AliAzaz

interface MainView {

    interface UIView {

        fun setTextView(analyzedText: String)

        fun setBitmapOnImageView(bitmap: Bitmap)

        fun setToast(message: String)

AliAzaz

        fun setAlertDialogView(flag: Boolean)

        fun setMessage(message: String = "Loading Image...")

        fun setTextColor(color: Int = Color.parseColor("#000000"))

        fun setTextSize(txtsize: Float = 20f)

        fun setAlertCancellable(cancel: Boolean = true)

AliAzaz

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.aliazaz.galleryapp">

    <!---permissions-->
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

    <application
        android:name=".MainApp"

AliAzaz

package com.aliazaz.galleryapp;

import android.app.Application;

import com.facebook.drawee.backends.pipeline.Fresco;

public class MainApp extends Application {

    @Override
    public void onCreate() {

AliAzaz

╔═══════════════════╦═══════════════════════════╗
║    Operations     ║    Library Functions      ║
╠═══════════════════╬═══════════════════════════╣
║ Empty edittext    ║ isEmptyTextBox()          ║
║                   ║                           ║
║ Range edittext    ║ isRangeTextValidate()     ║
║                   ║                           ║
║ Equal/Pattern     ║ isTextEqualToPattern()    ║
║ Edittext          ║                           ║
╚═══════════════════╩═══════════════════════════╝

AliAzaz

//Empty edittext checking
if (!txtBoxReq.isEmptyTextBox())
  return;

//Range edittext checking
if (!txtBoxRange.isRangeTextValidate())
  return;

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

AliAzaz

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

//Range edittext checking
if (txtbox2.getText().toString().isEmpty()) {