SkinLibraryActivity.kt の更新

Author: RabimiYT

app/src/main/java/com/rabimi/javaskinchanger/SkinLibraryActivity.kt

@@ -1 +1,81 @@
+package com.rabimi.javaskinchanger
 
+import android.app.Activity
+import android.content.Context
+import android.content.Intent
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ImageButton
+import android.widget.ImageView
+import androidx.appcompat.app.AppCompatActivity
+import androidx.recyclerview.widget.GridLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import java.io.File
+import java.io.FileOutputStream
+
+class SkinLibraryActivity : AppCompatActivity() {
+
+    companion object {
+        const val RESULT_SKIN_BITMAP = "result_skin_bitmap"
+        const val EXTRA_CURRENT_SKIN = "extra_current_skin"
+    }
+
+    private lateinit var recyclerView: RecyclerView
+    private lateinit var adapter: SkinAdapter
+    private lateinit var btnAddCurrent: ImageButton
+    private val skinFiles = mutableListOf<File>()
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_library)
+
+        recyclerView = findViewById(R.id.recyclerViewSkins)
+        recyclerView.layoutManager = GridLayoutManager(this, 4)
+
+        btnAddCurrent = findViewById(R.id.btnAddCurrentSkin)
+
+        loadLibrary()
+        adapter = SkinAdapter(skinFiles.map { it.absolutePath }) { path ->
+            val bmp = BitmapFactory.decodeFile(path)
+            val resized = Bitmap.createScaledBitmap(bmp, 64, 64, true)
+            val intent = Intent().apply {
+                putExtra(RESULT_SKIN_BITMAP, bmpToByteArray(resized))
+            }
+            setResult(Activity.RESULT_OK, intent)
+            finish()
+        }
+        recyclerView.adapter = adapter
+
+        btnAddCurrent.setOnClickListener {
+            val bytes = intent.getByteArrayExtra(EXTRA_CURRENT_SKIN) ?: return@setOnClickListener
+            val bmp = BitmapFactory.decodeByteArray(bytes, 0, bytes.size)
+            saveSkinToLibrary(bmp)
+        }
+    }
+
+    private fun loadLibrary() {
+        val dir = getDir("skin_library", Context.MODE_PRIVATE)
+        skinFiles.clear()
+        skinFiles.addAll(dir.listFiles()?.toList() ?: emptyList())
+    }
+
+    private fun saveSkinToLibrary(bitmap: Bitmap) {
+        val dir = getDir("skin_library", Context.MODE_PRIVATE)
+        val file = File(dir, "skin_${System.currentTimeMillis()}.png")
+        FileOutputStream(file).use { out ->
+            bitmap.compress(Bitmap.CompressFormat.PNG, 100, out)
+        }
+        skinFiles.add(file)
+        adapter.updateData(skinFiles.map { it.absolutePath })
+    }
+
+    private fun bmpToByteArray(bitmap: Bitmap): ByteArray {
+        val baos = java.io.ByteArrayOutputStream()
+        bitmap.compress(Bitmap.CompressFormat.PNG, 100, baos)
+        return baos.toByteArray()
+    }
+}