package com.leer.myoschina;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

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

@@ -345,16 +345,77 @@
 _main);%0A
+        Toast.makeText(this,%22hahah%22,Toast.LENGTH_LONG).show;%0A
     %7D%0A%7D%0A

Update MainActivity.java