Final

app/src/main/java/com/example/tictactoeapplut/MainActivity.java

@@ -0,0 +1,50 @@
+package com.example.tictactoeapplut;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.widget.TextView;
+
+public class MainActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        TextView description = (TextView) findViewById(R.id.textView2);
+        TextView link = (TextView) findViewById(R.id.textView3);
+        description.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Uri lut = Uri.parse((String)"https://www.lut.fi/en");
+                Intent toLUT = new Intent(Intent.ACTION_VIEW, lut);
+                if (toLUT.resolveActivity(getPackageManager()) != null) {
+                    startActivity(toLUT);
+                }
+            }
+        });
+        link.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Uri github = Uri.parse((String)"https://github.com/AndrewTrieu/tictactoeapp");
+                Intent toGitHub = new Intent(Intent.ACTION_VIEW, github);
+                if (toGitHub.resolveActivity(getPackageManager()) != null) {
+                    startActivity(toGitHub);
+                }
+            }
+        });
+    }
+
+    public void startClick(View view){
+        Intent intent = new Intent(this, Prepare.class);
+        startActivity(intent);
+    }
+    public void recordClick(View view){
+        Intent intent = new Intent(this, ListDataActivity.class);
+        startActivity(intent);
+    }
+}