Set layout programmatically

This example show how to set paddings and margins programmatically with Java code.

set paddings and margins programmatically

package com.example.androidadjlayout;

import android.os.Bundle;
import android.app.Activity;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.LinearLayout.LayoutParams;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;

public class MainActivity extends Activity {
 
 LinearLayout mainLayout;
 SeekBar settingPadding, settingMargin2;
 ImageView image1, image2;

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  mainLayout = (LinearLayout)findViewById(R.id.mainlayout);
  settingPadding = (SeekBar)findViewById(R.id.setmainpadding);
  settingMargin2 = (SeekBar)findViewById(R.id.setimage2margin);
  image1 = (ImageView)findViewById(R.id.image1);
  image2 = (ImageView)findViewById(R.id.image2);
  
  settingPadding.setOnSeekBarChangeListener(new OnSeekBarChangeListener(){

   @Override
   public void onProgressChanged(SeekBar seekBar, int progress, 
     boolean fromUser) {
    mainLayout.setPadding(progress, progress, progress, progress);
   }

   @Override
   public void onStartTrackingTouch(SeekBar arg0) {
   }

   @Override
   public void onStopTrackingTouch(SeekBar arg0) {
   }});
  
  settingMargin2.setOnSeekBarChangeListener(new OnSeekBarChangeListener(){
   
   @Override
   public void onProgressChanged(SeekBar seekBar, int progress,
     boolean fromUser) {
    LinearLayout.LayoutParams layoutParams = (LayoutParams) image2.getLayoutParams();
    layoutParams.setMargins(progress, progress, progress, progress);
    image2.setLayoutParams(layoutParams);
   }

   @Override
   public void onStartTrackingTouch(SeekBar seekBar) {
   }

   @Override
   public void onStopTrackingTouch(SeekBar seekBar) {
   }});
 }

}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/mainlayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="5dp"
    android:paddingLeft="5dp"
    android:paddingRight="5dp"
    android:paddingTop="5dp"
    android:orientation="vertical"
    tools:context=".MainActivity"
    android:background="#303030" >

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="#A00000"
        android:textStyle="bold|italic"
        android:text="android-coding.blogspot.com" />
    <SeekBar 
        android:id="@+id/setmainpadding"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:max="100"
        android:progress="5"/>
    <SeekBar 
        android:id="@+id/setimage2margin"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:max="100"
        android:progress="5"/>
    <ImageView
        android:id="@+id/image1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/ic_launcher"
        android:background="#505050"/>
    <ImageView
        android:id="@+id/image2"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_margin="5dp"
        android:src="@drawable/ic_launcher"
        android:background="#808080" />

</LinearLayout>