android_packages_apps_Cherish/src/com/cherish/settings/fragments/CarrierLabel.java

/*
 * Copyright (C) 2020 The CherishOS Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.cherish.settings.fragments;

import android.app.AlertDialog;
import android.content.ContentResolver;
import android.content.DialogInterface;
import android.content.DialogInterface.OnCancelListener;
import android.content.Intent;
import android.os.Bundle;
import android.os.UserHandle;
import android.provider.Settings;
import android.text.Spannable;
import android.text.TextUtils;
import android.widget.EditText;
import androidx.preference.ListPreference;
import androidx.preference.Preference;
import androidx.preference.PreferenceCategory;
import androidx.preference.PreferenceScreen;
import androidx.preference.Preference.OnPreferenceChangeListener;
import androidx.preference.SwitchPreference;

import com.android.internal.logging.nano.MetricsProto;

import com.android.settings.R;
import com.android.settings.SettingsPreferenceFragment;

public class CarrierLabel extends SettingsPreferenceFragment
        implements Preference.OnPreferenceChangeListener {

    public static final String TAG = "CarrierLabel";
    private static final String CUSTOM_CARRIER_LABEL = "custom_carrier_label";

    private Preference mCarrierLabel;
    private String mCarrierLabelText;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        ContentResolver resolver = getActivity().getContentResolver();

        addPreferencesFromResource(R.xml.carrier_label);
        PreferenceScreen prefSet = getPreferenceScreen();

        mCarrierLabel = (Preference) findPreference(CUSTOM_CARRIER_LABEL);
        updateCustomLabelTextSummary();
    }

    @Override
    public boolean onPreferenceChange(Preference preference, Object newValue) {
        return false;
    }

    public boolean onPreferenceTreeClick(Preference preference) {
        ContentResolver resolver = getActivity().getContentResolver();
        boolean value;
        if (preference == mCarrierLabel) {
            AlertDialog.Builder alert = new AlertDialog.Builder(getActivity());
            alert.setTitle(R.string.custom_carrier_label_title);
            alert.setMessage(R.string.custom_carrier_label_explain);
            // Set an EditText view to get user input
            final EditText input = new EditText(getActivity());
            input.setText(TextUtils.isEmpty(mCarrierLabelText) ? "" : mCarrierLabelText);
            input.setSelection(input.getText().length());
            alert.setView(input);
            alert.setPositiveButton(getString(android.R.string.ok),
                    new DialogInterface.OnClickListener() {
                        public void onClick(DialogInterface dialog, int whichButton) {
                            String value = ((Spannable) input.getText()).toString().trim();
                            Settings.System.putString(resolver, Settings.System.CUSTOM_CARRIER_LABEL, value);
                            updateCustomLabelTextSummary();
                            Intent i = new Intent();
                            i.setAction(Intent.ACTION_CUSTOM_CARRIER_LABEL_CHANGED);
                            getActivity().sendBroadcast(i);
                }
            });
            alert.setNegativeButton(getString(android.R.string.cancel), null);
            alert.show();
            return true;
        }
        return false;
    }

    private void updateCustomLabelTextSummary() {
        mCarrierLabelText = Settings.System.getString(
            getContentResolver(), Settings.System.CUSTOM_CARRIER_LABEL);
        if (TextUtils.isEmpty(mCarrierLabelText)) {
            mCarrierLabel.setSummary(R.string.custom_carrier_label_notset);
        } else {
            mCarrierLabel.setSummary(mCarrierLabelText);
        }
    }

    @Override
    public int getMetricsCategory() {
        return MetricsProto.MetricsEvent.CHERISH_SETTINGS;
    }
}