diff options
Diffstat (limited to 'src/com/android/tv/tuner/util/SystemPropertiesProxy.java')
-rw-r--r-- | src/com/android/tv/tuner/util/SystemPropertiesProxy.java | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/com/android/tv/tuner/util/SystemPropertiesProxy.java b/src/com/android/tv/tuner/util/SystemPropertiesProxy.java new file mode 100644 index 00000000..62a64361 --- /dev/null +++ b/src/com/android/tv/tuner/util/SystemPropertiesProxy.java @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2015 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 com.android.tv.tuner.util; + +import android.util.Log; + +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; + +/** + * Proxy class that gives an access to a hidden API {@link android.os.SystemProperties#getBoolean}. + */ +public class SystemPropertiesProxy { + private static final String TAG = "SystemPropertiesProxy"; + + private SystemPropertiesProxy() { } + + public static boolean getBoolean(String key, boolean def) + throws IllegalArgumentException { + try { + Class SystemPropertiesClass = Class.forName("android.os.SystemProperties"); + Method getBooleanMethod = SystemPropertiesClass.getDeclaredMethod("getBoolean", + String.class, boolean.class); + getBooleanMethod.setAccessible(true); + return (boolean) getBooleanMethod.invoke(SystemPropertiesClass, key, def); + } catch (InvocationTargetException | IllegalAccessException | NoSuchMethodException + | ClassNotFoundException e) { + Log.e(TAG, "Failed to invoke SystemProperties.getBoolean()", e); + } + return def; + } + + public static int getInt(String key, int def) + throws IllegalArgumentException { + try { + Class SystemPropertiesClass = Class.forName("android.os.SystemProperties"); + Method getIntMethod = SystemPropertiesClass.getDeclaredMethod("getInt", + String.class, int.class); + getIntMethod.setAccessible(true); + return (int) getIntMethod.invoke(SystemPropertiesClass, key, def); + } catch (InvocationTargetException | IllegalAccessException | NoSuchMethodException + | ClassNotFoundException e) { + Log.e(TAG, "Failed to invoke SystemProperties.getInt()", e); + } + return def; + } +} |