
public void run()
{
try
{
/*Context context;
String currentDBPath = "//data//" + context.getPackageName()
+ "//databases//" + databaseName + "";*/
// Create URI from real path
String path;
path = getPathFromUri(mFileUri);
mFileUri = Uri.fromFile(new java.io.File(path));
ContentResolver cR = MainActivity.this.getContentResolver();
// File's binary content
java.io.File fileContent = new java.io.File(mFileUri.getPath());
FileContent mediaContent = new FileContent(cR.getType(mFileUri), fileContent);
showToast("Selected " + mFileUri.getPath() + "to upload");
// File's meta data.
File body = new File();
body.setTitle(fileContent.getName());
body.setMimeType("text/plain");
com.google.api.services.drive.Drive.Files f1 = mService.files();
com.google.api.services.drive.Drive.Files.Insert i1 = f1.insert(body, mediaContent);
File file = i1.execute();
if (file != null)
{
showToast("Uploaded: " + file.getTitle());
}
} catch (UserRecoverableAuthIOException e) {
startActivityForResult(e.getIntent(), REQUEST_AUTHORIZATION);
} catch (IOException e) {
e.printStackTrace();
showToast("Transfer ERROR: " + e.toString());
}
}
});
t.start();
}
public void showToast(final String toast) {
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(getApplicationContext(), toast, Toast.LENGTH_SHORT).show();
}
});
}
public String getPathFromUri(Uri uri)
{
String[] projection = { MediaStore.Images.Media.DATA };
Cursor cursor = getContentResolver().query(uri, projection, null, null, null);
int column_index = cursor
.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
cursor.moveToFirst();
return cursor.getString(column_index);
}
}
但是当我上传图片时，它会显示哪个图片被选中，但之后会显示一个Toast消息 转移错误：com.google.api.client.googleapis.extentions.amdroid.gms.auth.GoogleAuthIOException