学步园

//弹出一个列表框，有标题，并且每一个元素占一行
final CharSequence[] items = { "Red", "Green", "Blue" };
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("Pick a color");
builder.setItems(items, new DialogInterface.OnClickListener() {
    public void onClick(DialogInterface dialog, int item) {
        Toast.makeText(getApplicationContext(), items[item],
                Toast.LENGTH_SHORT).show();
    }
});
builder.show();

//弹出一个列表框，有标题，并且每一个元素占一行，每个元素都有一个单选按钮
final CharSequence[] items = { "Red", "Green", "Blue" };
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("Pick a color");
builder.setSingleChoiceItems(items, -1,
        new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int item) {
                Toast.makeText(getApplicationContext(),
                        items[item], Toast.LENGTH_SHORT).show();
            }
        });
builder.show();