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Convert SettingsFragment to Kotlin

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Billy Brawner 2019-05-18 08:06:27 -07:00 committed by William Brawner
parent 9b6bc58021
commit 8713c1e5e6
2 changed files with 63 additions and 69 deletions
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69
app/src/main/java/com/wbrawner/simplemarkdown/view/fragment/SettingsFragment.java
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@ -1,69 +0,0 @@
package com.wbrawner.simplemarkdown.view.fragment;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceFragment;
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import androidx.annotation.Nullable;
import com.wbrawner.simplemarkdown.BuildConfig;
import com.wbrawner.simplemarkdown.R;
public class SettingsFragment extends PreferenceFragment
implements SharedPreferences.OnSharedPreferenceChangeListener {
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.pref_general);
SharedPreferences sharedPreferences =
PreferenceManager.getDefaultSharedPreferences(getActivity());
sharedPreferences.registerOnSharedPreferenceChangeListener(this);
setListPreferenceSummary(
sharedPreferences,
findPreference(getString(R.string.key_default_view))
);
if (!BuildConfig.ENABLE_CUSTOM_CSS) {
getPreferenceScreen().removePreference(findPreference(getString(R.string.pref_custom_css)));
}
}
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
@Nullable Bundle savedInstanceState) {
return inflater.inflate(R.layout.preference_list_fragment_safe, container, false);
}
@Override
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
Preference preference = findPreference(key);
if (preference instanceof ListPreference) {
setListPreferenceSummary(sharedPreferences, preference);
}
}
private void setListPreferenceSummary(SharedPreferences sharedPreferences, Preference preference) {
ListPreference listPreference = (ListPreference) preference;
String storedValue = sharedPreferences.getString(preference.getKey(), "");
if (storedValue.isEmpty()) {
return;
}
int index = 0;
try {
index = Integer.valueOf(storedValue);
} catch (NumberFormatException e) {
// TODO: Report this?
Log.e("SimpleMarkdown", "Unable to parse " + storedValue + " to integer");
}
String summary = listPreference.getEntries()[index].toString();
preference.setSummary(summary);
}
}

63
app/src/main/java/com/wbrawner/simplemarkdown/view/fragment/SettingsFragment.kt Normal file
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package com.wbrawner.simplemarkdown.view.fragment
import android.content.SharedPreferences
import android.os.Bundle
import android.preference.ListPreference
import android.preference.Preference
import android.preference.PreferenceFragment
import android.preference.PreferenceManager
import android.util.Log
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import com.wbrawner.simplemarkdown.BuildConfig
import com.wbrawner.simplemarkdown.R
class SettingsFragment : PreferenceFragment(), SharedPreferences.OnSharedPreferenceChangeListener {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
addPreferencesFromResource(R.xml.pref_general)
val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(activity)
sharedPreferences.registerOnSharedPreferenceChangeListener(this)
setListPreferenceSummary(
sharedPreferences,
findPreference(getString(R.string.key_default_view))
)
if (!BuildConfig.ENABLE_CUSTOM_CSS) {
preferenceScreen.removePreference(findPreference(getString(R.string.pref_custom_css)))
}
}
override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?,
savedInstanceState: Bundle?): View? {
return inflater.inflate(R.layout.preference_list_fragment_safe, container, false)
}
override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences, key: String) {
val preference = findPreference(key)
if (preference is ListPreference) {
setListPreferenceSummary(sharedPreferences, preference)
}
}
private fun setListPreferenceSummary(sharedPreferences: SharedPreferences, preference: Preference) {
val listPreference = preference as ListPreference
val storedValue = sharedPreferences.getString(preference.getKey(), "")
if (storedValue!!.isEmpty()) {
return
}
var index = 0
try {
index = Integer.valueOf(storedValue)
} catch (e: NumberFormatException) {
// TODO: Report this?
Log.e("SimpleMarkdown", "Unable to parse $storedValue to integer")
}
val summary = listPreference.entries[index].toString()
preference.setSummary(summary)
}
}