Android, Google Play phone, tablet (writing an app, a game)

Programming, development, testing

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Android, Google Play phone, tablet (writing an app, a game)

Android, Google Play phone, tablet (writing an app, a game)

What is the Android operating system? What version numbers were in Android

What are ARM processors? | Android

Что такое AndroidX?

Java application (for Android phone) in Android Studio

Why Android applications are written in Java?

Download Android Studio

Download and install Android Studio to write programs for Android phones in Java, Kotlin

Open Android Studio on the computer (Windows 10)

Create a new application for Android phone

Create a new project on Java with one simple Activity in Android Studio (write a program for Android phones, tablets) in Windows 10

Elements in Android

Example "Setting text in TextView" via Java code | Android, Java application

Example "I send an http (web api) request to the site and display the response in TextView" | Android, Java application

Additionally

Compiling and running an Android application

Compile and run the application in Android Studio on computer (Windows) in emulator mode Android Device

Running the application Android Studio in debugging on computer (Windows) in emulator mode Android Device

Errors in the Android application

Error "error while waiting for device: the emulator process for ..... has terminated" when running an application in Android Studio on a computer (Windows) in emulator mode Android Device

Error "Error while waiting for device: Illegal char <*> at index 0: *.lock ..." when running the application in Android Studio

Error "AVD is already running ..." when running the application in Android Studio

Error "CMake "3.18.1" was not found in SDK, PATH, or by cmake.dir property" when compiling a project to Android Studio

Error "Execution failed for task ":app:compressDebugAssets" when compiling a project to Android Studio

All errors when starting the Android application

Optional installations

What is Android SDK (a copy of the Android operating system)? Installing Android SDK 8.1 in Android Studio ...

Create a Android virtual device in Android Studio

Install HAXM

Program Theory Android

Activity in Android

Kotlin application (for Android phone) in Android Studio

Download Android Studio

Download and install Android Studio to write programs for Android phones in Java, Kotlin

New app

Create a new project "Empty Views Activity" on Kotlin in Android Studio (write a program for Android phones, tablets) in Windows 10

Compiling and running an Android application

Compile and run Kotlin an application in Android Studio on a computer (Windows) in emulator mode Android Device

Run Kotlin an application in Android Studio in debugging on a computer (Windows) in emulator mode Android Device

Running and debugging Kotlin Android Studio app on my phone via USB

Long wait when running Kotlin Android application. I see the message: "I/zygote:Waiting for a blocking GC ProfileSaver"

Elements Android

Create Android project, add TextView and show the value on the phone | Android Telephone, Android Studio, Kotlin, Windows 10

Kotlin Saving, copying objects | @Parcelize Parcelable

Copy the data in the class and object. We use the attribute @Parcelize and the interface Parcelable. | Kotlin | Android Studio

Error "Class is not abstract and does not implement abstract member public abstract fun describeContents(): Int defined in android.os.Parcelable" | Kotlin | Android Studio | @Parcelize | Parcelable

Window with buttons yes, no

Show a window with 2 buttons: yes, no and you don't need to add any resource, layout | I call the AlertDialog function in Kotlin | Android Studio

Loading photos

Android Kotlin application takes photo using camera and draws in the application | Android Studio | Kotlin

Android Kotlin choose photo from gallery and draws in the application | Android Studio | Kotlin ...

getExternalFilesDir - function that returns the full path to an external directory where our application can place persistent files | Android Studio, Kotlin

getFilesDir - function that returns the full path to directory where our application can place files | Android Studio, Kotlin

How do I work with files media in Android? What are content Uri and file path. The difference between getExternalFilesDir and getFilesDir ... | Android Studio, Kotlin

File build.gradle

How to Make a Variable in the build.gradle File and Pass It to the Manifest File AndroidManifest.xml | Android Studio | Kotlin

How to Make a Variable in a build.gradle File and Pass It to a Kotlin File | Android Studio | Kotlin

Moshi (json→ class object)

Moshi (converting json text to a class object) | deserialization in Kotlin | Android Studio

Moshi (converting array json to list of object) | deserialization in Kotlin | Android Studio

Error "Failed to find the generated JsonAdapter class for class com.example.androidkotlinapp1.MyBook" | Exception | Kotlin | Moshi | Android Studio

Error "A problem occurred evaluating project ':app'. Caused by: CustomMessageMissingMethodException: Could not find method kapt() for arguments [com.squareup.moshi:moshi-kotlin-codegen:1.14.0]" | When compiling a Kotlin, Moshi project in Android Studio

Jetpack application (for Android phone) in Android Studio | Kotlin

What is Jetpack for Android?

New app

Create a new project "Jetpack Compose" on Kotlin in Android Studio (write a program for Android phones, tablets) in Windows 10

Compilation error "Dependency 'androidx.core:core-ktx:1.17.0' requires Android Gradle plugin 8.9.1 or higher" | Jetpack | Kotlin | Android Studio

C++ game (for Android phone) in Android Studio | Android NDK, OpenGL ES

What is Android NDK for Android phone? This is the C++ library for the Android phone.

What is Android OpenGL ES for Android phone? This is the C++ graphics library for the Android phone.

New app

Create a project "Android Native C++ Game" for the phone | Android Studio, Android NDK, OpenGL ES, C++

Drawing a lake by points for the 2D game

Drawing an enemy airplane as a vector graphic in Adobe Illustrator. I take the coordinates of the points from Adobe Illustrator and add them to my 2D game on C++ OpenGL

Compiling and running an Android application

Compile and run "Android Native C++ Game" in Android Studio on a computer (Windows) in Android Device emulator mode

Application Compilation or Launch Errors Native C++ Android

Error "[CXX1405] error when building with cmake using CMakeLists.txt: C build system [configure] failed while executing cmake.exe" when compiling Android Native C++ an application to Android Studio on computer (Windows)

Error "ninja: error: rebuilding 'build.ninja': subcommand failed" when compiling Android Native C++ an application to Android Studio on computer (Windows)

OpenGL (version 1)

Draw a triangle with paint inside in "Android Native C++ Game" for phone | Android Studio, Android NDK, OpenGL ES v1, C++

OpenGL (version 2, using shader for very fast draw)

Download bmp file from Assets and draw textures in "Android Native C++ Game" for your phone | Android Studio, Android NDK, OpenGL ES v2 (shader), C++

How to get bmp file located in Assets inside apk file ? | Android Studio, NDK, C++

How to use alpha transparency in displaying texture using OpenGL? | Android Studio, OpenGL ES, NDK, C++

Why does glTexImage2D return error code 1280? | Android Studio, OpenGL ES, NDK, C++

C++ language

What are cpp and h files in C++? | Android Studio, NDK, C++

How to create new h file and add to project android NDK C++? | Android Studio, NDK, C++

How to create new cpp file and add to project android NDK C++? | Android Studio, NDK, C++, CMakeLists.txt

dynamic_cast in C++ (converting a pointer to a different type and checking validity in runtime) | Android Studio, NDK, C++

std::map<Key, Value> is a set of keys and values in C++. | Android Studio, NDK, C++

Pass a function as a parameter to a function (callback) | C++ | Android Studio, NDK, C++

Android events and etc

How to find event when display rotated (changed orientation) in Android phone | Android Studio, NDK, C++

How to handle events in Android phone (create/terminate window event, set focus, lost focus, touch in phone) | Android Studio, NDK, C++

Create a signed apk file

Create a signed apk file in Android Studio | Android NDK, OpenGL ES

Google Play Console (for developer)

Creating a Google Play account developer | Google Play Console

The developer in Google Play Console needs to verify the identity | Google Play Console

The developer in Google Play Console needs to confirm developer account | Google Play Console

Developer account is not in use | Developer account is at risk of being closed | Google Play Console

My app in Google Play Console

Compile app and send it for production in Google Play Console | My app in Google Play Console

Errors

Policy status "Invalid Privacy policy" | Provide link to a valid privacy policy page | My app in Google Play Console

Policy status "App must target Android 15 (API level 35) or higher" | Status "You won't be able to release app updates" | My app in Google Play Console

Policy status "App must target Android 14 (API level 34) or higher" | Status "You won't be able to release app updates" | My app in Google Play Console

Policy app content "Remove Photo and video permissions permission or submit declaration" | My app in Google Play Console

My game in Google Play Console

Create an application in Google Play Console (in the option I select that it will be a game) | My game in Google Play Console

Important parameters: package, applicationId, versionCode, versionName, android:label (in AndroidManifest.xml, build.gradle) to create a test version for Google Play Console | My game in Google Play Console

Create a signed .aab file in Android Studio | My game in Google Play Console

Compile the game and send it for internal testing in Google Play Console | My game in Google Play Console

Google automatically ran tests and made pictures, a report on how the game runs on different brands of phones | My game in Google Play Console

Support

How do I ask Google Play Developer Console a support question?

Google Play Developer Console support feedback

Google Play Billing, in-app purchase

Topics about Google Play Billing & in-app purchase | Google Play Console

Additional topics, questions

Can I use (integrate) payments in my Google game if I am a developer from Belarus? | Monetization in Google Play Console

How can I change the Google Play Console language? | Google Chrome

How to change country in payments profile? | Google Play Console

How do I view (open) a payment page in Google Play? | Google Play Console

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