我最近下载了Android Studio,我认为它有更多功能eclipse.
我创建了一个具有登录活动的新项目,但似乎活动出现错误:![在此处输入图像描述] [1]
**Error:(78, 31) error: cannot find symbol class Builder
Error:Execution failed for task ':app:compileDebugJava'.
> Compilation failed; see the compiler error output for details.**
import com.google.android.gms.plus.PlusClient;
// This is the helper object that connects to Google Play Services.
private PlusClient mPlusClient;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Initialize the PlusClient connection.
// Scopes indicate the information about the user your application will be able to access.
mPlusClient =
new PlusClient.Builder(this, this, …