要从Google Drive共享视频链接获取ExoPlayer的真实视频URL,你需要通过以下步骤:
以下是一个使用Google Drive API获取真实视频URL的示例代码:
import com.google.api.client.googleapis.json.GoogleJsonResponseException;
import com.google.api.client.http.HttpRequestInitializer;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.services.drive.Drive;
import com.google.api.services.drive.DriveScopes;
import com.google.api.services.drive.model.File;
import com.google.api.services.drive.model.FileList;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.util.Collections;
public class GoogleDriveHelper {
private static final String APPLICATION_NAME = "Google Drive API Java Quickstart";
private static final JsonFactory JSON_FACTORY = JacksonFactory.getDefaultInstance();
private static final String TOKENS_DIRECTORY_PATH = "tokens";
private static final List<String> SCOPES = Collections.singletonList(DriveScopes.DRIVE_FILE);
public static void main(String[] args) throws IOException, GeneralSecurityException {
final NetHttpTransport HTTP_TRANSPORT = new NetHttpTransport();
GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(
HTTP_TRANSPORT, JSON_FACTORY, CLIENT_ID, CLIENT_SECRET, SCOPES)
.setDataStoreFactory(new FileDataStoreFactory(new java.io.File(TOKENS_DIRECTORY_PATH)))
.setAccessType("offline")
.build();
LocalServerReceiver receiver = new LocalServerReceiver.Builder().setPort(8888).build();
Credential credential = flow.newAuthorizationUrl().setRedirectUri(STANDARD_REDIRECT_URI).build().execute();
System.out.println("Paste this URL into a web browser: " + credential.getAuthorizationUrl());
credential = new AuthorizationCodeInstalledApp(flow, receiver).authorize("user");
Drive service = new Drive.Builder(HTTP_TRANSPORT, JSON_FACTORY, credential)
.setApplicationName(APPLICATION_NAME)
.build();
String fileId = "YOUR_FILE_ID";
File file = service.files().get(fileId).execute();
String webViewLink = file.getWebViewLink();
String downloadUrl = file.getDownloadUrl();
if (downloadUrl != null) {
System.out.println("Real URL: " + downloadUrl);
} else {
System.out.println("Cannot retrieve real URL.");
}
}
}
通过以上步骤和示例代码,你应该能够成功获取Google Drive共享视频链接的真实URL,并使用ExoPlayer进行播放。
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