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Editorial Team
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Asked: 2026-06-16T15:48:52+00:00

EDIT: For those struggling with this, checkout this link . Follow it carefully, but

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EDIT: For those struggling with this, checkout this link. Follow it carefully, but it does work! The crucial part is using keytool to generate your SHA1 hash against your debug keystore. Also, don’t forget to add one for release too!

I’ve been trying to setup Google Maps Android API v2 and after setting everything up as said I’m getting this runtime exception ClassNotFound:

01-02 16:29:07.927: E/AndroidRuntime(12508): FATAL EXCEPTION: main
01-02 16:29:07.927: E/AndroidRuntime(12508): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.app/com.example.app.MapActivity}: android.view.InflateException: Binary XML file line #6: Error inflating class fragment
01-02 16:29:07.927: E/AndroidRuntime(12508):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1659)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1675)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at android.app.ActivityThread.access$1500(ActivityThread.java:121)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:943)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at android.os.Handler.dispatchMessage(Handler.java:99)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at android.os.Looper.loop(Looper.java:130)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at android.app.ActivityThread.main(ActivityThread.java:3701)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at java.lang.reflect.Method.invokeNative(Native Method)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at java.lang.reflect.Method.invoke(Method.java:507)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:866)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:624)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at dalvik.system.NativeStart.main(Native Method)
01-02 16:29:07.927: E/AndroidRuntime(12508): Caused by: android.view.InflateException: Binary XML file line #6: Error inflating class fragment
01-02 16:29:07.927: E/AndroidRuntime(12508):    at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:581)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at android.view.LayoutInflater.rInflate(LayoutInflater.java:623)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at android.view.LayoutInflater.inflate(LayoutInflater.java:408)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at android.view.LayoutInflater.inflate(LayoutInflater.java:320)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at android.view.LayoutInflater.inflate(LayoutInflater.java:276)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:227)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at android.app.Activity.setContentView(Activity.java:1657)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at com.example.app.MapActivity.onCreate(MapActivity.java:11)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1623)
01-02 16:29:07.927: E/AndroidRuntime(12508):    ... 11 more
01-02 16:29:07.927: E/AndroidRuntime(12508): Caused by: java.lang.ClassNotFoundException: android.view.fragment in loader dalvik.system.PathClassLoader[/data/app/com.example.app-1.apk]
01-02 16:29:07.927: E/AndroidRuntime(12508):    at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at java.lang.ClassLoader.loadClass(ClassLoader.java:551)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at android.view.LayoutInflater.createView(LayoutInflater.java:471)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at android.view.LayoutInflater.onCreateView(LayoutInflater.java:549)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:66)
01-02 16:29:07.927: E/AndroidRuntime(12508):    at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:568)
01-02 16:29:07.927: E/AndroidRuntime(12508):    ... 20 more

Has anyone ever come across this before?

XML:

<?xml version="1.0" encoding="utf-8"?>
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
  android:id="@+id/map"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  class="com.google.android.gms.maps.MapFragment"/>

MapActivity:

import android.os.Bundle;
import android.app.Activity;

public class MapActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_map);
    }
}
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1 Answer

  1. Editorial Team

    Your Activity needs to extend FragmentActivity from the support library

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