안드로이드 - Assets에서 파일을 읽는 방법

└── main
    ├── AndroidManifest.xml
    └── assets
        └── posts.json

{
  "posts": [
    {
      "title": "how to get stroage size",
      "url": "https://codechacha.com/ko/get-free-and-total-size-of-volumes-in-android/",
      "draft": false
    },
    {
      "title": "Android Q, Scoped Storage",
      "url": "https://codechacha.com/ko/android-q-scoped-storage/",
      "draft": false
    },
    {
      "title": "How to parse JSON in android",
      "url": "https://codechacha.com/ko/how-to-parse-json-in-android/",
      "draft": true
    }
  ]
}

val assetManager = resources.assets
val inputStream= assetManager.open("posts.json")
val jsonString = inputStream.bufferedReader().use { it.readText() }

val assetManager = resources.assets
val inputStream= assetManager.open("posts.json")
val jsonString = inputStream.bufferedReader().use { it.readText() }

val jObject = JSONObject(jsonString)
val jArray = jObject.getJSONArray("posts")

for (i in 0 until jArray.length()) {
    val obj = jArray.getJSONObject(i)
    val title = obj.getString("title")
    val url = obj.getString("url")
    val draft = obj.getBoolean("draft")
    Log.d(TAG, "title($i): $title")
    Log.d(TAG, "url($i): $url")
    Log.d(TAG, "draft($i): $draft")
}

MainActivity: title(0): how to get stroage size
MainActivity: url(0): https://codechacha.com/ko/get-free-and-total-size-of-volumes-in-android/
MainActivity: draft(0): false
MainActivity: title(1): Android Q, Scoped Storage
MainActivity: url(1): https://codechacha.com/ko/android-q-scoped-storage/
MainActivity: draft(1): false
MainActivity: title(2): How to parse JSON in android
MainActivity: url(2): https://codechacha.com/ko/how-to-parse-json-in-android/
MainActivity: draft(2): true

└── main
    ├── AndroidManifest.xml
    └── assets
        ├── posts.json
        └── xml
             └── settings.xml

val assetManager = resources.assets
val inputStream= assetManager.open("posts.json")
val inputStream= assetManager.open("xml/settings.xml")