Incremental installations in adb, DataLoader/device side.
Test: atest PackageManagerShellCommandTest PackageManagerShellCommandIncrementalTest
Test: adb install --wait --incremental ~/v4/v4-only-original.apk
Bug: b/136132412 b/133435829
Change-Id: I41b72021e3c7703b57b3e14f58d5aab6c1271f04
diff --git a/core/java/android/os/incremental/V4Signature.java b/core/java/android/os/incremental/V4Signature.java
index 6450a67..6516917 100644
--- a/core/java/android/os/incremental/V4Signature.java
+++ b/core/java/android/os/incremental/V4Signature.java
@@ -16,6 +16,7 @@
package android.os.incremental;
+import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
@@ -47,6 +48,15 @@
}
/**
+ * Construct a V4Signature from .idsig file.
+ */
+ public static V4Signature readFrom(byte[] bytes) throws IOException {
+ try (DataInputStream stream = new DataInputStream(new ByteArrayInputStream(bytes))) {
+ return readFrom(stream);
+ }
+ }
+
+ /**
* Store the V4Signature to a byte-array.
*/
public byte[] toByteArray() {