SubwayTooter-Android-App/app/src/main/java/jp/juggler/subwaytooter/ActDrawableList.kt

114 lines
3.1 KiB
Kotlin

package jp.juggler.subwaytooter
import android.os.Bundle
import android.view.View
import android.view.ViewGroup
import android.widget.*
import androidx.appcompat.app.AppCompatActivity
import jp.juggler.util.LogCategory
import jp.juggler.util.asciiPattern
import jp.juggler.util.replaceFirst
import kotlinx.coroutines.*
import kotlin.coroutines.CoroutineContext
class ActDrawableList : AppCompatActivity(), CoroutineScope {
companion object {
private val log = LogCategory("ActDrawableList")
}
private lateinit var activityJob : Job
override val coroutineContext : CoroutineContext
get() = Dispatchers.Main + activityJob
private class MyItem(val id : Int, val name : String)
private val drawableList = ArrayList<MyItem>()
private lateinit var adapter : MyAdapter
private lateinit var listView : ListView
override fun onCreate(savedInstanceState : Bundle?) {
super.onCreate(savedInstanceState)
App1.setActivityTheme(this)
activityJob = Job()
initUI()
load()
}
override fun onDestroy() {
super.onDestroy()
activityJob.cancel()
}
private fun initUI() {
setContentView(R.layout.act_drawable_list)
App1.initEdgeToEdge(this)
Styler.fixHorizontalPadding(findViewById(R.id.llContent))
listView = findViewById(R.id.listView)
adapter = MyAdapter()
listView.adapter = adapter
}
private fun load() = launch {
try {
val rePackageSpec = """.+/""".asciiPattern()
val reSkipName = """^(abc_|avd_|btn_checkbox_|btn_radio_|googleg_|ic_keyboard_arrow_|ic_menu_arrow_|notification_|common_|emj_|cpv_|design_|exo_|mtrl_|ic_mtrl_)"""
.asciiPattern()
val list = withContext(Dispatchers.IO) {
R.drawable::class.java.fields
.mapNotNull {
val id = it.get(null) as? Int ?: return@mapNotNull null
val name = resources.getResourceName(id).replaceFirst(rePackageSpec, "")
if(reSkipName.matcher(name).find() ) return@mapNotNull null
MyItem(id, name)
}
.toMutableList()
.apply { sortBy { it.name } }
}
drawableList.clear()
drawableList.addAll(list)
adapter.notifyDataSetChanged()
} catch(ex : Throwable) {
log.trace(ex)
}
}
private class MyViewHolder(viewRoot : View) {
private val tvCaption : TextView = viewRoot.findViewById(R.id.tvCaption)
private val ivImage : ImageView = viewRoot.findViewById(R.id.ivImage)
fun bind(item : MyItem) {
tvCaption.text = item.name
ivImage.setImageResource(item.id)
}
}
private inner class MyAdapter : BaseAdapter() {
override fun getCount() : Int = drawableList.size
override fun getItemId(idx : Int) : Long = 0L
override fun getItem(idx : Int) : Any = drawableList[idx]
override fun getView(idx : Int, viewArg : View?, parent : ViewGroup?) : View {
val view : View
val holder : MyViewHolder
if(viewArg == null) {
view = layoutInflater.inflate(R.layout.lv_drawable, parent, false)
holder = MyViewHolder(view)
view.tag = holder
} else {
view = viewArg
holder = view.tag as MyViewHolder
}
holder.bind(drawableList[idx])
return view
}
}
}