基于android的百度地图开发源代码

package com.baidu.mapapi.demo; import java.util.ArrayList; import com.baidu.mapapi.BMapManager; import com.baidu.mapapi.MKOLSearchRecord; import com.baidu.mapapi.MKOLUpdateElement; import com.baidu.mapapi.MKOfflineMap; import com.baidu.mapapi.MKOfflineMapListener; import com.baidu.mapapi.MapActivity; import com.baidu.mapapi.MapView; import android.app.AlertDialog; import android.content.DialogInterface; import android.os.Bundle; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; public class OfflineDemo extends MapActivity implements MKOfflineMapListener { private MapView mMapView = null; private MKOfflineMap mOffline = null; private EditText mEditCityName; private EditText mEditCityId; private TextView mText; protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.offline); BMapApiDemoApp app = (BMapApiDemoApp)this.getApplication(); if (app.mBMapMan == null) { app.mBMapMan = new BMapManager(getApplication()); app.mBMapMan.init(app.mStrKey, new BMapApiDemoApp.MyGeneralListener()); } app.mBMapMan.start(); super.initMapActivity(app.mBMapMan); mMapView = (MapView)findViewById(R.id.bmapView); mMapView.setBuiltInZoomControls(true); mOffline = new MKOfflineMap(); mOffline.init(app.mBMapMan, this); ArrayList<MKOLUpdateElement> info = mOffline.getAllUpdateInfo(); if (info != null) { Log.d("OfflineDemo", String.format("has %d city info", info.size())); if (info.get(0).status == MKOLUpdateElement.FINISHED) { } } ArrayList<MKOLSearchRecord> records = mOffline.getHotCityList(); if (records != null) { Log.d("OfflineDemo", String.format("has %d hot city", records.size())); } mEditCityName = (EditText)findViewById(R.id.city); mEditCityId = (EditText)findViewById(R.id.cityid); mText = (TextView)findViewById(R.id.text); Button btn = (Button)findViewById(R.id.start); btn.setOnClickListener( new OnClickListener() { public void onClick(View v) { int cityid = -1; try { cityid = Integer.parseInt(mEditCityId.getText().toString()); } catch (Exception e) { } if (mOffline.start(cityid)) { Log.d("OfflineDemo", String.format("start cityid:%d", cityid)); } else { Log.d("OfflineDemo", String.format("not start cityid:%d", cityid)); } } }); btn = (Button)findViewById(R.id.stop); btn.setOnClickListener( new OnClickListener() { public void onClick(View v) { int cityid = -1; try { cityid = Integer.parseInt(mEditCityId.getText().toString()); } catch (Exception e) { } if (mOffline.pause(cityid)) { Log.d("OfflineDemo", String.format("stop cityid:%d", cityid)); } else { Log.d("OfflineDemo", String.format("not pause cityid:%d", cityid)); } } }); btn = (Button)findViewById(R.id.search); btn.setOnClickListener( new OnClickListener() { public void onClick(View v) { ArrayList<MKOLSearchRecord> records = mOffline.searchCity(mEditCityName.getText().toString()); if (records == null || records.size() != 1) return; mEditCityId.setText(String.valueOf(records.get(0).cityID)); } }); btn = (Button)findViewById(R.id.del); btn.setOnClickListener( new OnClickListener() { public void onClick(View v) { int cityid = -1; try { cityid = Integer.parseInt(mEditCityId.getText().toString()); } catch (Exception e) { } if (mOffline.remove(cityid)) { Log.d("OfflineDemo", String.format("del cityid:%d", cityid)); } else { Log.d("OfflineDemo", String.format("not del cityid:%d", cityid)); } } }); btn = (Button)findViewById(R.id.scan); btn.setOnClickListener( new OnClickListener() { public void onClick(View v) { int num = mOffline.scan(); if (num != 0) mText.setText(String.format("已安装%d个离线包", num)); Log.d("OfflineDemo", String.format("scan offlinemap num:%d", num)); } }); btn = (Button)findViewById(R.id.get); btn.setOnClickListener( new OnClickListener() { public void onClick(View v) { int cityid = -1; try { cityid = Integer.parseInt(mEditCityId.getText().toString()); } catch (Exception e) { } MKOLUpdateElement element = mOffline.getUpdateInfo(cityid); if (element != null) { new AlertDialog.Builder(OfflineDemo.this) .setTitle(element.cityName) .setMessage(String.format("大小:%.2fMB 已下载%d%%", ((double)element.size)/1000000, element.ratio)) .setPositiveButton("确定", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int whichButton) { } }).show(); } } }); } @Override protected void onPause() { BMapApiDemoApp app = (BMapApiDemoApp)this.getApplication(); app.mBMapMan.stop(); super.onPause(); } @Override protected void onResume() { BMapApiDemoApp app = (BMapApiDemoApp)this.getApplication(); app.mBMapMan.start(); super.onResume(); } @Override protected boolean isRouteDisplayed() { // TODO Auto-generated method stub return false; } @Override public void onGetOfflineMapState(int type, int state) { switch (type) { case MKOfflineMap.TYPE_DOWNLOAD_UPDATE: { Log.d("OfflineDemo", String.format("cityid:%d update", state)); MKOLUpdateElement update = mOffline.getUpdateInfo(state); mText.setText(String.format("%s : %d%%", update.cityName, update.ratio)); } break; case MKOfflineMap.TYPE_NEW_OFFLINE: Log.d("OfflineDemo", String.format("add offlinemap num:%d", state)); break; case MKOfflineMap.TYPE_VER_UPDATE: Log.d("OfflineDemo", String.format("new offlinemap ver")); break; } } }