Horse

package com.example.android.horserace;

import android.content.Context;
import android.content.Intent;
import android.os.Build;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.SeekBar;
import android.widget.TextView;
import android.widget.Toast;

public class Race extends AppCompatActivity {
    Context context;
    LinearLayout layout;
    Button start;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.race);
        setPointer();
    }

    private void setPointer() {
        this.context = this;
        start=findViewById(R.id.start);
        layout = findViewById(R.id.layoutHorses);
        Intent intent = getIntent();
        int horses = intent.getIntExtra("Horses", 1);

        for (int i = 1; i <= horses; i += 1) {
            LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
                    LinearLayout.LayoutParams.MATCH_PARENT,
                    LinearLayout.LayoutParams.WRAP_CONTENT);

            params.setMargins(10, 50, 10, 10);
            final SeekBar seekBar = new SeekBar(context);
            seekBar.setLayoutParams(params);
            seekBar.setId(1000 + i);
            layout.addView(seekBar);





        }
//findViewById(getT)
        //Thread thread = new Thread(new Horse((SeekBar) findViewById(1001)));


 //       thread.start();

    }


}



<LinearLayout android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    xmlns:android="http://schemas.android.com/apk/res/android" >


    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/layoutHorses"
        android:orientation="vertical"
        android:gravity="center_vertical"
    />

<Button
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="START"
    android:id="@+id/start"/>

</LinearLayout>