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所谓的POI检索（Point of Interest） 就是所谓的兴趣点，比如说学校、ktv…

1.调用OnGetPoiSearchResultListener, OnGetSuggestionResultListener 2个接口

private PoiSearch mPoiSearch = null;private SuggestionSearch mSuggestionSearch = null;

2.根据关键字开始搜索

mPoiSearch.searchInCity((new PoiCitySearchOption())                .city(editCity.getText().toString())                .keyword(editSearchKey.getText().toString())                .pageNum(load_Index));

因为 搜索数据的时候是一组一组的搜索，load_Index就代表组的索引

public void onGetPoiResult(PoiResult result) {        if (result == null                || result.error == SearchResult.ERRORNO.RESULT_NOT_FOUND) {            Toast.makeText(PoiSearchDemo.this, "未找到结果", Toast.LENGTH_LONG)            .show();            return;        }        if (result.error == SearchResult.ERRORNO.NO_ERROR) {            mBaiduMap.clear();            PoiOverlay overlay = new MyPoiOverlay(mBaiduMap);            mBaiduMap.setOnMarkerClickListener(overlay);            overlay.setData(result);            overlay.addToMap();            overlay.zoomToSpan();            return;        }        if (result.error == SearchResult.ERRORNO.AMBIGUOUS_KEYWORD) {            // 当输入关键字在本市没有找到，但在其他城市找到时，返回包含该关键字信息的城市列表            String strInfo = "在";            for (CityInfo cityInfo : result.getSuggestCityList()) {                strInfo += cityInfo.city;                strInfo += ",";            }            strInfo += "找到结果";            Toast.makeText(PoiSearchDemo.this, strInfo, Toast.LENGTH_LONG)                    .show();        }

4.重写onGetPoiDetailResult方法，该方法处理具体某个兴趣点的信息

public void onGetPoiDetailResult(PoiDetailResult result) {        if (result.error != SearchResult.ERRORNO.NO_ERROR) {            Toast.makeText(PoiSearchDemo.this, "抱歉，未找到结果", Toast.LENGTH_SHORT)                    .show();        } else {            Toast.makeText(PoiSearchDemo.this, result.getName() + ": " + result.getAddress(), Toast.LENGTH_SHORT)            .show();        }    }

5.给输入关键字的输入框绑定建议搜索

keyWorldsView.addTextChangedListener(new TextWatcher() {            @Override            public void afterTextChanged(Editable arg0) {            }            @Override            public void beforeTextChanged(CharSequence arg0, int arg1,                    int arg2, int arg3) {            }            @Override            public void onTextChanged(CharSequence cs, int arg1, int arg2,                    int arg3) {                if (cs.length() <= 0) {                    return;                }                String city = ((EditText) findViewById(R.id.city)).getText()                        .toString();                /**                 * 使用建议搜索服务获取建议列表，结果在onSuggestionResult()中更新                 */                mSuggestionSearch                        .requestSuggestion((new SuggestionSearchOption())                                .keyword(cs.toString()).city(city));            }        });

6.给搜索按钮绑定监听器

mSuggestionSearch.setOnGetSuggestionResultListener(this);

到这里就完成了

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