i have create an api for android but data is going blanck in database and giving “Undefined index” this error [closed]

Notice: Undefined index: user in /home/u441639663/domains/youreasyservice.com/public_html/valid/android_api/test.php on line 7

Notice: Undefined index: pass in /home/u441639663/domains/youreasyservice.com/public_html/valid/android_api/test.php on line 8