{"id":30976,"date":"2022-11-21T21:33:57","date_gmt":"2022-12-27T13:44:10","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/android-%e5%9c%a8%e4%b8%8d%e9%9c%80%e8%a6%81root%e6%9d%83%e9%99%90%e4%b8%94%e5%8f%aa%e4%bd%bf%e7%94%a8java%e7%9a%84%e6%83%85%e5%86%b5%e4%b8%8b%ef%bc%8c%e9%92%a9%e5%8f%96java%e5%87%bd%e6%95%b0\/"},"modified":"2025-08-12T21:40:42","modified_gmt":"2025-08-12T13:40:42","slug":"android-%e5%9c%a8%e4%b8%8d%e9%9c%80%e8%a6%81root%e6%9d%83%e9%99%90%e4%b8%94%e5%8f%aa%e4%bd%bf%e7%94%a8java%e7%9a%84%e6%83%85%e5%86%b5%e4%b8%8b%ef%bc%8c%e9%92%a9%e5%8f%96java%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/android-%e5%9c%a8%e4%b8%8d%e9%9c%80%e8%a6%81root%e6%9d%83%e9%99%90%e4%b8%94%e5%8f%aa%e4%bd%bf%e7%94%a8java%e7%9a%84%e6%83%85%e5%86%b5%e4%b8%8b%ef%bc%8c%e9%92%a9%e5%8f%96java%e5%87%bd%e6%95%b0\/","title":{"rendered":"[Android] \u5728\u4e0d\u9700\u8981Root\u6743\u9650\u4e14\u53ea\u4f7f\u7528Java\u7684\u60c5\u51b5\u4e0b\uff0c\u94a9\u53d6Java\u51fd\u6570"},"content":{"rendered":"

\u9996\u5148\u6211\u8ba4\u4e3a\u5982\u679c\u5728Java\u4e2d\u4e5f\u80fd\u591f\u5b9e\u73b0\u51fd\u6570\u94a9\u5b50\uff0c\u90a3\u5c06\u4f1a\u975e\u5e38\u6709\u8da3\uff0c\u6240\u4ee5\u6211\u8bd5\u7740\u505a\u4e86\u4e00\u4e0b\u3002<\/p>\n

\u73af\u5883\u30fbAndroid 11\uff08\u771f\u673a\uff09
\n\u30fb\u975eRoot<\/p>\n

\u6302\u94a9\u524d\u7684\u51c6\u5907\u5de5\u4f5c\u3002\u9996\u5148\uff0c\u6211\u4eec\u8981\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u5e93\u3002
\n\u6587\u4ef6\/\u6587\u4ef6\u5939\u7684\u7ed3\u6784\u662f\u8fd9\u6837\u7684\u3002<\/p>\n
...<\/span>\r\njinterceptor<\/span>\r\n  \u2517<\/span> EvacuatedMethodStorage<\/span>.<\/span>java<\/span>\r\n  \u2517<\/span> Interceptor<\/span>.<\/span>java<\/span>\r\n  \u2517<\/span> Memory<\/span>.<\/span>java<\/span>\r\n  \u2517<\/span> ArtMethod<\/span>.<\/span>java<\/span>\r\n  \u2517<\/span> Reflection<\/span>.<\/span>java<\/span>\r\n  \u2517<\/span> Unsafe<\/span>.<\/span>java<\/span>\r\n...<\/span>\r\nMainActivity<\/span>.<\/span>java<\/span>\r\n...<\/span>\r\n<\/code><\/pre>\n
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\u4ee5\u4e0b\u7684\u8bf4\u660e\u548c\u6765\u6e90<\/p>\n
public<\/span> class<\/span> EvacuatedMethodStorage<\/span> {<\/span>\r\n\r\n    private<\/span> static<\/span> int<\/span> mReferencedCount<\/span> =<\/span> 0<\/span>;<\/span>\r\n\r\n    public<\/span> static<\/span> int<\/span> referencedCount<\/span>(){<\/span>\r\n        return<\/span> mReferencedCount<\/span>++;<\/span>\r\n    }<\/span>\r\n    public<\/span> static<\/span> Object<\/span> method0<\/span>(<\/span>Object<\/span> receiver<\/span>,<\/span> Object<\/span>...<\/span>params<\/span>){<\/span>\r\n        return<\/span> null<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n    public<\/span> static<\/span> Object<\/span> method1<\/span>(<\/span>Object<\/span> receiver<\/span>,<\/span> Object<\/span>...<\/span>params<\/span>){<\/span>\r\n        return<\/span> null<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n    public<\/span> static<\/span> Object<\/span> method2<\/span>(<\/span>Object<\/span> receiver<\/span>,<\/span> Object<\/span>...<\/span>params<\/span>){<\/span>\r\n        return<\/span> null<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n    public<\/span> static<\/span> Object<\/span> method3<\/span>(<\/span>Object<\/span> receiver<\/span>,<\/span> Object<\/span>...<\/span>params<\/span>){<\/span>\r\n        return<\/span> null<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n    public<\/span> static<\/span> Object<\/span> method4<\/span>(<\/span>Object<\/span> receiver<\/span>,<\/span> Object<\/span>...<\/span>params<\/span>){<\/span>\r\n        return<\/span> null<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n    ...<\/span>\r\n\r\n    public<\/span> static<\/span> Object<\/span> method255<\/span>(<\/span>Object<\/span> receiver<\/span>,<\/span> Object<\/span>...<\/span>params<\/span>){<\/span>\r\n        return<\/span> null<\/span>;<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u8fd9\u4e2a\u8bfe\u7a0b\u4e2d\u5b9e\u73b0\u4e86\u4e00\u7ec4\u7528\u4e8e\u4fdd\u5b58\u94a9\u5b50\u51fd\u6570\u7684\u539f\u59cb\u51fd\u6570\u7684\u65b9\u6cd5\u3002<\/p>\n
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public<\/span> class<\/span> Interceptor<\/span> {<\/span>\r\n\r\n    private<\/span> static<\/span> final<\/span> Class<\/span><?><\/span> class_EvacuatedMethodStorage<\/span> =<\/span> EvacuatedMethodStorage<\/span>.<\/span>class<\/span>;<\/span>\r\n\r\n    private<\/span> static<\/span> Map<\/span><<\/span>Pair<\/span><<\/span>String<\/span>,<\/span> String<\/span>>,<\/span> Integer<\/span>><\/span> mBackupMap<\/span> =<\/span> new<\/span> ConcurrentHashMap<\/span><>();<\/span>\r\n\r\n    public<\/span> static<\/span> void<\/span> override<\/span>(<\/span>Method<\/span> original<\/span>,<\/span> Method<\/span> replace<\/span>)<\/span> throws<\/span> NoSuchMethodException<\/span> {<\/span>\r\n        long<\/span> originalAddress<\/span> =<\/span> Unsafe<\/span>.<\/span>getMethodAddress<\/span>(<\/span>original<\/span>),<\/span> replaceAddress<\/span> =<\/span> Unsafe<\/span>.<\/span>getMethodAddress<\/span>(<\/span>replace<\/span>);<\/span>\r\n        int<\/span> c<\/span> =<\/span> backupMethod<\/span>(<\/span>originalAddress<\/span>);<\/span> \/\/c\u306f\u4fdd\u5b58\u5148\u306e\u95a2\u6570\u306e\u756a\u53f7<\/span>\r\n        Memory<\/span>.<\/span>copy<\/span>(<\/span>originalAddress<\/span>,<\/span> replaceAddress<\/span>,<\/span> ArtMethod<\/span>.<\/span>getSize<\/span>());<\/span>\r\n        mBackupMap<\/span>.<\/span>put<\/span>(<\/span>new<\/span> Pair<\/span><>(<\/span>replace<\/span>.<\/span>getDeclaringClass<\/span>().<\/span>getName<\/span>(),<\/span> replace<\/span>.<\/span>getName<\/span>()),<\/span> c<\/span>);<\/span>\r\n        \/\/...<>(original.getDeclaringClass().getName(), original.getName())... \u3067\u306f\u306a\u3044\u306e\u306f\u3001\u5143\u306e\u95a2\u6570\u304c\u4e0a\u66f8\u304d\u3055\u308c\u308b\u305f\u3081<\/span>\r\n    }<\/span>\r\n\r\n    public<\/span> static<\/span> Object<\/span> callOriginal<\/span>(<\/span>Object<\/span> receiver<\/span>,<\/span> Object<\/span>...<\/span>params<\/span>){<\/span>\r\n        StackTraceElement<\/span> current<\/span> =<\/span> Thread<\/span>.<\/span>currentThread<\/span>().<\/span>getStackTrace<\/span>()[<\/span>3<\/span>];<\/span> \/\/\u3069\u306e\u30d5\u30c3\u30af\u3055\u308c\u305f\u95a2\u6570\u3092\u901a\u904e\u3057\u305f\u306e\u304b\u306e\u30c8\u30ec\u30fc\u30b9\u3092\u53d6\u5f97<\/span>\r\n        int<\/span> originalNum<\/span> =<\/span> mBackupMap<\/span>.<\/span>get<\/span>(<\/span>Pair<\/span>.<\/span>create<\/span>(<\/span>current<\/span>.<\/span>getClassName<\/span>(),<\/span> current<\/span>.<\/span>getMethodName<\/span>()));<\/span> \/\/\u4fdd\u5b58\u5148\u306e\u95a2\u6570\u306e\u756a\u53f7\u3092\u53d6\u5f97<\/span>\r\n        switch<\/span> (<\/span>originalNum<\/span>){<\/span>\r\n            case<\/span> 0<\/span>:<\/span>\r\n                return<\/span> EvacuatedMethodStorage<\/span>.<\/span>method0<\/span>(<\/span>receiver<\/span>,<\/span> params<\/span>);<\/span>\r\n            case<\/span> 1<\/span>:<\/span>\r\n                return<\/span> EvacuatedMethodStorage<\/span>.<\/span>method1<\/span>(<\/span>receiver<\/span>,<\/span> params<\/span>);<\/span>\r\n            case<\/span> 2<\/span>:<\/span>\r\n                return<\/span> EvacuatedMethodStorage<\/span>.<\/span>method2<\/span>(<\/span>receiver<\/span>,<\/span> params<\/span>);<\/span>\r\n\r\n            ...<\/span>\r\n\r\n            case<\/span> 255<\/span>:<\/span>\r\n                return<\/span> EvacuatedMethodStorage<\/span>.<\/span>method255<\/span>(<\/span>receiver<\/span>,<\/span> params<\/span>);<\/span> \r\n        }<\/span>\r\n        return<\/span> null<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n    private<\/span> static<\/span> int<\/span> backupMethod<\/span>(<\/span>long<\/span> original<\/span>)<\/span> throws<\/span> NoSuchMethodException<\/span> {<\/span>\r\n        int<\/span> count<\/span> =<\/span> EvacuatedMethodStorage<\/span>.<\/span>referencedCount<\/span>();<\/span>\r\n        Method<\/span> evacuationDst<\/span> =<\/span> class_EvacuatedMethodStorage<\/span>.<\/span>getDeclaredMethod<\/span>(<\/span>\"method\"<\/span> +<\/span> count<\/span>,<\/span> Object<\/span>.<\/span>class<\/span>,<\/span> Object<\/span>[].<\/span>class<\/span>);<\/span>\r\n        Memory<\/span>.<\/span>copy<\/span>(<\/span>Unsafe<\/span>.<\/span>getMethodAddress<\/span>(<\/span>evacuationDst<\/span>),<\/span> original<\/span>,<\/span> ArtMethod<\/span>.<\/span>getSize<\/span>());<\/span> \/\/\u9000\u907f\u5148\u306e\u95a2\u6570\u3092origina\u306b\u4e0a\u66f8\u304d<\/span>\r\n        return<\/span> count<\/span>;<\/span> \/\/\u4fdd\u5b58\u5148\u306e\u756a\u53f7<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u8fd9\u4e2a\u7c7b\u5b9e\u73b0\u4e86\u94a9\u5b50\u51fd\u6570\u3002
\n\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u5728callOriginal\u51fd\u6570\u4e2d\uff0c\u4e0d\u4f7f\u7528\u53cd\u5c04\u5e76\u4e14\u4f7f\u7528switch\u8bed\u53e5\u6765\u5224\u65ad\u548c\u8c03\u7528\u5df2\u7ecf\u5b58\u50a8\u7684\u539f\u59cb\u51fd\u6570\uff0c\u662f\u6709\u539f\u56e0\u7684\u3002
\n\u540e\u9762\u4f1a\u8bf4\u660e\u539f\u56e0\u3002<\/p>\n
\n
public<\/span> class<\/span> Memory<\/span> {<\/span>\r\n\r\n    private<\/span> static<\/span> byte<\/span> peekByte<\/span>(<\/span>long<\/span> address<\/span>){<\/span>\r\n        return<\/span> (<\/span>Byte<\/span>)<\/span> Reflection<\/span>.<\/span>call<\/span>(<\/span>null<\/span>,<\/span> \"libcore.io.Memory\"<\/span>,<\/span> \"peekByte\"<\/span>,<\/span> null<\/span>,<\/span> new<\/span> Class<\/span>[]{<\/span>long<\/span>.<\/span>class<\/span>},<\/span> new<\/span> Object<\/span>[]{<\/span>address<\/span>});<\/span>\r\n    }<\/span>\r\n\r\n    private<\/span> static<\/span> void<\/span> pokeByte<\/span>(<\/span>long<\/span> address<\/span>,<\/span> byte<\/span> value<\/span>)<\/span> {<\/span>\r\n        Reflection<\/span>.<\/span>call<\/span>(<\/span>null<\/span>,<\/span> \"libcore.io.Memory\"<\/span>,<\/span> \"pokeByte\"<\/span>,<\/span> null<\/span>,<\/span> new<\/span> Class<\/span>[]{<\/span>long<\/span>.<\/span>class<\/span>,<\/span> byte<\/span>.<\/span>class<\/span>},<\/span> new<\/span> Object<\/span>[]{<\/span>address<\/span>,<\/span> value<\/span>});<\/span>\r\n    }<\/span>\r\n\r\n    public<\/span> static<\/span> void<\/span> copy<\/span>(<\/span>long<\/span> dst<\/span>,<\/span> long<\/span> src<\/span>,<\/span> long<\/span> length<\/span>)<\/span> {<\/span>\r\n        for<\/span> (<\/span>long<\/span> i<\/span> =<\/span> 0<\/span>;<\/span> i<\/span> <<\/span> length<\/span>;<\/span> i<\/span>++)<\/span> {<\/span>\r\n            pokeByte<\/span>(<\/span>dst<\/span>,<\/span> peekByte<\/span>(<\/span>src<\/span>));<\/span>\r\n            dst<\/span>++;<\/span>\r\n            src<\/span>++;<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u8fd9\u662f\u4e00\u4e2a\u7528\u4e8e\u8fdb\u884c\u5185\u5b58\u64cd\u4f5c\u7684\u7c7b\u3002<\/p>\n
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public<\/span> class<\/span> ArtMethod<\/span> {<\/span>\r\n\r\n    private<\/span> static<\/span> long<\/span> mSize<\/span>;<\/span>\r\n\r\n    static<\/span> {<\/span>\r\n        try<\/span> {<\/span>\r\n            Method<\/span> r1<\/span> =<\/span> ArtMethod<\/span>.<\/span>class<\/span>.<\/span>getDeclaredMethod<\/span>(<\/span>\"r1\"<\/span>),<\/span>\r\n                    r2<\/span> =<\/span> ArtMethod<\/span>.<\/span>class<\/span>.<\/span>getDeclaredMethod<\/span>(<\/span>\"r2\"<\/span>);<\/span>\r\n            mSize<\/span> =<\/span> Unsafe<\/span>.<\/span>getMethodAddress<\/span>(<\/span>r2<\/span>)<\/span> -<\/span> Unsafe<\/span>.<\/span>getMethodAddress<\/span>(<\/span>r1<\/span>);<\/span>\r\n        }<\/span> catch<\/span> (<\/span>Throwable<\/span> throwable<\/span>){<\/span>\r\n                throwable<\/span>.<\/span>printStackTrace<\/span>();<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n\r\n    public<\/span> static<\/span> long<\/span> getSize<\/span>(){<\/span>\r\n        return<\/span> mSize<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n    private<\/span> static<\/span> void<\/span> r1<\/span>(){}<\/span>\r\n\r\n    private<\/span> static<\/span> void<\/span> r2<\/span>(){}<\/span>\r\n\r\n}<\/span>\r\n<\/code><\/pre>\n
\u8fd9\u4e2a\u7c7b\u63d0\u4f9b\u4e86ArtMethod\u7684\u5927\u5c0f\u3002<\/p>\n
\u9996\u5148\uff0cArtMethod \u662f\u4ec0\u4e48\u610f\u601d\uff1f<\/p>\n
ArtMethod \u662f Android \u7684\u8fd0\u884c\u65f6\u7cfb\u7edf\uff08ART\uff1aAndroid Runtime\uff09\u5185\u90e8\u7684\u4e00\u4e2a\u7c7b\u7684\u7ec4\u6210\u90e8\u5206\u3002\u8fd9\u4e2a\u7c7b\u7528\u4e8e\u8868\u793a Java \u65b9\u6cd5\uff0c\u5728 Android \u5e94\u7528\u7a0b\u5e8f\u7684\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u5b58\u50a8\u548c\u64cd\u4f5c\u65b9\u6cd5\u7684\u4fe1\u606f\u3002<\/p><\/blockquote>\n
ChatGPT\u544a\u8bc9\u6211\uff0c
\n\u4e5f\u5c31\u662f\u8bf4\uff0c\u5b83\u7c7b\u4f3c\u4e8e\u7528\u4e8e\u5b58\u50a8Java\u65b9\u6cd5\u7684\u5404\u79cd\u4fe1\u606f\u7684\u5305\u88c5\u5668\u3002
\n\u94fe\u63a5\u5230ArtMethod\u7684\u5934\u6587\u4ef6
\n\u94fe\u63a5\u5230ArtMethod\u7684\u6e90\u4ee3\u7801<\/p>\n
\u73b0\u5728\uff0c\u6211\u60f3\u8981\u8c08\u8c08\u83b7\u53d6\u5173\u952e\u5927\u5c0f\u7684\u4ee3\u7801\u3002
\n\u5728\u8fd9\u91cc\u83b7\u53d6\u5927\u5c0f\u7684\u662f\u8fd9\u6bb5\u4ee3\u7801\u3002<\/p>\n
mSize<\/span> =<\/span> Unsafe<\/span>.<\/span>getMethodAddress<\/span>(<\/span>r2<\/span>)<\/span> -<\/span> Unsafe<\/span>.<\/span>getMethodAddress<\/span>(<\/span>r1<\/span>);<\/span>\r\n<\/code><\/pre>\n
Unsafe.getMethodAddress\u7684\u5b9e\u73b0\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
public<\/span> class<\/span> Unsafe<\/span> {<\/span>\r\n\r\n    public<\/span> static<\/span> long<\/span> getMethodAddress<\/span>(<\/span>Method<\/span> method<\/span>){<\/span>\r\n        return<\/span> (<\/span>Long<\/span>)<\/span> Reflection<\/span>.<\/span>get<\/span>(<\/span>method<\/span>.<\/span>getClass<\/span>().<\/span>getSuperclass<\/span>(),<\/span> null<\/span>,<\/span> \"artMethod\"<\/span>,<\/span> method<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n}<\/span>\r\n<\/code><\/pre>\n
\u901a\u8fc7\u53cd\u5c04\uff0c\u6211\u4eec\u53ef\u4ee5\u83b7\u53d6\u5230Method\u7c7b\u7684\u5730\u5740\u3002\u8fd9\u4e2a\u5730\u5740\u5b58\u50a8\u5728Method\u7c7b\u7684\u8d85\u7c7bExecutable\u4e2d\u7684\u540d\u4e3aartMethod\u7684long\u578b\u53d8\u91cf\u4e2d\u3002\u786e\u5207\u6765\u8bf4\uff0c\u53d8\u91cfartMethod\u4e2d\u5b58\u50a8\u7684\u662f\u5c06\u8be5\u65b9\u6cd5\u5c01\u88c5\u7684ArtMethod\u7684\u5730\u5740\u6216\u6307\u9488\u3002<\/p>\n
\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u5982\u679c\u56fe\u8868\u4e5f\u4e0d\u592a\u6e05\u695a\u7684\u8bdd\uff0c\u771f\u7684\u975e\u5e38\u62b1\u6b49\u3002<\/p>\n
\n
public<\/span> class<\/span> Reflection<\/span> {<\/span>\r\n\r\n    public<\/span> static<\/span> Object<\/span> call<\/span>(<\/span>Class<\/span><?><\/span> clazz<\/span>,<\/span> String<\/span> className<\/span>,<\/span> String<\/span> methodName<\/span>,<\/span> Object<\/span> receiver<\/span>,<\/span>\r\n                              Class<\/span>[]<\/span> types<\/span>,<\/span> Object<\/span>[]<\/span> params<\/span>)<\/span> {<\/span>\r\n        try<\/span> {<\/span>\r\n            if<\/span> (<\/span>clazz<\/span> ==<\/span> null<\/span>)<\/span> clazz<\/span> =<\/span> Class<\/span>.<\/span>forName<\/span>(<\/span>className<\/span>);<\/span>\r\n            Method<\/span> method<\/span> =<\/span> clazz<\/span>.<\/span>getDeclaredMethod<\/span>(<\/span>methodName<\/span>,<\/span> types<\/span>);<\/span>\r\n            method<\/span>.<\/span>setAccessible<\/span>(<\/span>true<\/span>);<\/span>\r\n            return<\/span> method<\/span>.<\/span>invoke<\/span>(<\/span>receiver<\/span>,<\/span> params<\/span>);<\/span>\r\n        }<\/span> catch<\/span> (<\/span>Throwable<\/span> throwable<\/span>)<\/span> {<\/span>\r\n            throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>\"reflection error:\"<\/span>,<\/span> throwable<\/span>);<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n\r\n    public<\/span> static<\/span> Object<\/span> get<\/span>(<\/span>Class<\/span><?><\/span> clazz<\/span>,<\/span> String<\/span> className<\/span>,<\/span> String<\/span> fieldName<\/span>,<\/span> Object<\/span> receiver<\/span>)<\/span> {<\/span>\r\n        try<\/span> {<\/span>\r\n            if<\/span> (<\/span>clazz<\/span> ==<\/span> null<\/span>)<\/span> clazz<\/span> =<\/span> Class<\/span>.<\/span>forName<\/span>(<\/span>className<\/span>);<\/span>\r\n            Field<\/span> field<\/span> =<\/span> clazz<\/span>.<\/span>getDeclaredField<\/span>(<\/span>fieldName<\/span>);<\/span>\r\n            field<\/span>.<\/span>setAccessible<\/span>(<\/span>true<\/span>);<\/span>\r\n            return<\/span> field<\/span>.<\/span>get<\/span>(<\/span>receiver<\/span>);<\/span>\r\n        }<\/span> catch<\/span> (<\/span>Throwable<\/span> e<\/span>)<\/span> {<\/span>\r\n            throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>\"reflection error:\"<\/span>,<\/span> e<\/span>);<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u8fd9\u4e2a\u73ed\u7ea7\u662f\u4e3a\u4e86\u65b9\u4fbf\u4f7f\u7528\u53cd\u5c04\u529f\u80fd\u800c\u8bbe\u8ba1\u7684\u3002<\/p>\n
\u786e\u8ba4\u52a8\u4f5c
\n\u4e3b\u6d3b\u52a8\u5199\u6210\u4e86\u8fd9\u6837\u3002<\/p>\n
public<\/span> class<\/span> MainActivity<\/span> extends<\/span> AppCompatActivity<\/span> {<\/span>\r\n\r\n    private<\/span> ActivityMainBinding<\/span> binding<\/span>;<\/span>\r\n\r\n    @Override<\/span>\r\n    protected<\/span> void<\/span> onCreate<\/span>(<\/span>Bundle<\/span> savedInstanceState<\/span>)<\/span> {<\/span>\r\n        super<\/span>.<\/span>onCreate<\/span>(<\/span>savedInstanceState<\/span>);<\/span>\r\n\r\n        binding<\/span> =<\/span> ActivityMainBinding<\/span>.<\/span>inflate<\/span>(<\/span>getLayoutInflater<\/span>());<\/span>\r\n        setContentView<\/span>(<\/span>binding<\/span>.<\/span>getRoot<\/span>());<\/span>\r\n\r\n        try<\/span> {<\/span>\r\n\r\n            \/\/original\u95a2\u6570\u3092replace\u95a2\u6570\u306b\u4e0a\u66f8\u304d<\/span>\r\n            Interceptor<\/span>.<\/span>override<\/span>(<\/span>MainActivity<\/span>.<\/span>class<\/span>.<\/span>getDeclaredMethod<\/span>(<\/span>\"original\"<\/span>),<\/span> MainActivity<\/span>.<\/span>class<\/span>.<\/span>getDeclaredMethod<\/span>(<\/span>\"replace\"<\/span>));<\/span>\r\n\r\n        }<\/span> catch<\/span> (<\/span>Throwable<\/span> e<\/span>)<\/span> {<\/span>\r\n            throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e<\/span>);<\/span>\r\n        }<\/span>\r\n\r\n        original<\/span>();<\/span> \/\/\u547c\u3073\u51fa\u3057<\/span>\r\n\r\n        TextView<\/span> tv<\/span> =<\/span> binding<\/span>.<\/span>sampleText<\/span>;<\/span>\r\n        tv<\/span>.<\/span>setText<\/span>(<\/span>\"\u3042\u3044\u3046\u3048\u304a\"<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n    void<\/span> original<\/span>(){<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"original\"<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n    void<\/span> replace<\/span>()<\/span> {<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"replace\"<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6267\u884c\u7ed3\u679c<\/p>\n
\u66f4\u6362<\/p><\/blockquote>\n
\u539f\u672c\u5e94\u8be5\u8c03\u7528\u7684\u662foriginal\u51fd\u6570\uff0c\u4f46\u662f\u5374\u8c03\u7528\u4e86replace\u51fd\u6570\u3002\u94a9\u5b50\u51fd\u6570\u6267\u884c\u6210\u529f\u3002
\n\u5f53\u7136\uff0c\u4ecd\u7136\u53ef\u4ee5\u8c03\u7528\u539f\u672c\u7684\u51fd\u6570\u3002<\/p>\n
    void<\/span> replace<\/span>()<\/span> {<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"replace\"<\/span>);<\/span>\r\n        Interceptor<\/span>.<\/span>callOriginal<\/span>(<\/span>this<\/span>,<\/span> new<\/span> Object<\/span>[]{});<\/span> \/\/\u5143\u306e\u95a2\u6570\u547c\u3073\u51fa\u3057<\/span>\r\n    }<\/span>\r\n<\/code><\/pre>\n
\u6267\u884c\u7ed3\u679c<\/p>\n
\u7528\u4e2d\u6587\u7ffb\u8bd1\u4ee5\u4e0b\u82f1\u6587\u53e5\u5b50\uff0c\u53ea\u9700\u4e00\u79cd\u9009\u9879\uff1a<\/p>\n
\u66ff\u6362
\n\u539f\u6587<\/p><\/blockquote>\n
\u987a\u4fbf\u4e00\u63d0\uff0c\u5728\u8fde\u63a5\u540e\uff0c\u8bf7\u786e\u8ba4MainActivity\u7c7b\u4e2d\u58f0\u660e\u7684\u65b9\u6cd5\uff0c\u4f1a\u53d1\u751f\u6709\u8da3\u7684\u4e8b\u60c5\u3002<\/p>\n
    @Override<\/span>\r\n    protected<\/span> void<\/span> onCreate<\/span>(<\/span>Bundle<\/span> savedInstanceState<\/span>)<\/span> {<\/span>\r\n        super<\/span>.<\/span>onCreate<\/span>(<\/span>savedInstanceState<\/span>);<\/span>\r\n\r\n        binding<\/span> =<\/span> ActivityMainBinding<\/span>.<\/span>inflate<\/span>(<\/span>getLayoutInflater<\/span>());<\/span>\r\n        setContentView<\/span>(<\/span>binding<\/span>.<\/span>getRoot<\/span>());<\/span>\r\n\r\n        try<\/span> {<\/span>\r\n\r\n            Interceptor<\/span>.<\/span>override<\/span>(<\/span>MainActivity<\/span>.<\/span>class<\/span>.<\/span>getDeclaredMethod<\/span>(<\/span>\"original\"<\/span>),<\/span> MainActivity<\/span>.<\/span>class<\/span>.<\/span>getDeclaredMethod<\/span>(<\/span>\"replace\"<\/span>));<\/span>\r\n\r\n        }<\/span> catch<\/span> (<\/span>Throwable<\/span> e<\/span>)<\/span> {<\/span>\r\n            throw<\/span> new<\/span> RuntimeException<\/span>(<\/span>e<\/span>);<\/span>\r\n        }<\/span>\r\n\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\" ==== Declared Methods ==== \"<\/span>);<\/span>\r\n        for<\/span> (<\/span>Method<\/span> method<\/span> :<\/span> MainActivity<\/span>.<\/span>class<\/span>.<\/span>getDeclaredMethods<\/span>()){<\/span>\r\n            System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>method<\/span>.<\/span>getName<\/span>());<\/span>\r\n        }<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\" ========================== \"<\/span>);<\/span>\r\n\r\n        TextView<\/span> tv<\/span> =<\/span> binding<\/span>.<\/span>sampleText<\/span>;<\/span>\r\n        tv<\/span>.<\/span>setText<\/span>(<\/span>\"\u3042\u3044\u3046\u3048\u304a\"<\/span>);<\/span>\r\n    }<\/span>\r\n<\/code><\/pre>\n
\u6267\u884c\u7ed3\u679c<\/p>\n
====\u58f0\u660e\u7684\u65b9\u6cd5====
\nonCreate
\n\u66ff\u6362
\n\u66ff\u6362
\n=====================<\/p><\/blockquote>\n
\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/p>\n
Memory<\/span>.<\/span>copy<\/span>(<\/span>originalAddress<\/span>,<\/span> replaceAddress<\/span>,<\/span> ArtMethod<\/span>.<\/span>getSize<\/span>());<\/span>\r\n<\/code><\/pre>\n
\u56e0\u4e3a\u6211\u4eec\u8fd8\u6ca1\u6709\u8bd5\u8fc7\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u6240\u4ee5\u9700\u8981\u8fdb\u884c\u8c03\u67e5\u4ee5\u4e86\u89e3\u53ef\u80fd\u4ea7\u751f\u7684\u526f\u4f5c\u7528\u3002<\/p>\n
\u8bf7\u7559\u610f\u6211\u5c06\u4ecb\u7ecd\u6211\u76ee\u524d\u6240\u4e86\u89e3\u5230\u7684\u6ce8\u610f\u4e8b\u9879\u548c\u526f\u4f5c\u7528\u3002<\/p>\n
\u30fbJNI\u4e0d\u652f\u6301\u8c03\u7528\u88ab\u6302\u94a9\u7684\u51fd\u6570\u7531\u4e8e\u5c06C ++\u7b49\u539f\u59cb\u51fd\u6570\u7684\u524d\u51e0\u4e2a\u5b57\u8282\u91cd\u5199\u4e3ajmp\u800c\u4e0d\u662f\u4f7f\u7528trampoline\u6280\u5de7\uff0c\u56e0\u6b64\u4e0d\u5f97\u4e0d\u5b8c\u5168\u8986\u76d6\u51fd\u6570\uff0c\u6240\u4ee5\u6ca1\u529e\u6cd5\u3002\u8bf7\u6ce8\u610f\uff0c\u65e0\u6cd5\u94a9\u4f4f\u4ece\u672c\u5730\u8c03\u7528\u7684\u51fd\u6570\u3002<\/p>\n
\u5c06\u4fdd\u5b58\u4e86\u539f\u59cb\u65b9\u6cd5\u7684\u51fd\u6570\u901a\u8fc7\u53cd\u5c04\u8c03\u7528\u4f1a\u5bfc\u81f4\u8fdb\u5165\u65e0\u9650\u5faa\u73af\u7684\u72b6\u6001\u3002\u6211\u5bf9\u8fd9\u4e2a\u539f\u56e0\u4e0d\u6e05\u695a\u3002
\n\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5047\u8bbe\u6211\u4eec\u4e4b\u524d\u7684\u4f8b\u5b50\u4e2d\uff0coriginal\u51fd\u6570\u7684\u5907\u4efd\u88ab\u4fdd\u5b58\u5728EvacuatedMethodStorage::method0\u4e2d\uff0c\u4f46\u662f\u5f53\u901a\u8fc7\u53cd\u5c04\u8c03\u7528method0\u51fd\u6570\u65f6\uff0c\u8c03\u7528\u4e86replace\u65b9\u6cd5\u800c\u4e0d\u662f\u539f\u59cb\u51fd\u6570\uff0c\u5bfc\u81f4\u53d1\u751f\u4e86\u65e0\u9650\u5faa\u73af\u3002
\n\u6211\u5728hook\u4e4b\u524d\u8fdb\u884c\u4e86\u5907\u4efd\uff0c\u6240\u4ee5\u6211\u8ba4\u4e3a\u4e0d\u4f1a\u53d7\u5230\u5f71\u54cd\uff0c\u4f46\u662f\u5373\u4f7f\u5c1d\u8bd5\u83b7\u53d6\u4e86hook\u540e\u7684method0\u7684\u5730\u5740\uff0c\u4e5f\u548coriginal\u548creplace\u7684\u5730\u5740\u4e0d\u4e00\u81f4\uff0c\u6240\u4ee5\u66f4\u52a0\u4e0d\u6e05\u695a\u4e86\u3002
\n\u6b63\u5982\u4e4b\u524d\u63d0\u5230\u7684\uff0c\u5728callOriginal\u51fd\u6570\u5185\uff0c\u901a\u8fc7switch\u8bed\u53e5\u5224\u65ad\u5e76\u8c03\u7528\u53cd\u5c04\u524d\u5907\u4efd\u7684\u539f\u59cb\u51fd\u6570\uff0c\u662f\u56e0\u4e3a\u8fd9\u4e2a\u539f\u56e0\u3002<\/p>\n
\u5982\u679c\u6709\u5f88\u591a\u52fe\u8fde\u51fd\u6570\uff0c\u5c31\u9700\u8981\u9010\u4e2a\u5728EvacuatedMethodStorage\u4e2d\u6dfb\u52a0\u65b9\u6cd5\u3002\u8fd9\u771f\u7684\u5f88\u9ebb\u70e6\u554a\u3002\u8981\u4e3aInterceptor::callOriginal\u51fd\u6570\u7684switch\u8bed\u53e5\u6dfb\u52a0\u65b0\u7684\u9009\u9879…<\/p>\n
\u7ed3\u675f\u6211\u4ece\u6765\u6ca1\u6709\u60f3\u8fc7\u901a\u8fc7Java\u5c31\u80fd\u5b9e\u73b0\u51fd\u6570\u94a9\u5b50\uff0c\u901a\u5e38\u6211\u4f1a\u8ba4\u4e3a\u8fd9\u65b9\u9762\u53ef\u80fd\u4f1a\u6d89\u53caJNI\u3002
\n\u6211\u975e\u5e38\u559c\u6b22\u8fd9\u79cd\u5b9e\u9a8c\uff0c\u6240\u4ee5\u5982\u679c\u6709\u673a\u4f1a\u7684\u8bdd\uff0c\u6211\u8fd8\u60f3\u5199\u7c7b\u4f3c\u8fd9\u6b21\u5185\u5bb9\u7684\u4e1c\u897f\u3002
\n\u5982\u679c\u6709\u4efb\u4f55\u9519\u8bef\uff0c\u8bf7\u6beb\u4e0d\u72b9\u8c6b\u5730\u6307\u51fa\u6765\u3002<\/p>\n
\u8d60\u54c1<\/p>\n
public<\/span> class<\/span> MainActivity<\/span> extends<\/span> AppCompatActivity<\/span> {<\/span>\r\n\r\n    private<\/span> ActivityMainBinding<\/span> binding<\/span>;<\/span>\r\n\r\n    @Override<\/span>\r\n    protected<\/span> void<\/span> onCreate<\/span>(<\/span>Bundle<\/span> savedInstanceState<\/span>)<\/span> {<\/span>\r\n        super<\/span>.<\/span>onCreate<\/span>(<\/span>savedInstanceState<\/span>);<\/span>\r\n\r\n        binding<\/span> =<\/span> ActivityMainBinding<\/span>.<\/span>inflate<\/span>(<\/span>getLayoutInflater<\/span>());<\/span>\r\n        setContentView<\/span>(<\/span>binding<\/span>.<\/span>getRoot<\/span>());<\/span>\r\n\r\n        try<\/span> {<\/span>\r\n\r\n            Interceptor<\/span>.<\/span>override<\/span>(<\/span>TextView<\/span>.<\/span>class<\/span>.<\/span>getDeclaredMethod<\/span>(<\/span>\"setText\"<\/span>,<\/span> CharSequence<\/span>.<\/span>class<\/span>),<\/span> MainActivity<\/span>.<\/span>class<\/span>.<\/span>getDeclaredMethod<\/span>(<\/span>\"setText_hook\"<\/span>,<\/span> CharSequence<\/span>.<\/span>class<\/span>));<\/span>\r\n\r\n        }<\/span> catch<\/span> (<\/span>Throwable<\/span> throwable<\/span>){<\/span>\r\n            throwable<\/span>.<\/span>printStackTrace<\/span>();<\/span>\r\n        }<\/span>\r\n\r\n        TextView<\/span> tv<\/span> =<\/span> binding<\/span>.<\/span>sampleText<\/span>;<\/span>\r\n        tv<\/span>.<\/span>setText<\/span>(<\/span>\"\u3042\u3044\u3046\u3048\u304a\"<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n    void<\/span> setText_hook<\/span>(<\/span>CharSequence<\/span> text<\/span>){<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"setText_hook -> text : \"<\/span> +<\/span> text<\/span>);<\/span>\r\n        Interceptor<\/span>.<\/span>callOriginal<\/span>(<\/span>this<\/span>,<\/span> text<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u57f7\u884c\u7d50\u679c (zh\u00ed ji\u00e9 gu\u01d2)<\/p>\n
\u81f4\u547d\u4fe1\u53f711\uff08SIGSEGV\uff09\uff0c\u4ee3\u78011\uff08SEGV_MAPERR\uff09\uff0c\u9519\u8bef\u5730\u57400x83efd50fdc\u5728\u7ebf\u7a0b13503\uff08ec.javahooktest\uff09\u4e2d\uff0c\u8fdb\u7a0b13503\uff08ec.javahooktest\uff09\u3002<\/p><\/blockquote>\n
\u6211\u89c9\u5f97\u5982\u679c\u94a9\u4f4f\u4e86View\u7cfb\u5217\u7684\u51fd\u6570\uff0c\u5927\u6982\u5c31\u4f1a\u5bfc\u81f4\u5d29\u6e83\u3002<\/p>\n
public<\/span> class<\/span> MainActivity<\/span> extends<\/span> AppCompatActivity<\/span> {<\/span>\r\n\r\n    private<\/span> ActivityMainBinding<\/span> binding<\/span>;<\/span>\r\n\r\n    @Override<\/span>\r\n    protected<\/span> void<\/span> onCreate<\/span>(<\/span>Bundle<\/span> savedInstanceState<\/span>)<\/span> {<\/span>\r\n        super<\/span>.<\/span>onCreate<\/span>(<\/span>savedInstanceState<\/span>);<\/span>\r\n\r\n        binding<\/span> =<\/span> ActivityMainBinding<\/span>.<\/span>inflate<\/span>(<\/span>getLayoutInflater<\/span>());<\/span>\r\n        setContentView<\/span>(<\/span>binding<\/span>.<\/span>getRoot<\/span>());<\/span>\r\n\r\n        try<\/span> {<\/span>\r\n\r\n            Interceptor<\/span>.<\/span>override<\/span>(<\/span>System<\/span>.<\/span>class<\/span>.<\/span>getDeclaredMethod<\/span>(<\/span>\"loadLibrary\"<\/span>,<\/span> String<\/span>.<\/span>class<\/span>),<\/span> MainActivity<\/span>.<\/span>class<\/span>.<\/span>getDeclaredMethod<\/span>(<\/span>\"loadLibrary_hook\"<\/span>,<\/span> String<\/span>.<\/span>class<\/span>));<\/span>\r\n\r\n        }<\/span> catch<\/span> (<\/span>Throwable<\/span> throwable<\/span>){<\/span>\r\n            throwable<\/span>.<\/span>printStackTrace<\/span>();<\/span>\r\n        }<\/span>\r\n\r\n        TextView<\/span> tv<\/span> =<\/span> binding<\/span>.<\/span>sampleText<\/span>;<\/span>\r\n        tv<\/span>.<\/span>setText<\/span>(<\/span>\"\u3042\u3044\u3046\u3048\u304a\"<\/span>);<\/span>\r\n\r\n        System<\/span>.<\/span>loadLibrary<\/span>(<\/span>\"javahooktest\"<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n    static<\/span> void<\/span> loadLibrary_hook<\/span>(<\/span>String<\/span> libname<\/span>){<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"System::loadLibrary -> libname : \"<\/span> +<\/span> libname<\/span>);<\/span>\r\n        \/\/Interceptor.callOriginal(null, libname);<\/span>\r\n    }<\/span>\r\n\r\n}<\/span>\r\n<\/code><\/pre>\n
\u867d\u7136\u4e0d\u9700\u8981\u5c55\u793a\u6267\u884c\u7ed3\u679c\uff0c\u4f46\u662f\u6211\u53d1\u73b0\u8c03\u7528callOriginal\u65f6\u4f1a\u5bfc\u81f4\u5d29\u6e83\u3002\u4e0d\u8fc7\u6211\u8ba4\u4e3a\u8fd9\u79cd\u65b9\u6cd5\u975e\u5e38\u5b9e\u7528\uff0c\u53ef\u4ee5\u5728\u52a0\u8f7d\u6e38\u620f\u7b49\u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u5e93\u540e\uff0c\u901a\u8fc7\u94a9\u5b50\u6280\u672f\u62e6\u622aloadLibrary\u51fd\u6570\uff0c\u9632\u6b62\u5916\u90e8\u5e93\u7684\u6ce8\u5165\u7b49\uff0c\u4ee5\u52a0\u5f3a\u5bf9\u4f5c\u5f0a\u7684\u9632\u8303\u4f5c\u7528\u3002\u53ea\u8981\u4e0d\u4ece\u5185\u5b58\u4e2d\u8bfb\u53d6\uff0c\u8fd9\u79cd\u65b9\u6cd5\u53ef\u80fd\u5bf9\u9632\u4f5c\u5f0a\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
public<\/span> class<\/span> MainActivity<\/span> extends<\/span> AppCompatActivity<\/span> {<\/span>\r\n\r\n    private<\/span> ActivityMainBinding<\/span> binding<\/span>;<\/span>\r\n\r\n    @Override<\/span>\r\n    protected<\/span> void<\/span> onCreate<\/span>(<\/span>Bundle<\/span> savedInstanceState<\/span>)<\/span> {<\/span>\r\n        super<\/span>.<\/span>onCreate<\/span>(<\/span>savedInstanceState<\/span>);<\/span>\r\n\r\n        binding<\/span> =<\/span> ActivityMainBinding<\/span>.<\/span>inflate<\/span>(<\/span>getLayoutInflater<\/span>());<\/span>\r\n        setContentView<\/span>(<\/span>binding<\/span>.<\/span>getRoot<\/span>());<\/span>\r\n\r\n        try<\/span> {<\/span>\r\n\r\n            Interceptor<\/span>.<\/span>override<\/span>(<\/span>TextView<\/span>.<\/span>class<\/span>.<\/span>getDeclaredMethod<\/span>(<\/span>\"setText\"<\/span>,<\/span> CharSequence<\/span>.<\/span>class<\/span>),<\/span> MainActivity<\/span>.<\/span>class<\/span>.<\/span>getDeclaredMethod<\/span>(<\/span>\"setText_hook\"<\/span>,<\/span>\u3000<\/span>CharSequence<\/span>.<\/span>class<\/span>));<\/span>\r\n\r\n        }<\/span> catch<\/span> (<\/span>Throwable<\/span> throwable<\/span>){<\/span>\r\n            throwable<\/span>.<\/span>printStackTrace<\/span>();<\/span>\r\n        }<\/span>\r\n\r\n        Log<\/span>.<\/span>d<\/span>(<\/span>\"ABC\"<\/span>,<\/span> \"YO\"<\/span>);<\/span>\r\n\r\n        TextView<\/span> tv<\/span> =<\/span> binding<\/span>.<\/span>sampleText<\/span>;<\/span>\r\n        tv<\/span>.<\/span>setText<\/span>(<\/span>\"\u3042\u3044\u3046\u3048\u304a\"<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n    void<\/span> d_hook<\/span>(<\/span>String<\/span> tag<\/span>,<\/span> String<\/span> msg<\/span>){<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"Log.d -> hook : tag | \"<\/span> +<\/span> tag<\/span> +<\/span> \", msg | \"<\/span> +<\/span> msg<\/span>);<\/span>\r\n        Interceptor<\/span>.<\/span>callOriginal<\/span>(<\/span>null<\/span>,<\/span> tag<\/span>,<\/span> msg<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6267\u884c\u7ed3\u679c (sh\u00ed ji\u00e9 gu\u01d2)<\/p>\n
\u8fd0\u884c\u65f6.cc:663] JNI\u68c0\u6d4b\u5230\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u9519\u8bef\uff1ajstring\u5177\u6709\u9519\u8bef\u7c7b\u578b\uff1ajava.lang.Object[]<\/p><\/blockquote>\n
\u4e0d\u884c\u3002<\/p>\n
\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u5982\u679c\u4e0d\u8c03\u7528\u539f\u59cb\u6587\u4ef6\u7684\u8bdd<\/p>\n
    void<\/span> d_hook<\/span>(<\/span>String<\/span> tag<\/span>,<\/span> String<\/span> msg<\/span>){<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"Log.d -> hook | tag : \"<\/span> +<\/span> tag<\/span> +<\/span> \", msg : \"<\/span> +<\/span> msg<\/span>);<\/span>\r\n        \/\/Interceptor.callOriginal(null, tag, msg);<\/span>\r\n    }<\/span>\r\n<\/code><\/pre>\n
\u6267\u884c\u7ed3\u679c<\/p>\n
\u6253\u5370.d -> \u94a9\u5b50 | \u6807\u7b7e: ABC\uff0c\u6d88\u606f: \u563f<\/p><\/blockquote>\n
public<\/span> class<\/span> MainActivity<\/span> extends<\/span> AppCompatActivity<\/span> {<\/span>\r\n\r\n    private<\/span> ActivityMainBinding<\/span> binding<\/span>;<\/span>\r\n\r\n    @Override<\/span>\r\n    protected<\/span> void<\/span> onCreate<\/span>(<\/span>Bundle<\/span> savedInstanceState<\/span>)<\/span> {<\/span>\r\n        super<\/span>.<\/span>onCreate<\/span>(<\/span>savedInstanceState<\/span>);<\/span>\r\n\r\n        binding<\/span> =<\/span> ActivityMainBinding<\/span>.<\/span>inflate<\/span>(<\/span>getLayoutInflater<\/span>());<\/span>\r\n        setContentView<\/span>(<\/span>binding<\/span>.<\/span>getRoot<\/span>());<\/span>\r\n\r\n        try<\/span> {<\/span>\r\n\r\n            Interceptor<\/span>.<\/span>override<\/span>(<\/span>ContextWrapper<\/span>.<\/span>class<\/span>.<\/span>getDeclaredMethod<\/span>(<\/span>\"getPackageName\"<\/span>),<\/span> MainActivity<\/span>.<\/span>class<\/span>.<\/span>getDeclaredMethod<\/span>(<\/span>\"getPackageName_hook\"<\/span>));<\/span>\r\n\r\n        }<\/span> catch<\/span> (<\/span>Throwable<\/span> throwable<\/span>){<\/span>\r\n            throwable<\/span>.<\/span>printStackTrace<\/span>();<\/span>\r\n        }<\/span>\r\n\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"Package : \"<\/span> +<\/span> getPackageName<\/span>());<\/span>\r\n\r\n        TextView<\/span> tv<\/span> =<\/span> binding<\/span>.<\/span>sampleText<\/span>;<\/span>\r\n        tv<\/span>.<\/span>setText<\/span>(<\/span>\"\u3042\u3044\u3046\u3048\u304a\"<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n    String<\/span> getPackageName_hook<\/span>(){<\/span>\r\n        return<\/span> \"ai.ue.o\"<\/span>;<\/span>\r\n    }<\/span>\r\n<\/code><\/pre>\n
\u6267\u884c\u7ed3\u679c<\/p>\n
\u5305\u88c5\uff1aai.ue.o<\/p><\/blockquote>\n
\u53ef\u80fd\u6709\u5404\u79cd\u7528\u9014\u7684\u5417….?<\/p>\n","protected":false},"excerpt":{"rendered":"
\u9996\u5148\u6211\u8ba4\u4e3a\u5982\u679c\u5728Java\u4e2d\u4e5f\u80fd\u591f\u5b9e\u73b0\u51fd\u6570\u94a9\u5b50\uff0c\u90a3\u5c06\u4f1a\u975e\u5e38\u6709\u8da3\uff0c\u6240\u4ee5\u6211\u8bd5\u7740\u505a\u4e86\u4e00\u4e0b\u3002 \u73af\u5883\u30fbAndroid 11 […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30976","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\n[Android] \u5728\u4e0d\u9700\u8981Root\u6743\u9650\u4e14\u53ea\u4f7f\u7528Java\u7684\u60c5\u51b5\u4e0b\uff0c\u94a9\u53d6Java\u51fd\u6570 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e[Android] \u5728\u4e0d\u9700\u8981Root\u6743\u9650\u4e14\u53ea\u4f7f\u7528Java\u7684\u60c5\u51b5\u4e0b\uff0c\u94a9\u53d6Java\u51fd\u6570\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/android-\u5728\u4e0d\u9700\u8981root\u6743\u9650\u4e14\u53ea\u4f7f\u7528java\u7684\u60c5\u51b5\u4e0b\uff0c\u94a9\u53d6java\u51fd\u6570\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Android] \u5728\u4e0d\u9700\u8981Root\u6743\u9650\u4e14\u53ea\u4f7f\u7528Java\u7684\u60c5\u51b5\u4e0b\uff0c\u94a9\u53d6Java\u51fd\u6570\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e[Android] \u5728\u4e0d\u9700\u8981Root\u6743\u9650\u4e14\u53ea\u4f7f\u7528Java\u7684\u60c5\u51b5\u4e0b\uff0c\u94a9\u53d6Java\u51fd\u6570\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/android-\u5728\u4e0d\u9700\u8981root\u6743\u9650\u4e14\u53ea\u4f7f\u7528java\u7684\u60c5\u51b5\u4e0b\uff0c\u94a9\u53d6java\u51fd\u6570\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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