How to display Toast in Android?

This example demonstrates how to display Toast in Android.

Step 1 − Create a new project in Android Studio, go to File rArr; 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"?>
<android.support.constraint.ConstraintLayout 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"
   tools:context=".MainActivity">
   <TextView
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:text="Hello World!"
      app:layout_constraintBottom_toBottomOf="parent"
      app:layout_constraintLeft_toLeftOf="parent"
      app:layout_constraintRight_toRightOf="parent"
      app:layout_constraintTop_toTopOf="parent" />
</android.support.constraint.ConstraintLayout>

Step 3 − Add the following code to src/MainActivity.java

package com.example.sample;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
   @Override
   protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);
      //Displaying Toast with Hello World message
      Toast.makeText(getApplicationContext(),"Hello World",Toast.LENGTH_SHORT).show();
   }
}

Step 4 − Add the following code to Manifests/AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.sample">
   <application
      android:allowBackup="true"
      android:icon="@mipmap/ic_launcher"
      android:label="@string/app_name"
      android:roundIcon="@mipmap/ic_launcher_round"
      android:supportsRtl="true"
      android:theme="@style/AppTheme">
      <activity android:name=".MainActivity">
         <intent-filter>
            <action android:name="android.intent.action.MAIN" />
            <category android:name="android.intent.category.LAUNCHER" />
         </intent-filter>
      </activity>
   </application>
</manifest>

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 −

Click here to download the project code

Azhar

Published on 30-Aug-2019 10:14:57

• Related Questions & Answers
• How to display toast messages from a thread in Android?
• How to change position of Toast in Android?
• How can I display Toast messages from a thread in Android using Kotlin?
• How to set Android Toast duration longer than Toast.LENGTH_LONG?
• how can I design custom toast message in Android?
• How to set Android Toast duration longer than Toast.LENGTH_LONG using Kotlin?
• Can an Android Toast be longer than Toast.LENGTH_LONG?
• How to display multiple notifications in android?
• How to display HTML in TextView in Android?
• How to display animated gif images in Android?
• How to display custom view in ActionBar in Android?
• How to display count of notifications in Android App?
• Create Toast Message in Java Swing
• How to create a snackbar / toast with CSS and JavaScript?
• How to display a listView in an android alert dialog?