Show Snackbar On Button Click Android Studio

In this tutorial we will display a snackbar on Button click. To display snack kafe we have to include design library into build.gradle(app).

Step 1: Create a new project OR Open your project

Step 2: Add design library in build.gradle(Module: app) in dependencies section.

apply plugin: 'com.android.application'android {compileSdkVersion 27defaultConfig {applicationId "com.blogspot.devofandroid.myapplication"minSdkVersion 16targetSdkVersion 27versionCode 1versionName "1.0"testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"}buildTypes {release {minifyEnabled falseproguardFiles getDefaultProguardFile('proguard-android.txt') , 'proguard-rules.pro'}}}dependencies {implementation fileTree(dir: 'libs' , include: ['*.jar'])implementation 'com.android.support:appcompat-v7:27.0.2'implementation 'com.android.support.constraint:constraint-layout:1.0.2'testImplementation 'junit:junit:4.12'androidTestImplementation 'com.android.support.test:runner:1.0.1'androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'//add this design libraryimplementation 'com.android.support:design:27.0.2'}

Step 3: Snackbar code

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:gravity="center"android:id="@+id/linLayout"tools:context=".MainActivity"><Buttonandroid:id="@+id/showsnackbarbtn"android:text="Show Snackbar"android:layout_width="wrap_content"android:layout_height="wrap_content" /></LinearLayout>

MainActivity.java

package com.blogspot.devofandroid.myapplication;import android.os.Bundle;import android.support.design.widget.Snackbar;import android.support.v7.app.AppCompatActivity;import android.view.View;import android.widget.Button;import android.widget.LinearLayout;public class MainActivity extends AppCompatActivity {Button showSnackbarBtn;LinearLayout linearLayout;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);linearLayout = (LinearLayout)findViewById(R.id.linLayout);showSnackbarBtn = findViewById(R.id.showsnackbarbtn);showSnackbarBtn.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View view) {Snackbar.make(linearLayout ,"This is Snackbar..." , Snackbar.LENGTH_SHORT).show();}});}}

Note: in the following code

LinearLayout linearLayout = (LinearLayout)findViewById(R.id.linLayout);Snackbar.make(linearLayout ,"This is Snackbar..." , Snackbar.LENGTH_SHORT).show();

linearlayout: This is the root layout of activity
This is Snackbar...:  This is message to appear on snackbar , you can customize it.
Snackbar.LENGTH_SHORT: This is the last parameter which is the limit how long the snackbar will be displayed. Possible values are: Snackbar.LENGTH_SHORT , Snackbar.LENGTH_LONG , Snackbar.LENGTH_INDEFINITE
show(): this method is used to display the toast.

Step 4: Run the project:

Output: