1 files changed, 51 insertions, 0 deletions
diff --git a/graphics/java/android/graphics/Compatibility.java b/graphics/java/android/graphics/Compatibility.java
new file mode 100644
index 000000000000..ed849127aedc
--- /dev/null
+++ b/graphics/java/android/graphics/Compatibility.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.graphics;
+
+import android.annotation.SystemApi;
+
+/**
+ * Helper class for graphics classes to retrieve the targetSdkVersion, as
+ * specified by the app.
+ * @hide
+ */
+@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+public final class Compatibility {
+    private Compatibility() {}
+
+    private static int sTargetSdkVersion = 0;
+
+    /**
+     * Exposed so that ActivityThread can set it correctly once when binding the
+     * application. No other code should call this.
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static void setTargetSdkVersion(int targetSdkVersion) {
+        sTargetSdkVersion = targetSdkVersion;
+        Canvas.setCompatibilityVersion(targetSdkVersion);
+    }
+
+    /**
+     * Public for access by other packages in the module (like android.graphics.drawable),
+     * but should not be accessed outside the module.
+     * @hide
+     */
+    public static int getTargetSdkVersion() {
+        return sTargetSdkVersion;
+    }
+}