Create custom notification in android using fcm

Create custom notification in andoid using fcm

Create custom nofication code

function sendPushNotification($pushMessage){

$gcm_regid = "define GCM ID";

if($gcm_regid != ""){


// Custom Nofification


$icon_image = "front/images/example.png";



$fields = array (
/*'notification' =>
array (
'title' => 'title',
'body' => $pushMessage,
'icon' => $icon_image,
'sound' => 'default',

//'click_action' => $main_url,
),*/
'data' => array("title"=>(string)"title",
"message"=>(string)$pushMessage,
//"is_background"=>false,
"image"=> (string)$icon_image,
"timestamp"=> (string)date("Y-m-d G:i"),

),
"to" => $gcm_regid,
);

$gcm_api_key =  "Google Api Key";


$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, "https://fcm.googleapis.com/fcm/send");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($fields));
curl_setopt($ch, CURLOPT_POST, 1);

$headers = array();
$headers[] = "Authorization: key=".$gcm_api_key;
$headers[] = "Content-Type: application/json";
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

$result = curl_exec($ch);
if (curl_errno($ch)) {
//echo 'Error:' . curl_error($ch);
}
curl_close ($ch);
}


}

call the function 

sendPushNotification("your push  notification")

 this example for normal push notification

function sendPushNotification($pushMessage){

$gcm_regid = "define GCM ID";

if($gcm_regid != ""){


// Custom Nofification


$icon_image = "front/images/example.png";



$fields = array (
'notification' =>
array (
'title' => 'title',
'body' => $pushMessage,
'icon' => $icon_image,
'sound' => 'default',

//'click_action' => $main_url,
),
/*'data' => array("title"=>(string)"title",
"message"=>(string)$pushMessage,
//"is_background"=>false,
"image"=> (string)$icon_image,
"timestamp"=> (string)date("Y-m-d G:i"),

),*/
"to" => $gcm_regid,
);

$gcm_api_key =  "Google Api Key";


$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, "https://fcm.googleapis.com/fcm/send");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($fields));
curl_setopt($ch, CURLOPT_POST, 1);

$headers = array();
$headers[] = "Authorization: key=".$gcm_api_key;
$headers[] = "Content-Type: application/json";
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

$result = curl_exec($ch);
if (curl_errno($ch)) {
//echo 'Error:' . curl_error($ch);
}
curl_close ($ch);
}


} 

call the function 

sendPushNotification("your push  notification")