Android/frameworks_base
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Replace HashMap with ArrayMap for services

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The number of services is pretty limited (100ish), use the more
memory efficient Map.

Test: tested on android go
Merged-In: I092c6816afba77fde4195c68a211804d4a561b77
Change-Id: I092c6816afba77fde4195c68a211804d4a561b77
This commit is contained in:
Robert Benea
2018-05-15 16:36:07 -07:00
committed by Brad Ebinger
parent a6874fccb6
commit 360b2c4434
2 changed files with 8 additions and 7 deletions
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11
core/java/android/app/SystemServiceRegistry.java
View File

@@ -150,6 +150,7 @@ import android.telephony.TelephonyManager;
import android.telephony.euicc.EuiccCardManager;
import android.telephony.euicc.EuiccManager;
import android.telephony.ims.RcsManager;
import android.util.ArrayMap;
import android.util.Log;
import android.view.ContextThemeWrapper;
import android.view.LayoutInflater;
@@ -171,7 +172,7 @@ import com.android.internal.net.INetworkWatchlistManager;
import com.android.internal.os.IDropBoxManagerService;
import com.android.internal.policy.PhoneLayoutInflater;
import java.util.HashMap;
import java.util.Map;
/**
* Manages all of the system services that can be returned by {@link Context#getSystemService}.
@@ -182,10 +183,10 @@ final class SystemServiceRegistry {
// Service registry information.
// This information is never changed once static initialization has completed.
private static final HashMap<Class<?>, String> SYSTEM_SERVICE_NAMES =
new HashMap<Class<?>, String>();
private static final HashMap<String, ServiceFetcher<?>> SYSTEM_SERVICE_FETCHERS =
new HashMap<String, ServiceFetcher<?>>();
private static final Map<Class<?>, String> SYSTEM_SERVICE_NAMES =
new ArrayMap<Class<?>, String>();
private static final Map<String, ServiceFetcher<?>> SYSTEM_SERVICE_FETCHERS =
new ArrayMap<String, ServiceFetcher<?>>();
private static int sServiceCacheSize;
// Not instantiable.

4
core/java/android/os/ServiceManager.java
View File

@@ -17,13 +17,13 @@
package android.os;
import android.annotation.UnsupportedAppUsage;
import android.util.ArrayMap;
import android.util.Log;
import com.android.internal.annotations.GuardedBy;
import com.android.internal.os.BinderInternal;
import com.android.internal.util.StatLogger;
import java.util.HashMap;
import java.util.Map;
/** @hide */
@@ -38,7 +38,7 @@ public final class ServiceManager {
* Cache for the "well known" services, such as WM and AM.
*/
@UnsupportedAppUsage
private static HashMap<String, IBinder> sCache = new HashMap<String, IBinder>();
private static Map<String, IBinder> sCache = new ArrayMap<String, IBinder>();
/**
* We do the "slow log" at most once every this interval.