importandroid.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Environment;
import com.bumptech.glide.Glide;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
 
/** 圖片下載
*/
public class DownLoadImage implements Runnable {
    private String url;
    private Context context;
    private ImageDownLoadCallBack callBack;
    private File currentFile;
    public DownLoadImage(Context context, String url, ImageDownLoadCallBack callBack) {
        this.url = url;
        this
 
.callBack = callBack;
        this.context = context;
}

    @Override
public void run() {
        File file = null;
Bitmap bitmap = null;
        try {
//            file = Glide.with(context)
//                    .load(url)
//                    .downloadOnly(Target.SIZE_ORIGINAL, Target.SIZE_ORIGINAL)
 
//                    .get();
bitmap = Glide.with(context)
                    .load(url)
                    .asBitmap().into(200, 200)
                    .get();
            if (bitmap != null){
                // 在這裡執行圖片儲存方法
saveImageToGallery(context,bitmap);
}
        } catch (Exception e) {
            e.printStackTrace();
} finally {
//            if (file != null) {
//                callBack.onDownLoadSuccess(file);
//            } else {
//                callBack.onDownLoadFailed();
//            }
if (bitmap != null && currentFile.exists()) {
                callBack.onDownLoadSuccess(bitmap);
} else {
                callBack.onDownLoadFailed();
}
        }
    }

    public void saveImageToGallery(Context context, Bitmap bmp) {
        // 首先儲存圖片
File file = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).getAbsoluteFile();//注意小米手機必須這樣獲得public絕對路徑
String fileName = "ningjing";
File appDir = new File(file ,fileName);
        if (!appDir.exists()) {
            appDir.mkdirs();
}
         fileName = System.currentTimeMillis() + ".jpg";
currentFile = new File(appDir, fileName);
FileOutputStream fos = null;
        try {
            fos = new FileOutputStream(currentFile);
bmp.compress(Bitmap.CompressFormat.JPEG, 100, fos);
fos.flush();
} catch (FileNotFoundException e) {
            e.printStackTrace();
} catch (IOException e) {
            e.printStackTrace();
} finally {
            try {
                if (fos != null) {
                    fos.close();
}
            } catch (IOException e) {
                e.printStackTrace();
}
        }

        // 其次把檔案插入到系統圖庫
//        try {
//            MediaStore.Images.Media.insertImage(context.getContentResolver(),
//                    currentFile.getAbsolutePath(), fileName, null);
//        } catch (FileNotFoundException e) {
//            e.printStackTrace();
//        }
        // 最後通知相簿更新
context.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE,
Uri.fromFile(new File(currentFile.getPath()))));
}
}