【ANDROID STUDIO】Dagger Modules

 package com.example.dagger

import dagger.Component

@Component(modules = [MemoryCardModule::class])
interface SmartPhoneComponent {
    fun getSmartPhone() : SmartPhone
}

package com.example.dagger

import android.util.Log
import javax.inject.Inject

class SIMCard @Inject constructor(private  val serviceProvider: ServiceProvider) {


    init {
        Log.i("MYTAG", "SIM Card Constructed")
    }

    fun getConnection() {
        serviceProvider.getServiceProvider()
    }
}
package com.example.dagger

import android.util.Log
import javax.inject.Inject

class ServiceProvider @Inject constructor() {
init {
    Log.i("MYTAG", "Service Provider Constructed")
}

    fun getServiceProvider() {
        Log.i("MYTAG", "Service provider connected")
    }
}
package com.example.dagger

import dagger.Module
import dagger.Provides

@Module
class MemoryCardModule {

    @Provides
    fun providesMemoryCard(): MemoryCard {
        return MemoryCard()
    }
}
package com.example.dagger

import android.util.Log
import javax.inject.Inject

class MemoryCard {
    init {
        Log.i("MYTAG", "Memory Card Constructed")
    }

    fun getSpaceAvailablity() {
        Log.i("MYTAG", "Memory space available")
    }

}
package com.example.dagger

import android.util.Log
import javax.inject.Inject

class Battery @Inject constructor() {
    init {
        Log.i("MYTAG", "Battery Constructed")
    }

    fun getPower() {
        Log.i("MYTAG", "Battery power is available")
    }
}
package com.example.dagger

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle

class MainActivity : AppCompatActivity() {

    private lateinit var smartPhone: SmartPhone
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        DaggerSmartPhoneComponent.create()
            .getSmartPhone()
                .makeACallWithRecording()
    }
}