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<p>It did not work. FF3 still crashes.</p>
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</pre></td><td class="de1"><pre class="de1"><span class="kw1">import</span> <span class="co2">java.lang.reflect.Method</span><span class="sy0">;</span>
 
<span class="kw1">import</span> <span class="co2">de.robv.android.xposed.IXposedHookCmdInit</span><span class="sy0">;</span>
<span class="kw1">import</span> <span class="co2">de.robv.android.xposed.XC_MethodHook</span><span class="sy0">;</span>
<span class="kw1">import</span> <span class="co2">de.robv.android.xposed.XposedBridge</span><span class="sy0">;</span>
<span class="kw1">import</span> <span class="co2">de.robv.android.xposed.XposedHelpers</span><span class="sy0">;</span>
<span class="kw1">import</span> <span class="co2">de.robv.android.xposed.callbacks.XC_LoadPackage</span><span class="sy0">;</span>
 
<span class="kw1">public</span> <span class="kw1">class</span> Mypackage <span class="co2">implements</span> IXposedHookCmdInit
<span class="br0">{</span>
    @Override
    <span class="kw1">public</span> <span class="kw4">void</span> initCmdApp<span class="br0">(</span>StartupParam startupParam<span class="br0">)</span> <span class="kw1">throws</span> <a href="http://www.google.com/search?hl=en&q=allinurl%3Adocs.oracle.com+javase+docs+api+throwable"><span class="kw3">Throwable</span></a> <span class="br0">{</span>
        <span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>startupParam.<span class="me1">startClassName</span>.<span class="me1">equals</span><span class="br0">(</span><span class="st0">"com.android.commands.pm.Pm"</span><span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span>
            <span class="kw1">return</span><span class="sy0">;</span>
        <span class="br0">}</span>
        <span class="co1">//XposedBridge.log("startup:" + startupParam.startClassName);</span>
 
        <span class="coMULTI">/*</span>
<span class="coMULTI">         Final Fantasy 3 has a native library lib__57d5__.so that tries to clear the data</span>
<span class="coMULTI">         for all apk files in /data/app/. We do not know why.</span>
 
<span class="coMULTI">         It fails to do this for root-owned packages like this xposed module.</span>
<span class="coMULTI">         See</span>
<span class="coMULTI">         https://forum.xda-developers.com/xposed/framework-xposed-rom-modding-modifying-t1574401/page170#1700</span>
 
<span class="coMULTI">         We simply prevent it from doing that.</span>
 
<span class="coMULTI">         https://android.googlesource.com/platform/frameworks/base/+/refs/tags/android-4.1.2_r1/core/java/android/app/ActivityManagerNative.java#2880</span>
 
<span class="coMULTI">         public boolean clearApplicationUserData(</span>
<span class="coMULTI">             String packageName, IPackageDataObserver observer, final int userId</span>
<span class="coMULTI">         )</span>
<span class="coMULTI">         */</span>
        XposedHelpers.<span class="me1">findAndHookMethod</span><span class="br0">(</span>
            <span class="st0">"android.app.ActivityManagerProxy"</span>,
            <span class="kw2">null</span>,
            <span class="st0">"clearApplicationUserData"</span>,
            <a href="http://www.google.com/search?hl=en&q=allinurl%3Adocs.oracle.com+javase+docs+api+string"><span class="kw3">String</span></a>.<span class="kw1">class</span>,
            <span class="st0">"android.content.pm.IPackageDataObserver"</span>,
            <span class="kw4">int</span>.<span class="kw1">class</span>,
            <span class="kw1">new</span> XC_MethodHook<span class="br0">(</span><span class="br0">)</span> <span class="br0">{</span>
                @Override
                <span class="kw1">protected</span> <span class="kw4">void</span> beforeHookedMethod<span class="br0">(</span>MethodHookParam param<span class="br0">)</span> <span class="kw1">throws</span> <a href="http://www.google.com/search?hl=en&q=allinurl%3Adocs.oracle.com+javase+docs+api+throwable"><span class="kw3">Throwable</span></a> <span class="br0">{</span>
                    <a href="http://www.google.com/search?hl=en&q=allinurl%3Adocs.oracle.com+javase+docs+api+string"><span class="kw3">String</span></a> packageName <span class="sy0">=</span> <span class="br0">(</span><a href="http://www.google.com/search?hl=en&q=allinurl%3Adocs.oracle.com+javase+docs+api+string"><span class="kw3">String</span></a><span class="br0">)</span> param.<span class="me1">args</span><span class="br0">[</span><span class="nu0">0</span><span class="br0">]</span><span class="sy0">;</span>
                    XposedBridge.<span class="me1">log</span><span class="br0">(</span><span class="st0">"clearApplicationUserData: "</span> <span class="sy0">+</span> packageName<span class="br0">)</span><span class="sy0">;</span>
                    <span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>packageName.<span class="me1">equals</span><span class="br0">(</span><span class="st0">"mypackage"</span><span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span>
                        <span class="kw1">return</span><span class="sy0">;</span>
                    <span class="br0">}</span>
 
                    param.<span class="me1">setResult</span><span class="br0">(</span><span class="kw2">true</span><span class="br0">)</span><span class="sy0">;</span>
 
                    <span class="co1">//we do not have direct access to IPackageDataObserver, so we have to dance</span>
                    <a href="http://www.google.com/search?hl=en&q=allinurl%3Adocs.oracle.com+javase+docs+api+object"><span class="kw3">Object</span></a> observer <span class="sy0">=</span> param.<span class="me1">args</span><span class="br0">[</span><span class="nu0">1</span><span class="br0">]</span><span class="sy0">;</span>
                    <span class="kw1">if</span><span class="br0">(</span>observer <span class="sy0">!=</span> <span class="kw2">null</span><span class="br0">)</span> <span class="br0">{</span>
                        Class<span class="sy0"><?></span> iPackageDataObserverClass <span class="sy0">=</span> <span class="kw1">Class</span>.<span class="me1">forName</span><span class="br0">(</span><span class="st0">"android.content.pm.IPackageDataObserver"</span><span class="br0">)</span><span class="sy0">;</span>
                        Class<span class="sy0"><?></span><span class="br0">[</span><span class="br0">]</span> paramTypes <span class="sy0">=</span> <span class="br0">{</span><a href="http://www.google.com/search?hl=en&q=allinurl%3Adocs.oracle.com+javase+docs+api+string"><span class="kw3">String</span></a>.<span class="kw1">class</span>, <span class="kw4">boolean</span>.<span class="kw1">class</span><span class="br0">}</span><span class="sy0">;</span>
                        <a href="http://www.google.com/search?hl=en&q=allinurl%3Adocs.oracle.com+javase+docs+api+method"><span class="kw3">Method</span></a> onRemoveCompletedMethod <span class="sy0">=</span> iPackageDataObserverClass.<span class="me1">getMethod</span><span class="br0">(</span><span class="st0">"onRemoveCompleted"</span>, paramTypes<span class="br0">)</span><span class="sy0">;</span>
                        <a href="http://www.google.com/search?hl=en&q=allinurl%3Adocs.oracle.com+javase+docs+api+object"><span class="kw3">Object</span></a><span class="br0">[</span><span class="br0">]</span> params <span class="sy0">=</span> <span class="br0">{</span>packageName, <span class="kw2">true</span><span class="br0">}</span><span class="sy0">;</span>
                        <span class="kw1">try</span> <span class="br0">{</span>
                            onRemoveCompletedMethod.<span class="me1">invoke</span><span class="br0">(</span>observer, params<span class="br0">)</span><span class="sy0">;</span>
                            <span class="co1">//observer.onRemoveCompleted(packageName, true);</span>
                        <span class="br0">}</span> <span class="kw1">catch</span> <span class="br0">(</span><a href="http://www.google.com/search?hl=en&q=allinurl%3Adocs.oracle.com+javase+docs+api+exception"><span class="kw3">Exception</span></a> e<span class="br0">)</span> <span class="br0">{</span>
                            XposedBridge.<span class="me1">log</span><span class="br0">(</span><span class="st0">"Observer no longer exists."</span><span class="br0">)</span><span class="sy0">;</span>
                        <span class="br0">}</span>
                    <span class="br0">}</span>
                    <span class="co1">//end dance</span>
                <span class="br0">}</span>
            <span class="br0">}</span>
        <span class="br0">)</span><span class="sy0">;</span>
 
    <span class="br0">}</span>
<span class="br0">}</span>
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