base/android/java_runtime.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef BASE_ANDROID_JAVA_RUNTIME_H_
   6 #define BASE_ANDROID_JAVA_RUNTIME_H_
   7
   8 #include "base/android/scoped_java_ref.h"
   9 #include "base/base_export.h"
  10
  11 namespace base {
  12 namespace android {
  13
  14 // Wrapper class for using the java.lang.Runtime object from jni.
  15 class BASE_EXPORT JavaRuntime {
  16  public:
  17   // Registers the jni class (once per process).
  18   static bool Register(JNIEnv* env);
  19
  20   // Fills the total memory used and memory allocated for objects by the java
  21   // heap in the current process. Returns true on success.
  22   static void GetMemoryUsage(long* total_memory, long* free_memory);
  23 };
  24
  25 }  // namespace android
  26 }  // namespace base
  27
  28 #endif  // BASE_ANDROID_JAVA_RUNTIME_H_