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做锁屏肯定用到了service，可是我发现每日手动点击自带的内存清理按钮的时候，我的那个service总是会被杀死。
而微信的后台服务却是一直正常的运行，不会被杀掉。
360的话也不会被杀死，但是360会重新启动。而且360的是两个后台服务，我猜有可能会相互作用的，杀死一个的时候另一个接收到广播把其重启。
尝试过用startForeground以及提高service优先级的方式，发现都不行，service都会被杀死。
反编译了一下微信的代码。
请大家帮忙想想办法吧。谢了
下面是微信的注册service：
<service
android:name="com.tencent.mm.booter.CoreService"
android:process=":push"
>
</service>
public class CoreService extends Service
implements com.tencent.mm.jni.platformcomm.f, af, bl
{
private ao bZl;
private ac bZm = new ac();
private boolean bZn = true;
public final int bZo = -1213;
private final ai bZp = new e(this);
private com.tencent.mm.modelstat.l bZq = null;
private AddrBookObserver bZr;
private WatchDogPushReceiver bZs;
private WakerLock bZt = null;
private m bZu = new m();
private ay bZv = new ay(new g(this), false);
private void oj()
{
aa.w("MicroMsg.CoreService", "[COMPLETE EXIT]");
bk.Fg().d(3, 10000, "");
bg.onDestroy();
try
{
MMReceivers.AlarmReceiver.D(getApplicationContext());
MMReceivers.AlarmReceiver.B(getApplicationContext());
Alarm.H(getApplicationContext());
label43: aa.appenderClose();
Process.killProcess(Process.myPid());
return;
}
catch (Exception localException)
{
break label43;
}
}
public final void H(boolean paramBoolean)
{
if (!paramBoolean)
{
aa.w("MicroMsg.CoreService", "[NETWORK LOST]");
bk.Fc().cFB = false;
bk.Fd().eJ(0);
bk.Fb().a(10502, "", null);
this.bZn = false;
return;
}
aa.w("MicroMsg.CoreService", "[NETWORK CONNECTED]");
bk.Fc().cFB = true;
boolean bool = this.bZm.oM();
if ((this.bZn) && (!bool))
{
Object[] arrayOfObject = new Object[1];
arrayOfObject[0] = Boolean.valueOf(this.bZn);
aa.d("MicroMsg.CoreService", "network not change or can't get network info, lastStatus connect:%b", arrayOfObject);
return;
}
if (bool)
bk.Ff().EN();
this.bZn = true;
bk.Fd().eJ(1);
bk.Fb().a(10501, "", null);
if (this.bZt == null)
this.bZt = new WakerLock(getApplicationContext());
if (!this.bZt.isLocking())
this.bZt.lock(14000L);
aa.i("MicroMsg.CoreService", "checking ready, start in 7000ms");
this.bZv.bO(7000L);
}
public final boolean a(int paramInt, byte[] paramArrayOfByte)
{
if (getSharedPreferences("system_config_prefs", com.tencent.mm.compatible.g.l.qi()).getBoolean("settings_fully_exit", true))
{
aa.i("MicroMsg.CoreService", "fully exited, no need to notify worker");
return false;
}
Intent localIntent = new Intent(this, NotifyReceiver.class);
localIntent.putExtra("notify_option_type", 2);
localIntent.putExtra("notify_uin", this.bZl.ES().sd());
localIntent.putExtra("notify_respType", paramInt);
localIntent.putExtra("notify_respBuf", paramArrayOfByte);
localIntent.putExtra("notfiy_recv_time", cj.FD());
localIntent.putExtra("notify_skey", this.bZl.ES().uo());
aa.i("MicroMsg.CoreService", "notify broadcast:" + localIntent.getAction() + ", type=" + paramInt);
try
{
sendBroadcast(localIntent);
return true;
}
catch (Exception localException)
{
while (true)
{
Object[] arrayOfObject = new Object[1];
arrayOfObject[0] = localException.toString();
aa.a("MicroMsg.CoreService", "onNotify hasDestroyed %s", arrayOfObject);
}
}
}
public IBinder onBind(Intent paramIntent)
{
aa.d("MicroMsg.CoreService", "onBind~~~ threadID:" + Thread.currentThread());
return this.bZl;
}
public void onCreate()
{
aa.d("MicroMsg.CoreService", "onCreate~~~threadID:" + Thread.currentThread());
super.onCreate();
if (Build.VERSION.SDK_INT < 18)
startForeground(-1213, new Notification());
Handler localHandler = new Handler(Looper.getMainLooper());
PlatformComm.a(al.getContext(), localHandler);
i locali = new i(this);
locali.om();
ag.a(this.bZp);
if (PlatformComm.cgz == null)
PlatformComm.cgz = this;
bk.a(localHandler);
bk.setContext(getApplicationContext());
bk.a(new bm());
bk.a(new bn());
bk.a(this);
if (this.bZq == null)
this.bZq = new com.tencent.mm.modelstat.l();
bk.a(this.bZq);
this.bZl = bk.Ff();
if (this.bZl == null)
{
aa.i("MicroMsg.CoreService", "autoAuth is null and new one");
this.bZl = new ao(bk.getHandler());
bk.e(this.bZl);
bg.onCreate();
if (bk.Fg() != null)
break label465;
aa.i("MicroMsg.CoreService", "NetTaskAdapter is null and new one");
bk.a(new bi());
label228: if (bk.Fh() == null)
{
aa.i("MicroMsg.CoreService", "NetTaskAdapter is null and new one");
bk.a(new bh());
bk.Fh().cFn = this;
}
at.azE().a(new f(this), null);
String str1 = locali.getString(".com.tencent.mm.debug.server.host.http");
String str2 = locali.getString(".com.tencent.mm.debug.server.ports.http");
String str3 = locali.getString(".com.tencent.mm.debug.server.host.socket");
String str4 = locali.getString(".com.tencent.mm.debug.server.ports.socket");
this.bZl.d(str1, str2, str3, str4);
MMReceivers.AlarmReceiver.D(getApplicationContext());
MMReceivers.AlarmReceiver.C(getApplicationContext());
NetworkInfo localNetworkInfo = ((ConnectivityManager)getSystemService("connectivity")).getActiveNetworkInfo();
if ((localNetworkInfo != null) && (localNetworkInfo.getState() == NetworkInfo.State.CONNECTED))
break label482;
bk.Fc().cFB = false;
bk.Fd().eJ(0);
}
while (true)
{
this.bZr = new AddrBookObserver(this, new Handler());
getContentResolver().registerContentObserver(c.aph(), true, this.bZr);
this.bZs = new WatchDogPushReceiver();
registerReceiver(this.bZs, new IntentFilter("com.tencent.mm.WatchDogPushReceiver"));
return;
aa.w("MicroMsg.CoreService", "autoAuth is not null and reset");
this.bZl.reset();
break;
label465: aa.w("MicroMsg.CoreService", "NetTaskAdapter is not null and reset");
bk.Fg().reset();
break label228;
label482: bk.Fc().cFB = true;
bk.Fd().eJ(1);
}
}
public void onDestroy()
{
aa.d("MicroMsg.CoreService", "onDestroy~~~ threadID:" + Thread.currentThread());
this.bZq.a(10002, null, null);
getContentResolver().unregisterContentObserver(this.bZr);
unregisterReceiver(this.bZs);
super.onDestroy();
oj();
}
public void onRebind(Intent paramIntent)
{
aa.d("MicroMsg.CoreService", "onRebind~~~ threadID:" + Thread.currentThread());
super.onRebind(paramIntent);
}
public boolean onUnbind(Intent paramIntent)
{
aa.d("MicroMsg.CoreService", "onUnbind~~~ threadID:" + Thread.currentThread());
bk.Fc().a(null);
return super.onUnbind(paramIntent);
}
public final void restartProcess()
{
aa.w("MicroMsg.CoreService", "restartProcess");
oj();
}
}
微信这个应用根本没有退出。而是在后台运行着，
微信使用的是bindService，由于应用没有退出。所以不会内存管理器被杀死。
android 系统杀程序，一个很重要的判断就是软件系统资源的占用情况。
微信不会杀死的原因是小米系统用的是腾讯管家模块进行关系的，
所以进行内存清理的时候，自带的系统自然不会清理微信的产品了。
但是360手机卫士虽然被清理掉了，但是能自动重启，这点真的很厉害。
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