getContentResolver()

public abstract class ContentResolver
extends Object

java.lang.Object
   ↳	android.content.ContentResolver

Android Application

• Activity
• Service
• Broadcast Receiver
• Content Provider :
  Application사이의 정보를 공유하는 역할입니다. Content Provider가 각종 설정값이나 DB에 접근하게 도와준다면, 그 결과를 반환하는 역할은 Content Resolver가 진행합니다.
  

getContentResolver()

• abstract ContentResolver getContentResolver()
  Return a ContentResolver instance for your application's package.

// e.g.
Uri channelUri = mContext.getContentResolver().insert(Utils.getUri(mContext), values);

Reference)

https://developer.android.com/reference/android/content/ContentResolver