我既不熟悉kotlin也不熟悉您正在使用的方法。我正在告诉您文档中确切提到并且我熟悉的方式。
//Starts the sign-in process and initializes the Drive client.
public void signIn() {
GoogleSignInOptions signInOptions = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
.requestScopes(Drive.SCOPE_FILE)
.requestScopes(Drive.SCOPE_APPFOLDER)
.build();
GoogleSignInClient googleSignInClient = GoogleSignIn.getClient(this, signInOptions);
startActivityForResult(googleSignInClient.getSignInIntent(), REQUEST_CODE_SIGN_IN);
}
/**
* Handles resolution callbacks.
*/
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == REQUEST_CODE_SIGN_IN) {
if (resultCode == RESULT_OK) {
initializeDriveClient(GoogleSignIn.getLastSignedInAccount(this));
} else if (resultCode == RESULT_CANCELED) {
Snackbar.make(findViewById(R.id.fab), R.string.sign_in_alert, Snackbar.LENGTH_SHORT).show();
}else{
Snackbar.make(findViewById(R.id.fab), R.string.sign_fail, Snackbar.LENGTH_SHORT).show();
}
}
}
/**
* Continues the sign-in process, initializing the DriveResourceClient with the current
* user's account.
*/
private void initializeDriveClient(GoogleSignInAccount signInAccount) {
mDriveResourceClient = Drive.getDriveResourceClient(getApplicationContext(), signInAccount);
mDriveResourceClient.getAppFolder().addOnSuccessListener(new OnSuccessListener<DriveFolder>() {
@Override
public void onSuccess(DriveFolder driveFolder) {
onDriveClientReady();
// CONTINUE THE TASK
}
});
}
abstract void onDriveClientReady();
现在,把它放在一个abstract活动类中,然后从Main Activity Class扩展它。
此代码是异常安全的,如果用户取消登录,您将能够终止到达下一行代码onActivityResult。将向用户显示登录选项,选择一个帐户进行登录. 如果它出现RESULT_OK在onActivityResult,则表示他已登录。
下一行代码将尝试DriveClient异步初始化(这里我想要appfolder唯一的,所以尝试了getAppFolder,Drive.SCOPE_APPFOLDER你会根据需要设置它。)。成功初始化驱动客户端后,您将获得DriveFolderfromonSuccess方法。
依赖项
implementation('com.google.api-client:google-api-client-android:1.23.0') {
exclude group: 'org.apache.httpcomponents'
}
implementation('com.google.apis:google-api-services-drive:v3-rev114-1.23.0') {
exclude group: 'org.apache.httpcomponents'
}
implementation 'com.google.android.gms:play-services-auth:15.0.1'
implementation 'com.google.android.gms:play-services-drive:15.0.1'
进一步的帮助和文档
注意
我总是备份我的应用程序代码。如果您想查看我正在使用的整个课程,请参阅: