Bad notification posted from package com.notify: Couldn't create icon

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本文介绍了一种在Android应用程序中遇到的通知图标加载失败的问题及其解决方案。该问题源于系统重启时通知图标资源未能及时加载，导致应用程序抛出异常。文中提供了一个实用的方法来规避此问题，即使用应用程序图标作为默认的小图标。

问题：Bad notification posted from package com.notify: Couldn't create icon

09-19 21:10:05.725 1600-1600/? W/ResourceType: No known package when getting value for resource number 0x2714000e
09-19 21:10:05.725 1600-1600/? E/Icon: Unable to load resource 0x2714000e from pkg=com.notify
                                       android.content.res.Resources$NotFoundException: Resource ID #0x2714000e
                                           at android.content.res.ResourcesImpl.getValueForDensity(ResourcesImpl.java:288)
                                           at android.content.res.Resources.getDrawableForDensity(Resources.java:1026)
                                           at android.content.res.Resources.getDrawable(Resources.java:969)
                                           at android.graphics.drawable.Icon.loadDrawableInner(Icon.java:324)
                                           at android.graphics.drawable.Icon.loadDrawable(Icon.java:277)
                                           at android.graphics.drawable.Icon.loadDrawableAsUser(Icon.java:388)
                                           at com.android.systemui.statusbar.StatusBarIconView.getIcon(StatusBarIconView.java:295)
                                           at com.android.systemui.statusbar.StatusBarIconView.getIcon(StatusBarIconView.java:273)
                                           at com.android.systemui.statusbar.StatusBarIconView.updateDrawable(StatusBarIconView.java:259)
                                           at com.android.systemui.statusbar.StatusBarIconView.set(StatusBarIconView.java:221)
                                           at com.android.systemui.statusbar.BaseStatusBar.createIcon(BaseStatusBar.java:2643)
                                           at com.android.systemui.statusbar.BaseStatusBar.createNotificationViews(BaseStatusBar.java:2598)
                                           at com.android.systemui.statusbar.phone.PhoneStatusBar.addNotification(PhoneStatusBar.java:1879)
                                           at com.android.systemui.statusbar.BaseStatusBar$7$2.run(BaseStatusBar.java:798)
                                           at android.os.Handler.handleCallback(Handler.java:808)
                                           at android.os.Handler.dispatchMessage(Handler.java:101)
                                           at android.os.Looper.loop(Looper.java:166)
                                           at android.app.ActivityThread.main(ActivityThread.java:7425)
                                           at java.lang.reflect.Method.invoke(Native Method)
                                           at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:245)
                                           at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:921)
09-19 21:10:05.725 1600-1600/? W/StatusBarIconView: No icon for slot com.notify/0x309
09-19 21:10:05.726 1600-1600/? W/StatusBar: removeNotification for unknown key: 0|com.notify|777|null|10532
09-19 21:10:05.728 1167-1469/? E/AwareLog: RMS.AwareAppAssociate: Unknown EventID: 21
09-19 21:10:05.728 1167-1469/? E/AwareLog: RMS.AwareAppAssociate: Unknown EventID: 21
09-19 21:10:05.729 17885-17885/com.notify W/System.err: android.app.RemoteServiceException: Bad notification posted from package com.notify: Couldn't create icon: StatusBarIcon(icon=Icon(typ=RESOURCE pkg=com.notify id=0x2714000e) visible user=0 )
09-19 21:10:05.729 17885-17885/com.notify W/System.err:     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2101)
09-19 21:10:05.729 17885-17885/com.notify W/System.err:     at android.taobao.atlas.runtime.ActivityThreadHook.handleMessage(ActivityThreadHook.java:290)
09-19 21:10:05.729 17885-17885/com.notify W/System.err:     at android.os.Handler.dispatchMessage(Handler.java:104)
09-19 21:10:05.729 17885-17885/com.notify W/System.err:     at android.os.Looper.loop(Looper.java:166)
09-19 21:10:05.729 17885-17885/com.notify W/System.err:     at android.app.ActivityThread.main(ActivityThread.java:7425)
09-19 21:10:05.729 17885-17885/com.notify W/System.err:     at java.lang.reflect.Method.invoke(Native Method)
09-19 21:10:05.729 17885-17885/com.notify W/System.err:     at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:245)
09-19 21:10:05.729 17885-17885/com.notify W/System.err:     at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:245)
09-19 21:10:05.729 17885-17885/com.notify W/System.err:     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:921)

解决：

1、思路

从这句话中No known package when getting value for resource number 0x2714000e 获取知道，系统运行无法找到0x2714000e对应的资源，通过搜索R.java文件，发现是0x2714000e对应notify.png图片，那么明确是在运行的时候没有找到图片资源。

2、原因

这个问题一般是由于setSmallIcon(R.drawable.notify)时候，在某些情况下（比如开启重启动系统就要发送通知），R.drawable.notify这个资源尚未准备好，导致了App异常。

3、解决

从ApplicationInfo中拿到应用icon当作SmallIcon图片；

setSmallIcon(context.getApplicationInfo().icon)

总结，要抢在系统重启动之前拿到icon，而不至于拿到一个空的resId。