| /* |
| * 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; |
| } |
| |
| public static String getString(String key, String def) throws IllegalArgumentException { |
| try { |
| Class SystemPropertiesClass = Class.forName("android.os.SystemProperties"); |
| Method getIntMethod = |
| SystemPropertiesClass.getDeclaredMethod("get", String.class, String.class); |
| getIntMethod.setAccessible(true); |
| return (String) getIntMethod.invoke(SystemPropertiesClass, key, def); |
| } catch (InvocationTargetException |
| | IllegalAccessException |
| | NoSuchMethodException |
| | ClassNotFoundException e) { |
| Log.e(TAG, "Failed to invoke SystemProperties.get()", e); |
| } |
| return def; |
| } |
| } |