java - Inflate Exception caused by setContentView of Activity in android -

i have made game in android studio.it working fine in emulators , own phone. when uploaded play store, got crash report htc m8(running on android 6 marshmallow) of inflate exception setcontentview of activity. provide crash report play store , codes.

mainactivity.java

import android.app.activity; import android.content.intent; import android.content.sharedpreferences; import android.graphics.typeface; import android.media.mediaplayer;  import android.net.uri;  import android.os.bundle; import android.support.annotation.*; import android.view.view; import android.view.window; import android.view.windowmanager; import android.widget.button; import android.widget.textview; import android.widget.toast;   import com.google.android.gms.common.connectionresult; import com.google.android.gms.common.api.googleapiclient; import com.google.android.gms.drive.drive; import com.google.android.gms.games.games; import com.google.android.gms.games.leaderboard.leaderboard; import com.google.example.games.basegameutils.basegameactivity; import com.google.example.games.basegameutils.basegameutils;   public class mainactivity extends activity implements googleapiclient.connectioncallbacks, googleapiclient.onconnectionfailedlistener, view.onclicklistener{     mediaplayer btnsound, gamestart;     button playa, instructo, high, exitar, googlesignout;     private googleapiclient mgoogleapiclient;     textview hight;     int highsco;     public static final string colorbang = "myprefsfile";     private static int rc_sign_in = 9001;     private static int rc_unused = 5001;     private boolean mresolvingconnectionfailure = false;     private boolean mautostartsigninflow = true;     private boolean msigninclicked = false;     boolean mexplicitsignout = false;     boolean minsigninflow = false;     int n = 0;       /**      * attention: auto-generated implement app indexing api.      * see https://g.co/appindexing/androidstudio more information.      */       @override     protected void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);         sharedpreferences prefs = getsharedpreferences(colorbang, mode_private);         requestwindowfeature(window.feature_no_title);         getwindow().setflags(windowmanager.layoutparams.flag_fullscreen,                 windowmanager.layoutparams.flag_fullscreen);         setcontentview(r.layout.activity_main);         mgoogleapiclient = new googleapiclient.builder(this)                 .addconnectioncallbacks(this)                 .addonconnectionfailedlistener(this)                 .addapi(games.api).addscope(games.scope_games)                 .addapi(drive.api).addscope(drive.scope_appfolder)                 .build();         btnsound = mediaplayer.create(mainactivity.this, r.raw.buttonclick);         gamestart = mediaplayer.create(mainactivity.this, r.raw.splash);         findviewbyid(r.id.sign_in_button).setonclicklistener(this);         findviewbyid(r.id.full_version).setonclicklistener(this);         gamestart.start();          playa = (button) findviewbyid(r.id.bplay);         googlesignout = (button) findviewbyid(r.id.sign_out_button);         instructo = (button) findviewbyid(r.id.binstructions);         high = (button) findviewbyid(r.id.bhighscore);         highsco = prefs.getint("chigh", 0);         hight = (textview) findviewbyid(r.id.tvhighscoreindicator);         exitar = (button) findviewbyid(r.id.bexit);         typeface mycustomfont = typeface.createfromasset(getassets(), "fonts/fipps-regular.otf");         playa.settypeface(mycustomfont);         hight.settypeface(mycustomfont);         instructo.settypeface(mycustomfont);         high.settypeface(mycustomfont);         exitar.settypeface(mycustomfont);         hightime();         googlesignout.setonclicklistener(new view.onclicklistener() {             @override             public void onclick(view v) {                   findviewbyid(r.id.sign_in_button).setvisibility(view.visible);                 googlesignout.setvisibility(view.gone);                 signoutclicked();             }         });         playa.setonclicklistener(new view.onclicklistener() {             @override             public void onclick(view v) {                 btnsound.start();                 intent startplayin = new intent(mainactivity.this, layout.class);                 startactivity(startplayin);                 finish();             }         });         instructo.setonclicklistener(new view.onclicklistener() {             @override             public void onclick(view v) {                 btnsound.start();                 intent instructi = new intent(mainactivity.this, instructions.class);                 startactivity(instructi);             }         });         high.setonclicklistener(new view.onclicklistener() {             @override             public void onclick(view v) {                 btnsound.start();                 if ( mgoogleapiclient.isconnected()) {                     startactivityforresult(games.leaderboards.getallleaderboardsintent(mgoogleapiclient),rc_unused);                 }                 else{                     toast.maketext(mainactivity.this, "please sign in play games account", toast.length_short).show();                 }             }         });         exitar.setonclicklistener(new view.onclicklistener() {             @override             public void onclick(view v) {                 btnsound.start();                 toast.maketext(mainactivity.this, "hasta la vista baby", toast.length_short).show();                 system.exit(0);                  finish();             }         });         // attention: auto-generated implement app indexing api.         // see https://g.co/appindexing/androidstudio more information.      }      private void hightime() {         if (highsco == 0) {             hight.setvisibility(view.invisible);         } else {             hight.settext("your highscore : " + highsco + "");             if (mgoogleapiclient.isconnected()) {                 games.leaderboards.submitscore(mgoogleapiclient, getstring(r.string.leaderboard_color_score), highsco);             }             else{                 toast.maketext(mainactivity.this,"please sign in ensure leaderboards updates", toast.length_short).show();             }         }      }      @override     public void onbackpressed() {         if (n == 0) {             toast.maketext(mainactivity.this, "press again exit", toast.length_short).show();             n = n + 1;         } else {             toast.maketext(mainactivity.this, "hasta la vista baby", toast.length_short).show();             system.exit(0);              finish();         }      }      private void gotolink() {         uri uri = uri.parse("https://play.google.com/store/apps/details?id=cs.paidversion.arcade.game.colorbang");         intent intent = new intent(intent.action_view, uri);         startactivity(intent);     }      @override     protected void onstop() {         super.onstop();         mgoogleapiclient.disconnect();     }      @override     protected void onstart() {         super.onstart();         if (!minsigninflow && !mexplicitsignout) {             // auto sign in             mgoogleapiclient.connect();         }      }      @override     public void onconnected(@nullable bundle bundle) {         findviewbyid(r.id.sign_in_button).setvisibility(view.gone);         googlesignout.setvisibility(view.visible);         if(highsco!=0){             if (mgoogleapiclient.isconnected()) {                 games.leaderboards.submitscore(mgoogleapiclient, getstring(r.string.leaderboard_color_score), highsco);             }         }     }      @override     public void onconnectionsuspended(int i) { // attempt reconnect         mgoogleapiclient.connect();     }     protected void onactivityresult(int requestcode, int resultcode,                                     intent intent) {         if (requestcode == rc_sign_in) {             msigninclicked = false;             mresolvingconnectionfailure = false;             if (resultcode == result_ok) {                 mgoogleapiclient.connect();             } else {                 // bring error dialog alert user sign-in                 // failed. r.string.signin_failure should reference error                 // string in strings.xml file tells user                 // not signed in, such "unable sign in."                 basegameutils.showactivityresulterror(this,                         requestcode, resultcode, r.string.signin_failure);             }         }     }     private void signinclicked() {         msigninclicked = true;         mgoogleapiclient.connect();     }     private void signoutclicked() {         msigninclicked = false;         mexplicitsignout = true;         if (mgoogleapiclient != null && mgoogleapiclient.isconnected()) {             games.signout(mgoogleapiclient);             mgoogleapiclient.disconnect();         }      }     @override     public void onconnectionfailed(@nonnull connectionresult connectionresult) {         if (mresolvingconnectionfailure) {             // resolving             return;         }          // if sign-in button clicked or if auto sign-in enabled,         // launch sign-in flow         if (msigninclicked || mautostartsigninflow) {             mautostartsigninflow = false;             msigninclicked = false;             mresolvingconnectionfailure = true;              // attempt resolve connection failure using basegameutils.             // r.string.signin_other_error value should reference generic             // error string in strings.xml file, such "there             // issue sign-in, please try again later."             if (!basegameutils.resolveconnectionfailure(this,                     mgoogleapiclient, connectionresult,                     rc_sign_in, r.string.signin_other_error)) {                 mresolvingconnectionfailure = false;             }         }          findviewbyid(r.id.sign_in_button).setvisibility(view.visible);         googlesignout.setvisibility(view.invisible);     }      @override     public void onclick(view v) {         if (v.getid() == r.id.sign_in_button) {              signinclicked();         }         else if (v.getid() == r.id.full_version) {             gotolink();         }     }     } 

activity_main.xml

<?xml version="1.0" encoding="utf-8"?> <relativelayout xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:tools="http://schemas.android.com/tools"     android:id="@+id/activity_main"     android:layout_width="match_parent"     android:layout_height="match_parent"      tools:context="cs.puzzle.game.paid.colorbangv2.mainactivity"     android:background="@drawable/mainback">       <button         android:text="play"         android:layout_width="260dp"         android:gravity="center"         android:textsize="20sp"         android:layout_height="50dp"         android:layout_alignparenttop="true"         android:background="@drawable/blackbutton"         android:layout_centerhorizontal="true"         android:layout_margintop="240dp"         android:id="@+id/bplay" />     <button         android:text="instructions"         android:layout_width="260dp"         android:gravity="center"         android:textsize="20sp"         android:layout_height="50dp"         android:layout_below="@id/bplay"         android:layout_margintop="20dp"         android:background="@drawable/blackbutton"         android:layout_centerhorizontal="true"         android:id="@+id/binstructions" />     <button         android:text="leaderboards"         android:layout_width="260dp"         android:gravity="center"         android:textsize="20sp"         android:layout_height="50dp"         android:layout_below="@id/binstructions"         android:layout_margintop="20dp"         android:background="@drawable/blackbutton"         android:layout_centerhorizontal="true"         android:id="@+id/bhighscore" />     <button         android:text="exit"         android:layout_width="260dp"          android:gravity="center"         android:textsize="20sp"         android:layout_height="50dp"         android:layout_below="@id/bhighscore"         android:layout_margintop="20dp"         android:background="@drawable/blackbutton"         android:layout_centerhorizontal="true"         android:id="@+id/bexit" />      <textview         android:text="your highscore : xx"         android:textsize="15sp"         android:textcolor="@color/black"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:layout_alignparenttop="true"         android:layout_centerhorizontal="true"         android:layout_margintop="75dp"         android:id="@+id/tvhighscoreindicator" />      <button         android:text="sign out"         android:gravity="center"          android:textsize="10sp"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:layout_alignparenttop="true"         android:layout_alignparentend="true"         android:background="@drawable/blackbutton"         android:drawableleft="@drawable/ic_action_name"          android:visibility="gone"         android:id="@+id/sign_out_button" />     <com.google.android.gms.common.signinbutton         android:id="@+id/sign_in_button"         android:layout_width="wrap_content"         android:layout_height="wrap_content" />     <button         android:text="get full version"         android:gravity="center"         android:padding="10dp"         android:textsize="12sp"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:layout_centerhorizontal="true"         android:background="@drawable/blackbutton"         android:id="@+id/full_version" /> </relativelayout> 

crash report play store

java.lang.runtimeexception:     @ android.app.activitythread.performlaunchactivity (activitythread.java:2423)    @ android.app.activitythread.handlelaunchactivity (activitythread.java:2483)    @ android.app.activitythread.access$900 (activitythread.java:153)    @ android.app.activitythread$h.handlemessage (activitythread.java:1349)    @ android.os.handler.dispatchmessage (handler.java:102)    @ android.os.looper.loop (looper.java:148)    @ android.app.activitythread.main (activitythread.java:5438)    @ java.lang.reflect.method.invoke (native method)    @ com.android.internal.os.zygoteinit$methodandargscaller.run (zygoteinit.java:738)    @ com.android.internal.os.zygoteinit.main (zygoteinit.java:628) caused by: android.view.inflateexception:     @ android.view.layoutinflater.inflate (layoutinflater.java:543)    @ android.view.layoutinflater.inflate (layoutinflater.java:427)    @ android.view.layoutinflater.inflate (layoutinflater.java:374)    @ com.android.internal.policy.phonewindow.setcontentview (phonewindow.java:393)    @ android.app.activity.setcontentview (activity.java:2183)    @ cs.puzzle.game.paid.colorbangv2.mainactivity.oncreate (mainactivity.java:62)    @ android.app.activity.performcreate (activity.java:6303)    @ android.app.instrumentation.callactivityoncreate (instrumentation.java:1108)    @ android.app.activitythread.performlaunchactivity (activitythread.java:2376)