How to Create Floating Action Button In Android Studio ?

How to Create Floating Action Button In Android Studio ?

To create Floating Action Button  in Android Studio follow the Steps that are mentioned below :-

First Click on File  > GO TO Project Structure > GO TO dependencies  > GO TO app and then search  design dependency and Click on Apply or Ok. 

OUTPUT

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout 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"

    tools:context=".MainActivity">

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="Floating Action Button"

        android:textSize="40sp"

        android:layout_centerInParent="true"

        android:layout_margin="5dp"

        />

    <android.support.design.widget.FloatingActionButton

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:src="@drawable/ic_add_black_24dp"

        android:layout_alignParentBottom="true"

        android:layout_alignParentRight="true"

        android:layout_margin="10dp"

        />

</RelativeLayout>

MainActivity.java

public class MainActivity extends AppCompatActivity {

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

    }

}

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.example.blogbutton">

    <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>