zoukankan      html  css  js  c++  java
  • Android -- 文件扫描

    启动MediaScanner服务,扫描媒体文件,程序通过发送下面的Intent启动MediaScanner服务。

    扫描指定文件                                                                         

    public void scanFile(Context ctx, String filePath) {
                  Intent scanIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
                  scanIntent.setData(Uri.fromFile(new File(filePath)));
                  ctx.sendBroadcast(scanIntent);
           }

    扫描指定目录                                                                         

    public static final String ACTION_MEDIA_SCANNER_SCAN_DIR = "android.intent.action.MEDIA_SCANNER_SCAN_DIR";
           public void scanDirAsync(Context ctx, String dir) {
                  Intent scanIntent = new Intent(ACTION_MEDIA_SCANNER_SCAN_DIR);
                  scanIntent.setData(Uri.fromFile(new File(dir)));
                  ctx.sendBroadcast(scanIntent);
           }

    扫描Sallery                                                                           

    public void sdScan(){     
            sendBroadcast(new Intent(Intent.ACTION_MEDIA_MOUNTED, Uri.parse("file://"    
                        + Environment.getExternalStorageDirectory())));     
        }

    我是天王盖地虎的分割线                                                             

  • 相关阅读:
    分享的选择
    @contextmanager 另外一种实现上下文的方法(含yield 生成器)
    Linux ☞ Good good study,day day up
    Linux常用命令
    python 新手遇到的问题
    Pyqt 基础功能
    redis安装使用
    python 对任意文件(jpg,png,mp3,mp4)base64的编码解码
    PHP7.* AES的加密解密
    Ubuntu宝塔面板设置网站 Apache Server API为Apache 2.0 Handler模式
  • 原文地址:https://www.cnblogs.com/yydcdut/p/4114383.html
Copyright © 2011-2022 走看看