Clean up code in the Settings Activity

Extract all strings to the resource files (helpful for translations in 
the future), Move and simplify functions.

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

@@ -8,6 +8,7 @@ import android.content.Intent
 import android.content.SharedPreferences
 import android.content.pm.PackageManager
 import android.net.Uri
+import android.os.Bundle
 import android.provider.Settings
 import android.widget.Toast
 
@@ -70,6 +71,15 @@ fun launchApp(packageName: String, context: Context) {
     }
 }
 
+fun openNewTabWindow(urls: String, context : Context) {
+    val uris = Uri.parse(urls)
+    val intents = Intent(Intent.ACTION_VIEW, uris)
+    val b = Bundle()
+    b.putBoolean("new_window", true)
+    intents.putExtras(b)
+    context.startActivity(intents)
+}
+
 /** Settings related functions */
 
 fun openAppSettings(pkg :String, context:Context){

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

@@ -1,9 +1,7 @@
 package com.finnmglas.launcher
 
-import android.annotation.SuppressLint
 import android.app.AlertDialog
 import android.content.*
-import android.net.Uri
 import android.os.Build
 import android.os.Bundle
 import android.provider.Settings
@@ -16,6 +14,17 @@ import androidx.appcompat.app.AppCompatActivity
 //TODO Make Settings scrollable as soon as more are added
 
 class SettingsActivity : AppCompatActivity() {
+
+    /** Activity Lifecycle functions */
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        window.setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN)
+        window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
+
+        setContentView(R.layout.activity_settings)
+    }
+
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         if(requestCode == 5000)
         {
@@ -37,6 +46,7 @@ class SettingsActivity : AppCompatActivity() {
         }
     }
 
+    /** onClick functions for Settings */
     fun chooseDownApp(view: View) {chooseApp("downApp")}
     fun chooseUpApp(view: View) {chooseApp("upApp")}
     fun chooseLeftApp(view: View) {chooseApp("leftApp")}
@@ -63,26 +73,9 @@ class SettingsActivity : AppCompatActivity() {
         startActivity(intent)
     }
 
-    fun openNewTabWindow(urls: String, context : Context) {
+    fun openFinnWebsite(view: View) { openNewTabWindow("https://www.finnmglas.com/", this) }
-        val uris = Uri.parse(urls)
+    fun openGithubRepo(view: View) { openNewTabWindow("https://github.com/finnmglas/Launcher#en", this) }
-        val intents = Intent(Intent.ACTION_VIEW, uris)
+    fun backHome(view: View) { finish() }
-        val b = Bundle()
-        b.putBoolean("new_window", true)
-        intents.putExtras(b)
-        context.startActivity(intents)
-    }
-
-    fun openFinnWebsite(view: View) {
-        openNewTabWindow("https://www.finnmglas.com/", this)
-    }
-
-    fun openGithubRepo(view: View) {
-        openNewTabWindow("https://github.com/finnmglas/Launcher#en", this)
-    }
-
-    fun backHome(view: View) {
-        finish()
-    }
 
     fun setLauncher(view: View) {
         // on newer sdk: choose launcher
@@ -124,14 +117,4 @@ class SettingsActivity : AppCompatActivity() {
             .setIcon(android.R.drawable.ic_dialog_alert)
             .show()
     }
-
-    @SuppressLint("SetTextI18n") // I do not care
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-
-        window.setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN)
-        window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
-
-        setContentView(R.layout.activity_settings)
-    }
 }

app/src/main/res/layout/activity_settings.xml

@@ -11,7 +11,7 @@
         android:id="@+id/heading"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Settings"
+        android:text="@string/settings_title"
         android:textColor="#cccccc"
         android:textSize="36sp"
         app:layout_constraintBottom_toBottomOf="parent"
@@ -24,7 +24,7 @@
         android:id="@+id/sub_head_1"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Applications"
+        android:text="@string/settings_sub_title1"
         android:textColor="#999"
         android:textSize="18sp"
         app:layout_constraintBottom_toBottomOf="parent"
@@ -54,7 +54,9 @@
                 android:id="@+id/text_up"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:text="Swipe Up"
+                android:paddingLeft="10sp"
+                android:paddingRight="10sp"
+                android:text="@string/settings_choose_up"
                 android:textColor="#ccc"
                 android:textSize="24sp" />
 
@@ -64,7 +66,7 @@
                 android:layout_height="wrap_content"
                 android:alpha=".8"
                 android:onClick="chooseUpApp"
-                android:text="Choose App" />
+                android:text="@string/settings_choose_btn" />
         </TableRow>
 
         <TableRow
@@ -75,7 +77,9 @@
                 android:id="@+id/text_down"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:text="Swipe Down"
+                android:paddingLeft="10sp"
+                android:paddingRight="10sp"
+                android:text="@string/settings_choose_down"
                 android:textColor="#ccc"
                 android:textSize="24sp" />
 
@@ -85,7 +89,7 @@
                 android:layout_height="wrap_content"
                 android:alpha=".8"
                 android:onClick="chooseDownApp"
-                android:text="Choose App" />
+                android:text="@string/settings_choose_btn" />
 
         </TableRow>
 
@@ -97,7 +101,9 @@
                 android:id="@+id/text_left"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:text="Swipe Left"
+                android:paddingLeft="10sp"
+                android:paddingRight="10sp"
+                android:text="@string/settings_choose_left"
                 android:textColor="#ccc"
                 android:textSize="24sp" />
 
@@ -107,7 +113,7 @@
                 android:layout_height="wrap_content"
                 android:alpha=".8"
                 android:onClick="chooseLeftApp"
-                android:text="Choose App" />
+                android:text="@string/settings_choose_btn" />
         </TableRow>
 
         <TableRow
@@ -118,7 +124,9 @@
                 android:id="@+id/text_right"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:text="Swipe Right"
+                android:paddingLeft="10sp"
+                android:paddingRight="10sp"
+                android:text="@string/settings_choose_right"
                 android:textColor="#ccc"
                 android:textSize="24sp" />
 
@@ -128,7 +136,7 @@
                 android:layout_height="wrap_content"
                 android:alpha=".8"
                 android:onClick="chooseRightApp"
-                android:text="Choose App" />
+                android:text="@string/settings_choose_btn" />
 
         </TableRow>
 
@@ -140,7 +148,9 @@
                 android:id="@+id/text_vol_up"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:text="Volume Up"
+                android:paddingLeft="10sp"
+                android:paddingRight="10sp"
+                android:text="@string/settings_choose_vol_up"
                 android:textColor="#ccc"
                 android:textSize="24sp" />
 
@@ -150,7 +160,7 @@
                 android:layout_height="wrap_content"
                 android:alpha=".8"
                 android:onClick="chooseVolumeUpApp"
-                android:text="Choose App" />
+                android:text="@string/settings_choose_btn" />
         </TableRow>
 
         <TableRow
@@ -161,7 +171,9 @@
                 android:id="@+id/text_vol_down"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:text="Volume Down   "
+                android:paddingLeft="10sp"
+                android:paddingRight="10sp"
+                android:text="@string/settings_choose_vol_down"
                 android:textColor="#ccc"
                 android:textSize="24sp" />
 
@@ -171,7 +183,7 @@
                 android:layout_height="wrap_content"
                 android:alpha=".8"
                 android:onClick="chooseVolumeDownApp"
-                android:text="Choose App" />
+                android:text="@string/settings_choose_btn" />
 
         </TableRow>
 
@@ -181,7 +193,7 @@
         android:id="@+id/sub_head_2"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Actions"
+        android:text="@string/settings_sub_title2"
         android:textColor="#999"
         android:textSize="18sp"
         app:layout_constraintBottom_toBottomOf="@id/buttons"
@@ -193,7 +205,7 @@
 
     <TableLayout
         android:id="@+id/buttons"
-        android:layout_width="0dp"
+        android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
@@ -207,18 +219,20 @@
             android:gravity="center">
 
             <Button
+                style="@style/Widget.AppCompat.Button"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:alpha=".3"
                 android:onClick="setLauncher"
-                android:text="Select Launcher" />
+                android:text="@string/settings_select_launcher" />
 
             <Button
+                style="@style/Widget.AppCompat.Button"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:alpha=".3"
                 android:onClick="resetSettingsClick"
-                android:text="Reset Settings" />
+                android:text="@string/settings_reset" />
 
         </TableRow>
 
@@ -228,18 +242,20 @@
             android:gravity="center">
 
             <Button
+                style="@style/Widget.AppCompat.Button"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:alpha=".3"
                 android:onClick="chooseLaunchApp"
-                android:text="Launch Apps" />
+                android:text="@string/settings_launch" />
 
             <Button
+                style="@style/Widget.AppCompat.Button"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:alpha=".3"
                 android:onClick="chooseUninstallApp"
-                android:text="Uninstall Apps" />
+                android:text="@string/settings_uninstall" />
 
         </TableRow>
 
@@ -252,30 +268,25 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:onClick="backHome"
-                android:text="Back Home" />
+                android:text="@string/settings_home" />
         </TableRow>
 
     </TableLayout>
 
-    <TableLayout
+    <LinearLayout
-        android:id="@+id/about_footer"
+        android:layout_width="wrap_content"
-        android:layout_width="0dp"
         android:layout_height="wrap_content"
+        android:orientation="horizontal"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/actionschooser"
+        app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.9">
+        app:layout_constraintVertical_bias="0.95">
-
-        <TableRow
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:gravity="center">
 
         <TextView
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-                android:text="By "
+            android:text="@string/settings_footer_by"
             android:textColor="#999"
             android:textSize="18sp" />
 
@@ -285,14 +296,16 @@
             android:onClick="openFinnWebsite"
             android:text=" Finn M Glas"
             android:textColor="?attr/colorAccent"
-                android:textSize="18sp" />
+            android:textSize="18sp"
+            tools:ignore="HardcodedText" />
 
         <TextView
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:text=" | "
             android:textColor="#999"
-                android:textSize="18sp" />
+            android:textSize="18sp"
+            tools:ignore="HardcodedText" />
 
         <TextView
             android:layout_width="wrap_content"
@@ -300,9 +313,8 @@
             android:onClick="openGithubRepo"
             android:text="Open Source"
             android:textColor="?attr/colorAccent"
-                android:textSize="18sp" />
+            android:textSize="18sp"
-        </TableRow>
+            tools:ignore="HardcodedText" />
-
+    </LinearLayout>
-    </TableLayout>
 
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -3,6 +3,27 @@
     <string name="app_name">Launcher</string>
     <string name="preference_file_key">V3RYR4ND0MK3YCR4P</string>
 
+    <!-- Settings -->
+    <string name="settings_title">Settings</string>
+    <string name="settings_sub_title1">Applications</string>
+    <string name="settings_sub_title2">Actions</string>
+
+    <string name="settings_choose_up">Swipe Up</string>
+    <string name="settings_choose_down">Swipe Down</string>
+    <string name="settings_choose_left">Swipe Left</string>
+    <string name="settings_choose_right">Swipe Right</string>
+    <string name="settings_choose_vol_up">Volume Up</string>
+    <string name="settings_choose_vol_down">Volume Down</string>
+    <string name="settings_choose_btn">Choose App</string>
+
+    <string name="settings_select_launcher">Select Launcher</string>
+    <string name="settings_reset">Reset Settings</string>
+    <string name="settings_launch">Launch Apps</string>
+    <string name="settings_uninstall">Uninstall Apps</string>
+    <string name="settings_home">Back Home</string>
+
+    <string name="settings_footer_by">By</string>
+
     <!-- Errors, Exceptions (Alerts, Toasts ...) -->
     <string name="none_found">None found</string>