Implement native println_native in android.util.Log for LayoutLib

Change-Id: I2ab83a131468490cf789bf17f9c12b6360e953a4

2 files changed, 52 insertions, 0 deletions

diff --git a/tools/layoutlib/bridge/src/android/util/Log_Delegate.java b/tools/layoutlib/bridge/src/android/util/Log_Delegate.java
new file mode 100755
index 0000000..7f432ab
--- /dev/null
+++ b/tools/layoutlib/bridge/src/android/util/Log_Delegate.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2011 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.util;
+
+import com.android.tools.layoutlib.annotations.LayoutlibDelegate;
+
+class Log_Delegate {
+    // to replicate prefix visible when using 'adb logcat'
+    private static char priorityChar(int priority) {
+        switch (priority) {
+            case Log.VERBOSE:
+                return 'V';
+            case Log.DEBUG:
+                return 'D';
+            case Log.INFO:
+                return 'I';
+            case Log.WARN:
+                return 'W';
+            case Log.ERROR:
+                return 'E';
+            case Log.ASSERT:
+                return 'A';
+            default:
+                return '?';
+        }
+    }
+
+    @LayoutlibDelegate
+    static int println_native(int bufID, int priority, String tag, String msgs) {
+        String prefix = priorityChar(priority) + "/" + tag + ": ";
+        for (String msg: msgs.split("\n")) {
+            System.out.println(prefix + msg);
+        }
+        return 0;
+    }
+
+}
diff --git a/tools/layoutlib/create/src/com/android/tools/layoutlib/create/CreateInfo.java b/tools/layoutlib/create/src/com/android/tools/layoutlib/create/CreateInfo.java
index 93a35cc..7c02f7e 100644
--- a/tools/layoutlib/create/src/com/android/tools/layoutlib/create/CreateInfo.java
+++ b/tools/layoutlib/create/src/com/android/tools/layoutlib/create/CreateInfo.java
@@ -108,6 +108,7 @@ public final class CreateInfo implements ICreateInfo {
         "android.view.LayoutInflater#parseInclude",
         "android.view.View#isInEditMode",
         "android.view.inputmethod.InputMethodManager#getInstance",
+        "android.util.Log#println_native",
         "com.android.internal.util.XmlUtils#convertValueToInt",
         // TODO: comment out once DelegateClass is working
     };