refactor: BaseActivity, BaseFragment

android/app/src/main/java/com/woowacourse/ody/presentation/common/binding/BindingActivity.kt

@@ -0,0 +1,28 @@
+package com.woowacourse.ody.presentation.common.binding
+
+import android.os.Bundle
+import androidx.annotation.LayoutRes
+import androidx.appcompat.app.AppCompatActivity
+import androidx.databinding.DataBindingUtil
+import androidx.databinding.ViewDataBinding
+import com.google.android.material.snackbar.Snackbar
+import com.woowacourse.ody.OdyApplication
+
+abstract class BindingActivity<T : ViewDataBinding>(
+    @LayoutRes private val layoutRes: Int,
+) : AppCompatActivity() {
+    protected lateinit var binding: T
+    private var snackBar: Snackbar? = null
+    private val application by lazy { applicationContext as OdyApplication }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        binding = DataBindingUtil.setContentView(this, layoutRes)
+        binding.lifecycleOwner = this
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        snackBar = null
+    }
+}

android/app/src/main/java/com/woowacourse/ody/presentation/common/binding/BindingFragment.kt

@@ -0,0 +1,45 @@
+package com.woowacourse.ody.presentation.common.binding
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.annotation.LayoutRes
+import androidx.databinding.DataBindingUtil
+import androidx.databinding.ViewDataBinding
+import androidx.fragment.app.Fragment
+import com.google.android.material.snackbar.Snackbar
+
+abstract class BindingFragment<T : ViewDataBinding>(
+    @LayoutRes private val layoutRes: Int,
+) : Fragment() {
+    private var _binding: T? = null
+    protected val binding: T
+        get() = requireNotNull(_binding)
+    private var snackBar: Snackbar? = null
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?,
+    ): View? {
+        _binding = DataBindingUtil.inflate(inflater, layoutRes, container, false)
+        binding.lifecycleOwner = viewLifecycleOwner
+        return binding.root
+    }
+
+    fun showSnackBar(
+        message: String,
+        action: Snackbar.() -> Unit = {},
+    ) {
+        snackBar?.dismiss()
+        snackBar = Snackbar.make(binding.root, message, Snackbar.LENGTH_SHORT).apply { action() }
+        snackBar?.show()
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        _binding = null
+        snackBar = null
+    }
+}