Created
November 20, 2019 20:47
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HowToWaitForIdleHandlers
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fun waitForLoopers(loopers: List<Looper>) { | |
val idleDetectors = loopers.map { HandlerIdleDetector(Handler(it)) } | |
while (idleDetectors.any { !it.isIdle }) { | |
} | |
} | |
class HandlerIdleDetector(val handler: Handler) { | |
var isIdle = false | |
init { | |
postIdleCheck() | |
} | |
private fun postIdleCheck() { | |
handler.post { | |
do { | |
isIdle = handler.looper.queue.isIdle | |
} while (isIdle) | |
postIdleCheck() | |
} | |
} | |
} |
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