package com.example.josh.tictactoe; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.TextView; public class MainActivity extends AppCompatActivity { public String team = "X"; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Button b1 = (Button) findViewById(R.id.b1); Button b2 = (Button) findViewById(R.id.b2); Button b3 = (Button) findViewById(R.id.b3); Button b4 = (Button) findViewById(R.id.b4); Button b5 = (Button) findViewById(R.id.b5); Button b6 = (Button) findViewById(R.id.b6); Button b7 = (Button) findViewById(R.id.b7); Button b8 = (Button) findViewById(R.id.b8); Button b9 = (Button) findViewById(R.id.b9); TextView tTeam = (TextView) findViewById(R.id.tTeam); buttonListener(b1); buttonListener(b2); buttonListener(b3); buttonListener(b4); buttonListener(b5); buttonListener(b6); buttonListener(b7); buttonListener(b8); buttonListener(b9); } public void swapTeam (){//changing public variables eeeeewy if(team.equals("X")) team = "0"; else team = "X"; } public void buttonListener(final Button button){ button.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { if (button.getText().equals(" ")) { button.setText(team); swapTeam(); } } }); } }