MainLooperWatcher

package com.iflytek.autofly.mediax

import android.os.Debug

import android.os.Looper

import android.os.SystemClock

import android.text.TextUtils

import android.util.Log

import android.util.Printer

import android.util.StringBuilderPrinter

// watch all runnable which post in main thread

class MainLooperWatcher : Printer {

private val TAG ="MainLooperWatcher"

    private var mLastMillis: Long =0

    fun mainThreadWatcher() {

Looper.getMainLooper().setMessageLogging(this)

}

override fun println(msg: String?) {

// ignore system task

        if (msg ==null

                || TextUtils.isEmpty(msg)

||msg.contains("Choreographer")

||msg.contains("ActivityThread\$H")

)return

        if (msg.startsWith(">>>>> Dispatching")) {

mLastMillis = SystemClock.elapsedRealtime()

}else if (msg.startsWith("<<<<< Finished")) {

val now = SystemClock.elapsedRealtime()

val usedMillis = now -mLastMillis

            if (usedMillis <16L) {

return

            }

if (usedMillis <100L) {

Log.w(TAG, " $usedMillis ms used for $msg")

return

            }

if (usedMillis >=100L) {

report(msg, usedMillis)

}

}

}

private fun report(msg: String, usedMillis: Long) {

val sb = StringBuilder()

Looper.getMainLooper().dump(StringBuilderPrinter(sb), "")

Log.e(TAG, "$usedMillis ms used for $msg, $sb")

val exp ="[Block Runnable] ${usedMillis}ms used for ${msg}"

        Log.e(TAG, exp)

if (Debug.isDebuggerConnected() || Debug.waitingForDebugger()){

return

        }

if (BuildConfig.DEBUG && usedMillis >2000) {

throw RuntimeException(exp)

}

}

}