Android Open Source - android-demos Edit Metadata Activity

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The source code is released under:

Apache License

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Java Source Code

/**
 * Copyright 2013 Google Inc. All Rights Reserved.
 */*from   w  ww.j a  va  2 s . c o m*/
 *  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 android.os.Bundle;

import com.google.android.gms.common.api.ResultCallback;
import com.google.android.gms.drive.Drive;
import com.google.android.gms.drive.DriveApi.DriveIdResult;
import com.google.android.gms.drive.DriveFile;
import com.google.android.gms.drive.DriveResource.MetadataResult;
import com.google.android.gms.drive.MetadataChangeSet;

/**
 * An activity to edit metadata of a file.
 */
public class EditMetadataActivity extends BaseDemoActivity {

    @Override
    public void onConnected(Bundle connectionHint) {
        super.onConnected(connectionHint);
        Drive.DriveApi.fetchDriveId(getGoogleApiClient(), EXISTING_FILE_ID)
                .setResultCallback(idCallback);
    }

    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());
            MetadataChangeSet changeSet = new MetadataChangeSet.Builder()
                    .setStarred(true)
                    .setIndexableText("Description about the file")
                    .setTitle("A new title").build();
            file.updateMetadata(getGoogleApiClient(), changeSet)
                    .setResultCallback(metadataCallback);
        }
    };

    final ResultCallback<MetadataResult> metadataCallback = new ResultCallback<MetadataResult>() {
        @Override
        public void onResult(MetadataResult result) {
            if (!result.getStatus().isSuccess()) {
                showMessage("Problem while trying to update metadata");
                return;
            }
            showMessage("Metadata successfully updated");
        }
    };
}

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