1 files changed, 36 insertions, 0 deletions
diff --git a/java/src/org/kelar/inputmethod/compat/ConnectivityManagerCompatUtils.java b/java/src/org/kelar/inputmethod/compat/ConnectivityManagerCompatUtils.java
new file mode 100644
index 000000000..469c8d590
--- /dev/null
+++ b/java/src/org/kelar/inputmethod/compat/ConnectivityManagerCompatUtils.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2013 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 org.kelar.inputmethod.compat;
+
+import android.net.ConnectivityManager;
+
+import java.lang.reflect.Method;
+
+public final class ConnectivityManagerCompatUtils {
+    // ConnectivityManager#isActiveNetworkMetered() has been introduced
+    // in API level 16 (Build.VERSION_CODES.JELLY_BEAN).
+    private static final Method METHOD_isActiveNetworkMetered = CompatUtils.getMethod(
+            ConnectivityManager.class, "isActiveNetworkMetered");
+
+    public static boolean isActiveNetworkMetered(final ConnectivityManager manager) {
+        return (Boolean)CompatUtils.invoke(manager,
+                // If the API telling whether the network is metered or not is not available,
+                // then the closest thing is "if it's a mobile connection".
+                manager.getActiveNetworkInfo().getType() == ConnectivityManager.TYPE_MOBILE,
+                METHOD_isActiveNetworkMetered);
+    }
+}