android 省市区 三级联动Demo，用到了WheelView

package com.mrwujay.cascade.activity;

import com.mrwujay.cascade.R;
import com.mrwujay.cascade.R.id;
import com.mrwujay.cascade.R.layout;

import kankan.wheel.widget.OnWheelChangedListener;
import kankan.wheel.widget.WheelView;
import kankan.wheel.widget.adapters.ArrayWheelAdapter;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends BaseActivity implements OnClickListener, OnWheelChangedListener {
	private WheelView mViewProvince;
	private WheelView mViewCity;
	private WheelView mViewDistrict;
	private Button mBtnConfirm;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		setUpViews();
		setUpListener();
		setUpData();
	}
	
	private void setUpViews() {
		mViewProvince = (WheelView) findViewById(R.id.id_province);
		mViewCity = (WheelView) findViewById(R.id.id_city);
		mViewDistrict = (WheelView) findViewById(R.id.id_district);
		mBtnConfirm = (Button) findViewById(R.id.btn_confirm);
	}
	
	private void setUpListener() {
    	// 添加change事件
    	mViewProvince.addChangingListener(this);
    	// 添加change事件
    	mViewCity.addChangingListener(this);
    	// 添加change事件
    	mViewDistrict.addChangingListener(this);
    	// 添加onclick事件
    	mBtnConfirm.setOnClickListener(this);
    }
	
	private void setUpData() {
		initProvinceDatas();
		mViewProvince.setViewAdapter(new ArrayWheelAdapter<String>(MainActivity.this, mProvinceDatas));
		// 设置可见条目数量
		mViewProvince.setVisibleItems(7);
		mViewCity.setVisibleItems(7);
		mViewDistrict.setVisibleItems(7);
		updateCities();
		updateAreas();
	}

	@Override
	public void onChanged(WheelView wheel, int oldValue, int newValue) {
		// TODO Auto-generated method stub
		if (wheel == mViewProvince) {
			updateCities();
		} else if (wheel == mViewCity) {
			updateAreas();
		} else if (wheel == mViewDistrict) {
			mCurrentDistrictName = mDistrictDatasMap.get(mCurrentCityName)[newValue];
			mCurrentZipCode = mZipcodeDatasMap.get(mCurrentDistrictName);
		}
	}

	/**
	 * 根据当前的市，更新区WheelView的信息
	 */
	private void updateAreas() {
		int pCurrent = mViewCity.getCurrentItem();
		mCurrentCityName = mCitisDatasMap.get(mCurrentProviceName)[pCurrent];
		String[] areas = mDistrictDatasMap.get(mCurrentCityName);

		if (areas == null) {
			areas = new String[] { "" };
		}
		mViewDistrict.setViewAdapter(new ArrayWheelAdapter<String>(this, areas));
		mViewDistrict.setCurrentItem(0);
	}

	/**
	 * 根据当前的省，更新市WheelView的信息
	 */
	private void updateCities() {
		int pCurrent = mViewProvince.getCurrentItem();
		mCurrentProviceName = mProvinceDatas[pCurrent];
		String[] cities = mCitisDatasMap.get(mCurrentProviceName);
		if (cities == null) {
			cities = new String[] { "" };
		}
		mViewCity.setViewAdapter(new ArrayWheelAdapter<String>(this, cities));
		mViewCity.setCurrentItem(0);
		updateAreas();
	}

	@Override
	public void onClick(View v) {
		switch (v.getId()) {
		case R.id.btn_confirm:
			showSelectedResult();
			break;
		default:
			break;
		}
	}

	private void showSelectedResult() {
		Toast.makeText(MainActivity.this, "当前选中:" mCurrentProviceName "," mCurrentCityName ","
				 mCurrentDistrictName "," mCurrentZipCode, Toast.LENGTH_SHORT).show();
	}
}

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资源文件列表

Cascade_Master/.classpath , 475
Cascade_Master/.project , 850
Cascade_Master/.settings/org.eclipse.core.resources.prefs , 87
Cascade_Master/AndroidManifest.xml , 889
Cascade_Master/assets/province_data.xml , 190445
Cascade_Master/gen/com/mrwujay/cascade/BuildConfig.java , 161
Cascade_Master/gen/com/mrwujay/cascade/R.java , 2939
Cascade_Master/ic_launcher-web.png , 51394
Cascade_Master/libs/android-support-v4.jar , 621451
Cascade_Master/proguard-project.txt , 781
Cascade_Master/project.properties , 563
Cascade_Master/res/drawable/wheel_bg.xml , 849
Cascade_Master/res/drawable/wheel_val.xml , 1055
Cascade_Master/res/drawable-hdpi/ic_launcher.png , 7658
Cascade_Master/res/drawable-mdpi/ic_launcher.png , 3777
Cascade_Master/res/drawable-xhdpi/ic_launcher.png , 12516
Cascade_Master/res/drawable-xxhdpi/ic_launcher.png , 24777
Cascade_Master/res/layout/activity_main.xml , 2180
Cascade_Master/res/menu/main.xml , 263
Cascade_Master/res/values/colors.xml , 118
Cascade_Master/res/values/dimens.xml , 220
Cascade_Master/res/values/strings.xml , 231
Cascade_Master/res/values/styles.xml , 697
Cascade_Master/res/values-sw600dp/dimens.xml , 203
Cascade_Master/res/values-sw720dp-land/dimens.xml , 277
Cascade_Master/res/values-v11/styles.xml , 334
Cascade_Master/res/values-v14/styles.xml , 391
Cascade_Master/src/com/mrwujay/cascade/activity/BaseActivity.java , 4019
Cascade_Master/src/com/mrwujay/cascade/activity/MainActivity.java , 3568
Cascade_Master/src/com/mrwujay/cascade/model/CityModel.java , 781
Cascade_Master/src/com/mrwujay/cascade/model/DistrictModel.java , 653
Cascade_Master/src/com/mrwujay/cascade/model/ProvinceModel.java , 728
Cascade_Master/src/com/mrwujay/cascade/service/XmlParserHandler.java , 2196
Cascade_Master/src/kankan/wheel/widget/ItemsRange.java , 1762
Cascade_Master/src/kankan/wheel/widget/OnWheelChangedListener.java , 1160
Cascade_Master/src/kankan/wheel/widget/OnWheelClickedListener.java , 1084
Cascade_Master/src/kankan/wheel/widget/OnWheelScrollListener.java , 1060
Cascade_Master/src/kankan/wheel/widget/WheelAdapter.java , 1271
Cascade_Master/src/kankan/wheel/widget/WheelRecycle.java , 3538
Cascade_Master/src/kankan/wheel/widget/WheelScroller.java , 7293
Cascade_Master/src/kankan/wheel/widget/WheelView.java , 24105
Cascade_Master/src/kankan/wheel/widget/adapters/AbstractWheelAdapter.java , 2102
Cascade_Master/src/kankan/wheel/widget/adapters/AbstractWheelTextAdapter.java , 8281
Cascade_Master/src/kankan/wheel/widget/adapters/AdapterWheel.java , 1578
Cascade_Master/src/kankan/wheel/widget/adapters/ArrayWheelAdapter.java , 1566
Cascade_Master/src/kankan/wheel/widget/adapters/NumericWheelAdapter.java , 2387
Cascade_Master/src/kankan/wheel/widget/adapters/WheelViewAdapter.java , 2040