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Editorial Team
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Asked: 2026-06-05T04:08:19+00:00

While integrating fb sdk in my application i get following error : 06-05 16:01:42.758:

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While integrating fb sdk in my application i get following error :

06-05 16:01:42.758: E/AndroidRuntime(892): FATAL EXCEPTION: main
06-05 16:01:42.758: E/AndroidRuntime(892): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.biz.fbapp/com.biz.fbapp.FBAppActivity}: android.view.InflateException: Binary XML file line #7: Error inflating class com.facebook.android.LoginButton
06-05 16:01:42.758: E/AndroidRuntime(892):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1956)
06-05 16:01:42.758: E/AndroidRuntime(892):  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
06-05 16:01:42.758: E/AndroidRuntime(892):  at android.app.ActivityThread.access$600(ActivityThread.java:123)
06-05 16:01:42.758: E/AndroidRuntime(892):  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
06-05 16:01:42.758: E/AndroidRuntime(892):  at android.os.Handler.dispatchMessage(Handler.java:99)
06-05 16:01:42.758: E/AndroidRuntime(892):  at android.os.Looper.loop(Looper.java:137)
06-05 16:01:42.758: E/AndroidRuntime(892):  at android.app.ActivityThread.main(ActivityThread.java:4424)
06-05 16:01:42.758: E/AndroidRuntime(892):  at java.lang.reflect.Method.invokeNative(Native Method)
06-05 16:01:42.758: E/AndroidRuntime(892):  at java.lang.reflect.Method.invoke(Method.java:511)
06-05 16:01:42.758: E/AndroidRuntime(892):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
06-05 16:01:42.758: E/AndroidRuntime(892):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
06-05 16:01:42.758: E/AndroidRuntime(892):  at dalvik.system.NativeStart.main(Native Method)
06-05 16:01:42.758: E/AndroidRuntime(892): Caused by: android.view.InflateException: Binary XML file line #7: Error inflating class com.facebook.android.LoginButton
06-05 16:01:42.758: E/AndroidRuntime(892):  at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:691)
06-05 16:01:42.758: E/AndroidRuntime(892):  at android.view.LayoutInflater.rInflate(LayoutInflater.java:739)
06-05 16:01:42.758: E/AndroidRuntime(892):  at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
06-05 16:01:42.758: E/AndroidRuntime(892):  at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
06-05 16:01:42.758: E/AndroidRuntime(892):  at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
06-05 16:01:42.758: E/AndroidRuntime(892):  at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:251)
06-05 16:01:42.758: E/AndroidRuntime(892):  at android.app.Activity.setContentView(Activity.java:1835)
06-05 16:01:42.758: E/AndroidRuntime(892):  at com.biz.fbapp.FBAppActivity.onCreate(FBAppActivity.java:53)
06-05 16:01:42.758: E/AndroidRuntime(892):  at android.app.Activity.performCreate(Activity.java:4465)
06-05 16:01:42.758: E/AndroidRuntime(892):  at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
06-05 16:01:42.758: E/AndroidRuntime(892):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920)
06-05 16:01:42.758: E/AndroidRuntime(892):  ... 11 more
06-05 16:01:42.758: E/AndroidRuntime(892): Caused by: java.lang.ClassNotFoundException: com.facebook.android.LoginButton
06-05 16:01:42.758: E/AndroidRuntime(892):  at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
06-05 16:01:42.758: E/AndroidRuntime(892):  at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
06-05 16:01:42.758: E/AndroidRuntime(892):  at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
06-05 16:01:42.758: E/AndroidRuntime(892):  at android.view.LayoutInflater.createView(LayoutInflater.java:552)
06-05 16:01:42.758: E/AndroidRuntime(892):  at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:680)
06-05 16:01:42.758: E/AndroidRuntime(892):  ... 21 more

on this line 

setContentView(R.layout.main);

code on main.xml is 

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="fill_parent"
    android:layout_height="fill_parent" android:background="@drawable/white"
    android:gravity="center_horizontal">

    <com.biz.fbapp.LoginButton
        android:id="@+id/login"
        android:src="@drawable/login_button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" 
        android:layout_margin="30dp"
        />

    <TextView android:id="@+id/txt" 
        android:text="@string/hello"
        android:textColor="@drawable/black"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        />

    <Button android:id="@+id/uploadButton"
        android:text="@string/upload"
        android:visibility="invisible"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" 
        android:paddingRight="20dp" 
        android:paddingLeft="20dp"
        android:layout_margin="20dp" 
        />

    <Button android:id="@+id/requestButton"
        android:text="@string/request"
        android:visibility="invisible"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" 
        android:paddingRight="20dp" 
        android:paddingLeft="20dp"
        android:layout_margin="20dp" 
        />


    <Button android:id="@+id/postButton" 
        android:text="@string/post"
        android:visibility="invisible"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" 
        android:paddingRight="20dp" 
        android:paddingLeft="20dp"
        android:layout_margin="20dp" 
        />

    <Button android:id="@+id/deletePostButton" 
        android:text="@string/delete"
        android:visibility="invisible"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" 
        android:paddingRight="20dp" 
        android:paddingLeft="20dp"
        android:layout_margin="20dp" 
        />



</LinearLayout>

Please help me by telling what I have missed or done wrong.

Edit :

Now I get noclassdeffound even after i imported that file, unable to add library on that specific project..

Thanks
Shruti

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1 Answer

  1. Editorial Team

    Caused by: android.view.InflateException: Binary XML file line #7:
    Error inflating class com.facebook.android.LoginButton

    There is no LoginButton in the main source of that SDK.
    It’s available in the sample code only, so it just fails to load the unavailable class (ClassNotFoundException)

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