Add VMRuntime.getTargetSdkVersion.

The goal is to enable libcore to adjust its behavior based on the
target SDK version / API Level of the app.

Change-Id: I63fa337a8e4175b64485cec432dd493111db8d4a

1 files changed, 18 insertions, 2 deletions

diff --git a/libdvm/src/main/java/dalvik/system/VMRuntime.java b/libdvm/src/main/java/dalvik/system/VMRuntime.java
index 71098be..48685f6 100644
--- a/libdvm/src/main/java/dalvik/system/VMRuntime.java
+++ b/libdvm/src/main/java/dalvik/system/VMRuntime.java
@@ -30,6 +30,8 @@ public final class VMRuntime {
      */
     private static final VMRuntime THE_ONE = new VMRuntime();
 
+    private int targetSdkVersion;
+
     /**
      * Prevents this class from being instantiated.
      */
@@ -111,9 +113,23 @@ public final class VMRuntime {
      * app starts to run, because it may change the VM's behavior in
      * dangerous ways. Use 0 to mean "current" (since callers won't
      * necessarily know the actual current SDK version, and the
-     * allocated version numbers start at 1).
+     * allocated version numbers start at 1), and 10000 to mean
+     * CUR_DEVELOPMENT.
      */
-    public native void setTargetSdkVersion(int targetSdkVersion);
+    public synchronized void setTargetSdkVersion(int targetSdkVersion) {
+        this.targetSdkVersion = targetSdkVersion;
+        setTargetSdkVersionNative(this.targetSdkVersion);
+    }
+
+    /**
+     * Gets the target SDK version. See {@link #setTargetSdkVersion} for
+     * special values.
+     */
+    public synchronized int getTargetSdkVersion() {
+        return targetSdkVersion;
+    }
+
+    private native void setTargetSdkVersionNative(int targetSdkVersion);
 
     /**
      * This method exists for binary compatibility.  It was part of a