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Commit 0754b27b authored by Martijn Coenen's avatar Martijn Coenen
Browse files

Add SystemProperties.reportSyspropChanged(). 

To support notifying libutils of system property
changes.

Bug: 31262344
Test: builds
Change-Id: Iea77532eaa84d00f7d640edd1e3a1da66afdadc5
parent c6c005ef

core/java/android/os/SystemProperties.java

+8 −0
Original line number Diff line number Diff line
@@ -39,6 +39,7 @@ public class SystemProperties 
    private static native boolean native_get_boolean(String key, boolean def);

    private static native void native_set(String key, String def);

    private static native void native_add_change_callback();

    private static native void native_report_sysprop_change();



    /**

     * Get the value for the given key.
@@ -151,4 +152,11 @@ public class SystemProperties 
            }

        }

    }



    /*

     * Notifies listeners that a system property has changed

     */

    public static void reportSyspropChanged() {

        native_report_sysprop_change();

    }

}

core/jni/android_os_SystemProperties.cpp

+7 −0
Original line number Diff line number Diff line
@@ -220,6 +220,11 @@ static void SystemProperties_add_change_callback(JNIEnv *env, jobject clazz) 
    }

}



static void SystemProperties_report_sysprop_change(JNIEnv /**env*/, jobject /*clazz*/)

{

    report_sysprop_change();

}



static const JNINativeMethod method_table[] = {

    { "native_get", "(Ljava/lang/String;)Ljava/lang/String;",

      (void*) SystemProperties_getS },
@@ -235,6 +240,8 @@ static const JNINativeMethod method_table[] = { 
      (void*) SystemProperties_set },

    { "native_add_change_callback", "()V",

      (void*) SystemProperties_add_change_callback },

    { "native_report_sysprop_change", "()V",

      (void*) SystemProperties_report_sysprop_change },

};



int register_android_os_SystemProperties(JNIEnv *env)