Code Layout Example in Android Programming

This example shows how you can create your own layout through code instead of xml.

Algorithm:

1.) Create a new project by File-> New -> Android Project name it CodeLayoutExample.

2.) Run for output.

Steps:

1.) Create a project named CodeLayoutExample and set the information as stated in the image.

Build Target: Android 4.0
Application Name: CodeLayoutExample
Package Name: com. example. CodeLayoutExample
Activity Name: CodeLayoutExample
Min SDK Version: 11

2.) Open CodeLayoutExample.java file and write following code there:

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package com.example.codelayoutexample;   import android.app.ActionBar.LayoutParams; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.LinearLayout; import android.widget.TextView; import android.widget.Toast;   public class CodeLayoutExample extends Activity {     /** Called when the activity is first created. */     @Override     public void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         LayoutParams params1 = new LayoutParams(LayoutParams.MATCH_PARENT,LayoutParams.WRAP_CONTENT);           TextView text = new TextView(this);         text.setText("I am TextView");         text.setLayoutParams(params1);         EditText edit = new EditText(this);         edit.setHint("This is EditView....");         edit.setLayoutParams(params1);         Button button = new Button(this);         button.setText("Click me");         button.setOnClickListener(new OnClickListener() {             @Override             public void onClick(View v) {                 Toast makeText = Toast.makeText(v.getContext(), "Clicked", Toast.LENGTH_SHORT);                 makeText.show();             }         });         LinearLayout layout = new LinearLayout(this);         layout.setOrientation(LinearLayout.VERTICAL);         layout.setPadding(10, 10, 10, 10);         layout.addView(text);         layout.addView(edit);         layout.addView(button);         setContentView(layout);     } }

3.) Compile and build the project.

Output