AliAzaz

╔══════════╦═════════════════╦═══════════════╦═══════════════╗
║ Function ║ Receiver (this) ║ Argument (it) ║    Result     ║
╠══════════╬═════════════════╬═══════════════╬═══════════════╣
║ let      ║ this@MyClass    ║ String("...") ║ Int(42)       ║
║ run      ║ String("...")   ║ N\A           ║ Int(42)       ║
║ run*     ║ this@MyClass    ║ N\A           ║ Int(42)       ║
║ with*    ║ String("...")   ║ N\A           ║ Int(42)       ║
║ apply    ║ String("...")   ║ N\A           ║ String("...") ║
║ also     ║ this@MyClass    ║ String("...") ║ String("...") ║
╚══════════╩═════════════════╩═══════════════╩═══════════════╝

AliAzaz

//fldGrpSecA01: is the view group in which whole layout is defined in xml
Clear.clearAllFields(fldGrpSecA01);

AliAzaz

//Clearing edittext 
txtbox1.setText(null);
txtbox1.clearFocus();
txtbox1.setError(null);

//Clearing Radiogroup
mnc2.clearCheck()
mnc2.clearFocus();
mnc2.setError(null);

AliAzaz

//fldGrpSecA01: is the view group in which whole layout is defined in xml
Validator.emptyCheckingContainer(this, fldGrpSecA01);

AliAzaz

//Empty edittext checking
if (txtbox1.getText().toString().isEmpty()) {
     txtbox1.setError("This data is Required!");
     return false;
} else {
     txtbox1.setError(null);
}

//Equal/Pattern edittext checking
if (!txtBoxDefault.isTextEqualToPattern())

AliAzaz

fun clearCheckBoxes(container: ViewGroup, flag: Boolean? = null)

fun clearRadioGroup(view: RadioGroup, flag: Boolean? = null)

fun clearAllFields(view: View, flag: Boolean? = null)

AliAzaz

fun emptyTextBox(context: Context, txt: EditText, toggleFlag: Boolean = true): Boolean

fun emptyTextView(context: Context, txt: TextView, toggleFlag: Boolean = true): Boolean

fun emptyCustomTextBox(context: Context, txt: TextView, msg: String, toggleFlag: Boolean = true): Boolean

fun emptyEditTextPicker(context: Context, txt: EditText, toggleFlag: Boolean = true): Boolean

fun rangeTextBox(context: Context, txt: EditText, min: Int, max: Int, type: String, toggleFlag: Boolean = true): Boolean

AliAzaz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

AliAzaz

class MainActivity : AppCompatActivity(), MainView.UIView {

    private val CAMERA_REQUEST = 1001
    private lateinit var presenter: MainPresenter
    private lateinit var baseDialog: BaseDialogPresenter

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

AliAzaz

class MainPresenter(private val mainActivity: MainActivity) : MainView.PresenterView {

    private var permissionFlag = false

    init {
        onGettingPermission()
    }

    override fun grantPermission(): Boolean {
        return permissionFlag