package baidumapsdk.demo;
import java.util.ArrayList;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import com.baidu.mapapi.map.offline.MKOLSearchRecord;
import com.baidu.mapapi.map.offline.MKOLUpdateElement;
import com.baidu.mapapi.map.offline.MKOfflineMap;
import com.baidu.mapapi.map.offline.MKOfflineMapListener;
public class OfflineDemo extends Activity implements MKOfflineMapListener {
private MKOfflineMap mOffline = null;
private TextView cidView;
private TextView stateView;
private EditText cityNameView;
/**
* 已下载的离线地图信息列表
*/
private ArrayList<MKOLUpdateElement> localMapList = null;
private LocalMapAdapter lAdapter = null;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_offline);
mOffline = new MKOfflineMap();
mOffline.init(this);
initView();
}
private void initView() {
cidView = (TextView) findViewById(R.id.cityid);
cityNameView = (EditText) findViewById(R.id.city);
stateView = (TextView) findViewById(R.id.state);
ListView hotCityList = (ListView) findViewById(R.id.hotcitylist);
ArrayList<String> hotCities = new ArrayList<String>();
// 获取热闹城市列表
ArrayList<MKOLSearchRecord> records1 = mOffline.getHotCityList();
if (records1 != null) {
for (MKOLSearchRecord r : records1) {
hotCities.add(r.cityName + "(" + r.cityID + ")" + " --"
+ this.formatDataSize(r.size));
}
}
ListAdapter hAdapter = (ListAdapter) new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, hotCities);
hotCityList.setAdapter(hAdapter);
ListView allCityList = (ListView) findViewById(R.id.allcitylist);
// 获取所有支持离线地图的城市
ArrayList<String> allCities = new ArrayList<String>();
ArrayList<MKOLSearchRecord> records2 = mOffline.getOfflineCityList();
if (records1 != null) {
for (MKOLSearchRecord r : records2) {
allCities.add(r.cityName + "(" + r.cityID + ")" + " --"
+ this.formatDataSize(r.size));
}
}
ListAdapter aAdapter = (ListAdapter) new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, allCities);
allCityList.setAdapter(aAdapter);
LinearLayout cl = (LinearLayout) findViewById(R.id.citylist_layout);
LinearLayout lm = (LinearLayout) findViewById(R.id.localmap_layout);
lm.setVisibility(View.GONE);
cl.setVisibility(View.VISIBLE);
// 获取已下过的离线地图信息
localMapList = mOffline.getAllUpdateInfo();
if (localMapList == null) {
localMapList = new ArrayList<MKOLUpdateElement>();
}
ListView localMapListView = (ListView) findViewById(R.id.localmaplist);
lAdapter = new LocalMapAdapter();
localMapListView.setAdapter(lAdapter);
}
/**
* 切换至城市列表
*
* @param view
*/
public void clickCityListButton(View view) {
LinearLayout cl = (LinearLayout) findViewById(R.id.citylist_layout);
LinearLayout lm = (LinearLayout) findViewById(R.id.localmap_layout);
lm.setVisibility(View.GONE);
cl.setVisibility(View.VISIBLE);
}
/**
* 切换至下载管理列表
*
* @param view
*/
public void clickLocalMapListButton(View view) {
LinearLayout cl = (LinearLayout) findViewById(R.id.citylist_layout);
LinearLayout lm = (LinearLayout) findViewById(R.id.localmap_layout);
lm.setVisibility(View.VISIBLE);
cl.setVisibility(View.GONE);
}
/**
* 搜索离线需市
*
* @param view
*/
public void search(View view) {
ArrayList<MKOLSearchRecord> records = mOffline.searchCity(cityNameView
.getText().toString());
if (records == null || records.size() != 1)
return;
cidView.setText(String.valueOf(records.get(0).cityID));
}
/**
* 开始下载
*
* @param view
*/
public void start(View view) {
int cityid = Integer.parseInt(cidView.getText().toString());
mOffline.start(cityid);
clickLocalMapListButton(null);
Toast.makeText(this, "开始下载离线地图. cityid: " + cityid, Toast.LENGTH_SHORT)
.show();
}
/**
* 暂停下载
*
* @param view
*/
public void stop(View view) {
int cityid = Integer.parseInt(cidView.getText().toString());
mOffline.pause(cityid);
Toast.makeText(this, "暂停下载离线地图. cityid: " + cityid, Toast.LENGTH_SHORT)
.show();
}
/**
* 删除离线地图
*
* @param view
*/
public void remove(View view) {
int cityid = Integer.parseInt(cidView.getText().toString());
mOffline.remove(cityid);
Toast.makeText(this, "删除离线地图. cityid: " + cityid, Toast.LENGTH_SHORT)
.show();
}
/**
* 从SD卡导入离线地图安装包
*
* @param view
*/
public void importFromSDCard(View view) {
int num = mOffline.importOfflineData();
String msg = "";
if (num == 0) {
msg = "没有导入离线包，这可能是离线包放置位置不正确，或离线包已经导入过";
} else {
msg = String.format("成功导入 %d 个离线包，可以在下载管理查看", num);
updateView();
}
Toast.makeText(this, msg, Toast.LENGTH_SHORT).show();
}
/**
* 更新状态显示
*/
public void updateView() {
localMapList = mOffline.getAllUpdateInfo();
if (localMapList == null) {
localMapList = new ArrayList<MKOLUpdateElement>();
}
lAdapter.notifyDataSetChanged();
}
@Override
protected void onPause() {
int cityid = Integer.parseInt(cidView.getText().toString());
mOffline.pause(cityid);
super.onPause();
}
@Override
protected void onResume() {
super.onResume();
}
public String formatDataSize(int size) {
String ret = "";
if (size < (1024 * 1024)) {
ret = String.format("%dK", size / 1024);
} else {
ret = String.format("%.1fM", size / (1024 * 1024.0));
}
return ret;
}
@Override
protected void onDestroy() {
/**
* 退出时，销毁离线地图模块
*/
mOffline.destroy();
super.onDestroy();
}
@Override
public void onGetOfflineMapState(int type, int state) {
switch (type) {
case MKOfflineMap.TYPE_DOWNLOAD_UPDATE: {
MKOLUpdateElement update = mOffline.getUpdateInfo(state);
// 处理下载进度更新提示
if (update != null) {
stateView.setText(String.format("%s : %d%%", update.cityName,
update.ratio));
updateView();
}
}
break;
case MKOfflineMap.TYPE_NEW_OFFLINE:
// 有新离线地图安装
Log.d("OfflineDemo", String.format("add offlinemap num:%d", state));
break;
case MKOfflineMap.TYPE_VER_UPDATE:
// 版本更新提示
// MKOLUpdateElement e = mOffline.getUpdateInfo(state);
break;
}
}
/**
* 离线地图管理列表适配器
*/
public class LocalMapAdapter extends BaseAdapter {
@Override
public int getCount() {
return localMapList.size();
}
@Override
public Object getItem(int index) {
return localMapList.get(index);
}
@Override
public long getItemId(int index) {
return index;
}
@Override
public View getView(int index, View view, ViewGroup arg2) {
MKOLUpdateElement e = (MKOLUpdateElement) getItem(index);
view = View.inflate(OfflineDemo.this,
R.layout.offline_localmap_list, null);
initViewItem(view, e);
return view;
}
void initViewItem(View view, final MKOLUpdateElement e) {
Button display = (Button) view.findViewById(R.id.display);
Button remove = (Button) view.findViewById(R.id.remove);
TextView title = (TextView) view.findViewById(R.id.title);
TextView update = (TextView) view.findViewById(R.id.update);
TextView ratio = (TextView) view.findViewById(R.id.ratio);
ratio.setText(e.ratio + "%");
title.setText(e.cityName);
if (e.update) {
update.setText("可更新");
} else {
update.setText("最新");
}
if (e.ratio != 100) {
display.setEnabled(false);
} else {
display.setEnabled(true);
}
remove.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
mOffline.remove(e.cityID);
updateView();
}
});
display.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent();
intent.putExtra("x", e.geoPt.longitude);
intent.putExtra("y", e.geoPt.latitude);
intent.setClass(OfflineDemo.this, BaseMapDemo.class);
startActivity(intent);
}
});
}
}
}