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copied!<p>From <a href="https://android.googlesource.com/platform/frameworks/base.git/+/android-4.2.2_r1/services/java/com/android/server/am/ActiveServices.java" rel="noreferrer">com/android/server/am/ActiveServices.java</a> (not exposed)</p> <pre><code>// How long we wait for a service to finish executing. static final int SERVICE_TIMEOUT = 20*1000; // How long a service needs to be running until restarting its process // is no longer considered to be a relaunch of the service. static final int SERVICE_RESTART_DURATION = 5*1000; // How long a service needs to be running until it will start back at // SERVICE_RESTART_DURATION after being killed. static final int SERVICE_RESET_RUN_DURATION = 60*1000; // Multiplying factor to increase restart duration time by, for each time // a service is killed before it has run for SERVICE_RESET_RUN_DURATION. static final int SERVICE_RESTART_DURATION_FACTOR = 4; // The minimum amount of time between restarting services that we allow. // That is, when multiple services are restarting, we won't allow each // to restart less than this amount of time from the last one. static final int SERVICE_MIN_RESTART_TIME_BETWEEN = 10*1000; // Maximum amount of time for there to be no activity on a service before // we consider it non-essential and allow its process to go on the // LRU background list. static final int MAX_SERVICE_INACTIVITY = 30*60*1000; </code></pre> <p>What's happening for you probably is your service is dying quicker then <code>SERVICE_RESET_RUN_DURATION</code> and then restart time is multiplied by <code>SERVICE_RESTART_DURATION_FACTOR</code>.</p> <p>Starting from line #881:</p> <pre><code> // If it has been a "reasonably long time" since the service // was started, then reset our restart duration back to // the beginning, so we don't infinitely increase the duration // on a service that just occasionally gets killed (which is // a normal case, due to process being killed to reclaim memory). if (now > (r.restartTime+resetTime)) { r.restartCount = 1; r.restartDelay = minDuration; } else { if ((r.serviceInfo.applicationInfo.flags &ApplicationInfo.FLAG_PERSISTENT) != 0) { // Services in peristent processes will restart much more // quickly, since they are pretty important. (Think SystemUI). r.restartDelay += minDuration/2; } else { r.restartDelay *= SERVICE_RESTART_DURATION_FACTOR; if (r.restartDelay < minDuration) { r.restartDelay = minDuration; } } } </code></pre> <p>Line below does the backing off your service.</p> <pre><code>r.restartDelay *= SERVICE_RESTART_DURATION_FACTOR; </code></pre> <p>So you should fix the case if your service is dying before running for <code>SERVICE_RESET_RUN_DURATION</code>.</p>

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