diff --git a/README.md b/README.md
index 58578cd..564233d 100644
--- a/README.md
+++ b/README.md
@@ -4,14 +4,21 @@ This repository is a part of AscendMoney's Basic Android Development Course.
It is published for people who are interested to learn basic Android development.
## Preparation
-Please fork this repository and download any required programs before starting the workshop.
-Optional : Also prepare your Android device or Android Emulator for running the application.
+Please fork this repository and download any required programs before starting the workshop.
+Optional: Also prepare your Android device or Android Emulator for running the application.
### Checklist
- [Android Studio](https://developer.android.com/studio) : Development Tool
- Install Android SDK (Should be automatically downloaded when setup the Android Studio)
-- [Create an Android Emulator](https://developer.android.com/studio/run/managing-avds) : For running the application without the real device
-- [Connect with an Android Device](https://developer.android.com/studio/debug/dev-options) : If you have an Android Device
+- [Create an Android Emulator](https://developer.android.com/studio/run/managing-avds): For running the application without the real device
+- [Connect with an Android Device](https://developer.android.com/studio/debug/dev-options): If you have an Android Device
+
+### Branch
+- [main](https://github.com/mikkipastel/android-basic): empty Android Application.
+- [activity-lifecycle](https://github.com/mikkipastel/android-basic/tree/activity-lifecycle): application for learning about Android Lifecycle.
+- [activity-workshop](https://github.com/mikkipastel/android-basic/tree/activity-workshop): workshop to learn for add activity.
+- [fragment-workshop](https://github.com/mikkipastel/android-basic/tree/fragment-workshop): workshop to learn to add fragments.
+- [recycler-workshop](https://github.com/mikkipastel/android-basic/tree/recycler-workshop): workshop to learn about RecyclerView and calling with API.
## Content
-blog : https://developers.ascendcorp.com/basic-android-development-introduction-with-android-project-fbf754bb4d3a
+blog introduction: https://developers.ascendcorp.com/basic-android-development-introduction-with-android-project-fbf754bb4d3a
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 5fe1253..0985555 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -13,7 +13,9 @@
android:supportsRtl="true"
android:theme="@style/Theme.Androidbasic"
tools:targetApi="31">
-
+ <activity
+ android:name=".SecondActivity"
+ android:exported="false" />
<activity
android:name=".MainActivity"
android:exported="true">
@@ -23,7 +25,6 @@
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
-
</application>
</manifest>
\ No newline at end of file
diff --git a/app/src/main/java/com/ascedncorp/androidbasic/Constant.kt b/app/src/main/java/com/ascedncorp/androidbasic/Constant.kt
new file mode 100644
index 0000000..b2e7fb9
--- /dev/null
+++ b/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"
+}
diff --git a/app/src/main/java/com/ascedncorp/androidbasic/MainActivity.kt b/app/src/main/java/com/ascedncorp/androidbasic/MainActivity.kt
index a3f208e..7b74014 100644
--- a/app/src/main/java/com/ascedncorp/androidbasic/MainActivity.kt
+++ b/app/src/main/java/com/ascedncorp/androidbasic/MainActivity.kt
@@ -20,4 +20,8 @@ class MainActivity: AppCompatActivity() {
.commit()
}
}
+
+ companion object {
+ const val INPUT_TEXT_KEY = "com.ascedncorp.androidbasic.MainActivity.input_text_key"
+ }
}
\ No newline at end of file
diff --git a/app/src/main/java/com/ascedncorp/androidbasic/MainFragment.kt b/app/src/main/java/com/ascedncorp/androidbasic/MainFragment.kt
index 167ccf8..9d55774 100644
--- a/app/src/main/java/com/ascedncorp/androidbasic/MainFragment.kt
+++ b/app/src/main/java/com/ascedncorp/androidbasic/MainFragment.kt
@@ -1,5 +1,7 @@
package com.ascedncorp.androidbasic
+import android.content.Context
+import android.content.Intent
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
@@ -26,12 +28,33 @@ class MainFragment: Fragment() {
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
-
+ // Get a preferences file of this activity
+ val preferences = activity?.getPreferences(Context.MODE_PRIVATE)
+ val sharedPreferences = activity?.getSharedPreferences(
+ BuildConfig.APPLICATION_ID,
+ Context.MODE_PRIVATE
+ )
+ // Get last input value
+ binding.edittext.setText(preferences?.getString(MainActivity.INPUT_TEXT_KEY, null))
+ // Set buttons' actions
binding.button.setOnClickListener {
+ // Save the value when this button was clicked
+ preferences?.edit()?.apply {
+ putString(MainActivity.INPUT_TEXT_KEY, binding.edittext.text?.toString() ?: "")
+ apply()
+ }
+ sharedPreferences?.edit()?.apply {
+ putString(Constant.GLOBAL_INPUT_CACHE_KEY, binding.edittext.text?.toString() ?: "")
+ apply()
+ }
+ // Open SecondFragment
requireActivity().supportFragmentManager.beginTransaction()
.add(R.id.container, SecondFragment.newInstance(binding.edittext.text.toString()))
.addToBackStack(null)
.commit()
}
+ binding.buttonSecondActivity.setOnClickListener {
+ startActivity(Intent(requireActivity(), SecondActivity::class.java))
+ }
}
-}
\ No newline at end of file
+}
diff --git a/app/src/main/java/com/ascedncorp/androidbasic/SecondActivity.kt b/app/src/main/java/com/ascedncorp/androidbasic/SecondActivity.kt
new file mode 100644
index 0000000..a2edbbc
--- /dev/null
+++ b/app/src/main/java/com/ascedncorp/androidbasic/SecondActivity.kt
@@ -0,0 +1,39 @@
+package com.ascedncorp.androidbasic
+
+import android.content.Context
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import com.ascedncorp.androidbasic.databinding.ActivitySecondBinding
+
+class SecondActivity : AppCompatActivity() {
+
+ private val binding: ActivitySecondBinding by lazy {
+ ActivitySecondBinding.inflate(layoutInflater)
+ }
+
+ override fun onCreate(savedInstanceState: Bundle?) {
+ super.onCreate(savedInstanceState)
+ setContentView(binding.root)
+ // The Preferences won't be shared between activities.
+ val preferencesInput = getPreferences(Context.MODE_PRIVATE).getString(
+ MainActivity.INPUT_TEXT_KEY,
+ getString(R.string.second_activity_text)
+ )
+ binding.tvPreferences.text = String.format(
+ getString(R.string.second_activity_preferences),
+ preferencesInput
+ )
+ // The SharedPreferences will be shared to the whole application.
+ val sharedPreferencesInput = getSharedPreferences(
+ BuildConfig.APPLICATION_ID,
+ Context.MODE_PRIVATE
+ ).getString(
+ Constant.GLOBAL_INPUT_CACHE_KEY,
+ getString(R.string.second_activity_text)
+ )
+ binding.tvSharedPreferences.text = String.format(
+ getString(R.string.second_activity_sharedpreferences),
+ sharedPreferencesInput
+ )
+ }
+}
diff --git a/app/src/main/res/layout/activity_second.xml b/app/src/main/res/layout/activity_second.xml
new file mode 100644
index 0000000..292b23f
--- /dev/null
+++ b/app/src/main/res/layout/activity_second.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:app="http://schemas.android.com/apk/res-auto"
+ xmlns:tools="http://schemas.android.com/tools"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"
+ tools:context=".SecondActivity">
+
+ <TextView
+ android:id="@+id/tvPreferences"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_marginHorizontal="24dp"
+ android:text="@string/second_activity_text"
+ app:layout_constraintStart_toStartOf="parent"
+ app:layout_constraintEnd_toEndOf="parent"
+ app:layout_constraintTop_toTopOf="parent"
+ app:layout_constraintBottom_toTopOf="@id/tvSharedPreferences" />
+
+ <TextView
+ android:id="@+id/tvSharedPreferences"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_marginHorizontal="24dp"
+ android:text="@string/second_activity_text"
+ app:layout_constraintStart_toStartOf="parent"
+ app:layout_constraintEnd_toEndOf="parent"
+ app:layout_constraintTop_toBottomOf="@id/tvPreferences"
+ app:layout_constraintBottom_toBottomOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_main.xml b/app/src/main/res/layout/fragment_main.xml
index 1fd54be..c4cd5ed 100644
--- a/app/src/main/res/layout/fragment_main.xml
+++ b/app/src/main/res/layout/fragment_main.xml
@@ -31,4 +31,14 @@
app:layout_constraintStart_toStartOf="@id/edittext"
app:layout_constraintEnd_toEndOf="@id/edittext" />
+ <Button
+ android:id="@+id/buttonSecondActivity"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_marginTop="16dp"
+ android:text="@string/main_activity_open_second_activity"
+ app:layout_constraintTop_toBottomOf="@+id/button"
+ app:layout_constraintStart_toStartOf="@id/edittext"
+ app:layout_constraintEnd_toEndOf="@id/edittext" />
+
</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 697000f..8ce0c3e 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,3 +1,7 @@
<resources>
<string name="app_name">android-basic</string>
+ <string name="second_activity_text">Nothing saved</string>
+ <string name="main_activity_open_second_activity">Second Activity</string>
+ <string name="second_activity_preferences">Preferences: %s</string>
+ <string name="second_activity_sharedpreferences">SharedPreferences: %s</string>
</resources>
\ No newline at end of file