android 5.1 清除最近任务后将launcher强制关闭，再按返回键黑屏问题

最新推荐文章于 2025-09-29 00:07:04 发布

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针对Android 5.1系统在清除最近任务导致Launcher被强制关闭且按返回键出现黑屏的问题，通过在`ActivityStackSupervisor.java`中添加特定代码块，可以解决此黑屏现象。修改涉及在系统恢复Home活动时不进行递归恢复，而是调度再次启动。

在Ａ６４ android 5.1 平台发现清除最近任务后将launcher强制关闭，再按返回键黑屏，不会自动启动ｌａｕｎｃｈｅｒ问题。

添加以下处理解决黑屏问题:

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

diff --git a/services/core/java/com/android/server/am/ActivityStackSupervisor.java b/services/core/java/com/android/serve

index 78a8e2a..3440c9b 100755

--- a/services/core/java/com/android/server/am/ActivityStackSupervisor.java

+++ b/services/core/java/com/android/server/am/ActivityStackSupervisor.java

@@ -836,6 +836,13 @@ public final class ActivityStackSupervisor implements DisplayListener {

         moveHomeStackTaskToTop(HOME_ACTIVITY_TYPE, reason);

         startActivityLocked(null, intent, null, aInfo, null, null, null, null, 0, 0, 0, null,

                 0, 0, 0, null, false, null, null, null);

+

+        if (inResumeTopActivity) {

+            // If we are in resume section already, home activity will be initialized, but not

+            // resumed (to avoid recursive resume) and will stay that way until something pokes it

+            // again. We need to schedule another resume.

+            scheduleResumeTopActivities();

+        }

}

     final int startActivityMayWait(IApplicationThread caller, int callingUid,