user interface - How to implement folder-picker android? -

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i'm writing small corporate program sends photos company's server.

each photo should fall specially allocated folder, example photo of forest should in folder nature -> forest. directory tree i'm getting server list of objects fields:

  • name
  • id
  • parentid
  • prefix

where prefix ​​a numeric value, example:

  1. nature - 1000;
    • forest - 1100
    • hill - 1200
  2. animals - 2000
    • bear - 2100
    • mouse - 2200
    • and on.

in order send photo user needs select appropriate folder. question is, how implement easy , clear folder-picker?

at moment, picker made using autocompletetextview, in order enter first 3 letters of folder name - name should remembered user , if folders around 10, not difficult, if folders become more 100 - hold names in head become impossible.

maybe have idea how implement user interface select folder, without forcing employees learn hundred names?





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