Разработка мобильных приложений. Соколова В.В. - 151 стр.

UptoLike

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import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.RadioGroup.OnCheckedChangeListener;
import android.widget.Toast;
public class MainActivity extends Activity
implements OnCheckedChangeListener
{
private RadioGroup mRadioGroup;
private Button mButton1, mButton2;
private EditText mEditText;
private OnClickListener mButtonListener = new OnClick-
Listener() {
@Override
public void onClick(View v) {
int id = v.getId();
switch (id) {
case R.id.button1:
String text = mEdit-
Text.getText().toString();
Toast.makeText(getApplicationContext(),
text, Toast.LENGTH_SHORT).show();
break;
case R.id.button2:
mEditText.setText("");
break;
}
}
};
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mRadioGroup = (RadioGroup) findViewById(R.id.rg);
mRadioGroup.setOnCheckedChangeListener(this);
mButton1 = (Button) findViewById(R.id.button1);
mButton1.setOnClickListener(mButtonListener);
mButton2 = (Button) findViewById(R.id.button2);
mButton2.setOnClickListener(mButtonListener);
mEditText = (EditText) findViewById(R.id.editText1);
}
@Override

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