Make preferences persistent

app/src/main/java/com/finnmglas/launcher/MainActivity.kt

@@ -16,13 +16,13 @@ import java.util.*
 import kotlin.concurrent.fixedRateTimer
 import kotlin.math.abs
 
-
+// App Launch Actions
-var upApp = "org.mozilla.firefox"
+var upApp = ""
-var downApp = "com.samsung.android.app.galaxyfinder"
+var downApp = ""
-var rightApp = "com.samsung.android.email.provider"
+var rightApp = ""
-var leftApp = "com.google.android.calendar"
+var leftApp = ""
-var volumeUpApp = "com.whatsapp"
+var volumeUpApp = ""
-var volumeDownApp = "com.sec.android.app.popupcalculator"
+var volumeDownApp = ""
 
 class MainActivity : AppCompatActivity(),
 GestureDetector.OnGestureListener,
@@ -38,7 +38,7 @@ GestureDetector.OnDoubleTapListener {
         val pm = applicationContext.packageManager
         val intent: Intent? = pm.getLaunchIntentForPackage(packageName)
         intent?.addCategory(Intent.CATEGORY_LAUNCHER)
-        return intent;
+        return intent
     }
 
     private fun launchApp(packageName: String, fallback: String = "") {
@@ -108,6 +108,36 @@ GestureDetector.OnDoubleTapListener {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
+        // Preferences
+        val sharedPref = this.getSharedPreferences(
+            getString(R.string.preference_file_key), Context.MODE_PRIVATE)
+
+        // First Startup
+        if (!sharedPref.getBoolean("startedBefore", false)){
+            val editor: Editor = sharedPref.edit()
+
+            // Set Defaults
+            editor.putString("action_upApp", "org.mozilla.firefox")
+            editor.putString("action_downApp", "com.samsung.android.app.galaxyfinder")
+            editor.putString("action_rightApp", "com.samsung.android.email.provider")
+            editor.putString("action_leftApp", "com.google.android.calendar")
+            editor.putString("action_volumeUpApp", "com.whatsapp")
+            editor.putString("action_volumeDownApp", "com.sec.android.app.popupcalculator")
+
+            editor.putBoolean("startedBefore", true) // never run this again
+            editor.apply()
+        }
+
+        // Load settings
+        upApp = sharedPref.getString("action_upApp", "").toString()
+        downApp = sharedPref.getString("action_downApp", "").toString()
+        rightApp = sharedPref.getString("action_rightApp", "").toString()
+        leftApp = sharedPref.getString("action_leftApp", "").toString()
+        volumeUpApp = sharedPref.getString("action_volumeUpApp", "").toString()
+        volumeDownApp = sharedPref.getString("action_volumeDownApp", "").toString()
+
+        // Flags
+
         window.setFlags(
             WindowManager.LayoutParams.FLAG_FULLSCREEN,
             WindowManager.LayoutParams.FLAG_FULLSCREEN

app/src/main/java/com/finnmglas/launcher/SettingsActivity.kt

@@ -1,7 +1,9 @@
 package com.finnmglas.launcher
 
 import android.annotation.SuppressLint
+import android.content.Context
 import android.content.Intent
+import android.content.SharedPreferences
 import android.content.pm.PackageManager
 import android.content.pm.ResolveInfo
 import android.os.Bundle
@@ -28,12 +30,22 @@ class SettingsActivity : AppCompatActivity() {
             val value = data?.getStringExtra("value")
             val forApp = data?.getStringExtra("forApp") ?: return
 
+            // Save the new App to Preferences
+            val sharedPref = this.getSharedPreferences(
+                getString(R.string.preference_file_key), Context.MODE_PRIVATE)
+
+            val editor :SharedPreferences.Editor = sharedPref.edit()
+            editor.putString("action_$forApp", value.toString())
+            editor.apply()
+
+            // Update running App
             if (forApp == "downApp") downApp = value.toString()
             else if (forApp == "upApp") upApp = value.toString()
             else if (forApp == "leftApp") leftApp = value.toString()
             else if (forApp == "rightApp") rightApp = value.toString()
             else if (forApp == "volumeDownApp") volumeDownApp = value.toString()
             else if (forApp == "volumeUpApp") volumeUpApp = value.toString()
+
         }
         else {
             super.onActivityResult(requestCode, resultCode, data)

app/src/main/res/values/strings.xml

@@ -1,3 +1,4 @@
 <resources>
     <string name="app_name">Launcher</string>
+    <string name ="preference_file_key">V3RYR4ND0MK3YCR4P</string>
 </resources>