- Trending Categories
Data Structure
Networking
RDBMS
Operating System
Java
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
How to use contains () in Android text view?
This example demonstrate about How to use contains () in Android text view.
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 compare with tutorialspoint string.
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) { text.setText(String.valueOf(name.getText().toString().contains("tutorialspoint"))); } } 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 tutorialspoint is best website and it returned true because it contained tutorialspoint string. Now enter other string without tutorialspoint it gives the result as false as shown below −
Click here to download the project code
- Related Articles
- How to use concept () in Android text view?
- How to use View Stub in android?
- How to use contains() in android CopyOnWriteArrayList?
- How to use contains() in android CopyOnWriteArraySet?
- How to use contains() in android LinkedBlockingDeque?
- How to use contains() in android PriorityBlockingQueue?
- How to use Gravity View for Android
- How to use search functionality in custom list view in Android?
- How to use the Text Watcher class in Android?
- How to use Android TEXT TO SPEAK from Singleton?
- How to set the part of the Android text view as clickable in Kotlin?
- How can I use Marquee text in an android app?
- How to Set opacity for View in Android?
- How to display custom view in ActionBar in Android?
- How to set Adapter to Auto Complete Text view?
