Android Button Kullanımı
import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; public class MainActivity extends AppCompatActivity { private Button btn; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); btn= (Button)findViewById(R.id.btn_btn); btn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { //Butona basıldığında yapılacak komutlar } }); } }
<Button android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/btn_btn" android:text="Bluetooth" android:layout_margin="10dp" android:padding="10dp" tools:ignore="MissingConstraints" />