/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.example.android.apis.view; import com.example.android.apis.R; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.TextView; import android.widget.RadioGroup; import android.widget.Button; import android.widget.RadioButton; import android.widget.LinearLayout; public class RadioGroup1 extends Activity implements RadioGroup.OnCheckedChangeListener, View.OnClickListener { private TextView mChoice; private RadioGroup mRadioGroup; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.radio_group_1); mRadioGroup = (RadioGroup) findViewById(R.id.menu); // test adding a radio button programmatically RadioButton newRadioButton = new RadioButton(this); newRadioButton.setText(R.string.radio_group_snack); newRadioButton.setId(R.id.snack); LinearLayout.LayoutParams layoutParams = new RadioGroup.LayoutParams( RadioGroup.LayoutParams.WRAP_CONTENT, RadioGroup.LayoutParams.WRAP_CONTENT); mRadioGroup.addView(newRadioButton, 0, layoutParams); // test listening to checked change events String selection = getString(R.string.radio_group_selection); mRadioGroup.setOnCheckedChangeListener(this); mChoice = (TextView) findViewById(R.id.choice); mChoice.setText(selection + mRadioGroup.getCheckedRadioButtonId()); // test clearing the selection Button clearButton = (Button) findViewById(R.id.clear); clearButton.setOnClickListener(this); } public void onCheckedChanged(RadioGroup group, int checkedId) { String selection = getString(R.string.radio_group_selection); String none = getString(R.string.radio_group_none); mChoice.setText(selection + (checkedId == View.NO_ID ? none : checkedId)); } public void onClick(View v) { mRadioGroup.clearCheck(); } }