android studio 没有提示RegitserPage这个代码

Question

public class MccoActivity extends AppCompatActivity {
   Button bt;
   String APPKEY="1d09c6ab2b19d";
   String APPSECRETE="e505b4de4b84e55f8a6aad162d06a83e";
   @Override
   protected void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.activity_mcco);
    SMSSDK.initSDK(this,APPKEY,APPSECRETE);
       bt=(Button) findViewById(R.id.button1);
       bt.setOnClickListener(new View.OnClickListener() {
           @Override
           public void onClick(View v) {
            RegisterPage（显示错误）

Answer 1

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

Answer 2

RegisterPage 是啥？

Answer 3

自定义的类？