extends DialogPreference : Dialog « UI « Android

extends DialogPreference

//package org.ametro.util;

import android.content.Context;
import android.preference.DialogPreference;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.SeekBar;
import android.widget.TextView;

public class BarPreference extends DialogPreference implements SeekBar.OnSeekBarChangeListener {
  private static final String androidns = "http://schemas.android.com/apk/res/android";

  private SeekBar mBar;
  private TextView mMessageText, mValueText;

  private String mPostfix;
  private int mDefault = 0;
  private int mMax = 100;
  private int mValue = 0;

  public BarPreference(Context context, AttributeSet attrs) {
    super(context, attrs);
    mPostfix = attrs.getAttributeValue(androidns, "postfix");
    mDefault = attrs.getAttributeIntValue(androidns, "defaultValue", 0);
    mMax = attrs.getAttributeIntValue(androidns, "max", 100);

  public void onProgressChanged(SeekBar seek, int value, boolean fromTouch) {
    String valueText = String.valueOf(value);
    mValueText.setText(mPostfix == null ? valueText : valueText + mPostfix);
    if (shouldPersist()){
    callChangeListener(new Integer(value));

  public void onStartTrackingTouch(SeekBar seek) {

  public void onStopTrackingTouch(SeekBar seek) {
  protected View onCreateDialogView() {
    LinearLayout container = new LinearLayout(getContext());
    container.setPadding(10, 5, 10, 5);

    mMessageText = new TextView(getContext());

    mValueText = new TextView(getContext());
    container.addView(mValueText, new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT));

    mBar = new SeekBar(getContext());
    mBar.setPadding(5, 0, 5, 0);
    container.addView(mBar, new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT));

    if (shouldPersist()){
      mValue = getPersistedInt(mDefault);

    return container;

  protected void onBindDialogView(View v) {

  protected void onSetInitialValue(boolean restore, Object defaultValue) {
    super.onSetInitialValue(restore, defaultValue);
    if (restore)
      mValue = shouldPersist() ? getPersistedInt(mDefault) : 0;
      mValue = (Integer) defaultValue;


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