config.json

      {
        "name": "ohos.data.file.FileAbility",
        "icon": "$media:icon",
        "type": "data",
        "uri": "dataability://ohos.data.file.FileAbility",
        "grantPermission": true
      }

image.png

fileability.json

{
  "paths": [
    {
      "tag": "fileability-external-path",
      "name": "external_storage_root",
      "path": "."
    },
    {
      "tag": "fileability-files-path",
      "name": "files-path",
      "path": "."
    },
    {
      "tag": "fileability-cache-path",
      "name": "external_file_path",
      "path": "."
    },
    {
      "tag": "fileability-external-cache-path",
      "name": "external_cache_path",
      "path": "."
    },
    {
      "tag": "fileability-root-path",
      "name": "root-path",
      "path": "."
    }
  ]
}

代碼

{
        try {
            //獲取文件類(lèi)型
            String type = getMIMEType(file);
            Intent intent = new Intent();
            intent.setType(type);
            Uri fileUri = FileAbility.getUriViaFile(mContext, "/ohos.data.file.FileAbility", file);
            Operation operation = new Intent.OperationBuilder()
                    .withAction(IntentConstants.ACTION_VIEW_DATA)
                    .withFlags(Intent.FLAG_ABILITY_NEW_MISSION)
                    .withUri(fileUri).build();
            intent.setOperation(operation);
            mContext.startAbility(intent, 0);
        } catch (Exception e) {
            Log.e(TAG, "openFile: " + e.getMessage());
        }
    }