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@bassaer
Last active May 19, 2018 06:18
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ネストしたデータをresourceで管理する ref: https://qiita.com/bassaer/items/b1d3f9bacb03033e3a46
<?xml version="1.0" encoding="utf-8"?>
<resources>
<array name="menu">
<item>@array/food_menu</item>
<item>@array/drink_menu</item>
</array>
<array name="food_menu">
<item>food</item>
<item>@array/food_array</item>
</array>
<array name="drink_menu">
<item>drink</item>
<item>@array/drink_array</item>
</array>
<string-array name="food_array">
<item>Sandwich</item>
<item>Hot dog</item>
<item>Salad</item>
<item>Donuts</item>
</string-array>
<string-array name="drink_array">
<item>Coffee</item>
<item>Tea</item>
<item>Coke</item>
<item>Water</item>
</string-array>
</resources>
{
"menu": {
"food": [
"Samdwich",
"Hot dog",
"Salad",
"Donuts"
],
"drink": [
"Coffee",
"Tea",
"Coke",
"Water"
]
}
}
05-19 05:44:01.973 5423-5423/com.github.bassaer.nestarrayapp D/Sample: food
05-19 05:44:01.973 5423-5423/com.github.bassaer.nestarrayapp D/Sample: └── Sandwich
05-19 05:44:01.973 5423-5423/com.github.bassaer.nestarrayapp D/Sample: └── Hot dog
05-19 05:44:01.973 5423-5423/com.github.bassaer.nestarrayapp D/Sample: └── Salad
05-19 05:44:01.973 5423-5423/com.github.bassaer.nestarrayapp D/Sample: └── Donuts
05-19 05:44:01.974 5423-5423/com.github.bassaer.nestarrayapp D/Sample: drink
05-19 05:44:01.974 5423-5423/com.github.bassaer.nestarrayapp D/Sample: └── Coffee
05-19 05:44:01.974 5423-5423/com.github.bassaer.nestarrayapp D/Sample: └── Tea
05-19 05:44:01.974 5423-5423/com.github.bassaer.nestarrayapp D/Sample: └── Coke
05-19 05:44:01.974 5423-5423/com.github.bassaer.nestarrayapp D/Sample: └── Water
class MainActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
loadMenu()
}
private fun loadMenu() {
val tag = "Sample"
// <array name="menu">のデータを読み込む
val menus = resources.obtainTypedArray(R.array.menu)
// 0番目がメニューの名前で、1番目がメニュー配列のResourceID
@StyleableRes val nameIndex = 0
@StyleableRes val arrayIndex = 1
for (i in 0 until menus.length()) {
// @array/*_menu のResourceIdを取得
val menuId = menus.getResourceId(i, -1)
if (menuId < 0) {
break
}
// @array/*_arrayを読み込む
val menu = resources.obtainTypedArray(menuId)
// 1番目のメニュー配列のResourceIDを取得
val arrayId = menu.getResourceId(arrayIndex, -1)
if (arrayId < 0) {
menu.recycle()
break
}
// メニュー配列取得
val array = resources.obtainTypedArray(arrayId)
// 出力
Log.d(tag, menu.getString(nameIndex))
for (j in 0 until array.length()) {
Log.d(tag, " └── " + array.getString(j))
}
menu.recycle()
array.recycle()
}
menus.recycle()
}
}
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