Created
June 19, 2021 13:30
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package com.sample.piview | |
import android.os.Bundle | |
import androidx.preference.Preference | |
import androidx.preference.PreferenceFragmentCompat | |
class SettingsPageFragment : PreferenceFragmentCompat() { | |
private val DIALOG_FRAGMENT_TAG = "NumberPickerDialog" | |
private lateinit var myPreference: NumberPickerPreference | |
override fun onCreate(savedInstanceState: Bundle?) { | |
super.onCreate(savedInstanceState) | |
parentFragmentManager.setFragmentResultListener("requestKey", this) | |
{ key, bundle -> | |
if (key == "requestKey") { | |
val result = bundle.getInt("result") | |
println("Got result $result") | |
myPreference.doPersistInt(result) | |
} else println("Wrong key : $key") | |
} | |
} | |
override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) { | |
setPreferencesFromResource(R.xml.preferences, rootKey) | |
} | |
override fun onDisplayPreferenceDialog(preference: Preference?) { | |
if (parentFragmentManager.findFragmentByTag(DIALOG_FRAGMENT_TAG) == null) { | |
if (preference is NumberPickerPreference) { | |
myPreference = preference | |
val dialog = NumberPickerPreferenceDialog.newInstance(preference.key) | |
dialog.setTargetFragment(this, 0) | |
dialog.show(parentFragmentManager, DIALOG_FRAGMENT_TAG) | |
} else super.onDisplayPreferenceDialog(preference) | |
} | |
} | |
} |
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