1 files changed, 64 insertions, 0 deletions
diff --git a/app/src/main/java/net/lacolaco/smileessence/util/BitmapThumbnailTask.kt b/app/src/main/java/net/lacolaco/smileessence/util/BitmapThumbnailTask.kt
new file mode 100644
index 00000000..6e353716
--- /dev/null
+++ b/app/src/main/java/net/lacolaco/smileessence/util/BitmapThumbnailTask.kt
@@ -0,0 +1,64 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2012-2014 lacolaco.net
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package net.lacolaco.smileessence.util
+
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.media.ThumbnailUtils
+import android.os.AsyncTask
+import android.widget.ImageView
+
+class BitmapThumbnailTask
+// --------------------------- CONSTRUCTORS ---------------------------
+
+(
+        // ------------------------------ FIELDS ------------------------------
+
+        private val filePath: String, private val imageView: ImageView?) : AsyncTask<Void, Void, Bitmap?>() {
+
+    // ------------------------ OVERRIDE METHODS ------------------------
+
+    override fun onPostExecute(bitmap: Bitmap?) {
+        if (bitmap != null && imageView != null) {
+            imageView.setImageBitmap(bitmap)
+        }
+    }
+
+    override fun doInBackground(vararg params: Void): Bitmap? {
+        val opt = BitmapFactory.Options()
+        opt.inPurgeable = true // GC可能にする
+        opt.inSampleSize = 2
+        //        ContentResolver resolver = activity.getContentResolver();
+        //        Cursor cursor = resolver.query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, null, MediaStore.Images.ImageColumns.DATA + " = ?", new String[]{filePath}, null);
+        //        if(cursor.moveToFirst())
+        //        {
+        //            // サムネイルの取得
+        //            long id = cursor.getLong(cursor.getColumnIndex("_id"));
+        //            return MediaStore.Images.Thumbnails.getThumbnail(resolver, id, MediaStore.Images.Thumbnails.MICRO_KIND, opt);
+        //        }
+        //        return null;
+        return ThumbnailUtils.extractThumbnail(BitmapFactory.decodeFile(filePath), 100, 100, ThumbnailUtils.OPTIONS_RECYCLE_INPUT)
+    }
+}