updating gradle, kotlin, commons, target sdk to 29

Author: tibbi

app/build.gradle

@@ -9,13 +9,13 @@ if (keystorePropertiesFile.exists()) {
 }
 
 android {
-    compileSdkVersion 28
-    buildToolsVersion "28.0.3"
+    compileSdkVersion 29
+    buildToolsVersion "29.0.2"
 
     defaultConfig {
         applicationId "com.simplemobiletools.thankyou"
         minSdkVersion 21
-        targetSdkVersion 28
+        targetSdkVersion 29
         versionCode 14
         versionName "5.0.2"
         setProperty("archivesBaseName", "thank-you")
@@ -56,5 +56,5 @@ android {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:5.17.17'
+    implementation 'com.simplemobiletools:commons:5.21.14'
 }

app/src/main/kotlin/com/simplemobiletools/thankyou/contentproviders/MyContentProvider.kt

@@ -8,18 +8,18 @@ import com.simplemobiletools.thankyou.dbhelpers.MyContentProviderDbHelper
 class MyContentProvider : ContentProvider() {
     lateinit var dbHelper: MyContentProviderDbHelper
 
-    override fun insert(uri: Uri, contentValues: ContentValues) = null
+    override fun insert(uri: Uri, contentValues: ContentValues?) = null
 
     override fun query(uri: Uri, projection: Array<out String>?, selection: String?, selectionArgs: Array<out String>?, sortOrder: String?) = dbHelper.getSharedTheme()
 
     override fun onCreate(): Boolean {
-        dbHelper = MyContentProviderDbHelper.newInstance(context)
+        dbHelper = MyContentProviderDbHelper.newInstance(context!!)
         return true
     }
 
-    override fun update(uri: Uri, contentValues: ContentValues, selection: String?, selectionArgs: Array<out String>?) = dbHelper.updateTheme(contentValues)
+    override fun update(uri: Uri, contentValues: ContentValues?, selection: String?, selectionArgs: Array<out String>?): Int = dbHelper.updateTheme(contentValues!!)
 
-    override fun delete(uri: Uri, selection: String, selectionArgs: Array<out String>) = 0
+    override fun delete(uri: Uri, selection: String?, selectionArgs: Array<out String>?): Int = 0
 
     override fun getType(uri: Uri) = ""
 }

build.gradle

@@ -1,15 +1,15 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.3.50'
+    ext.kotlin_version = '1.3.61'
 
     repositories {
         google()
         jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.2'
+        classpath 'com.android.tools.build:gradle:3.5.3'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong