public static String assetsToString(Context context, String fileName){
AssetManager assetManager=context.getResources().getAssets();
InputStream inputStream=null;
StringBuilder stringBuilder=new StringBuilder();
BufferedReader bufferedReader=null;
try {
inputStream=assetManager.open(fileName);
// 読みこむ文字コードを指定する。
bufferedReader=new BufferedReader(new InputStreamReader(inputStream,"UTF-8"));
String str;
while ((str=bufferedReader.readLine())!=null){
stringBuilder.append(str+"\n");
}
} catch (IOException e) {
e.printStackTrace();
Log.i("assetsToString>>>>>>","文字列取得失敗");
} finally {
if(bufferedReader!=null){
try {
bufferedReader.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return stringBuilder.toString();
}