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android 之 Spinner 下拉菜单实现级联
来源:互联网   发布日期:2015-10-02 15:59:16   浏览:918次  

导读:效果图如下:默认第一次加载选择原始队列:级联效果图:猀键代码给下拉列表选中事件监听绑定Id :[html] 眀眀眀.2cto.comint pos = firstha...

效果图如下:

默认第一次加载

选择原始队列:

级联效果图:

关键代码给下拉列表选中事件监听绑定Id :

[html]www.2cto.com

int pos = firsthand_dlbh_pinner.getSelectedItemPosition();

firsthand_pdbh_adapter = new ArrayAdapter<String>(context,

android.R.layout.simple_spinner_item, queu_info[pos]);

firsthand_pdbh_spinner.setAdapter(firsthand_pdbh_adapter);

完整代码:

布局文件代码:

[html]

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:orientation="vertical" >

<TextView

android:id="@+id/firsthand_dlbh"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:layout_marginLeft="60sp"

android:layout_marginTop="20sp" >

</TextView>

<Spinner

android:id="@+id/firsthand_dlbh_pinner"

android:layout_width="200sp"

android:layout_height="wrap_content"

android:layout_marginLeft="60sp"

android:layout_marginTop="20sp" >

</Spinner>

<TextView

android:id="@+id/firsthand_pdbh"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:layout_marginLeft="60sp"

android:layout_marginTop="20sp" >

</TextView>

<Spinner

android:id="@+id/firsthand_pdbh_pinner"

android:layout_width="200sp"

android:layout_height="wrap_content"

android:layout_marginLeft="60sp"

android:layout_marginTop="20sp" >

</Spinner>

<TextView

android:id="@+id/target_dlbh"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:layout_marginLeft="60sp"

android:layout_marginTop="20sp" >

</TextView>

<Spinner

android:id="@+id/target_dlbh_spinner"

android:layout_width="200sp"

android:layout_height="wrap_content"

android:layout_marginLeft="60sp"

android:layout_marginTop="20sp" >

</Spinner>

<Button

android:id="@+id/diff_manage_operation"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_marginLeft="100sp"

android:layout_marginTop="20sp"

android:text="执行调度"

android:textSize="18sp" >

</Button>

</LinearLayout>

JAVA 程序代码:

[java]

import android.app.Activity;

import android.content.Context;

import android.os.Bundle;

import android.view.Menu;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.AdapterView;

import android.widget.ArrayAdapter;

import android.widget.Button;

import android.widget.Spinner;

import android.widget.TextView;

import android.widget.AdapterView.OnItemSelectedListener;

public class ManageInfo_Activity extends Activity implements OnClickListener {

private Context context;

private static final String[] queuilist = { "A999", "B888" };

private static final String[] default_linfo = { "A01", "A02", "A03", "A04",

"A05", "A06", "A07", "A08", "A09", "A10", "A11" };

private static final String[][] queu_info = new String[][] {

{ "A01", "A02", "A03", "A04", "A05", "A06", "A07", "A08", "A09",

"A10", "A11" },

{ "B01", "B02", "B03", "B04", "B05", "B06", "B07", "B08", "B09",

"B10", "B11" } };

private TextView firsthand_dlbh_view;

private Spinner firsthand_dlbh_pinner;

private ArrayAdapter<String> firsthand_dlbh_adapter;

private TextView firsthand_pdbh_view;

private Spinner firsthand_pdbh_spinner;

private ArrayAdapter<String> firsthand_pdbh_adapter;

private TextView target_dlbh_view;

private Spinner target_dlbh_spinner;

private ArrayAdapter<String> target_dlbh_adapter;

private String firsthand_dlbh = "";

private String firsthand_pdbh = "";

private String target_dlbh = "";

@Override

protected void onCreate(Bundle savedInstanceState) {

// TODO Auto-generated method stub

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_manageinfo);

context = this;

// 定义原始队列编号下拉菜单

firsthand_dlbh_view = (TextView) findViewById(R.id.firsthand_dlbh);

firsthand_dlbh_pinner = (Spinner) findViewById(R.id.firsthand_dlbh_pinner);

// 将可选内容与ArrayAdapter连接起来

firsthand_dlbh_adapter = new ArrayAdapter<String>(this,

android.R.layout.simple_spinner_item, queuilist);

// 设置下拉列表的风格

firsthand_dlbh_adapter

.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

// 将adapter 添加到spinner中

firsthand_dlbh_pinner.setAdapter(firsthand_dlbh_adapter);

// 添加事件Spinner事件监听

firsthand_dlbh_pinner

.setOnItemSelectedListener(new FirsthanddlbhSpinnerSelectedListener());

// 设置默认值

firsthand_dlbh_pinner.setVisibility(View.VISIBLE);

// 定义原始排队编号下拉菜单

firsthand_pdbh_view = (TextView) findViewById(R.id.firsthand_pdbh);

firsthand_pdbh_spinner = (Spinner) findViewById(R.id.firsthand_pdbh_pinner);

// 将可选内容与ArrayAdapter连接起来

firsthand_pdbh_adapter = new ArrayAdapter<String>(this,

android.R.layout.simple_spinner_item, default_linfo);

// 设置下拉列表的风格

firsthand_pdbh_adapter

.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

// 将adapter 添加到spinner中

firsthand_pdbh_spinner.setAdapter(firsthand_pdbh_adapter);

// 添加事件Spinner事件监听

firsthand_pdbh_spinner

.setOnItemSelectedListener(new FirsthandpdbhSpinnerSelectedListener());

// 设置默认值

firsthand_pdbh_spinner.setVisibility(View.VISIBLE);

// 定义目标队列下拉菜单

target_dlbh_view = (TextView) findViewById(R.id.target_dlbh);

target_dlbh_spinner = (Spinner) findViewById(R.id.target_dlbh_spinner);

// 将可选内容与ArrayAdapter连接起来

target_dlbh_adapter = new ArrayAdapter<String>(this,

android.R.layout.simple_spinner_item, queuilist);

// 设置下拉列表的风格

target_dlbh_adapter

.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

// 将adapter 添加到spinner中

target_dlbh_spinner.setAdapter(target_dlbh_adapter);

// 添加事件Spinner事件监听

target_dlbh_spinner

.setOnItemSelectedListener(new TargetdlbhpinnerSelectedListener());

// 设置默认值

target_dlbh_spinner.setVisibility(View.VISIBLE);

Button diff_manage_operation = (Button) findViewById(R.id.diff_manage_operation);

diff_manage_operation.setOnClickListener(this);

}

// 选择 目标排队编号 事件 监听器

class FirsthanddlbhSpinnerSelectedListener implements

OnItemSelectedListener {

public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2,

long arg3) {

firsthand_dlbh = queuilist[arg2];

firsthand_dlbh_view.setText("选择原始队列是:" + queuilist[arg2]);

int pos = firsthand_dlbh_pinner.getSelectedItemPosition();

firsthand_pdbh_adapter = new ArrayAdapter<String>(context,

android.R.layout.simple_spinner_item, queu_info[pos]);

firsthand_pdbh_spinner.setAdapter(firsthand_pdbh_adapter);

}

public void onNothingSelected(AdapterView<?> arg0) {

}

}

// 选择 目标排队编号 事件 监听器

class FirsthandpdbhSpinnerSelectedListener implements

OnItemSelectedListener {

public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2,

long arg3) {

firsthand_pdbh = (String) firsthand_pdbh_spinner

.getItemAtPosition(arg2);

firsthand_pdbh_view.setText("要移动的排队编号是:"

+ (String) firsthand_pdbh_spinner.getItemAtPosition(arg2));

}

public void onNothingSelected(AdapterView<?> arg0) {

}

}

// //选择 参照排队编号 事件 监听器

class TargetdlbhpinnerSelectedListener implements OnItemSelectedListener {

public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2,

long arg3) {

target_dlbh = queuilist[arg2];

target_dlbh_view.setText("移动到 " + queuilist[arg2] + " 队列中 ");

}

public void onNothingSelected(AdapterView<?> arg0) {

}

}

@Override

public void onClick(View v) {

System.out.println(" 进入同一队列调度环节");

System.out.println("执行把排队编号 " + firsthand_pdbh + " 从 " + firsthand_dlbh

+ " 队列中移动到" + target_dlbh + "队列的末尾操作");

//DiffMangerQuening( user_name, estination_code, firsthand_dlbh, firsthand_dlbh,target_dlbh); // switch(v.getId()){//根据点击不同的按钮,弹出相应的提示

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

// Inflate the menu; this adds items to the action bar if it is present.

getMenuInflater().inflate(R.menu.activity_main, menu);

return true;

}

}

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