src/com/android/settings/SeekBarDialogPreference.java

/*
 * Copyright (C) 2007 The Android Open Source Project
 *           (C) 2022 Project Kaleidoscope
 *
 * 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.android.settings;

import android.content.Context;
import android.graphics.drawable.Drawable;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.view.View;
import android.widget.ImageView;
import android.widget.SeekBar;
import android.widget.TextView;

import com.android.settingslib.CustomDialogPreferenceCompat;
import com.android.settings.R;

/**
 * Based on frameworks/base/core/java/android/preference/SeekBarDialogPreference.java
 * except uses support lib preferences.
 */
public class SeekBarDialogPreference extends CustomDialogPreferenceCompat {
    private final Drawable mMyIcon;
    private TextView mTextView;

    public SeekBarDialogPreference(Context context, AttributeSet attrs) {
        super(context, attrs);
        setDialogLayoutResource(R.layout.preference_dialog_seekbar_material);

        createActionButtons();

        // Steal the XML dialogIcon attribute's value
        mMyIcon = getDialogIcon();

        setDialogIcon(null);
    }

    public SeekBarDialogPreference(Context context) {
        this(context, null);
    }

    // Allow subclasses to override the action buttons
    public void createActionButtons() {
        setPositiveButtonText(android.R.string.ok);
        setNegativeButtonText(android.R.string.cancel);
    }

    @Override
    protected void onBindDialogView(View view) {
        super.onBindDialogView(view);

        final ImageView iconView = (ImageView) view.findViewById(android.R.id.icon);
        if (mMyIcon != null) {
            iconView.setImageDrawable(mMyIcon);
        } else {
            iconView.setVisibility(View.GONE);
        }

        mTextView = view.findViewById(R.id.text);
    }

    public void setText(String text) {
        if (mTextView != null) {
            if (TextUtils.isEmpty(text)) {
                mTextView.setVisibility(View.GONE);
            } else {
                mTextView.setVisibility(View.VISIBLE);
            }
            mTextView.setText(text);
        }
    }

    protected static SeekBar getSeekBar(View dialogView) {
        return (SeekBar) dialogView.findViewById(R.id.seekbar);
    }
}