【ANDROID STUDIO】Field Injectrion With Dagger

 package com.example.dagger

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import dagger.internal.InjectedFieldSignature
import javax.inject.Inject

class MainActivity : AppCompatActivity() {

    @Inject
    lateinit var smartPhone: SmartPhone
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        DaggerSmartPhoneComponent.builder()
            .memoryCardModule(MemoryCardModule(1000))
            .build()
            .inject(this)
    }
}

package com.example.dagger

import android.util.Log
import dagger.Module
import dagger.Provides

@Module
class MemoryCardModule(val memorySize:Int) {

    @Provides
    fun providesMemoryCard(): MemoryCard {
        Log.i("MYTAG","Size of the memory is $memorySize")
        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 NickelCadmiumBattery @Inject constructor(): Battery {
    override fun getPower() {
        Log.i("MYTAG", " Power from NickelCadmiumBattery")
    }
}
package com.example.dagger

import dagger.Binds
import dagger.Module
import dagger.Provides
@Module
abstract class NCBatteryModule {
    @Binds
    abstract fun bindsNCBattery(nickelCadmiumBattery: NickelCadmiumBattery):Battery
}

package com.example.dagger

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

interface Battery{
    fun getPower()
}