android前段组件中， 填表单，选择条目 的样式有很多， WheelView滚动组件为其中一种，如下图所示：

前两种大家很多都用过，  不过我修改了一下，弄出第三种，希望能帮助到大家：

贴代码：

EditText category = (EditText) findViewById(R.id.editCategory);

category.setOnClickListener(listener);

private OnClickListener listener = new OnClickListener() {

@Override

public void onClick(View v) {

// 创建会话框

final AlertDialog dialog = new AlertDialog.Builder(

Set_accountActivity.this).create();

dialog.setTitle("消费类别：");

// 创建布局

final LinearLayout ll = new LinearLayout(Set_accountActivity.this);

// 设置布局方式：水平

ll.setOrientation(LinearLayout.HORIZONTAL);

final WheelView category1 = new WheelView(Set_accountActivity.this);

category1.setVisibleItems(5);

category1.setCyclic(true);

category1.setAdapter(new ArrayWheelAdapter(category_str1));

final WheelView category2 = new WheelView(Set_accountActivity.this);

category2.setVisibleItems(5);

category2.setCyclic(true);

category2

.setAdapter(new ArrayWheelAdapter(category_str2[0]));

// 创建参数

LinearLayout.LayoutParams lp1 = new LinearLayout.LayoutParams(

LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);

lp1.gravity = Gravity.LEFT;

//lp1.weight = (float) 0.6;

LinearLayout.LayoutParams lp2 = new LinearLayout.LayoutParams(

LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);

lp2.weight = (float) 0.6;

lp2.gravity = Gravity.RIGHT;

lp2.leftMargin = 10;

ll.addView(category1, lp1);

ll.addView(category2, lp2);

// 为category1添加监听

category1.addChangingListener(new OnWheelChangedListener() {

public void onChanged(WheelView wheel, int oldValue,

int newValue) {

category2.setAdapter(new ArrayWheelAdapter(

category_str2[newValue]));

category2

.setCurrentItem(category_str2[newValue].length / 2);

}

});

// 为会话创建确定按钮

dialog.setButton("确定", new DialogInterface.OnClickListener() {

@Override

public void onClick(DialogInterface dialog, int which) {

String cat1 = category_str1[category1.getCurrentItem()];

String cat2 = category_str2[category1.getCurrentItem()][category2

.getCurrentItem()];

category.setText(cat1 + ">>" + cat2);

dialog.dismiss();

}

});

dialog.setButton2("取消", new DialogInterface.OnClickListener() {

@Override

public void onClick(DialogInterface dialog, int which) {

dialog.dismiss();

}

});

dialog.setView(ll);

dialog.show();

}

};

这个组件一般适用于前段选择固有项目 ， 核心代码是写好的，大家去搜索一下把源码下载下来就可以了；