Contador de Puntos para BasketBall

MainActivity.java

package com.example.android.courtcounter;

import android.os.ParcelUuid;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {
    int scoreTeamA = 0;
    int scoreTeamB = 0;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        displayForTeamA(0);
    }
    //This method is called when the order button is clicked.
    public void resetea(View view) {
        scoreTeamA = 0;
        scoreTeamB = 0;
        displayForTeamA(scoreTeamA);
        displayForTeamB(scoreTeamB);
    }
    //This method is called when the order button is clicked.
    public void SumaTresTeamA(View view) {
     scoreTeamA= scoreTeamA+ 3;
     displayForTeamA(scoreTeamA);
    }
    //This method is called when the order button is clicked.
    public void SumaDosTeamA(View view) {
        scoreTeamA= scoreTeamA+ 2;
        displayForTeamA(scoreTeamA);
    }
    public void SumaUnoTeamA(View view) {
        scoreTeamA= scoreTeamA+ 1;
        displayForTeamA(scoreTeamA);
    }
    // Suma uno para el scoreTeamB
    public void SumaTresTeamB(View view){
        scoreTeamB = scoreTeamB + 3;
        displayForTeamB(scoreTeamB);
    }
    // Suma uno para el scoreTeamB
    public void SumaDosTeamB(View view){
        scoreTeamB = scoreTeamB + 2;
        displayForTeamB(scoreTeamB);
    }
    // Suma uno para el scoreTeamB
    public void SumaUnoTeamB(View view){
        scoreTeamB = scoreTeamB + 1;
        displayForTeamB(scoreTeamB);
    }
    //     * Displays the given scoreTeamAfor Team A.
    public void displayForTeamA(int score) {
        TextView scoreView = (TextView) findViewById(R.id.team_a_score);
        scoreView.setText(String.valueOf(score));
    }
    //     * Displays the given scoreTeamAfor Team B.
    public void displayForTeamB(int score) {
        TextView scoreView = (TextView) findViewById(R.id.team_b_score);
        scoreView.setText(String.valueOf(score));
    }
}