Не запускается следующее активити? [требует правки]

Здравствуйте. У меня не запускается следующее активити. Проблема не в ID элементов. 3аранее спасибо.

Вот ошибка: E/AndroidRuntime: FATAL EXCEPTION: main Process: kz.yensanova.logika_alemi, PID: 1510 java.lang.OutOfMemoryError at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method) at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:587) at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:422) at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:840) at android.content.res.Resources.loadDrawable(Resources.java:2115) at android.content.res.TypedArray.getDrawable(TypedArray.java:602) at android.view.View.(View.java:3554) at android.widget.ImageView.(ImageView.java:123) at android.widget.ImageButton.(ImageButton.java:87) at android.support.v7.widget.AppCompatImageButton.(AppCompatImageButton.java:60) at android.support.v7.widget.AppCompatImageButton.(AppCompatImageButton.java:56) at android.support.v7.app.AppCompatViewInflater.createView(AppCompatViewInflater.java:118) at android.support.v7.app.AppCompatDelegateImplV9.createView(AppCompatDelegateImplV9.java:1021) at android.support.v7.app.AppCompatDelegateImplV9.onCreateView(AppCompatDelegateImplV9.java:1080) at android.support.v4.view.LayoutInflaterCompatHC$FactoryWrapperHC.onCreateView(LayoutInflaterCompatHC.java:47) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:685) at android.view.LayoutInflater.rInflate(LayoutInflater.java:756) at android.view.LayoutInflater.inflate(LayoutInflater.java:492) at android.view.LayoutInflater.inflate(LayoutInflater.java:397) at android.view.LayoutInflater.inflate(LayoutInflater.java:353) at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:288) at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140) at kz.yensanova.logika_alemi.ActivityKaz2.onCreate(ActivityKaz2.java:17) at android.app.Activity.performCreate(Activity.java:5231) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245) at android.app.ActivityThread.access$800(ActivityThread.java:135) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:136) at android.app.ActivityThread.main(ActivityThread.java:5017) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:515) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595) at dalvik.system.NativeStart.main(Native Method) I/Process: Sending signal. PID: 1510 SIG: 9 Application terminated.

xml-код:

<ImageButton
    android:layout_width="60dp"
    android:layout_height="100dp"
    android:background="@drawable/samal"
    android:id="@+id/imageButton152"
    android:layout_marginRight="47dp"
    android:layout_marginEnd="47dp"
    android:layout_alignTop="@+id/imageButton155"
    android:layout_alignRight="@+id/imageButton151"
    android:layout_alignEnd="@+id/imageButton151" />
<ImageButton
    android:background="@drawable/lupa"
    android:id="@+id/imageButton155"
    android:layout_width="70dp"
    android:layout_height="85dp"
    android:layout_alignBottom="@+id/imageButton153"
    android:layout_toLeftOf="@+id/imageButton154"
    android:layout_toStartOf="@+id/imageButton154"
    android:layout_marginRight="19dp"
    android:layout_marginEnd="19dp"
    android:layout_marginBottom="23dp" />

<ImageButton
    android:background="@drawable/ertegiler"
    android:id="@+id/imageButton156"
    android:layout_width="90dp"
    android:layout_height="110dp"
    android:layout_marginLeft="39dp"
    android:layout_marginStart="39dp"
    android:layout_centerVertical="true"
    android:layout_alignLeft="@+id/imageButton155"
    android:layout_alignStart="@+id/imageButton155" />
<ImageButton
    android:layout_height="100dp"
    android:background="@drawable/fotoapparat"
    android:id="@+id/imageButton154"
    android:layout_width="90dp"
    android:layout_alignBottom="@+id/imageButton155"
    android:layout_toLeftOf="@+id/imageButton153"
    android:layout_toStartOf="@+id/imageButton153" />
<ImageButton
    android:layout_height="120dp"
    android:background="@drawable/sayakhat"
    android:id="@+id/imageButton157"
    android:layout_width="130dp"
    android:layout_marginRight="7dp"
    android:layout_marginEnd="7dp"
    android:layout_below="@+id/imageButton152"
    android:layout_toLeftOf="@+id/imageButton154"
    android:layout_toStartOf="@+id/imageButton154" />
<ImageButton
    android:background="@drawable/talap"
    android:id="@+id/imageButton153"
    android:layout_height="90dp"
    android:layout_width="90dp"
    android:layout_marginTop="58dp"
    android:layout_marginRight="20dp"
    android:layout_marginEnd="20dp"
    android:layout_alignParentTop="true"
    android:layout_toLeftOf="@+id/imageButton152"
    android:layout_toStartOf="@+id/imageButton152" />

Java-код второго активити: public class ActivityKaz2 extends AppCompatActivity { ImageButton imageButton151, imageButton152, imageButton153, imageButton154, imageButton155, imageButton156, imageButton157; MediaPlayer mediaPlayer1;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_kaz2);
    imageButton151 = (ImageButton)findViewById(R.id.imageButton151);
    imageButton152 = (ImageButton)findViewById(R.id.imageButton152);
    imageButton153 = (ImageButton)findViewById(R.id.imageButton153);
    imageButton154 = (ImageButton)findViewById(R.id.imageButton154);
    imageButton155 = (ImageButton)findViewById(R.id.imageButton155);
    imageButton156 = (ImageButton)findViewById(R.id.imageButton156);
    imageButton157 = (ImageButton)findViewById(R.id.imageButton157);
    mediaPlayer1 = MediaPlayer.create(this, R.raw.eki);
    mediaPlayer1.start();
    imageButton151.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent intent1 = new Intent(ActivityKaz2.this, Arman.class);
            startActivity(intent1);
            mediaPlayer1.stop();
        }
    });
    imageButton152.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent intent2 = new Intent(ActivityKaz2.this, Samal.class);
            startActivity(intent2);
            mediaPlayer1.stop();
        }
    });
    imageButton153.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent intent3 = new Intent(ActivityKaz2.this, Talap.class);
            startActivity(intent3);
            mediaPlayer1.stop();
        }
    });
    imageButton154.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent intent4 = new Intent(ActivityKaz2.this, Aizere.class);
            startActivity(intent4);
            mediaPlayer1.stop();
        }
    });
    imageButton155.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent intent5 = new Intent(ActivityKaz2.this, Ayan.class);
            startActivity(intent5);
            mediaPlayer1.stop();
        }
    });
    imageButton156.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent intent6 = new Intent(ActivityKaz2.this, Kiziltelpek.class);
            startActivity(intent6);
            mediaPlayer1.stop();
        }
    });
    imageButton157.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent intent7 = new Intent(ActivityKaz2.this, Sarsen.class);
            startActivity(intent7);
            mediaPlayer1.stop();
        }
    });
}

P.S: ID были правильно указаны, я просто по ошибке отправила xml-код чернового варианта.