从Android客户端连接到Google Cloud Storage的正确方式

implementation 'com.google.cloud:google-cloud-storage:1.128.0'

import com.google.auth.oauth2.GoogleCredentials;
import com.google.cloud.storage.Blob;
import com.google.cloud.storage.BlobId;
import com.google.cloud.storage.BlobInfo;
import com.google.cloud.storage.Storage;
import com.google.cloud.storage.StorageOptions;

import java.io.FileInputStream;
import java.io.IOException;

public class MainActivity extends AppCompatActivity {

    private static final String BUCKET_NAME = "your-bucket-name";
    private static final String FILE_NAME = "your-file-name";
    private static final String SERVICE_ACCOUNT_KEY_PATH = "path-to-your-service-account-key.json";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        try {
            // 从服务账号密钥文件中创建Google凭据
            GoogleCredentials credentials = GoogleCredentials.fromStream(new FileInputStream(SERVICE_ACCOUNT_KEY_PATH));

            // 创建Google Cloud Storage客户端
            Storage storage = StorageOptions.newBuilder().setCredentials(credentials).build().getService();

            // 上传文件到Google Cloud Storage
            BlobId blobId = BlobId.of(BUCKET_NAME, FILE_NAME);
            BlobInfo blobInfo = BlobInfo.newBuilder(blobId).build();
            Blob blob = storage.create(blobInfo, "Hello, Cloud Storage!".getBytes());

            // 下载文件
            byte[] content = blob.getContent();

            // 打印文件内容
            Log.d("MainActivity", new String(content));
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}