package com.example.clicker; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.TextClock; import android.widget.TextView; public class MainActivity extends AppCompatActivity { TextView mainText; Button mainBtn; private long score = 0; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mainText = (TextView) findViewById(R.id.mainText); mainBtn = (Button) findViewById(R.id.button); View.OnClickListener clickListener = new View.OnClickListener() { @Override public void onClick(View v) { score ++; String s = "Кликов: " + score; mainText.setText(s.toCharArray(),0, s.length()); } }; mainBtn.setOnClickListener(clickListener); } }