| // Copyright 2016 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package org.chromium.base.metrics; |
| |
| import org.jni_zero.JNINamespace; |
| import org.jni_zero.NativeMethods; |
| |
| /** |
| * Java API which exposes the registered histograms on the native side as |
| * JSON test. |
| */ |
| @JNINamespace("base::android") |
| public final class StatisticsRecorderAndroid { |
| private StatisticsRecorderAndroid() {} |
| |
| /** |
| * @param verbosityLevel controls the information that should be included when dumping each of |
| * the histogram. |
| * @return All the registered histograms as JSON text. |
| */ |
| public static String toJson(@JSONVerbosityLevel int verbosityLevel) { |
| return StatisticsRecorderAndroidJni.get().toJson(verbosityLevel); |
| } |
| |
| @NativeMethods |
| interface Natives { |
| String toJson(@JSONVerbosityLevel int verbosityLevel); |
| } |
| } |