Getting this error android.view.InflateException: Binary XML file line #2: Error inflating class <unknown> -

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am new android one facing error after adding linear layout fragment in main layout. before working fine fragment using 5.5" device test app.

07-22 19:48:01.775  28504-28504/com.milkywaygalaxy.mymaps e/androidruntime﹕ fatal exception: main process: com.milkywaygalaxy.mymaps, pid: 28504 java.lang.runtimeexception: unable start activity componentinfo{com.milkywaygalaxy.mymaps/com.milkywaygalaxy.mymaps.mapsactivity}: android.view.inflateexception: binary xml file line #2: error inflating class <unknown>         @ android.app.activitythread.performlaunchactivity(activitythread.java:2198)         @ android.app.activitythread.handlelaunchactivity(activitythread.java:2247)         @ android.app.activitythread.access$800(activitythread.java:141)         @ android.app.activitythread$h.handlemessage(activitythread.java:1210)         @ android.os.handler.dispatchmessage(handler.java:102)         @ android.os.looper.loop(looper.java:136)         @ android.app.activitythread.main(activitythread.java:5050)         @ java.lang.reflect.method.invokenative(native method)         @ java.lang.reflect.method.invoke(method.java:515)         @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:806)         @ com.android.internal.os.zygoteinit.main(zygoteinit.java:622)         @ dalvik.system.nativestart.main(native method)

this new linear layout

<?xml version="1.0" encoding="utf-8"?> <linearlayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:paddingbottom="@string/verical_margin" android:paddingleft="@string/horizondal_margin" android:paddingright="@string/horizondal_margin" android:paddingtop="@string/verical_margin" >  <linearlayout     android:layout_width="match_parent"     android:layout_height="wrap_content"     android:orientation="horizontal" >      <textview         android:id="@+id/textview1"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:layout_gravity="start|center_vertical"         android:text="@string/location"         android:textsize="20sp" />      <edittext         android:id="@+id/edittext1"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:layout_gravity="center|center_vertical"         android:ems="10" >          <requestfocus />     </edittext>      <button         android:id="@+id/button1"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:layout_gravity="end|center_vertical"         android:text="@string/go"         android:onclick="geolocate"/> </linearlayout>  <fragment     android:id="@+id/map"     android:name="com.google.android.gms.maps.supportmapfragment"     android:layout_width="match_parent"     android:layout_height="fill_parent" />  </linearlayout>

this main activity java code

public class mainactivity extends fragmentactivity {  private static final int gps_errordialog_request = 9001; googlemap mmap;  @suppresswarnings("unused") private static final double seattle_lat = 47.60621, seattle_lng =-122.33207,  sydney_lat = -33.867487, sydney_lng = 151.20699,  newyork_lat = 40.714353,  newyork_lng = -74.005973; private static final float defaultzoom = 15; private static final string logtag = "maps";  @override protected void oncreate(bundle savedinstancestate) {     super.oncreate(savedinstancestate);      if (servicesok()) {         setcontentview(r.layout.activity_map);          if (initmap()) {             toast.maketext(this, "ready map!", toast.length_short).show();             gotolocation(seattle_lat, seattle_lng, defaultzoom);         }         else {             toast.maketext(this, "map not available!", toast.length_short).show();         }     }     else {         setcontentview(r.layout.activity_main);     }  }

while running app on device on developer mode showing unfortunately app has stopped. kindly tell me suggestions or solutions. in advance.


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