Creating ScrollView, Layout, Textview , EditText, Button and CheckBox without using XML file

Dynamic Layouts in Android:

No xml file in this post. we can create everything using Java code except AndroidManifest.xml file. This way of creating Layout  is good comparing to xml file.

Program:

package com.solomon.imagewhex1;

import android.os.Bundle;

import android.app.Activity;

import android.view.Menu;

import android.widget.Button;

import android.widget.CheckBox;

import android.widget.EditText;

import android.widget.LinearLayout;

import android.widget.ScrollView;

import android.widget.TextView;

public class MainActivity extends Activity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

ScrollView sv = new ScrollView(this); // creating a ScrollView 

LinearLayout ll = new LinearLayout(this);//creating a LinearLayout

ll.setOrientation(LinearLayout.VERTICAL);// setting LinearLayout as Vertical                                                                                                             orientation

sv.addView(ll);// setting view to scrollview

TextView tv1 = new TextView(this);// creating Textview

tv1.setText("Dynamic TextView");// Setting text to Textview

ll.addView(tv1);

EditText ed1 = new EditText(this);// creating EditText

ed1.setText("Dynamic EditText");

ll.addView(ed1);

Button b1 = new Button(this);//creating Button

b1.setText("Dynamic Buttton");//setting Text to Button

ll.addView(b1);

for(int i=0; i<20; i++){

                 //For every iteration creating a Checkbox and setting text for that Checkbox

CheckBox cb = new CheckBox(this);

cb.setText("Dynamic CheckBox");

ll.addView(cb);

}

this.setContentView(sv);// Finally adding every view to our Activity

}

}

Output: