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How to use split () in Android textview?
This example demonstrate about How to use split () in Android textview.
Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.
Step 2 − Add the following code to res/layout/activity_main.xml.
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:gravity="center" tools:context=".MainActivity"> <EditText android:id="@+id/name" android:layout_width="match_parent" android:hint="Enter name" android:layout_height="wrap_content" /> <Button android:id="@+id/click" android:text="Click" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <TextView android:id="@+id/textview" android:layout_width="wrap_content" android:textSize="25sp" android:layout_height="wrap_content" /> </LinearLayout>
In the above code, we have taken name as Edit text, when user click on button it will take data and split the data using space regex.
Step 3 − Add the following code to src/MainActivity.java
package com.example.myapplication;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
public class MainActivity extends AppCompatActivity {
EditText name;
Button button;
TextView text;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
name = findViewById(R.id.name);
button = findViewById(R.id.click);
text = findViewById(R.id.textview);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (!name.getText().toString().isEmpty()) {
if (name.getText().toString().length() >= 0) {
String[] replace = name.getText().toString().split("\s");
text.setText(String.valueOf(replace[1]));
}
} else {
name.setError("Plz enter name");
}
}
});
}
}Let's try to run your application. I assume you have connected your actual Android Mobile device with your computer. To run the app from android studio, open one of your project's activity files and click Run 
icon from the toolbar. Select your mobile device as an option and then check your mobile device which will display your default screen −
In the above result, enter the string as “Krishna sai sai” . It splited with space and returned 1st indexed value.
Click here to download the project code
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