回答編集履歴
3
answer
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@@ -1,42 +1,48 @@
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メソッドにする、itemId と各リソースIDとの関連をテーブル化する等、やり方は色々と思います。
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1
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メソッドにする、itemId と各リソースIDとの関連をテーブル化する等、やり方は色々と思います。
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2
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4
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```kotlin
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3
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```kotlin
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5
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class ChampionViews(
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class ChampionViews(val imageView: ImageView, val textView: TextView) {
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private class
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private class Preset(val imageResId: Int, val stringResId: Int, val text: String?)
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private val
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6
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private val presetMap: MutableMap<Int, Preset> = HashMap()
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fun
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fun putPreset(key: Int, imageResId: Int, strResId: Int): ChampionViews {
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presetMap[key] = Preset(imageResId, strResId, null)
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return this
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return this
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}
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}
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fun putPreset(key: Int, imageResId: Int, str: String): ChampionViews {
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presetMap[key] = Preset(imageResId, 0, str)
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return this
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}
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fun
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fun selectPreset(key: Int): Boolean {
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val
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val preset = presetMap[key] ?: return false
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imageView.setImageResource(
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imageView.setImageResource(preset.imageResId)
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if(preset.stringResId == 0) {
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textView.text = preset.text
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} else {
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textView.setText(preset.stringResId)
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}
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return true
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return true
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}
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}
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}
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}
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class MainActivity : AppCompatActivity() {
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class MainActivity : AppCompatActivity() {
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lateinit var championViews: ChampionViews
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lateinit var championViews: ChampionViews
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override fun onCreate(savedInstanceState: Bundle?) {
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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super.onCreate(savedInstanceState)
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setContentView(R.layout.activity_main)
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setContentView(R.layout.activity_main)
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championViews = ChampionViews(findViewById(R.id.championsImage), findViewById(R.id.championsText))
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championViews = ChampionViews(findViewById(R.id.championsImage), findViewById(R.id.championsText))
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.
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.putPreset(R.id.home, R.drawable.icon, "")
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.
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.putPreset(R.id.Aatrox, R.drawable.aatrox, R.string.Aatrox_text)
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.
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.putPreset(R.id.Ahri, R.drawable.ahri, R.string.Ahri_text)
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.
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.putPreset(R.id.Akali, R.drawable.akali, R.string.Akali_text)
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//...
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//...
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}
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}
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42
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override fun onOptionsItemSelected(item: MenuItem): Boolean {
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override fun onOptionsItemSelected(item: MenuItem): Boolean {
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return if(championViews.
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return if(championViews.selectPreset(item.itemId)) true
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else super.onOptionsItemSelected(item)
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else super.onOptionsItemSelected(item)
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}
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}
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}
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}
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42
48
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```
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2
追記
answer
CHANGED
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@@ -1,5 +1,6 @@
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1
1
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メソッドにする、itemId と各リソースIDとの関連をテーブル化する等、やり方は色々と思います。
|
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2
2
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3
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View も纏めて管理するならこんな風にも。
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3
4
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```kotlin
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4
5
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class ChampionViews(private val imageView: ImageView, private val textView: TextView) {
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6
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private class MenuValue(val imageId: Int, val stringId: Int)
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1
コード追加
answer
CHANGED
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@@ -1,1 +1,41 @@
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1
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-
メソッドにする、itemId と各リソースIDとの関連をテーブル化する等、やり方は色々と思います。
|
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1
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+
メソッドにする、itemId と各リソースIDとの関連をテーブル化する等、やり方は色々と思います。
|
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2
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+
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3
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+
```kotlin
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4
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class ChampionViews(private val imageView: ImageView, private val textView: TextView) {
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5
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private class MenuValue(val imageId: Int, val stringId: Int)
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private val menuMap: MutableMap<Int, MenuValue> = HashMap()
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7
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8
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fun putMenuValue(menuId: Int, imageId: Int, stringId: Int): ChampionViews {
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menuMap[menuId] = MenuValue(imageId, stringId)
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return this
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}
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fun setViews(menuId: Int): Boolean {
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val value = menuMap[menuId] ?: return false
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imageView.setImageResource(value.imageId)
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textView.setText(value.stringId)
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return true
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}
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}
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20
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class MainActivity : AppCompatActivity() {
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22
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lateinit var championViews: ChampionViews
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23
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24
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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setContentView(R.layout.activity_main)
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championViews = ChampionViews(findViewById(R.id.championsImage), findViewById(R.id.championsText))
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.putMenuValue(R.id.home, R.drawable.icon, R.string.home_text) //R.string.home_text を "" として定義
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.putMenuValue(R.id.Aatrox, R.drawable.aatrox, R.string.Aatrox_text)
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31
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.putMenuValue(R.id.Ahri, R.drawable.ahri, R.string.Ahri_text)
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32
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.putMenuValue(R.id.Akali, R.drawable.akali, R.string.Akali_text)
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33
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//...
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34
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}
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35
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36
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override fun onOptionsItemSelected(item: MenuItem): Boolean {
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37
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return if(championViews.setViews(item.itemId)) true
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38
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else super.onOptionsItemSelected(item)
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39
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}
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40
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}
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41
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```
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