skyline/app/src/main/java/emu/skyline/SettingsActivity.kt

94 lines
3.3 KiB
Kotlin

/*
* SPDX-License-Identifier: MPL-2.0
* Copyright © 2020 Skyline Team and Contributors (https://github.com/skyline-emu/)
*/
package emu.skyline
import android.os.Bundle
import android.view.KeyEvent
import android.view.View
import androidx.appcompat.app.AppCompatActivity
import androidx.preference.Preference
import androidx.preference.PreferenceFragmentCompat
import emu.skyline.databinding.SettingsActivityBinding
import emu.skyline.preference.IntegerListPreference
class SettingsActivity : AppCompatActivity() {
val binding by lazy { SettingsActivityBinding.inflate(layoutInflater) }
/**
* This is the instance of [PreferenceFragment] that is shown inside [R.id.settings]
*/
private val preferenceFragment = PreferenceFragment()
/**
* This initializes all of the elements in the activity and displays the settings fragment
*/
override fun onCreate(savedInstanceState : Bundle?) {
super.onCreate(savedInstanceState)
setContentView(binding.root)
setSupportActionBar(binding.titlebar.toolbar)
supportActionBar?.setDisplayHomeAsUpEnabled(true)
window.decorView.findViewById<View>(android.R.id.content).viewTreeObserver.addOnTouchModeChangeListener { isInTouchMode ->
if (!isInTouchMode) binding.titlebar.appBarLayout.setExpanded(false)
}
supportFragmentManager
.beginTransaction()
.replace(R.id.settings, preferenceFragment)
.commit()
}
/**
* This fragment is used to display all of the preferences
*/
class PreferenceFragment : PreferenceFragmentCompat() {
companion object {
private const val DIALOG_FRAGMENT_TAG = "androidx.preference.PreferenceFragment.DIALOG"
}
/**
* This constructs the preferences from [R.xml.preferences]
*/
override fun onCreatePreferences(savedInstanceState : Bundle?, rootKey : String?) {
setPreferencesFromResource(R.xml.preferences, rootKey)
}
override fun onDisplayPreferenceDialog(preference : Preference) {
if (preference is IntegerListPreference) {
// Check if dialog is already showing
if (parentFragmentManager.findFragmentByTag(DIALOG_FRAGMENT_TAG) != null)
return
val dialogFragment = IntegerListPreference.IntegerListPreferenceDialogFragmentCompat.newInstance(preference.getKey())
@Suppress("DEPRECATION")
dialogFragment.setTargetFragment(this, 0) // androidx.preference.PreferenceDialogFragmentCompat depends on the target fragment being set correctly even though it's deprecated
dialogFragment.show(parentFragmentManager, DIALOG_FRAGMENT_TAG)
} else {
super.onDisplayPreferenceDialog(preference)
}
}
}
/**
* This handles on calling [onBackPressed] when [KeyEvent.KEYCODE_BUTTON_B] is lifted
*/
override fun onKeyUp(keyCode : Int, event : KeyEvent?) : Boolean {
if (keyCode == KeyEvent.KEYCODE_BUTTON_B) {
onBackPressed()
return true
}
return super.onKeyUp(keyCode, event)
}
override fun finish() {
setResult(RESULT_OK)
super.finish()
}
}