Java 类android.widget.SeekBar.OnSeekBarChangeListener 实例源码

/**
 * Initializes the views.
 *
 * @param rootView View that contains all the content, such as the label, gradient view, etc.
 * @param textResourceId The resource ID of the text to show on the label.
 * @param seekBarMax The range of the seek bar.
 * @param seekBarListener The listener for when the seek bar value changes.
 */
ColorPickerAdvancedComponent(final View rootView,
        final int textResourceId,
        final int seekBarMax,
        final OnSeekBarChangeListener seekBarListener) {
    mGradientView = rootView.findViewById(R.id.gradient);
    mText = (TextView) rootView.findViewById(R.id.text);
    mText.setText(textResourceId);
    mGradientDrawable = new GradientDrawable(GradientDrawable.Orientation.LEFT_RIGHT, null);
    mSeekBar = (SeekBar) rootView.findViewById(R.id.seek_bar);
    mSeekBar.setOnSeekBarChangeListener(seekBarListener);
    mSeekBar.setMax(seekBarMax);
    // Setting the thumb offset means the seek bar thumb can move all the way to each end
    // of the gradient view.
    Context context = rootView.getContext();
    int offset = ApiCompatibilityUtils.getDrawable(context.getResources(),
            R.drawable.color_picker_advanced_select_handle).getIntrinsicWidth();
    mSeekBar.setThumbOffset(offset / 2);
}

/**
 * Initializes the views.
 *
 * @param rootView View that contains all the content, such as the label, gradient view, etc.
 * @param textResourceId The resource ID of the text to show on the label.
 * @param seekBarMax The range of the seek bar.
 * @param seekBarListener The listener for when the seek bar value changes.
 */
ColorPickerAdvancedComponent(final View rootView,
        final int textResourceId,
        final int seekBarMax,
        final OnSeekBarChangeListener seekBarListener) {
    mGradientView = rootView.findViewById(R.id.gradient);
    mText = (TextView) rootView.findViewById(R.id.text);
    mText.setText(textResourceId);
    mGradientDrawable = new GradientDrawable(GradientDrawable.Orientation.LEFT_RIGHT, null);
    mSeekBar = (SeekBar) rootView.findViewById(R.id.seek_bar);
    mSeekBar.setOnSeekBarChangeListener(seekBarListener);
    mSeekBar.setMax(seekBarMax);
    // Setting the thumb offset means the seek bar thumb can move all the way to each end
    // of the gradient view.
    Context context = rootView.getContext();
    int offset = context.getResources()
                        .getDrawable(R.drawable.color_picker_advanced_select_handle)
                        .getIntrinsicWidth();
    mSeekBar.setThumbOffset(offset / 2);
}

/**
 * Initializes the views.
 *
 * @param rootView View that contains all the content, such as the label, gradient view, etc.
 * @param textResourceId The resource ID of the text to show on the label.
 * @param seekBarMax The range of the seek bar.
 * @param seekBarListener The listener for when the seek bar value changes.
 */
ColorPickerAdvancedComponent(final View rootView,
        final int textResourceId,
        final int seekBarMax,
        final OnSeekBarChangeListener seekBarListener) {
    mGradientView = rootView.findViewById(R.id.gradient);
    mText = (TextView) rootView.findViewById(R.id.text);
    mText.setText(textResourceId);
    mGradientDrawable = new GradientDrawable(GradientDrawable.Orientation.LEFT_RIGHT, null);
    mSeekBar = (SeekBar) rootView.findViewById(R.id.seek_bar);
    mSeekBar.setOnSeekBarChangeListener(seekBarListener);
    mSeekBar.setMax(seekBarMax);
    // Setting the thumb offset means the seek bar thumb can move all the way to each end
    // of the gradient view.
    Context context = rootView.getContext();
    int offset = context.getResources()
                        .getDrawable(R.drawable.color_picker_advanced_select_handle)
                        .getIntrinsicWidth();
    mSeekBar.setThumbOffset(offset / 2);
}

/**
 * Initializes the views.
 *
 * @param rootView View that contains all the content, such as the label, gradient view, etc.
 * @param textResourceId The resource ID of the text to show on the label.
 * @param seekBarMax The range of the seek bar.
 * @param seekBarListener The listener for when the seek bar value changes.
 */
ColorPickerAdvancedComponent(final View rootView,
        final int textResourceId,
        final int seekBarMax,
        final OnSeekBarChangeListener seekBarListener) {
    mGradientView = rootView.findViewById(R.id.gradient);
    mText = (TextView) rootView.findViewById(R.id.text);
    mText.setText(textResourceId);
    mGradientDrawable = new GradientDrawable(GradientDrawable.Orientation.LEFT_RIGHT, null);
    mSeekBar = (SeekBar) rootView.findViewById(R.id.seek_bar);
    mSeekBar.setOnSeekBarChangeListener(seekBarListener);
    mSeekBar.setMax(seekBarMax);
    // Setting the thumb offset means the seek bar thumb can move all the way to each end
    // of the gradient view.
    Context context = rootView.getContext();
    int offset = context.getResources()
                        .getDrawable(R.drawable.color_picker_advanced_select_handle)
                        .getIntrinsicWidth();
    mSeekBar.setThumbOffset(offset / 2);
}

/**
 * Initializes the views.
 *
 * @param rootView View that contains all the content, such as the label, gradient view, etc.
 * @param textResourceId The resource ID of the text to show on the label.
 * @param seekBarMax The range of the seek bar.
 * @param seekBarListener The listener for when the seek bar value changes.
 */
ColorPickerAdvancedComponent(final View rootView,
        final int textResourceId,
        final int seekBarMax,
        final OnSeekBarChangeListener seekBarListener) {
    mGradientView = rootView.findViewById(R.id.gradient);
    mText = (TextView) rootView.findViewById(R.id.text);
    mText.setText(textResourceId);
    mGradientDrawable = new GradientDrawable(GradientDrawable.Orientation.LEFT_RIGHT, null);
    mSeekBar = (SeekBar) rootView.findViewById(R.id.seek_bar);
    mSeekBar.setOnSeekBarChangeListener(seekBarListener);
    mSeekBar.setMax(seekBarMax);
    // Setting the thumb offset means the seek bar thumb can move all the way to each end
    // of the gradient view.
    Context context = rootView.getContext();
    int offset = context.getResources()
                        .getDrawable(R.drawable.color_picker_advanced_select_handle)
                        .getIntrinsicWidth();
    mSeekBar.setThumbOffset(offset / 2);
}

/**
 * 設置進度條的進度改變時的監聽事件
 * @param l
 */
public void setOnSeekBarChangeListener(OnSeekBarChangeListener l){
    if(m_seekBars[0] == null ||m_seekBars[1] == null){
        return;
    }

    m_seekBars[0].setOnSeekBarChangeListener(l);
}

/**
 * Creates a new GradientDetails object from the parameters provided, initializes it,
 * and adds it to this advanced view.
 *
 * @param textResourceId The text to display for the label.
 * @param seekBarMax The maximum value of the seek bar for the gradient.
 * @param seekBarListener Object listening to when the user changes the seek bar.
 *
 * @return A new GradientDetails object initialized with the given parameters.
 */
public ColorPickerAdvancedComponent createAndAddNewGradient(int textResourceId,
        int seekBarMax,
        OnSeekBarChangeListener seekBarListener) {
    LayoutInflater inflater = (LayoutInflater) getContext()
            .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    View newComponent = inflater.inflate(R.layout.color_picker_advanced_component, null);
    addView(newComponent);

    return new ColorPickerAdvancedComponent(newComponent,
            textResourceId,
            seekBarMax,
            seekBarListener);
}

public OnSeekBarChangeListener setOnSeekBarChangeListener(OnSeekBarChangeListener l) {
  if (l instanceof ProxyChangeListener) {
    listener = (ProxyChangeListener) l;
  } else {
    listener.setExternalListener(l);
  }
  return listener;
}

/**
 * Creates a new GradientDetails object from the parameters provided, initializes it,
 * and adds it to this advanced view.
 *
 * @param textResourceId The text to display for the label.
 * @param seekBarMax The maximum value of the seek bar for the gradient.
 * @param seekBarListener Object listening to when the user changes the seek bar.
 *
 * @return A new GradientDetails object initialized with the given parameters.
 */
public ColorPickerAdvancedComponent createAndAddNewGradient(int textResourceId,
        int seekBarMax,
        OnSeekBarChangeListener seekBarListener) {
    LayoutInflater inflater = (LayoutInflater) getContext()
            .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    View newComponent = inflater.inflate(R.layout.color_picker_advanced_component, null);
    addView(newComponent);

    return new ColorPickerAdvancedComponent(newComponent,
            textResourceId,
            seekBarMax,
            seekBarListener);
}

/**
 * Creates a new GradientDetails object from the parameters provided, initializes it,
 * and adds it to this advanced view.
 *
 * @param textResourceId The text to display for the label.
 * @param seekBarMax The maximum value of the seek bar for the gradient.
 * @param seekBarListener Object listening to when the user changes the seek bar.
 *
 * @return A new GradientDetails object initialized with the given parameters.
 */
public ColorPickerAdvancedComponent createAndAddNewGradient(int textResourceId,
        int seekBarMax,
        OnSeekBarChangeListener seekBarListener) {
    LayoutInflater inflater = (LayoutInflater) getContext()
            .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    View newComponent = inflater.inflate(R.layout.color_picker_advanced_component, null);
    addView(newComponent);

    return new ColorPickerAdvancedComponent(newComponent,
            textResourceId,
            seekBarMax,
            seekBarListener);
}

/**
 * Creates a new GradientDetails object from the parameters provided, initializes it,
 * and adds it to this advanced view.
 *
 * @param textResourceId The text to display for the label.
 * @param seekBarMax The maximum value of the seek bar for the gradient.
 * @param seekBarListener Object listening to when the user changes the seek bar.
 *
 * @return A new GradientDetails object initialized with the given parameters.
 */
public ColorPickerAdvancedComponent createAndAddNewGradient(int textResourceId,
        int seekBarMax,
        OnSeekBarChangeListener seekBarListener) {
    LayoutInflater inflater = (LayoutInflater) getContext()
            .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    View newComponent = inflater.inflate(R.layout.color_picker_advanced_component, null);
    addView(newComponent);

    return new ColorPickerAdvancedComponent(newComponent,
            textResourceId,
            seekBarMax,
            seekBarListener);
}

/**
 * Creates a new GradientDetails object from the parameters provided, initializes it,
 * and adds it to this advanced view.
 *
 * @param textResourceId The text to display for the label.
 * @param seekBarMax The maximum value of the seek bar for the gradient.
 * @param seekBarListener Object listening to when the user changes the seek bar.
 *
 * @return A new GradientDetails object initialized with the given parameters.
 */
public ColorPickerAdvancedComponent createAndAddNewGradient(int textResourceId,
        int seekBarMax,
        OnSeekBarChangeListener seekBarListener) {
    LayoutInflater inflater = (LayoutInflater) getContext()
            .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    View newComponent = inflater.inflate(R.layout.color_picker_advanced_component, null);
    addView(newComponent);

    return new ColorPickerAdvancedComponent(newComponent,
            textResourceId,
            seekBarMax,
            seekBarListener);
}

/**
* @see SeekBar#setOnSeekBarChangeListener(OnSeekBarChangeListener)
*/
 public W setOnSeekBarChangeListener(OnSeekBarChangeListener l) {
     mView.setOnSeekBarChangeListener(l);
     return (W) this;
 }

private OnSeekBarChangeListener createVolumeChangeListener() {
    return createShortLevelChangeListener(TGUpdateChannelAction.ATTRIBUTE_VOLUME);
}

private OnSeekBarChangeListener createBalanceChangeListener() {
    return createShortLevelChangeListener(TGUpdateChannelAction.ATTRIBUTE_BALANCE);
}

private OnSeekBarChangeListener createReverbChangeListener() {
    return createShortLevelChangeListener(TGUpdateChannelAction.ATTRIBUTE_REVERB);
}

private OnSeekBarChangeListener createChorusChangeListener() {
    return createShortLevelChangeListener(TGUpdateChannelAction.ATTRIBUTE_CHORUS);
}

private OnSeekBarChangeListener createPhaserChangeListener() {
    return createShortLevelChangeListener(TGUpdateChannelAction.ATTRIBUTE_PHASER);
}

private OnSeekBarChangeListener createTremoloChangeListener() {
    return createShortLevelChangeListener(TGUpdateChannelAction.ATTRIBUTE_TREMOLO);
}

public void setOnSeekBarChangeListener(OnSeekBarChangeListener onSeekBarChangeListener) {
    getSeekbar().setOnSeekBarChangeListener(onSeekBarChangeListener);
}

private OnSeekBarChangeListener createVolumeChangeListener() {
    return createShortLevelChangeListener(TGUpdateChannelAction.ATTRIBUTE_VOLUME);
}

private OnSeekBarChangeListener createBalanceChangeListener() {
    return createShortLevelChangeListener(TGUpdateChannelAction.ATTRIBUTE_BALANCE);
}

private OnSeekBarChangeListener createReverbChangeListener() {
    return createShortLevelChangeListener(TGUpdateChannelAction.ATTRIBUTE_REVERB);
}

private OnSeekBarChangeListener createChorusChangeListener() {
    return createShortLevelChangeListener(TGUpdateChannelAction.ATTRIBUTE_CHORUS);
}

private OnSeekBarChangeListener createPhaserChangeListener() {
    return createShortLevelChangeListener(TGUpdateChannelAction.ATTRIBUTE_PHASER);
}

private OnSeekBarChangeListener createTremoloChangeListener() {
    return createShortLevelChangeListener(TGUpdateChannelAction.ATTRIBUTE_TREMOLO);
}

public void setOnSeekBarPrefChangeListener(OnSeekBarChangeListener listener) {
    mExternalListener = listener;
}

@BindingAdapter("onSeekListener")
public static void bindOnSeekListener(SeekBar seekBar, OnSeekBarChangeListener listener) {
    seekBar.setOnSeekBarChangeListener(listener);
}

public void setOnSeekBarChangeListener (OnSeekBarChangeListener onSeekBarChangeListener) {
    this.onSeekBarChangeListener = onSeekBarChangeListener;
}

public void setInternalListener(OnSeekBarChangeListener l) {
  mInternalListener = l;
}

public void setExternalListener(OnSeekBarChangeListener l) {
  mExternalListener = l;
}

public void setOnSeekBarPrefChangeListener(OnSeekBarChangeListener listener) {
    mExternalListener = listener;
}

/** Sets an additional OnSeekBarChangeListener to be called after the
 * helper performs its actions.
 * @param extraListener The listener to append to this.  */
public void setOnSeekBarChangeListener(OnSeekBarChangeListener extraListener) {
    this.extraListener = extraListener;
}

/**
 * Set a listener for events from the SeekBar.
 * @param listener The listener.
 */
public void setOnSeekBarChangeListener(OnSeekBarChangeListener listener) {
    mListener = listener;
}

/**
 * For testing.
 * 
 * @return listener.
 */
OnSeekBarChangeListener getListener() {
    return mListener;
}