项目在平板电脑上无法运行，出现ANR

最新推荐文章于 2025-12-03 23:19:21 发布

最新推荐文章于 2025-12-03 23:19:21 发布 · 111 阅读

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本文记录了一次应用程序出现ANR(Application Not Responding)的问题排查过程。问题出现在启动特定服务时发生阻塞，最终发现是由网络连接问题导致的服务启动失败。通过调整应用程序的目标SDK版本暂时解决了主题显示异常的问题。

03-12 10:35:05.030: E/ActivityManager(127): ANR in com.xxxxx.app
03-12 10:35:05.030: E/ActivityManager(127): Reason: Executing service com.xxxxx.app/.service.xxxxService
03-12 10:35:05.030: E/ActivityManager(127): Load: 0.01 / 0.08 / 0.1
03-12 10:35:05.030: E/ActivityManager(127): CPU usage from 5134ms to 0ms ago:
03-12 10:35:05.030: E/ActivityManager(127): 2.5% 127/system_server: 0.7% user + 1.7% kernel / faults: 8 minor
03-12 10:35:05.030: E/ActivityManager(127): 0.9% 291/android.process.acore: 0.9% user + 0% kernel / faults: 65 minor
03-12 10:35:05.030: E/ActivityManager(127): 0.7% 5/kworker/u:0: 0% user + 0.7% kernel
03-12 10:35:05.030: E/ActivityManager(127): 0.1% 3/ksoftirqd/0: 0% user + 0.1% kernel
03-12 10:35:05.030: E/ActivityManager(127): 0% 183/com.android.systemui: 0% user + 0% kernel
03-12 10:35:05.030: E/ActivityManager(127): 0% 189/dhd_watchdog: 0% user + 0% kernel
03-12 10:35:05.030: E/ActivityManager(127): 0.1% 190/dhd_dpc: 0% user + 0.1% kernel
03-12 10:35:05.030: E/ActivityManager(127): 0.1% 214/wpa_supplicant: 0.1% user + 0% kernel
03-12 10:35:05.030: E/ActivityManager(127): 0% 996/kworker/1:2: 0% user + 0% kernel
03-12 10:35:05.030: E/ActivityManager(127): 0% 1105/kworker/0:2: 0% user + 0% kernel
03-12 10:35:05.030: E/ActivityManager(127): 2.2% TOTAL: 0.9% user + 1.1% kernel + 0% softirq
03-12 10:35:05.030: E/ActivityManager(127): CPU usage from 298ms to 824ms later:
03-12 10:35:05.030: E/ActivityManager(127): 7.4% 127/system_server: 0% user + 7.4% kernel
03-12 10:35:05.030: E/ActivityManager(127): 3.7% 146/ActivityManager: 0% user + 3.7% kernel
03-12 10:35:05.030: E/ActivityManager(127): 1.8% 145/er.ServerThread: 1.8% user + 0% kernel

03-12 10:35:05.030: E/ActivityManager(127): 3.7% TOTAL: 0% user + 3.7% kernel

好奇怪：

解决方法：在manifest.xml中添加

 android:targetSdkVersion="11"

Open your manifest file and update the<uses-sdk>element to setandroid:targetSdkVersionto"11". For example:

<manifest ... >
  <uses-sdk android:minSdkVersion="4" 
       android:targetSdkVersion="11" />
  <application ... >
    ...
  <application>
</manifest>

它的解释如下：

By targeting the Android 3.0 platform, the system automatically applies the holographic theme to each activity when your application runs on an Android 3.0 device. The holographic theme provides a new design for widgets, such as buttons and text boxes, and new styles for other visual elements. This is the standard theme for applications built for Android 3.0, so your application will look and feel consistent with the system and other applications when it is enabled.

Additionally, when an activity uses the holographic theme, the system enables theAction Barfor the activity and removes the Options Menu button in the system bar. The Action Bar replaces the traditional title bar at the top of the activity window and provides the user access to the activity's Options Menu.

今天发现问题原因并不在这里，好像是网络问题，因为网络不阻塞，导致程序启动不了，开起那个service的时候一直在阻塞，所以导致ANR