utils-android.md

ANDROID

TABLE OF CONTENTS

• TOOLS
• GRADLE CLEAN CACHE
• LAST DEV LINKS
• RESOURCES
• COMMON Error activity + toolbar + action bar
• COMMON Error share data
• COMMON Error data storage
• COMMON Error application/singleton/context
• UTILS: OSS
• UTILS: ALL
• SCREENSHOT STORE
• MOCKUP IMAGES
• ENCODING UTF8
• SECURITY / HACK / ENCRYPTION / DECOMPILE / REVERSE ENGINEERING
• BUILD
• IMAGE DRAWABLE FOLDER
• DRAFT
• PLAY STORE SEELCTION
• PLUGIN
• DEBUG
• CLIENT REST
• UI
• COMMON SDK
• ADS MEDIATION
• DEPRECATED CODE
• INDUSTRIALIZATION / AUTOMATIZATION / CI / AUTOMATIC RELEASE
• APP STORE OPTIMIZATION (ASO)
• STRING HELPER
• SHORTCUT
• LIVE TEMPLATES
• FIX
• AUTOCOMPLETE
• SHOW INTENTION
• GROOVY CONSOLE
• decompile apk
• android buy in app V3
• android buy in app evol
• ANDROIDX REFACTOR

TOOLS

• https://github.com/florisboard/florisboard

GRADLE CLEAN CACHE

C:\Users\pegal.gradle\wrapper\dists

LAST DEV LINKS

android dev :

• https://developer.android.com/index.html
• https://github.com/android/sunflower

android new :

• https://developer.android.com/about/versions/pie/android-9.0

experiment store :

• https://developer.android.com/distribute/users/experiments.html

zipalign (optimize RAM) :

• https://developer.android.com/studio/command-line/zipalign.html
• https://developer.android.com/about/versions/nougat/android-7.0.html#apk_signature_v2

RESOURCES

• https://play.google.com/intl/fr_fr/badges/

COMMON Error activity + toolbar + action bar

• https://developer.android.com/training/appbar/index.html
• https://guides.codepath.com/android/using-the-app-toolbar *******
• https://stackoverflow.com/questions/31297246/activity-appcompatactivity-fragmentactivity-and-actionbaractivity-when-to-us

COMMON Error share data

• https://stackoverflow.com/questions/4878159/whats-the-best-way-to-share-data-between-activities *******

COMMON Error data storage

• https://stackoverflow.com/questions/6063550/android-best-way-to-save-data-stored-in-application-singleton-class

// COMMON Error user activity

• https://stackoverflow.com/questions/4208730/how-to-detect-user-inactivity-in-android ******* todo

COMMON Error application/singleton/context

• https://stackoverflow.com/questions/2002288/static-way-to-get-context-on-android?rq=1 *******

• https://www.fwd.cloud/commit/post/android-context-on-demand/ *******

• https://android.jlelse.eu/how-to-make-the-perfect-singleton-de6b951dfdb0 *******

• http://www.developerphil.com/dont-store-data-in-the-application-object/ *******

• https://stackoverflow.com/questions/987072/using-application-context-everywhere *******

• https://possiblemobile.com/2013/06/context/ *******

• https://medium.com/@programmerr47/singletons-in-android-63ddf972a7e7 *******

• https://android-developers.googleblog.com/2009/01/avoiding-memory-leaks.html

• https://code.tutsplus.com/tutorials/android-design-patterns-the-singleton-pattern--cms-29153

• https://stackoverflow.com/questions/4208886/using-the-android-application-class-to-persist-data

UTILS: OSS

• https://flashlight.dev/
• https://github.com/zxing/zxing
• https://github.com/liriliri/aya
• https://github.com/orhanobut/hawk
• https://github.com/traccar/traccar
• https://github.com/alphacep/vosk-api
• https://github.com/hyperb1iss/droidmind
• https://github.com/ProxymanApp/Proxyman
• https://github.com/SamVerschueren/mobicon-cli
• https://github.com/GoogleChromeLabs/bubblewrap

UTILS: ALL

• https://android.fallible.co/#
• https://shapeshifter.design/
• https://www.appbrain.com/apptimizer
• https://www.img-bak.in >> generate icons
• http://inloop.github.io/svg2android/
• http://gunhansancar.com/tools/converter/#
• http://stackoverflow.com/questions/24882550/how-to-format-text-in-string-displayed-in-textview
• https://romannurik.github.io/AndroidAssetStudio/index.html
• https://romannurik.github.io/AndroidAssetStudio/icons-launcher.html > Round icons generate

SCREENSHOT STORE

• https://appure.io
• https://theapplaunchpad.com/

MOCKUP IMAGES

• http://magicmockups.com
• https://mockuper.net
• https://smartmockups.com

ENCODING UTF8

• https://blog.jetbrains.com/idea/2013/03/use-the-utf-8-luke-file-encodings-in-intellij-idea/

SECURITY / HACK / ENCRYPTION / DECOMPILE / REVERSE ENGINEERING

• https://www.youtube.com/watch?v=JyVzp7vQLcc
• https://ibotpeaches.github.io/Apktool/
• https://github.com/pxb1988/dex2jar
• https://github.com/ax/apk.sh
• https://github.com/skylot/jadx
• https://www.pnfsoftware.com/jeb/
• https://github.com/0x192/universal-android-debloater
• https://github.com/doridori/Android-Security-Reference
• https://android-developers.googleblog.com/2016/06/security-crypto-provider-deprecated-in.html
• https://stackoverflow.com/questions/6788018/android-encryption-decryption-with-aes?rq=1
• https://stackoverflow.com/questions/40093004/how-do-you-encrypt-hide-the-body-of-an-https-call-using-retrofit-2-okhttp-3
• https://github.com/square/okhttp/wiki/HTTPS
• https://github.com/gradle/wrapper-validation-action

BUILD

buildType + productFlavor + minSDK

IMAGE DRAWABLE FOLDER

• https://robots.thoughtbot.com/android-imageview-scaletype-a-visual-guide
• https://stackoverflow.com/questions/10517389/android-understanding-drawable-folder
• https://stackoverflow.com/questions/28065267/mipmap-vs-drawable-folders

DRAFT

• https://medium.com/@sergii/best-practices-for-android-developer-productivity-cfd6ffba804c#.ll58votmq
• http://android-developers.blogspot.fr/
• https://github.com/googlesamples/android-architecture
• https://overflow.buffer.com/2016/09/26/android-rethinking-package-structure/

PLAY STORE SEELCTION

• https://play.google.com/store/apps/topic?id=campaign_editorial_apps_kids_bestof2017
• https://play.google.com/store/apps/topic?id=editors_choice&hl=fr

PLUGIN

ADB IDEA > CTRL + ALT + SHIFT + A
KEY PROMOTER

DEBUG

hugo @debuglog JakeWhaston

• http://facebook.github.io/stetho/

CLIENT REST

OKHTTP
RETROFIT
FEIGN

• https://github.com/OpenFeign/feign * NETFLIX

UI

• https://material.io/

COMMON SDK

TextUtils
ContextCompat
ContextCompat.getColor(context, R.color.your_color);
ContextCompat.getDrawable(context, R.drawable.empty_photo2);

//Sur buton
btnChangeDateIn.setBackgroundResource(R.drawable.shape_corner_orange);
btnChangeDateIn.setBackground(ContextCompat.getDrawable(this, R.drawable.shape_corner_orange));

// Sur imageview
back1.setImageResource(R.drawable.icon_back);

relative.setBackgroundResource(0);
setBackgroundColor(Color.TRANSPARENT)

ADS MEDIATION

• https://developers.google.com/admob/android/mediation
• https://support.google.com/admob/answer/3063564?ctx=blog#sdk-less
• https://admob.googleblog.com/2016/02/sdk-less-mediation.html
• http://googleadsdeveloper.blogspot.fr/2016/03/adding-sdk-less-mediation-to-your.html

DEPRECATED CODE

Analyze -> Inspect Code...
When your project has been inspected click on Code maturity issues and tada, there is a list of all Deprecated API usages :)

INDUSTRIALIZATION / AUTOMATIZATION / CI / AUTOMATIC RELEASE

• https://github.com/Triple-T/gradle-play-publisher
• Triple-T/gradle-play-publisher#141
• https://github.com/codepath/android_guides/wiki/Automating-Publishing-to-the-Play-Store
• https://guides.codepath.com/android/automating-publishing-to-the-play-store

1. FROM - https://console.developers.google.com/apis
   Google Play Android Developer API => ENABLE (NAME: Google Play Android Dev API)
   Identifiants => Clés de compte de service (NAME: API-PLAYSTORE)

2. FROM - https://play.google.com/apps/publish
   Compte developper => Access API : Google Play Android Dev API
   Compte developper => Compte de Service => Utilisateurs API-PLAYSTORE

APP STORE OPTIMIZATION (ASO)

• https://asostack.com
• https://www.apptamin.com
• https://thetool.io
• https://chrome.google.com/webstore/detail/aso-google-play-short-des/pgnpmcfcckikimfioobcdjlpmnchlcmm

STRING HELPER

<br/>
<b>AAAAAA</b>
<a href=\'- https://www.google.fr\'>TEXT_LINK</a>;

« text »
“ text ”
’ ou \'

SHORTCUT

Copy/paste > CTRL + SHIFT + V
Back > CTRL + ALT + LEFT (<-)
Last Location > CTRL + SHIFT + BACKSPACE
Next Error > F2 / SHIFT + F2
File Structure > F12 + SHIFT
Symbol > CTRL + ALT + HOME
Goto class name > CTRL + N
Goto file name > CTRL + SHIFT + N
Goto symbol name > CTRL + ALT + SHIFT + N
Hide window > SHIFT + CTRL + F12

Multi cursor > ALT + J
Find action > CTRL + SHIFT + A

LIVE TEMPLATES

• https://medium.com/google-developers/writing-more-code-by-writing-less-code-with-android-studio-live-templates-244f648d17c7
• https://www.bignerdranch.com/blog/android-studio-live-templates/

usage : abrevation + tab

starter
newInstance
Tag (todo)

FIX

for
nn
format

AUTOCOMPLETE

Tab instead of enter

SHOW INTENTION

ALT + enter

GROOVY CONSOLE

allow to test small function
Find action : groovy console
System.out.println(func(test));

decompile apk

• https://ibotpeaches.github.io/Apktool/documentation/
• https://github.com/BenitoJedai/Dexer

android buy in app V3

• https://android-developers.googleblog.com/2017/06/money-made-easily-with-new-google-play.html
• https://codelabs.developers.google.com/codelabs/play-billing-codelab/#0
• https://github.com/googlecodelabs/play-billing-codelab
• https://github.com/googlesamples/android-play-billing/tree/master/TrivialDrive_v2

android buy in app evol

• https://github.com/googlesamples/android-play-billing/tree/master/TrivialDrive/app/src/main/java/com/example/android/trivialdrivesample/util

• https://stackoverflow.com/questions/45943013/android-in-app-biling-cant-start-async-operation

• https://stackoverflow.com/questions/15628155/android-in-app-billing-cant-start-launchpurchaseflow-because-launchpurchaseflo

• https://stackoverflow.com/questions/14130044/android-billing-exception/19986180

• https://stackoverflow.com/questions/47598821/android-in-app-billing-crashing-sometimes-working-sometimes

• https://stackoverflow.com/questions/48353342/illegalstateexception-caused-by-in-app-billing-checknotdisposed?rq=1

• https://stackoverflow.com/questions/15575605/android-in-app-billing-cant-start-async-operation-because-another-async-operat

• https://stackoverflow.com/questions/30382007/java-lang-illegalstateexception-cant-start-async-operation
  todo:
  -update to the last version of lib
  -check having onActivityResult like this :
  -add try catch to the call
  avoid:
  -editing inabhelper as suggested here:

ANDROIDX REFACTOR

• https://developer.android.com/topic/libraries/support-library/refactor

ValidationHelper
//import com.google.android.material.textfield.TextInputLayout;
import android.support.design.widget.TextInputLayout;

/*
// refactor (waiting for libs compat)
// - https://developer.android.com/topic/libraries/support-library/refactor
implementation "androidx.legacy:legacy-support-v4:1.0.0"
implementation "androidx.appcompat:appcompat:1.0.0"
implementation "androidx.multidex:multidex:2.0.0"

manifest application> xmlns:tools="- http://schemas.android.com/tools"
tools:replace="android:appComponentFactory"
android:appComponentFactory="@string/action_settings"

*/

inside gradle > android
lintOptions {
checkReleaseBuilds false
abortOnError false
}
packagingOptions {
exclude 'META-INF/DEPENDENCIES'
exclude 'META-INF/LICENSE'
exclude 'META-INF/LICENSE.txt'
exclude 'META-INF/license.txt'
exclude 'META-INF/NOTICE'
exclude 'META-INF/NOTICE.txt'
exclude 'META-INF/notice.txt'
exclude 'META-INF/ASL2.0'
}