1.android系统的关机,重启代码位于frameworks/base/core/jni/android_os_Power.cpp,里面有
static void android_os_Power_shutdown(JNIEnv *env, jobject clazz)
{/*关机*/
sync();
#ifdef HAVE_ANDROID_OS
reboot(RB_POWER_OFF);
#endif
}
static void android_os_Power_reboot(JNIEnv *env, jobject clazz, jstring reason)
{/*重启*/
sync();
#ifdef HAVE_ANDROID_OS
if (reason == NULL) {
reboot(RB_AUTOBOOT);
} else {
const char *chars = env->GetStringUTFChars(reason, NULL);
__reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2,
LINUX_REBOOT_CMD_RESTART2, (char*) chars);
env->ReleaseStringUTFChars(reason, chars); // In case it fails.
}
jniThrowIOException(env, errno);
#endif
}
2.最终会调用到linux中的sys_reboot,所以我们还是可以做到在android中加入重启功能的;