Expose SdkExtension in the system SDK
Also tweak the javadoc a little bit.
Bug: 137191822
Bug: 143937447
Test: treehugger
Change-Id: Iae1b025685344c2ffe4ed1089850b447c82a6b83
diff --git a/Android.bp b/Android.bp
index 3dd8a0a..c7b7c4a 100644
--- a/Android.bp
+++ b/Android.bp
@@ -571,6 +571,7 @@
"core/java/android/annotation/Nullable.java",
"core/java/android/annotation/IntDef.java",
"core/java/android/annotation/IntRange.java",
+ "core/java/android/annotation/SystemApi.java",
"core/java/android/annotation/UnsupportedAppUsage.java",
"core/java/com/android/internal/annotations/GuardedBy.java",
"core/java/com/android/internal/annotations/VisibleForTesting.java",
diff --git a/apex/sdkext/framework/java/android/os/ext/SdkExtensions.java b/apex/sdkext/framework/java/android/os/ext/SdkExtensions.java
index c039a82..331ef21 100644
--- a/apex/sdkext/framework/java/android/os/ext/SdkExtensions.java
+++ b/apex/sdkext/framework/java/android/os/ext/SdkExtensions.java
@@ -17,13 +17,23 @@
package android.os.ext;
import android.annotation.IntDef;
+import android.annotation.SystemApi;
import android.os.Build.VERSION_CODES;
import android.os.SystemProperties;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
-/** @hide */
+/**
+ * Methods for interacting with the extension SDK.
+ *
+ * This class provides information about the extension SDK version present
+ * on this device. Use the {@link #getExtensionVersion(int) getExtension} to
+ * query for the extension version for the given SDK version.
+
+ * @hide
+ */
+@SystemApi
public class SdkExtensions {
private static final int R_EXTENSION_INT;
@@ -31,11 +41,16 @@
R_EXTENSION_INT = SystemProperties.getInt("persist.com.android.sdkext.sdk_info", 0);
}
- /** Values suitable as parameters for {@link #getExtensionVersion(int)}. */
+ /**
+ * Values suitable as parameters for {@link #getExtensionVersion(int)}.
+ * @hide
+ */
@IntDef(value = { VERSION_CODES.R })
@Retention(RetentionPolicy.SOURCE)
public @interface SdkVersion {}
+ private SdkExtensions() { }
+
/**
* Return the version of the extension to the given SDK.
*
diff --git a/api/system-current.txt b/api/system-current.txt
index 3c0923c..3a7609b 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -6671,6 +6671,14 @@
}
+package android.os.ext {
+
+ public class SdkExtensions {
+ method public static int getExtensionVersion(int);
+ }
+
+}
+
package android.os.image {
public class DynamicSystemClient {