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Commit 6516885e authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Android (Google) Code Review
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Merge "Add a new feature to store IncFs version." into sc-dev

parents 08c619d6 50bc17cd

core/api/system-current.txt

+2 −1
Original line number Diff line number Diff line
@@ -2523,7 +2523,8 @@ package android.content.pm { 
    field public static final String FEATURE_BROADCAST_RADIO = "android.hardware.broadcastradio";

    field public static final String FEATURE_CONTEXT_HUB = "android.hardware.context_hub";

    field public static final String FEATURE_CROSS_LAYER_BLUR = "android.software.cross_layer_blur";

    field public static final String FEATURE_INCREMENTAL_DELIVERY = "android.software.incremental_delivery";

    field @Deprecated public static final String FEATURE_INCREMENTAL_DELIVERY = "android.software.incremental_delivery";

    field public static final String FEATURE_INCREMENTAL_DELIVERY_VERSION = "android.software.incremental_delivery_version";

    field public static final String FEATURE_REBOOT_ESCROW = "android.hardware.reboot_escrow";

    field public static final String FEATURE_TELEPHONY_CARRIERLOCK = "android.hardware.telephony.carrierlock";

    field public static final String FEATURE_TELEPHONY_IMS_SINGLE_REGISTRATION = "android.hardware.telephony.ims.singlereg";

core/java/android/content/pm/PackageManager.java

+18 −1
Original line number Diff line number Diff line
@@ -3592,14 +3592,31 @@ public abstract class PackageManager { 
     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device has

     * the requisite kernel support to support incremental delivery aka Incremental FileSystem.

     *

     * @see IncrementalManager#isEnabled

     * @see IncrementalManager#isFeatureEnabled

     * @hide

     *

     * @deprecated Use {@link #FEATURE_INCREMENTAL_DELIVERY_VERSION} instead.

     */

    @Deprecated

    @SystemApi

    @SdkConstant(SdkConstantType.FEATURE)

    public static final String FEATURE_INCREMENTAL_DELIVERY =

            "android.software.incremental_delivery";



    /**

     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:

     * feature not present - IncFs is not present on the device.

     * 1 - IncFs v1, core features, no PerUid support. Optional in R.

     * 2 - IncFs v2, PerUid support, fs-verity support. Required in S.

     *

     * @see IncrementalManager#isFeatureEnabled and IncrementalManager#isV2()

     * @hide

     */

    @SystemApi

    @SdkConstant(SdkConstantType.FEATURE)

    public static final String FEATURE_INCREMENTAL_DELIVERY_VERSION =

            "android.software.incremental_delivery_version";



    /**

     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:

     * The device has tuner hardware to support tuner operations.

core/java/android/os/incremental/IncrementalManager.java

+8 −0
Original line number Diff line number Diff line
@@ -240,6 +240,13 @@ public final class IncrementalManager { 
        return nativeIsEnabled();

    }



    /**

     * Checks if device supports V2 calls (e.g. PerUid).

     */

    public static boolean isV2Available() {

        return nativeIsV2Available();

    }



    /**

     * Checks if Incremental installations are allowed.

     * A developer can disable Incremental installations by setting the property.
@@ -439,6 +446,7 @@ public final class IncrementalManager { 


    /* Native methods */

    private static native boolean nativeIsEnabled();

    private static native boolean nativeIsV2Available();

    private static native boolean nativeIsIncrementalPath(@NonNull String path);

    private static native byte[] nativeUnsafeGetFileSignature(@NonNull String path);

}

core/java/com/android/server/SystemConfig.java

+2 −0
Original line number Diff line number Diff line
@@ -1236,6 +1236,8 @@ public class SystemConfig { 


        if (IncrementalManager.isFeatureEnabled()) {

            addFeature(PackageManager.FEATURE_INCREMENTAL_DELIVERY, 0);

            addFeature(PackageManager.FEATURE_INCREMENTAL_DELIVERY_VERSION,

                    IncrementalManager.isV2Available() ? 2 : 1);

        }



        if (PackageManager.APP_ENUMERATION_ENABLED_BY_DEFAULT) {

core/jni/android_os_incremental_IncrementalManager.cpp

+10 −6
Original line number Diff line number Diff line
@@ -30,6 +30,10 @@ static jboolean nativeIsEnabled(JNIEnv* env, jobject clazz) { 
    return IncFs_IsEnabled();

}



static jboolean nativeIsV2Available(JNIEnv* env, jobject clazz) {

    return !!(IncFs_Features() & INCFS_FEATURE_V2);

}



static jboolean nativeIsIncrementalPath(JNIEnv* env,

                                    jobject clazz,

                                    jstring javaPath) {
@@ -53,11 +57,11 @@ static jbyteArray nativeUnsafeGetFileSignature(JNIEnv* env, jobject clazz, jstri 
    return result;

}



static const JNINativeMethod method_table[] = {{"nativeIsEnabled", "()Z", (void*)nativeIsEnabled},

                                               {"nativeIsIncrementalPath", "(Ljava/lang/String;)Z",

                                                (void*)nativeIsIncrementalPath},

                                               {"nativeUnsafeGetFileSignature",

                                                "(Ljava/lang/String;)[B",

static const JNINativeMethod method_table[] =

        {{"nativeIsEnabled", "()Z", (void*)nativeIsEnabled},

         {"nativeIsV2Available", "()Z", (void*)nativeIsV2Available},

         {"nativeIsIncrementalPath", "(Ljava/lang/String;)Z", (void*)nativeIsIncrementalPath},

         {"nativeUnsafeGetFileSignature", "(Ljava/lang/String;)[B",

          (void*)nativeUnsafeGetFileSignature}};



int register_android_os_incremental_IncrementalManager(JNIEnv* env) {