56 lines
1.6 KiB
JavaScript
56 lines
1.6 KiB
JavaScript
/**
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* CPU WakeLock 保活工具
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* 申请 PARTIAL_WAKE_LOCK 保持CPU调度活跃
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* 防止 Android 10 后台 Native→JS Bridge 回调被阻塞
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*/
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let wakeLock = null
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export default {
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/**
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* 申请WakeLock（App启动/串口服务启动时调用）
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*/
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acquire() {
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// #ifdef APP-PLUS
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try {
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if (wakeLock) return // 已持有
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const main = plus.android.runtimeMainActivity()
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const PowerManager = plus.android.importClass('android.os.PowerManager')
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const pm = main.getSystemService('power')
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// PARTIAL_WAKE_LOCK: 仅保持CPU运行，不亮屏、不锁键盘
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wakeLock = pm.newWakeLock(
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PowerManager.PARTIAL_WAKE_LOCK,
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'endoscope:serial_service'
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)
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// 设置引用计数为false，避免多次acquire需对应次数release
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plus.android.invoke(wakeLock, 'setReferenceCounted', false)
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wakeLock.acquire()
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console.log('[wakeLock] PARTIAL_WAKE_LOCK 已获取')
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} catch (e) {
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console.error('[wakeLock] 获取失败:', e)
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}
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// #endif
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},
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/**
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* 释放WakeLock（串口服务完全停止时调用）
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*/
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release() {
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// #ifdef APP-PLUS
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try {
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if (wakeLock) {
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if (wakeLock.isHeld()) {
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wakeLock.release()
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console.log('[wakeLock] 已释放')
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}
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wakeLock = null
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}
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} catch (e) {
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console.error('[wakeLock] 释放失败:', e)
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}
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// #endif
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},
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}
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