- convert to koltin.

.gitignore

@@ -4,7 +4,3 @@
 /.idea/libraries
 /.idea/modules.xml
 /.idea/workspace.xml
-.DS_Store
-/build
-/captures
-.externalNativeBuild

app/build.gradle

@@ -37,55 +37,52 @@ dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
     implementation project(':liband')
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
-    implementation 'androidx.appcompat:appcompat:1.0.2'
+    implementation 'androidx.appcompat:appcompat:1.1.0-alpha01'
     implementation 'androidx.constraintlayout:constraintlayout:2.0.0-alpha2'
-    implementation 'androidx.room:room-runtime:2.1.0-alpha02'
-    annotationProcessor "androidx.room:room-compiler:2.1.0-alpha02"
-    testImplementation 'androidx.room:room-testing:2.1.0-alpha02'
+    implementation 'androidx.room:room-runtime:2.1.0-alpha03'
+    annotationProcessor "androidx.room:room-compiler:2.1.0-alpha03"
+    testImplementation 'androidx.room:room-testing:2.1.0-alpha03'
 
-    implementation "androidx.lifecycle:lifecycle-extensions:2.0.0"
-    implementation "androidx.lifecycle:lifecycle-common-java8:2.0.0"
-    implementation "androidx.lifecycle:lifecycle-reactivestreams:2.0.0"
+    implementation 'androidx.lifecycle:lifecycle-extensions:2.1.0-alpha01'
+    implementation 'androidx.lifecycle:lifecycle-common-java8:2.1.0-alpha01'
+    implementation 'androidx.lifecycle:lifecycle-reactivestreams:2.1.0-alpha01'
     testImplementation "androidx.arch.core:core-testing:2.0.0"
 
     implementation 'com.google.android.gms:play-services-maps:16.0.0'
 
     implementation 'androidx.cardview:cardview:1.0.0'
-    implementation 'androidx.recyclerview:recyclerview:1.0.0'
-    implementation 'com.google.android.material:material:1.0.0'
-    implementation 'com.google.firebase:firebase-core:16.0.5'
-    implementation 'com.google.firebase:firebase-auth:16.0.5'
+    implementation 'androidx.recyclerview:recyclerview:1.1.0-alpha01'
+    implementation 'com.google.android.material:material:1.1.0-alpha02'
+    implementation 'com.google.firebase:firebase-core:16.0.6'
+    implementation 'com.google.firebase:firebase-auth:16.1.0'
     implementation 'com.google.firebase:firebase-database:16.0.5'
     implementation 'com.google.firebase:firebase-messaging:17.3.4'
-    implementation 'com.google.firebase:firebase-auth:16.0.5'
+    implementation 'com.google.firebase:firebase-auth:16.1.0'
 
 
-
-    implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.3.10'
-    implementation "androidx.appcompat:appcompat:1.0.2"
-    implementation "androidx.constraintlayout:constraintlayout:1.1.3"
-    implementation "com.google.android.material:material:1.0.0"
+    implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.3.11'
+    implementation 'androidx.appcompat:appcompat:1.1.0-alpha01'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.0-alpha2'
+    implementation 'com.google.android.material:material:1.1.0-alpha02'
 
     // architecture components
-    implementation "androidx.lifecycle:lifecycle-extensions:2.0.0"
-    implementation "androidx.lifecycle:lifecycle-runtime:2.0.0"
-    implementation "androidx.room:room-runtime:2.1.0-alpha02"
-    implementation "androidx.paging:paging-runtime:2.1.0-beta01"
-    kapt "androidx.lifecycle:lifecycle-compiler:2.0.0"
-    kapt "androidx.room:room-compiler:2.1.0-alpha02"
+    implementation 'androidx.lifecycle:lifecycle-extensions:2.1.0-alpha01'
+    implementation 'androidx.lifecycle:lifecycle-runtime:2.1.0-alpha01'
+    implementation "androidx.room:room-runtime:2.1.0-alpha03"
+    implementation "androidx.paging:paging-runtime:2.1.0-rc01"
+    kapt 'androidx.lifecycle:lifecycle-compiler:2.1.0-alpha01'
+    kapt "androidx.room:room-compiler:2.1.0-alpha03"
 
     // retrofit
-    implementation "com.squareup.retrofit2:retrofit:2.4.0"
-    implementation"com.squareup.retrofit2:converter-gson:2.4.0"
-    implementation "com.squareup.retrofit2:retrofit-mock:2.4.0"
-    implementation "com.squareup.okhttp3:logging-interceptor:3.10.0"
+    implementation 'com.squareup.retrofit2:retrofit:2.5.0'
+    implementation 'com.squareup.retrofit2:converter-gson:2.5.0'
+    implementation 'com.squareup.retrofit2:retrofit-mock:2.5.0'
+    implementation 'com.squareup.okhttp3:logging-interceptor:3.12.0'
 
     // testing
-    testImplementation "junit:junit:4.12"
-    androidTestImplementation "androidx.test:runner:1.1.0"
-    androidTestImplementation "androidx.test.espresso:espresso-core:3.1.0"
-
-
+    testImplementation 'junit:junit:4.13-beta-1'
+    androidTestImplementation "androidx.test:runner:1.1.1"
+    androidTestImplementation "androidx.test.espresso:espresso-core:3.1.1"
 
 
 }

app/src/main/java/com/libandexample/Main2Activity.kt

@@ -0,0 +1,45 @@
+package com.libandexample
+
+import android.app.Activity
+import android.content.Intent
+import android.net.Uri
+import android.os.Bundle
+import android.os.Environment
+import android.widget.Button
+import android.widget.ImageView
+
+import java.io.File
+
+
+class Main2Activity : Activity() {
+    private var imageView: ImageView? = null
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main2)
+
+        val button = findViewById<Button>(R.id.button)
+        imageView = findViewById(R.id.imageView)
+        button.setOnClickListener {
+            val intent = Intent("com.intsig.camscanner.ACTION_SCAN")
+            // Or content uri picked from gallery
+
+            val uri = Uri.fromFile(File(Environment.getExternalStorageDirectory().path + "/source.jpg"))
+            intent.putExtra(Intent.EXTRA_STREAM, uri)
+            intent.putExtra("scanned_image", Environment.getExternalStorageDirectory().path + "/source.jpg")
+            //                intent.putExtra("pdf_path", Environment.getExternalStorageDirectory().getPath() + "/source.jpg");
+            //                intent.putExtra("org_image", Environment.getExternalStorageDirectory().getPath() + "/source.jpg");
+            startActivityForResult(intent, 100)
+        }
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        if (requestCode == 100) {
+            data!!.getIntExtra("RESULT_OK", -1)
+            if (resultCode == Activity.RESULT_FIRST_USER) {
+                // Fail
+            }
+        }
+    }
+}

app/src/main/java/com/libandexample/courses/udemy/Kotlin/Calculator/CalculatorActivity.kt → app/src/main/java/com/libandexample/courses/udemy/kotlin/Calculator/CalculatorActivity.kt

@@ -1,4 +1,4 @@
-package com.libandexample.courses.udemy.Kotlin.Calculator
+package com.libandexample.courses.udemy.kotlin.Calculator
 
 import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
@@ -98,7 +98,7 @@ private var isNewOp=true
         isNewOp=true
     }
 
-    fun buEqualEvent(view:View){
+    fun buEqualEvent() {
         val newNumber=etShowNumber.text.toString()
         var finalNumber:Double?=null
         when(op){
@@ -120,15 +120,15 @@ private var isNewOp=true
         isNewOp=true
     }
 
-    fun buPercent(view:View){
+    fun buPercent() {
         val number:Double=etShowNumber.text.toString().toDouble()/100
 
         etShowNumber.setText(number.toString())
         isNewOp=true
 
     }
 
-    fun buClean(view:View){
+    fun buClean() {
         etShowNumber.setText("0")
         isNewOp=true
     }

app/src/main/java/com/libandexample/courses/udemy/Kotlin/findmyage/MainActivity.kt → app/src/main/java/com/libandexample/courses/udemy/kotlin/findmyage/MainActivity.kt

@@ -1,9 +1,8 @@
-package com.libandexample.courses.udemy.Kotlin.findmyage
+package com.libandexample.courses.udemy.kotlin.findmyage
 
 import android.annotation.SuppressLint
 import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
-import android.view.View
 import com.libandexample.R
 import kotlinx.android.synthetic.main.activity_main.*
 import java.util.*
@@ -19,7 +18,7 @@ class MainActivity : AppCompatActivity() {
 
 
     @SuppressLint("OnClick")
-    protected fun BuClickEvent(view: View) {
+    protected fun BuClickEvent() {
 
         // fire click button
         val userDOB: String = etDOB.text.toString()

app/src/main/java/com/libandexample/courses/udemy/Kotlin/foodapp/Food.kt → app/src/main/java/com/libandexample/courses/udemy/kotlin/foodapp/Food.kt

@@ -1,4 +1,4 @@
-package com.libandexample.courses.udemy.Kotlin.foodapp
+package com.libandexample.courses.udemy.kotlin.foodapp
 
 class  Food(name: String, des: String, image: Int) {
     var name:String? = name

app/src/main/java/com/libandexample/courses/udemy/Kotlin/foodapp/FoodAppMainActivity.kt → app/src/main/java/com/libandexample/courses/udemy/kotlin/foodapp/FoodAppMainActivity.kt

@@ -1,4 +1,4 @@
-package com.libandexample.courses.udemy.Kotlin.foodapp
+package com.libandexample.courses.udemy.kotlin.foodapp
 
 import android.content.Context
 import android.content.Intent

app/src/main/java/com/libandexample/courses/udemy/Kotlin/foodapp/FoodDetails.kt → app/src/main/java/com/libandexample/courses/udemy/kotlin/foodapp/FoodDetails.kt

@@ -1,4 +1,4 @@
-package com.libandexample.courses.udemy.Kotlin.foodapp
+package com.libandexample.courses.udemy.kotlin.foodapp
 
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
@@ -11,7 +11,7 @@ class FoodDetails : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_food_details)
-        val bundle=intent.extras
+        val bundle = intent!!.extras!!
 
         ivFoodImage.setImageResource(bundle.getInt("image"))
         tvName.text = bundle.getString("name")

app/src/main/java/com/libandexample/courses/udemy/Kotlin/getsunset/GetSunSetMainActivity.kt → app/src/main/java/com/libandexample/courses/udemy/kotlin/getsunset/GetSunSetMainActivity.kt

@@ -1,9 +1,8 @@
-package com.libandexample.courses.udemy.Kotlin.getsunset
+package com.libandexample.courses.udemy.kotlin.getsunset
 
 import android.annotation.SuppressLint
 import android.os.AsyncTask
 import android.os.Bundle
-import android.view.View
 import androidx.appcompat.app.AppCompatActivity
 import com.libandexample.R
 import kotlinx.android.synthetic.main.activity_main_getsunset.*
@@ -23,7 +22,7 @@ class GetSunSetMainActivity : AppCompatActivity() {
 
 
     @SuppressLint("OnClick")
-    protected fun GetSunset(view: View) {
+    protected fun GetSunset() {
 
         val city = etCityName.text.toString()
         val url = "https://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20weather.forecast%20where%20woeid%20in%20(select%20woeid%20from%20geo.places(1)%20where%20text%3D%22" + city + "%22)&format=json&env=store%3A%2F%2Fdatatables.org%2Falltableswithkeys"
@@ -91,7 +90,8 @@ class GetSunSetMainActivity : AppCompatActivity() {
                 if (line != null) {
                     AllString += line
                 }
-            } while (line != null)
+            } while (true)
+
             inputStream.close()
         } catch (ex: Exception) {
         }

app/src/main/java/com/libandexample/courses/udemy/Kotlin/noteapp/AddNotes.kt → app/src/main/java/com/libandexample/courses/udemy/kotlin/noteapp/AddNotes.kt

@@ -1,9 +1,8 @@
-package com.libandexample.courses.udemy.Kotlin.noteapp
+package com.libandexample.courses.udemy.kotlin.noteapp
 
 import android.content.ContentValues
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
-import android.view.View
 import android.widget.Toast
 import com.libandexample.R
 import kotlinx.android.synthetic.main.activity_add_notes.*
@@ -30,7 +29,7 @@ class AddNotes : AppCompatActivity() {
 
     }
 
-    fun  buAdd(view:View){
+    fun  buAdd() {
         val dbManager= DbManager(this)
 
         val values= ContentValues()

app/src/main/java/com/libandexample/courses/udemy/Kotlin/noteapp/DbManager.kt → app/src/main/java/com/libandexample/courses/udemy/kotlin/noteapp/DbManager.kt

@@ -1,4 +1,4 @@
-package com.libandexample.courses.udemy.Kotlin.noteapp
+package com.libandexample.courses.udemy.kotlin.noteapp
 
 import android.content.ContentValues
 import android.content.Context