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a guest Mar 13th, 2018 42 Never
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  1. package com.example.android.justjava
  2.  
  3.  
  4. import android.os.Bundle
  5. import android.support.v7.app.AppCompatActivity
  6. import android.view.View
  7. import android.widget.TextView
  8. import java.text.NumberFormat
  9.  
  10. class MainActivity : AppCompatActivity() {
  11.  
  12.     override fun onCreate(savedInstanceState: Bundle?) {
  13.         super.onCreate(savedInstanceState)
  14.         setContentView(R.layout.activity_main)
  15.     }
  16.  
  17.         fun submitOrder(view: View) {
  18.         int numberOfCoffees 2
  19.         display(numberOfCoffees)
  20.         displayPrice(numberOfCoffees * 5)
  21.     }
  22.  
  23.  
  24.     fun display(number: Int) {
  25.         val quantityTextView = findViewById<View>(R.id.quantity_text_view) as TextView
  26.         quantityTextView.text = ("" + number)
  27.     }
  28.  
  29.  
  30.     private fun displayPrice(number: Int) {
  31.         val priceTextView = findViewById<View>(R.id.price_text_view) as TextView
  32.         priceTextView.setText(NumberFormat.getCurrencyInstance().format(number))
  33.     }
  34. }
  35. Выдаёт ошибки
  36. Error:(32, 9) Unresolved reference: int
  37. Error:(33, 17) Unresolved reference: numberOfCoffees
  38. Error:(34, 22) Unresolved reference: numberOfCoffees
  39. Error:Execution failed for task ':app:compileDebugKotlin'.
  40. > Compilation error. See log for more details
  41. Information:BUILD FAILED in 1s
  42. Information:4 errors
  43. Information:0 warnings
  44. Information:See complete output in console
  45. Вот в этом тексте, не знаю как задать переменную правильно.
  46. "fun submitOrder(view: View) {
  47.         int numberOfCoffees 2
  48.         display(numberOfCoffees)
  49.         displayPrice(numberOfCoffees * 5)"
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