Tukukkk

i am new to android,i want to create a list with recyclerview.
i have recycler view in my code and when i run it give me force close,
and i know my problem is on set adapter -> RecyclerviewAdapter
because when i comment recyclerview.setAdapter(mAdapte);
my app work fine

code of Market.class :

public class Market extends AppCompatActivity {





@Override

protected void onCreate(Bundle savedInstanceState) {

    super.onCreate(savedInstanceState);

    setContentView(R.layout.activity_market);





    // 1. get a reference to recyclerView

    RecyclerView recyclerView = (RecyclerView) findViewById(R.id.RView);



    // this is data fro recycler view

    RecyclerViewDataObject  items = {

            new RecyclerViewDataObject( "John Weak" , "Goalkeeper" , 99 , 990 ),

            new RecyclerViewDataObject( "Mamad Seyed" , "Backward" , 35 , 350 ),

            new RecyclerViewDataObject( "Mostafa Barimani" , "Forward" , 65 , 650 ),

            new RecyclerViewDataObject( "Reza Dahmarde" , "Backward" , 70 , 700 ),

            new RecyclerViewDataObject( "Sina Ashrafpour" , "Forward" , 85 , 850 )

    };



    recyclerView.setHasFixedSize(true);

    // 2. set layoutManger

    recyclerView.setLayoutManager(new LinearLayoutManager(Market.this));

    // 3. create an adapter

    RecyclerViewAdapter mAdapter = new RecyclerViewAdapter(items);

    // 4. set adapter

    recyclerView.setAdapter(mAdapter);

    // 5. set item animator to DefaultAnimator

    recyclerView.setItemAnimator(new DefaultItemAnimator());







}

}

code of RecyclerViewAdapter.class :

public class RecyclerViewAdapter extends RecyclerView.Adapter<RecyclerViewAdapter.ViewHolder> {







private RecyclerViewDataObject  items;





public RecyclerViewAdapter(RecyclerViewDataObject  dataObjects){

    this.items = dataObjects;

}



@Override

public RecyclerViewAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {

    View itemLayoutView = LayoutInflater.from(parent.getContext())

            .inflate(R.layout.recycler_view_item, null);



    ViewHolder viewHolder = new ViewHolder(itemLayoutView);

    return viewHolder;

}





@Override

public void onBindViewHolder(RecyclerViewAdapter.ViewHolder holder, int position) {



    holder.name.setText(items[position].getName());

    holder.post.setText(items[position].getPost());

    holder.rank.setText(items[position].getRank());

    holder.value.setText(items[position].getValue());



}







public static class ViewHolder extends RecyclerView.ViewHolder {



    public TextView name;

    public TextView rank;

    public TextView post;

    public TextView value;



    public ViewHolder(View itemLayoutView) {



        super(itemLayoutView);

        name = (TextView) itemLayoutView.findViewById(R.id.txt_name1);

        post = (TextView) itemLayoutView.findViewById(R.id.txt_post1);

        rank = (TextView) itemLayoutView.findViewById(R.id.txt_rank1);

        value = (TextView) itemLayoutView.findViewById(R.id.txt_value1);



    }

}





@Override

public int getItemCount() {

    return items.length;

}

}

Logcat :

11-15 11:26:24.114 12175-12175/? E/AndroidRuntime: FATAL EXCEPTION: main

                                               Process: com.kikojas, PID: 12175

                                               java.lang.RuntimeException: Unable to start activity ComponentInfo{com.kikojas/com.kikojas.app.MainActivity}: android.view.InflateException: Binary XML file line #0: Error inflating class com.cedarstudios.cedarmapssdk.MapView

                                                   at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2379)

                                                   at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2442)

                                                   at android.app.ActivityThread.access$800(ActivityThread.java:156)

                                                   at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1351)

                                                   at android.os.Handler.dispatchMessage(Handler.java:102)

                                                   at android.os.Looper.loop(Looper.java:211)

                                                   at android.app.ActivityThread.main(ActivityThread.java:5389)

                                                   at java.lang.reflect.Method.invoke(Native Method)

                                                   at java.lang.reflect.Method.invoke(Method.java:372)

                                                   at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1020)

                                                   at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:815)

                                                Caused by: android.view.InflateException: Binary XML file line #0: Error inflating class com.cedarstudios.cedarmapssdk.MapView

                                                   at android.view.LayoutInflater.createView(LayoutInflater.java:633)

                                                   at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:743)

                                                   at android.view.LayoutInflater.rInflate(LayoutInflater.java:806)

                                                   at android.view.LayoutInflater.rInflate(LayoutInflater.java:809)

       . . .

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if any body knows problem i am so interested to know that