package jp.javadrive.android; import android.app.Activity; import android.os.Bundle; import android.widget.LinearLayout; import android.view.View; import android.view.ViewGroup; import android.widget.Button; import android.view.View.OnClickListener; public class Test04_01 extends Activity implements OnClickListener{ private final int WRAP_CONTENT = ViewGroup.LayoutParams.WRAP_CONTENT; private int count1; private int count2; private Button button1; private Button button2; @Override protected void onCreate(Bundle icicle) { super.onCreate(icicle); count1 = 0; count2 = 0; LinearLayout linearLayout = new LinearLayout(this); linearLayout.setOrientation(LinearLayout.HORIZONTAL); setContentView(linearLayout); button1 = new Button(this); button1.setText("Count"); button1.setOnClickListener(this); linearLayout.addView(button1, new LinearLayout.LayoutParams(WRAP_CONTENT, WRAP_CONTENT)); button2 = new Button(this); button2.setText("Count"); button2.setOnClickListener(this); linearLayout.addView(button2, new LinearLayout.LayoutParams(WRAP_CONTENT, WRAP_CONTENT)); } public void onClick(View v) { if (v == button1){ count1++; button1.setText("Count:" + count1); }else if (v == button2){ count2++; button2.setText("Count:" + count2); } } }