update,

_resources/it114105/itp4501/Assignment/21-22/tictacteo/MainActivity.java

@@ -0,0 +1,67 @@
+package com.game.tictacteo;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+
+public class MainActivity extends AppCompatActivity {
+
+    Button btnStartGame;
+    Button btnRanking;
+    Button btnRecords;
+    Button btnClose;
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        btnStartGame = (Button) findViewById(R.id.btnPlay);
+        btnRanking = (Button) findViewById(R.id.btnRanking);
+        btnRecords = (Button) findViewById(R.id.btnRec);
+        btnClose = (Button) findViewById(R.id.btnClose);
+
+        // Start game
+        btnStartGame.setOnClickListener( new View.OnClickListener() {
+
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent( MainActivity.this, GameActivity.class);
+                startActivity(intent);
+            }
+        });
+
+        // Game Ranking
+        btnRanking.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Intent intent = new Intent( MainActivity.this, RankingActivity.class);
+                startActivity(intent);
+            }
+        });
+
+        // Your Records
+        btnRecords.setOnClickListener( new View.OnClickListener() {
+
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent( MainActivity.this, RecordActivity.class);
+                startActivity(intent);
+
+            }
+        });
+
+        // Close
+        btnClose.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                System.out.println("click");
+                finish();
+            }
+        });
+    }
+}