androiddevnotes

Install Android SDK CLI Ubuntu 20.04 WSL2 (Work in Progress)

Install Java 8

sudo apt install openjdk-8-jdk-headless

Android SDK

androiddevnotes

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.regex.*;
import java.util.Arrays;
import java.util.Collection;

androiddevnotes

import timber.log.Timber
import kotlin.properties.ReadOnlyProperty
import kotlin.reflect.KProperty

class MyClass {
    // This will automatically have the TAG "MyClass"
    private val log by timber()
    
    fun logSomething() {
        log.i("Hello")

androiddevnotes

wget -c --no-cookies --no-check-certificate --header "Cookie: oraclelicense=accept-securebackup-cookie"  https://download.oracle.com/otn-pub/java/jdk/12.0.2+10/e482c34c86bd4bf8b56c0b35558996b9/jdk-12.0.2_linux-x64_bin.tar.gz

androiddevnotes

1. Download latest apktool version.
2. Download the batch file and aapt.exe.
3. Create a folder anywhere in the PC and put all the apktool.jar, aapt.exe and the batch script in that folder.

4. Open command prompt.
5. Navigate to the folder where you placed apktool.jar, batch script and the aapt.exe.
6. Now, you need to install the file using the " IF " command.
7. Type the following command.

	apktool if name-of-the-app.apk

androiddevnotes

# You must first install apktool (https://github.com/iBotPeaches/Apktool) and android SDK
# and decompile apk using it 
# apktool d -rf my-app.apk

# then generate a key for sign in:
# keytool -genkey -v -keystore my-release-key.keystore -alias alias_name -keyalg RSA -keysize 2048 -validity 10000
rm signed-app.apk
apktool b -f -d com.myapp
jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore my-release-key.keystore com.myapp/dist/com.myapp.apk alias_name
zipalign -v 4 com.myapp/dist/com.myapp.apk signed-app.apk