109 lines
3.7 KiB
Kotlin
109 lines
3.7 KiB
Kotlin
package jp.juggler.subwaytooter
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import android.os.Bundle
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import android.view.View
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import android.view.ViewGroup
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import android.widget.BaseAdapter
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import android.widget.ImageView
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import android.widget.TextView
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import jp.juggler.subwaytooter.databinding.ActDrawableListBinding
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import jp.juggler.util.coroutine.AppDispatchers
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import jp.juggler.util.coroutine.AsyncActivity
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import jp.juggler.util.data.asciiPattern
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import jp.juggler.util.log.LogCategory
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import jp.juggler.util.ui.setNavigationBack
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import kotlinx.coroutines.CoroutineScope
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import kotlinx.coroutines.launch
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import kotlinx.coroutines.withContext
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class ActDrawableList : AsyncActivity(), CoroutineScope {
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companion object {
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private val log = LogCategory("ActDrawableList")
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}
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private class MyItem(val id: Int, val name: String)
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private val drawableList = ArrayList<MyItem>()
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private lateinit var adapter: MyAdapter
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private val views by lazy {
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ActDrawableListBinding.inflate(layoutInflater)
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}
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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App1.setActivityTheme(this)
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initUI()
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load()
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}
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private fun initUI() {
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setContentView(views.root)
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setSupportActionBar(views.toolbar)
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fixHorizontalMargin(views.listView)
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setNavigationBack(views.toolbar)
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adapter = MyAdapter()
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views.listView.adapter = adapter
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}
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private fun load() = launch {
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try {
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val rePackageSpec = """.+/""".toRegex()
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val reSkipName =
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"""^(m3_|abc_|avd_|btn_checkbox_|btn_radio_|googleg_|ic_keyboard_arrow_|ic_menu_arrow_|notification_|common_|emj_|cpv_|design_|exo_|mtrl_|ic_mtrl_)"""
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.asciiPattern()
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val list = withContext(AppDispatchers.IO) {
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R.drawable::class.java.fields
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.mapNotNull {
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val id = it.get(null) as? Int ?: return@mapNotNull null
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val name = resources.getResourceName(id).replaceFirst(rePackageSpec, "")
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if (reSkipName.matcher(name).find()) return@mapNotNull null
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MyItem(id, name)
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}
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.toMutableList()
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.apply { sortBy { it.name } }
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}
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drawableList.clear()
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drawableList.addAll(list)
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adapter.notifyDataSetChanged()
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} catch (ex: Throwable) {
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log.e(ex, "load failed.")
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}
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}
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private class MyViewHolder(viewRoot: View) {
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private val tvCaption: TextView = viewRoot.findViewById(R.id.tvCaption)
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private val ivImage: ImageView = viewRoot.findViewById(R.id.ivImage)
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fun bind(item: MyItem) {
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tvCaption.text = item.name
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ivImage.setImageResource(item.id)
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}
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}
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private inner class MyAdapter : BaseAdapter() {
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override fun getCount(): Int = drawableList.size
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override fun getItemId(idx: Int): Long = 0L
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override fun getItem(idx: Int): Any = drawableList[idx]
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override fun getView(idx: Int, viewArg: View?, parent: ViewGroup?): View {
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val view: View
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val holder: MyViewHolder
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if (viewArg == null) {
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view = layoutInflater.inflate(R.layout.lv_drawable, parent, false)
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holder = MyViewHolder(view)
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view.tag = holder
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} else {
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view = viewArg
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holder = view.tag as MyViewHolder
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}
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holder.bind(drawableList[idx])
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return view
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}
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}
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}
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