78 lines
2.5 KiB
Java
78 lines
2.5 KiB
Java
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.widget;
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import android.content.Context;
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import androidx.preference.PreferenceScreen;
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import android.view.View;
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import android.widget.Button;
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import com.android.settings.R;
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import com.android.settings.core.BasePreferenceController;
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/**
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* Controller to update the button with two states(On vs Off).
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*/
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public abstract class TwoStateButtonPreferenceController extends BasePreferenceController
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implements View.OnClickListener {
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private Button mButtonOn;
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private Button mButtonOff;
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public TwoStateButtonPreferenceController(Context context, String key) {
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super(context, key);
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}
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@Override
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public void displayPreference(PreferenceScreen screen) {
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super.displayPreference(screen);
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final TwoStateButtonPreference preference =
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(TwoStateButtonPreference) screen.findPreference(getPreferenceKey());
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mButtonOn = preference.getStateOnButton();
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mButtonOn.setOnClickListener(this);
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mButtonOff = preference.getStateOffButton();
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mButtonOff.setOnClickListener(this);
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}
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protected void setButtonVisibility(boolean stateOn) {
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if (stateOn) {
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mButtonOff.setVisibility(View.GONE);
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mButtonOn.setVisibility(View.VISIBLE);
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} else {
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mButtonOff.setVisibility(View.VISIBLE);
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mButtonOn.setVisibility(View.GONE);
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}
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}
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protected void setButtonEnabled(boolean enabled) {
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mButtonOn.setEnabled(enabled);
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mButtonOff.setEnabled(enabled);
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}
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@Override
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public void onClick(View v) {
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final boolean stateOn = v.getId() == R.id.state_on_button;
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onButtonClicked(stateOn);
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}
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/**
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* Callback when button is clicked
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*
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* @param stateOn {@code true} if stateOn button is clicked, otherwise it means stateOff
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* button is clicked
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*/
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public abstract void onButtonClicked(boolean stateOn);
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} |