DOCUMENTATION

For use this only need add two permission to the AndroidManifest.xml

<uses-permission android:name="android.permission.WRITE_CONTACTS" />
<uses-permission android:name="android.permission.READ_CONTACTS" />

openChatWithPhone: This method open a chat with a added contact.

Example: openChatWithPhone(Activity.this, phoneNumber);

shareTextWithContact: This method share text with a added contact.

Example: shareTextWithContact(Activity.this, shareText);

shareMediaWithContact: This method share media with a added contact.

Example: shareMediaWithContact(Activity.this, uriMedia, IMAGE_TYPE); 
Example: shareMediaWithContact(Activity.this, uriMedia, AUDIO_TYPE); 
Example: shareMediaWithContact(Activity.this, uriMedia, VIDEO_TYPE);

isInstalled: This method determines if Whatssap are installed.

Example: isInstalled(Activity.this);

launchMarket: This method go to Market.

Example: launchMarket(Activity.this);

createPhoneNumber: This method create a contact

Example: createPhoneNumber(Activity.this, displayName, mobileNumber, email);

existPhoneNumber: This method determines if a mobileNumber is a contact.

Example: existPhoneNumber(Activity.this, String phoneNumber);