Update SharedPreferences key

app/src/main/java/com/ascedncorp/androidbasic/Constant.kt

@@ -0,0 +1,5 @@
+package com.ascedncorp.androidbasic
+
+object Constant {
+    const val GLOBAL_INPUT_CACHE_KEY = BuildConfig.APPLICATION_ID + ".input"
+}

app/src/main/java/com/ascedncorp/androidbasic/MainFragment.kt

@@ -44,7 +44,7 @@ class MainFragment: Fragment() {
                 apply()
             }
             sharedPreferences?.edit()?.apply {
-                putString(MainActivity.INPUT_TEXT_KEY, binding.edittext.text?.toString() ?: "")
+                putString(Constant.GLOBAL_INPUT_CACHE_KEY, binding.edittext.text?.toString() ?: "")
                 apply()
             }
             requireActivity().supportFragmentManager.beginTransaction()

app/src/main/java/com/ascedncorp/androidbasic/SecondActivity.kt

@@ -25,7 +25,7 @@ class SecondActivity : AppCompatActivity() {
         )
         // The SharedPreferences will be shared to the whole application.
         val sharedPreferencesInput = getSharedPreferences(BuildConfig.APPLICATION_ID, Context.MODE_PRIVATE).getString(
-            MainActivity.INPUT_TEXT_KEY,
+            Constant.GLOBAL_INPUT_CACHE_KEY,
             getString(R.string.second_activity_text)
         )
         binding.tvSharedPreferences.text = String.format(