我目前正在做一个外卖应用程序。当我从食物列表中添加食物并要在cart.java进行结帐时,将下订单并将请求提交到Firebase数据库,但它不会向服务器应用发送通知。但是服务器应用程序能够发送通知以通知客户端应用程序。我试图找出这些代码出了什么问题,但仍然找不到错误/错误。
Cart.java
public class Cart extends AppCompatActivity {
RecyclerView recyclerView;
RecyclerView.LayoutManager layoutManager;
FirebaseDatabase database;
DatabaseReference requests;
TextView txtTotalPrice;
FButton btnPlace;
List<Order> cart = new ArrayList<>();
CartAdapter adapter;
APIService mService;
@Override
protected void attachBaseContext(Context newBase) {
super.attachBaseContext(CalligraphyContextWrapper.wrap(newBase));
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//add calligraphy
CalligraphyConfig.initDefault(new CalligraphyConfig.Builder()
.setDefaultFontPath("fonts/restaurant_font.otf")
.setFontAttrId(R.attr.fontPath)
.build());
setContentView(R.layout.activity_cart);
//Init service
mService = Common.getFCMService();
//Firebase
database = FirebaseDatabase.getInstance();
requests = database.getReference("Requests");
//Init
recyclerView = (RecyclerView)findViewById(R.id.listCart);
recyclerView.setHasFixedSize(true);
layoutManager = new LinearLayoutManager(this);
recyclerView.setLayoutManager(layoutManager);
txtTotalPrice = (TextView)findViewById(R.id.total);
btnPlace = (FButton)findViewById(R.id.btnPlaceOrder);
btnPlace.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (cart.size() > 0)
showAlertDialog();
else
Toast.makeText(Cart.this, "Your cart is empty.", Toast.LENGTH_SHORT).show();
}
});
loadListFood();
}
private void showAlertDialog(){
AlertDialog.Builder alertDialog = new AlertDialog.Builder(Cart.this, R.style.Theme_AppCompat_Dialog_Alert);
alertDialog.setTitle("One more step!");
alertDialog.setMessage("Enter your address: ");
LayoutInflater inflater = this.getLayoutInflater();
View order_address_comment = inflater.inflate(R.layout.order_address_comment, null);
final MaterialEditText edtAddress = (MaterialEditText)order_address_comment.findViewById(R.id.edtAddress);
final MaterialEditText edtComment = (MaterialEditText)order_address_comment.findViewById(R.id.edtComment);
alertDialog.setView(order_address_comment);
alertDialog.setIcon(R.drawable.ic_shopping_cart_black_24dp);
alertDialog.setPositiveButton("YES", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
//create new request
Request request = new Request(
Common.currentUser.getPhone(),
Common.currentUser.getName(),
edtAddress.getText().toString(),
txtTotalPrice.getText().toString(),
"0",
edtComment.getText().toString(),
cart
);
//submit to firebase
String order_number = String.valueOf(System.currentTimeMillis());
requests.child(order_number).setValue(request);
//delete cart
new Database(getBaseContext()).cleanCart();
sendNotification(order_number);
}
});
alertDialog.setNegativeButton("NO", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
alertDialog.show();
}
private void sendNotification(final String order_number) {
DatabaseReference tokens = FirebaseDatabase.getInstance().getReference("Tokens");
//get all node with isServerToken is true
Query data = tokens.orderByChild("serverToken").equalTo(true);
data.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
for(DataSnapshot postSnapShot:dataSnapshot.getChildren()){
Token serverToken = postSnapShot.getValue(Token.class);
//create raw payload to send
Notification notification = new Notification("iDelivery", "You have new order " + order_number);
Sender content = new Sender(serverToken.getToken(), notification);
mService.sendNotification(content).enqueue(new Callback<MyResponse>() {
@Override
public void onResponse(Call<MyResponse> call, Response<MyResponse> response) {
//only run when get result
if (response.code() == 200) {
if (response.body().success == 1) {
Toast.makeText(Cart.this, "Thank you, Order placed.", Toast.LENGTH_SHORT).show();
finish();
} else {
Toast.makeText(Cart.this, "Failed to place order.", Toast.LENGTH_SHORT).show();
}
}
}
@Override
public void onFailure(Call<MyResponse> call, Throwable t) {
Log.e("ERROR", t.getMessage());
}
});
}
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
}
private void loadListFood() {
cart = new Database(this).getCarts();
adapter = new CartAdapter(cart,this);
adapter.notifyDataSetChanged();
recyclerView.setAdapter(adapter);
//calculation total price
float total = 0;
for(Order order:cart)
total +=(Float.parseFloat(order.getPrice()))*(Integer.parseInt(order.getQuantity()));
Locale locale = new Locale("en","MY");
java.text.NumberFormat fmt = java.text.NumberFormat.getCurrencyInstance(locale);
txtTotalPrice.setText(fmt.format(total));
}
@Override
public boolean onContextItemSelected(MenuItem item) {
if (item.getTitle().equals(Common.DELETE))
deleteCart(item.getOrder());
return true;
}
private void deleteCart(int position) {
//remove item at List<Order> by position
cart.remove(position);
//after that,delete all old data from SQLite
new Database(this).cleanCart();
//final,update new data from List<Order> to SQLite
for (Order item:cart)
new Database(this).addToCart(item);
//refresh
loadListFood();
}
}
MyFirebaseMessasing.java
public class MyFirebaseMessaging extends FirebaseMessagingService {
@Override
public void onMessageReceived(RemoteMessage remoteMessage) {
super.onMessageReceived(remoteMessage);
sendNotification(remoteMessage);
}
private void sendNotification(RemoteMessage remoteMessage) {
RemoteMessage.Notification notification = remoteMessage.getNotification();
Intent intent = new Intent(this, MainActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_ONE_SHOT);
Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
NotificationCompat.Builder builder = new NotificationCompat.Builder(this,"")
.setSmallIcon(R.mipmap.ic_launcher_round)
.setContentTitle(notification.getTitle())
.setContentText(notification.getBody())
.setAutoCancel(true)
.setSound(defaultSoundUri)
.setContentIntent(pendingIntent);
NotificationManager noti = (NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
noti.notify(0, builder.build());
}
}
答案 0 :(得分:0)
尝试添加:
Log.d(TAG, " response = "+response);
如下:
mService.sendNotification(content).enqueue(new Callback<MyResponse>() {
@Override
public void onResponse(Call<MyResponse> call, Response<MyResponse> response) {
Log.d(TAG, " response = "+response);
//only run when get result
if (response.code() == 200) {
if (response.body().success == 1) {
Toast.makeText(Cart.this, "Thank you, Order placed.", Toast.LENGTH_SHORT).show();
finish();
} else {
Toast.makeText(Cart.this, "Failed to place order.", Toast.LENGTH_SHORT).show();
}
}
}
@Override
public void onFailure(Call<MyResponse> call, Throwable t) {
Log.e("ERROR", t.getMessage());
}
});
响应如下:
{protocol=h2, code=401, message=, url=https://fcm.googleapis.com/fcm/send}
如果您收到401 HTTP状态代码,则您的服务器密钥无效。