Helps You to Grant Runtime Permission on Android Marshmallow and Above

allprojects {
    repositories {
        maven { url 'https://jitpack.io' }
    }
}

dependencies {
	  implementation 'com.github.IamIsPra:Sheriff:$sheriffVersion'
	}

<repositories>
	<repository>
		<id>jitpack.io</id>
		<url>https://jitpack.io</url>
	</repository>
</repositories>

<dependency>
	<groupId>com.github.IamIsPra</groupId>
	<artifactId>Sheriff</artifactId>
	<version>1.0.0</version>
</dependency>

       Sheriff sheriffPermission = Sheriff.Builder()
                .with(this)
                .requestCode(REQUEST_SINGLE_PERMISSION)
                .setPermissionResultCallback(this)
                .askFor(SheriffPermission.CONTACTS)
                .build();

sheriffPermission.requestPermissions();

@Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        sheriffPermission.onRequestPermissionsResult(requestCode, permissions, grantResults);
    }