dynamically generate the button using android native

Dynamically generate the button using Button Click Event

MainActivity:


package com.example.dynamiccreation;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.ScrollView;

public class MainActivity extends Activity {
    Context context;
    ScrollView scrollView;
    LinearLayout container;
    LinearLayout layout;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        context = this;
        setContentView(R.layout.activity_main);
         layout = (LinearLayout) findViewById(R.id.LinearAdd);


    }

    public void addButton(View view) {
        Button button  = new Button(MainActivity.this);
        LayoutParams lp = new LayoutParams(LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT );
        button.setLayoutParams(lp);
        button.setText("ADDED");
        layout.addView(button);
    }



    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

   
}



activity_main.xml
 

<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"
    tools:context=".MainActivity" >

    <LinearLayout
        android:id="@+id/LinearAdd"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="70"
        android:orientation="vertical" >

        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:onClick="addButton"
            android:text="click to add" />
    </LinearLayout>

</LinearLayout>




Result :