Android(安卓)拍照后保存到手机里，在相册找不到

1、拍完照后用下面的方法写到相册中

MediaStore.Images.Media.insertImage(AddCommercial.this.getContentResolver(),
file.getAbsolutePath(), name, null);

2、通知系统跟新手机储存目录

扫描拍照后的指定文件（推荐）

                Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
               Uri uri = Uri.fromFile(new File(fileName));
               System.out.println(fileName+"uriuri:::"+uri);
               intent.setData(uri);
               sendBroadcast(intent);

扫描整个sd卡（扫描费时间）

sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.parse("file://" + Environment.getExternalStorageDirectory())));

FileOutputStream b = null;

           Bitmap bitmap = null;
           String wenjian = "文件名" ;
           try {
               String sdStatus = Environment.getExternalStorageState();
               if (!sdStatus.equals(Environment.MEDIA_MOUNTED)) { // 检测sd是否可用
                   MyToast.MyShow(AddCommercial.this, "请确认已经插入SD卡");
                   return;
               }
               Bundle bundle = data.getExtras();
               bitmap = (Bitmap) bundle.get("data");// 获取相机返回的数据，并转换为Bitmap图片格式
               File appDir = new File(Environment.getExternalStorageDirectory(), wenjian);
                if (!appDir.exists()) {
                    appDir.mkdir();
                }
                String name = System.currentTimeMillis() + ".jpg";
                File file = new File(appDir, name);
               fileName = Environment.getExternalStorageDirectory()+"/"+wenjian+"/"+name;
               cameralist.add(fileName);
               b = new FileOutputStream(file);
               bitmap.compress(Bitmap.CompressFormat.JPEG, 100, b);// 把数据写入文件
               MediaStore.Images.Media.insertImage(AddCommercial.this.getContentResolver(),
                               file.getAbsolutePath(), name, null);
               Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
               Uri uri = Uri.fromFile(new File(fileName));
               System.out.println(fileName+"uriuri:::"+uri);
               intent.setData(uri);
               sendBroadcast(intent);
           } catch (Exception e) {
               e.printStackTrace();
           } finally {
               try {
                   b.flush();
                   b.close();
               } catch (Exception e) {
                   e.printStackTrace();
               }
           }

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