Mastering these tools will cut your compile‑wait time dramatically and make you the go‑to person when a teammate’s build breaks.
| Command | What it does | |---------|---------------| | ./gradlew assembleDebug | Builds debug APK | | ./gradlew assembleRelease | Builds release APK | | ./gradlew bundleRelease | Builds Android App Bundle (for Play Store) | | ./gradlew clean | Deletes build/ folders (fixes weird errors) | | ./gradlew :app:lint | Runs static code analysis | | ./gradlew test | Runs unit tests |
(e.g., free vs paid ) let you create different app variants without duplicating code. 4. Command Line Mastery (CI/CD & Terminal Lovers) Stop clicking "Build" – these commands are faster and reproducible:
android buildToolsVersion = "34.0.0"
android buildTypes release isMinifyEnabled = true proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"))
android dexOptions preDexLibraries = true maxProcessCount = 4