README.chromium
1Name: AndroidHiddenApiBypass
2URL: https://github.com/LSPosed/AndroidHiddenApiBypass
3Version: 71aaad4ce558530b4788da67d0e3d9bb3596e9d3
4Revision: 71aaad4ce558530b4788da67d0e3d9bb3596e9d3
5License: Apache-2.0
6License File: LICENSE
7Security Critical: no
8Shipped: no
9
10Description:
11AndroidHiddenApiBypass enables reflection on APIs that are meant to be guarded
12by Android's API Blocklist.
13
14Local Modifications:
15* Removed files related to Gradle.
16* Added local_modifications/.../BuildConfig.java to replace what Gradle would
17 have generated.
18* Added BUILD.gn
19
README.md
1# Android Hidden Api Bypass
2
3[](https://github.com/LSPosed/AndroidHiddenApiBypass/actions/workflows/android.yml)
4
5
6
7Bypass restrictions on non-SDK interfaces.
8
9## Why HiddenApiBypass?
10
11- Pure Java: no native code used.
12- Reliable: does not rely on specific behaviors, so it will not be blocked like meta-reflection or `dexfile`.
13- Stable: does not rely on internal ART structures on Android 10+. `Unsafe` and `setHiddenApiExemptions` are stable APIs.
14
15## And LSPass?
16
17- Fast: no I/O, initializing faster than HiddenApiBypass.
18- Safe: no `Unsafe`.
19- Unreliable: can be blocked as easily as meta-reflection.
20
21## How it works
22
23HiddenApiBypass: [Unsafe](https://lovesykun.cn/archives/android-hidden-api-bypass.html)
24
25LSPass: [Property.of()](https://github.com/michalbednarski/LeakValue?tab=readme-ov-file#putting-it-all-together)
26
27## Integration
28
29Gradle:
30
31```gradle
32repositories {
33 mavenCentral()
34}
35dependencies {
36 implementation 'org.lsposed.hiddenapibypass:hiddenapibypass:+'
37}
38```
39
40## Usage
41
42This library has two variants of bypassing, they have the same API.
43When initializing, LSPass is faster than HiddenApiBypass, but LSPass maybe blocked in future Android releases.
44Replace `HiddenApiBypass` with `LSPass` if you do not want to use `Unsafe`.
45
461. Invoke a restricted method:
47 ```java
48 HiddenApiBypass.invoke(ApplicationInfo.class, new ApplicationInfo(), "usesNonSdkApi"/*, args*/)
49 ```
501. Invoke restricted constructor:
51 ```java
52 Object instance = HiddenApiBypass.newInstance(Class.forName("android.app.IActivityManager$Default")/*, args*/);
53 ```
541. Get all methods including restricted ones from a class:
55 ```java
56 var allMethods = HiddenApiBypass.getDeclaredMethods(ApplicationInfo.class);
57 ((Method).stream(allMethods).filter(e -> e.getName().equals("usesNonSdkApi")).findFirst().get()).invoke(new ApplicationInfo());
58 ```
591. Get all non-static fields including restricted ones from a class:
60 ```java
61 var allInstanceFields = HiddenApiBypass.getInstanceFields(ApplicationInfo.class);
62 ((Method).stream(allInstanceFields).filter(e -> e.getName().equals("longVersionCode")).findFirst().get()).get(new ApplicationInfo());
63 ```
641. Get all static fields including restricted ones from a class:
65 ```java
66 var allStaticFields = HiddenApiBypass.getStaticFields(ApplicationInfo.class);
67 ((Method).stream(allStaticFields).filter(e -> e.getName().equals("HIDDEN_API_ENFORCEMENT_DEFAULT")).findFirst().get()).get(null);
68 ```
691. Get specific class method or class constructor
70 ```java
71 var ctor = HiddenApiBypass.getDeclaredConstructor(ClipDrawable.class /*, args */);
72 var method = HiddenApiBypass.getDeclaredMethod(ApplicationInfo.class, "getHiddenApiEnforcementPolicy" /*, args */);
73 ```
741. Add a class to exemption list:
75 ```java
76 HiddenApiBypass.addHiddenApiExemptions(
77 "Landroid/content/pm/ApplicationInfo;", // one specific class
78 "Ldalvik/system" // all classes in packages dalvik.system
79 "Lx" // all classes whose full name is started with x
80 );
81 ```
82 if you are going to add all classes to exemption list, just leave an empty prefix:
83 ```java
84 HiddenApiBypass.addHiddenApiExemptions("");
85 ```
86## License
87
88 Copyright 2021-2025 LSPosed
89
90 Licensed under the Apache License, Version 2.0 (the "License");
91 you may not use this file except in compliance with the License.
92 You may obtain a copy of the License at
93
94 https://www.apache.org/licenses/LICENSE-2.0
95
96 Unless required by applicable law or agreed to in writing, software
97 distributed under the License is distributed on an "AS IS" BASIS,
98 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
99 See the License for the specific language governing permissions and
100 limitations under the License.
101
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