Android ANR超时时间的定义

ANR超时时间在ActivityManagerService.java文件中进行了定义

Broadcast超时时间为10秒

// How long we allow a receiver to run before giving up on it.
static final int BROADCAST_FG_TIMEOUT = 10*1000;
static final int BROADCAST_BG_TIMEOUT = 60*1000;

按键无响应的超时时间为5秒

// How long we wait until we timeout on key dispatching.
static final int KEY_DISPATCHING_TIMEOUT = 5*1000;

// How long we wait until we timeout on key dispatching during instrumentation.
 static final int INSTRUMENTATION_KEY_DISPATCHING_TIMEOUT = 60*1000;

Service ANR超时的定义在ActiveServices.java中

前台Service无响应的超时时间为20秒，后台Service为200秒

// How long we wait for a service to finish executing.
static final int SERVICE_TIMEOUT = 20*1000;

// How long we wait for a service to finish executing.
static final int SERVICE_BACKGROUND_TIMEOUT = SERVICE_TIMEOUT * 10;