关机闹钟

最新推荐文章于 2024-06-27 09:34:07 发布

lf12345678910

最新推荐文章于 2024-06-27 09:34:07 发布

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分类专栏： Android 电源专项

本文链接：https://blog.youkuaiyun.com/lf12345678910/article/details/62216050

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这篇博客探讨了Android系统中的关机闹钟功能。通过分析`android_reboot`函数和`PackageManagerService`的扫描过程，揭示了系统如何处理在关机时触发的闹钟应用。文章还提到了`isPowerOffAlarmPackage`方法，用于检查应用程序是否属于关机闹钟包，并列出了部分默认的关机闹钟应用清单。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

:~/xxx$ grep -rsn "ro.bootmode"

system/core/libcutils/android_reboot.c:239:int android_reboot(int cmd, int flags, const char *arg)

W PackageManager: Failed to parse /system/app/xdivert: Not a powerOffAlarmApp: /system/app/xdivert

PackageManagerService.java

private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) {

            Runnable scanTask = new Runnable() {
                public void run() {
                    try {
                        scanPackageTracedLI(ref_file, ref_parseFlags | PackageParser.PARSE_MUST_BE_APK,
                                ref_scanFlags, ref_currentTime, null);
                    } catch (PackageManagerException e) {
                        Slog.w(TAG, "Failed to parse " + ref_file + ": " + e.getMessage());

                        // Delete invalid userdata apps

}

PackageParser.java
/* * Check if the package belongs to power off alarm packages */

private boolean isPowerOffAlarmPackage(String packageName) {}

    <string-array name="power_off_alarm_apps">
        <item>android</item>
        <item>com.android.location.fused</item>
        <item>com.android.settings</item>
        <item>com.android.defcontainer</item>
        <item>com.android.poweronalert</item>
        <item>com.android.shell</item>
        <item>com.android.deskclock</item>
        <item>com.android.providers.media</item>
        <item>com.android.inputdevices</item>
        <item>com.android.providers.settings</item>
        <item>com.android.externalstorage</item>
        <item>com.android.providers.downloads.ui</item>
        <item>com.android.packageinstaller</item>
    </string-array>