• Dependency Injection

• Constructor_setter_method injection

• Service Locators or other DI frameworks

• Common Frameworks

• Dagger

• Koin

• Kodein

• ToothPick

• How to test

  1. Functional / System
  2. Integration
  3. Unit
  4. Tools:
     1. jUnit
     2. Espresso
     3. Spek

  5. Keep it simple simple

  6. KISS principle KISS principle - Wikipedia

  7. Examples
     1. Code Duplication
        1. “Extract this into a method”
     2. Lets create a framework for this
     3. Kaushik’s - 3x rule
        • if something is duplicated 3 or more times, think about extracting it
     4. 3/6 Rule - In 6 months, will I be able to understand this in under 3 minutes?

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