RK3128 Android 7 BOX SDK 应用无法接收广播自启 + 眠休不黑屏问题

前言

本文为继RK3128 Android 7 BOX SDK 修改为MID界面与 RK3128 Android 7 BOX SDK 修改为MID界面-近期任务后续.

问题

三方应用无法通过接收开机完成广播(BOOT_COMPLETED)完成自启.

LOG如下

Unable to launch app com.test/10033 for broadcast Intent
{ act=android.intent.action.BOOT_COMPLETED flg=0x9000010 (has extras) }: process is bad

分析解决

首先, LOG输出的位置:

frameworks/base/services/core/java/com/android/server/am/BroadcastQueue.java

if ((r.curApp=mService.startProcessLocked(targetProcess,info.activityInfo.applicationInfo, true,r.intent.getFlags() | Intent.FLAG_FROM_BACKGROUND,"broadcast", r.curComponent,(r.intent.getFlags()&Intent.FLAG_RECEIVER_BOOT_UPGRADE) != 0, false, false))== null) {// Ah, this recipient is unavailable.  Finish it if necessary,// and mark the broadcast record as ready for the next.Slog.w(TAG, "Unable to launch app "+ info.activityInfo.applicationInfo.packageName + "/"+ info.activityInfo.applicationInfo.uid + " for broadcast "+ r.intent + ": process is bad");

frameworks/base/services/core/java/com/android/server/am/ActivityManagerService.java

final ProcessRecord startProcessLocked(String processName,ApplicationInfo info, boolean knownToBeDead, int intentFlags,String hostingType, ComponentName hostingName, boolean allowWhileBooting,boolean isolated, boolean keepIfLarge) {return startProcessLocked(processName, info, knownToBeDead, intentFlags, hostingType,hostingName, allowWhileBooting, isolated, 0 /* isolatedUid */, keepIfLarge,null /* ABI override */, null /* entryPoint */, null /* entryPointArgs */,null /* crashHandler */);}final ProcessRecord startProcessLocked(String processName, ApplicationInfo info,boolean knownToBeDead, int intentFlags, String hostingType, ComponentName hostingName,boolean allowWhileBooting, boolean isolated, int isolatedUid, boolean keepIfLarge,String abiOverride, String entryPoint, String[] entryPointArgs, Runnable crashHandler) {//...省略中间代码...if((("true".equals(SystemProperties.get("ro.config.low_ram", "false")))||("true".equals(SystemProperties.get("ro.mem_optimise.enable", "false")))) && (!"true".equals(SystemProperties.get("cts_gts.status", "false")))){final ActivityRecord next = getFocusedStack().topRunningActivityLocked();if(next!= null && (!next.packageName.equals(processName)&& !processName.contains("antutu")) && next.packageName.contains("antutu")){if(DEBUG_LOWMEM)Slog.v("xzj", "process dont start because for antutu: " + next.packageName + "/" + info.processName);return null;}if((mProcessMap.get(processName) != null) && (("broadcast".equals(hostingType))||("content provider".equals(hostingType)))){if(DEBUG_LOWMEM)Slog.v("xzj", "process dont start because for filter: " + info.uid + "/" + info.processName);return null;}if((mServiceMap.get(processName) != null)&&("service".equals(hostingType))&&((info.flags & ApplicationInfo.FLAG_IS_GAME) !=0))//for service start by system{if(DEBUG_LOWMEM)Slog.v("xzj", "service dont start auto because for filter: " + info.uid + "/" + info.processName);return null;  }if(((info.flags & ApplicationInfo.FLAG_SYSTEM) ==0)&&("broadcast".equals(hostingType))){//从这里返回if(DEBUG_LOWMEM)Slog.v("xzj", "third part process dont start for broadcast: " + info.uid + "/" + info.processName);return null;}if(mGameMap.get(processName) != null){killAllBackgroundProcesses();if(DEBUG_LOWMEM)Slog.v("xzj", "----clean memory for start " + info.processName);  }}

基本可以定位问题点, 进一步验证:

//获取属性值:
rk3128_box:/ $ getprop ro.mem_optimise.enable
true

判断非系统应用则返回处理.

if(((info.flags & ApplicationInfo.FLAG_SYSTEM) ==0)&&("broadcast".equals(hostingType)))

ro.mem_optimise.enable从属性名可以推断出这是为了优化低内存平台的用户体验, 减少自启应用以降低系统的内存占用率.

解决的方案:

ro.mem_optimise.enable 设置为false
以上代码中增加白名单, 允许指定第三方应用自启

眠休不黑屏

设置休眠15秒后, 屏幕只是变暗而不关闭:

diff --git a/device/rockchip/common/tv/overlay/frameworks/base/packages/SettingsProvider/res/values/defaults.xml b/device/rockchip/common/tv/overlay/frameworks/base/packages/SettingsProvider/res/values/defaults.xml
index 40021f719c..92bdfb40b9 100644
--- a/device/rockchip/common/tv/overlay/frameworks/base/packages/SettingsProvider/res/values/defaults.xml
+++ b/device/rockchip/common/tv/overlay/frameworks/base/packages/SettingsProvider/res/values/defaults.xml
@@ -26,7 +26,7 @@<bool name="def_device_provisioned">true</bool><!-- Keep screen on at all times by default -->
-    <bool name="def_stay_on_while_plugged_in">true</bool>
+    <bool name="def_stay_on_while_plugged_in">false</bool><!-- Do not give up on DHCP --><integer name="def_max_dhcp_retries">0</integer>

相当代码可以参考看看

进入休眠前的几个函数:
PowerManagerService|-- handleUserActivityTimeout|-- updatePowerStateLocked|-- updateWakefulnessLocked //不进黑屏是到这里后没有进入下一个函数|-- goToSleepNoUpdateLocked //进入休眠

frameworks/base/services/core/java/com/android/server/power/PowerManagerService.java

        mStayOnWhilePluggedInSetting = Settings.Global.getInt(resolver,Settings.Global.STAY_ON_WHILE_PLUGGED_IN, BatteryManager.BATTERY_PLUGGED_AC);/*** Updates the value of mStayOn.* Sets DIRTY_STAY_ON if a change occurred.*/private void updateStayOnLocked(int dirty) {if ((dirty & (DIRTY_BATTERY_STATE | DIRTY_SETTINGS)) != 0) {final boolean wasStayOn = mStayOn;if (mStayOnWhilePluggedInSetting != 0&& !isMaximumScreenOffTimeoutFromDeviceAdminEnforcedLocked()) {mStayOn = mBatteryManagerInternal.isPowered(mStayOnWhilePluggedInSetting);} else {mStayOn = false;}if (mStayOn != wasStayOn) {mDirty |= DIRTY_STAY_ON;}}}

    /*** Returns true if the device should go to sleep now.* Also used when exiting a dream to determine whether we should go back* to being fully awake or else go to sleep for good.*/private boolean isItBedTimeYetLocked() {return mBootCompleted && !isBeingKeptAwakeLocked();}/*** Returns true if the device is being kept awake by a wake lock, user activity* or the stay on while powered setting.  We also keep the phone awake when* the proximity sensor returns a positive result so that the device does not* lock while in a phone call.  This function only controls whether the device* will go to sleep or dream which is independent of whether it will be allowed* to suspend.*/private boolean isBeingKeptAwakeLocked() {return mStayOn|| mProximityPositive|| (mWakeLockSummary & WAKE_LOCK_STAY_AWAKE) != 0|| (mUserActivitySummary & (USER_ACTIVITY_SCREEN_BRIGHT| USER_ACTIVITY_SCREEN_DIM)) != 0|| mScreenBrightnessBoostInProgress;}/*** Updates the wakefulness of the device.** This is the function that decides whether the device should start dreaming* based on the current wake locks and user activity state.  It may modify mDirty* if the wakefulness changes.** Returns true if the wakefulness changed and we need to restart power state calculation.*/private boolean updateWakefulnessLocked(int dirty) {boolean changed = false;if ((dirty & (DIRTY_WAKE_LOCKS | DIRTY_USER_ACTIVITY | DIRTY_BOOT_COMPLETED| DIRTY_WAKEFULNESS | DIRTY_STAY_ON | DIRTY_PROXIMITY_POSITIVE| DIRTY_DOCK_STATE)) != 0) {if (mWakefulness == WAKEFULNESS_AWAKE && isItBedTimeYetLocked()) {if (DEBUG_SPEW) {Slog.d(TAG, "updateWakefulnessLocked: Bed time...");}final long time = SystemClock.uptimeMillis();if (shouldNapAtBedTimeLocked()) {changed = napNoUpdateLocked(time, Process.SYSTEM_UID);} else {changed = goToSleepNoUpdateLocked(time,PowerManager.GO_TO_SLEEP_REASON_TIMEOUT, 0, Process.SYSTEM_UID);}}}return changed;}

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RK3128 Android 7 BOX SDK 应用无法接收广播自启 + 眠休不黑屏问题

前言

问题

分析解决

眠休不黑屏

RK3128 Android 7 BOX SDK 应用无法接收广播自启 + 眠休不黑屏问题相关推荐

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