如何将 HashMap 的值映射到单选按钮
how to map value of HashMap onto RadioButtons
我是 Android 的新手,并尝试将 Text 设置到 RadioButons 上。我正在使用 Hashmap 方法从列表字符串 (HashMap) 中获取值。我能够在日志视图中显示值,但无法将文本显示到单选按钮上
请检查代码并提出解决方案
RelativeLayout layout = (RelativeLayout) findViewById(R.id.layout);
radioGroup = new RadioGroup(this);
final RelativeLayout.LayoutParams p = new RelativeLayout.LayoutParams(
RelativeLayout.LayoutParams.FILL_PARENT,
RelativeLayout.LayoutParams.WRAP_CONTENT);
for (Map.Entry<String, List<String>> entry : map.entrySet()) {
key = entry.getKey();
values = entry.getValue() != null;
System.out.println("Key = " + key);
System.out.println("Values = " + values + "n");
RadioButton radioButtonView = new RadioButton(this);
radioButtonView.setFreezesText(values);
radioGroup.addView(radioButtonView, p);
}
提前致谢
它可能对你有帮助,使用这段代码
final Hashtable<String, String> ht = new Hashtable<String, String>();
ht.put("player 1", "sachin");
ht.put("player 2", "sehwag");
ht.put("player 3", "dhoni");
final Enumeration<String> values = ht.keys();
while (values.hasMoreElements()) {
String str = (String) values.nextElement();
System.out.println(str + ":" + ht.get(str));
RadioButton radioButtonView = new RadioButton(this);
radioButtonView.setText(ht.get(str));
selectedId = radioGroup.getCheckedRadioButtonId();
radioGroup.addView(radioButtonView, p);
}
我是 Android 的新手,并尝试将 Text 设置到 RadioButons 上。我正在使用 Hashmap 方法从列表字符串 (HashMap) 中获取值。我能够在日志视图中显示值,但无法将文本显示到单选按钮上
请检查代码并提出解决方案
RelativeLayout layout = (RelativeLayout) findViewById(R.id.layout);
radioGroup = new RadioGroup(this);
final RelativeLayout.LayoutParams p = new RelativeLayout.LayoutParams(
RelativeLayout.LayoutParams.FILL_PARENT,
RelativeLayout.LayoutParams.WRAP_CONTENT);
for (Map.Entry<String, List<String>> entry : map.entrySet()) {
key = entry.getKey();
values = entry.getValue() != null;
System.out.println("Key = " + key);
System.out.println("Values = " + values + "n");
RadioButton radioButtonView = new RadioButton(this);
radioButtonView.setFreezesText(values);
radioGroup.addView(radioButtonView, p);
}
提前致谢
它可能对你有帮助,使用这段代码
final Hashtable<String, String> ht = new Hashtable<String, String>();
ht.put("player 1", "sachin");
ht.put("player 2", "sehwag");
ht.put("player 3", "dhoni");
final Enumeration<String> values = ht.keys();
while (values.hasMoreElements()) {
String str = (String) values.nextElement();
System.out.println(str + ":" + ht.get(str));
RadioButton radioButtonView = new RadioButton(this);
radioButtonView.setText(ht.get(str));
selectedId = radioGroup.getCheckedRadioButtonId();
radioGroup.addView(radioButtonView, p);
}