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Android Hooking: Writing Xposed Modules

1. Declare the module in AndroidManifest.xml

<manifest xmlns:android=""
    android:versionName="1.0" >

        android:targetSdkVersion="15" />

        android:theme="@style/AppTheme" >
            android:value="true" />
            android:value="List APP Modules and hook Some funtions" />
            android:value="30" />


2. Create a text file called xposed_init (without .txt) in your assets folder with your main class as the content.

& also create a directory named "lib" inside your project and  add XPosedBridgeAPI.jar in it.

Xposed Module Writing

3. Inject package loading process using handleLoadPackage() method

public void handleLoadPackage(final LoadPackageParam lpparam) throws Throwable {
    if (!lpparam.packageName.equals(""))
    XposedBridge.log("we are in SystemUI!");

4. Hook and replace your methods of choice. Don't forget to static import this method:

import static;

Run your code before/after a method. You can determine the returned result of the method using theMethodHookParam.

findAndHookMethod(" ", lpparam.classLoader, "isThisTheMethodToBeHooked", new XC_MethodHook() {
    protected void beforeHookedMethod(MethodHookParam param) throws Throwable {
        // this will be called before the original method is executed
        if (somethingHappens) {
            // modify the result of the original method

    protected void afterHookedMethod(MethodHookParam param) throws Throwable {
        // this will be called after
You can also replace the method completely. If the function has some params, make sure you include them in the findAndHookMethod function call.

findAndHookMethod("com.example.SomeClass", loadPackageParam.classLoader, "getAudioEnabled", Context.class, String.class, new XC_MethodReplacement() {
    protected Object replaceHookedMethod(MethodHookParam param) throws Throwable {
        return true;



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