Convert Normal written text to upper case on button click in android TextView using setAllCaps(true) function.

With the use of setAllCaps() function application developer can dynamically change normal upper + small text into only capital words. SO here is the complete step by step tutorial for Capitalize all textview text programmatically android.

How to Capitalize all textview text programmatically android.

Code for MainActivity.java file.

package com.textviewuppercase_android_examples.com;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;


public class MainActivity extends Activity {

 Button UpperCase;
 TextView Ntext;
 @Override
 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);
 
 UpperCase = (Button)findViewById(R.id.button1);
 Ntext = (TextView)findViewById(R.id.textView1);
 
 UpperCase.setOnClickListener(new View.OnClickListener() {
 
 @Override
 public void onClick(View v) {
 
 Ntext.setAllCaps(true);
 
 }
 });
 
 }
}

Code for activity_main.xml layout file.

 <RelativeLayout 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:paddingBottom="@dimen/activity_vertical_margin"
 android:paddingLeft="@dimen/activity_horizontal_margin"
 android:paddingRight="@dimen/activity_horizontal_margin"
 android:paddingTop="@dimen/activity_vertical_margin"
 tools:context="com.textviewuppercase_android_examples.com.MainActivity" >

 <TextView
 android:id="@+id/textView1"
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_centerHorizontal="true"
 android:layout_centerVertical="true"
 android:text="Sample Text on TextView"
 android:textAppearance="?android:attr/textAppearanceLarge" />

 <Button
 android:id="@+id/button1"
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_below="@+id/textView1"
 android:layout_centerHorizontal="true"
 android:layout_marginTop="17dp"
 android:text="Click Here to Capitalize textview text programmatically android" />
 
</RelativeLayout>

Screenshot: