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Get current memory usage (app.used_memory)

Declaration​

mem = app.used_memory(bid_or_pid)

Parameters​

  • bid_or_pid
    String (bundle id) or Integer (pid).

Returns​

  • mem
    Number | nil. Memory usage in MB if the app is running, otherwise nil.

Example​

local qqmem = app.used_memory("com.tencent.mqq")
sys.alert("QQ memory usage: "..qqmem.." MB")

Note: uses non-chapter API sys.alert.