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Commit b081e079 authored by Narayan Kamath's avatar Narayan Kamath
Browse files

Build: Add PREVIEW_SDK_FINGERPRINT. 

Based on ro.build.version.preview_sdk_fingerprint, which is
generated by the build system based on the contents of the
public / system API fingerprint. This value helps implement
finer grained targeting of packages to preview releases.

Test: atest BuildTest; manual
Bug: 120439642

Change-Id: Ib2c28d96ea0fa2ed9a6be4c05580c164e39cdd9f
parent b5f01f16

api/system-current.txt

+4 −0
Original line number Diff line number Diff line
@@ -4445,6 +4445,10 @@ package android.os { 
    method public abstract java.lang.Object onTransactStarted(android.os.IBinder, int);

  }













  public static class Build.VERSION {













    field public static final java.lang.String PREVIEW_SDK_FINGERPRINT;













  }



























  public final class ConfigUpdate {















    field public static final java.lang.String ACTION_UPDATE_CARRIER_ID_DB = "android.os.action.UPDATE_CARRIER_ID_DB";















    field public static final java.lang.String ACTION_UPDATE_CARRIER_PROVISIONING_URLS = "android.intent.action.UPDATE_CARRIER_PROVISIONING_URLS";

































core/java/android/os/Build.java



+20
−0




























Original line number
Diff line number
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@@ -288,6 +288,26 @@ public class Build {













        public static final int PREVIEW_SDK_INT = SystemProperties.getInt(















                "ro.build.version.preview_sdk", 0);





























        /**













         * The SDK fingerprint for a given prerelease SDK. This value will always be













         * {@code REL} on production platform builds/devices.













         *













         * <p>When this value is not {@code REL}, it contains a string fingerprint of the API













         * surface exposed by the preview SDK. Preview platforms with different API surfaces













         * will have different {@code PREVIEW_SDK_FINGERPRINT}.













         *













         * <p>This attribute is intended for use by installers for finer grained targeting of













         * packages. Applications targeting preview APIs should not use this field and should













         * instead use {@code PREVIEW_SDK_INT} or use reflection or other runtime checks to













         * detect the presence of an API or guard themselves against unexpected runtime













         * behavior.













         *













         * @hide













         */













        @SystemApi













        public static final String PREVIEW_SDK_FINGERPRINT = SystemProperties.get(













                "ro.build.version.preview_sdk_fingerprint", "REL");





























        /**















         * The current development codename, or the string "REL" if this is















         * a release build.