android开发稳扎稳打之54:读取assets，raw文件夹下文件

一、读取assets文件下文件products.json

public String readAssetFile(Context c, String file) {        Elapsed profiler = new Elapsed();        BufferedReader bufReader = null;        try {            InputStreamReader inputReader = new InputStreamReader(c.getResources().getAssets().open(file));            bufReader = new BufferedReader(inputReader);            StringBuilder sb = new StringBuilder();            String line = null;            while ((line = bufReader.readLine()) != null)                sb.append(line);            return sb.toString();        } catch (Exception e) {            LogUtil.i(TAG, "FileUtils.getFromAssets Exception:" + file);            return "";        } catch (OutOfMemoryError e) {            LogUtil.i(TAG, "FileUtils.getFromAssets OutOfMemoryError:" + file);            return "";        } finally {            CommonUtils.close(bufReader);            profiler.log("FileUtils.getFromAssets:" + file);        }    }

readAssetFile(testActivity.this,"product.json");

二、读取res/raw文件夹下文件cities.txt

 private void loadAddressDataNew() {        countries = new ArrayList<Country>();        InputStreamReader inputStreamReader = null;        try {            inputStreamReader = new InputStreamReader(getResources().openRawResource(R.raw.cities), "utf8");        } catch (UnsupportedEncodingException e1) {            e1.printStackTrace();        }        BufferedReader reader = new BufferedReader(inputStreamReader);        String line;        try {            while ((line = reader.readLine()) != null) {                //第三位为|则该string为国家     CN|China                if (line.substring(2, 3).equals("|")) {                    Country country = new Country();                    country.setCountryId(line.substring(0, 2));                    country.setCountryName(line.substring(3));                    countries.add(country);                }                //省 or 州  CN_Anhui|Anhui                if (line.substring(0, line.lastIndexOf("|")).lastIndexOf("_") == 2) {                    State state = new State();                    state.setStateName(line.substring(line.lastIndexOf("|") + 1));                    if (line.indexOf(countries.get(countries.size() - 1).getCountryId()) != -1) {                        countries.get(countries.size() - 1).getStates().add(state);                    }                }                //城市CN_Anhui_Anqing|Anqing                if (line.substring(0, line.lastIndexOf("|")).lastIndexOf("_") > 2) {                    City city = new City();                    city.setCityName(line.substring(line.lastIndexOf("|") + 1));                    int stateIndex = countries.get(countries.size() - 1).getStates().size() - 1;                    if (line.indexOf(countries.get(countries.size() - 1).getStates().get(stateIndex).getStateName()) != -1) {                        countries.get(countries.size() - 1).getStates().get(stateIndex).getCities().add(city);                    }                }                //                }            }        } catch (IOException e) {            e.printStackTrace();        }    }