diff --git a/src/com/android/settings/widget/LabeledSeekBar.java b/src/com/android/settings/widget/LabeledSeekBar.java index 9463bf7569b..35a7d1b340e 100644 --- a/src/com/android/settings/widget/LabeledSeekBar.java +++ b/src/com/android/settings/widget/LabeledSeekBar.java @@ -29,6 +29,7 @@ import android.view.accessibility.AccessibilityEvent; import android.widget.RadioButton; import android.widget.RadioGroup; import android.widget.SeekBar; +import android.widget.SeekBar.OnSeekBarChangeListener; import java.util.List; @@ -148,6 +149,22 @@ public class LabeledSeekBar extends SeekBar { public LabeledSeekBar(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { super(context, attrs, defStyleAttr, defStyleRes); + super.setOnSeekBarChangeListener(new OnSeekBarChangeListener() { + @Override + public void onStopTrackingTouch(SeekBar seekBar) { + // Do nothing + } + + @Override + public void onStartTrackingTouch(SeekBar seekBar) { + // Do nothing + } + + @Override + public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { + sendClickEventForAccessibility(progress); + } + }); } @Override @@ -163,6 +180,30 @@ public class LabeledSeekBar extends SeekBar { mLabels = labels; } + @Override + public void setOnSeekBarChangeListener(final OnSeekBarChangeListener l) { + // Tweak the listener to send accessibility event on progress changed. + OnSeekBarChangeListener l2 = new OnSeekBarChangeListener() { + @Override + public void onStopTrackingTouch(SeekBar seekBar) { + l.onStopTrackingTouch(seekBar); + } + + @Override + public void onStartTrackingTouch(SeekBar seekBar) { + l.onStartTrackingTouch(seekBar); + } + + @Override + public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { + l.onProgressChanged(seekBar, progress, fromUser); + sendClickEventForAccessibility(progress); + } + }; + + super.setOnSeekBarChangeListener(l2); + } + @Override protected void onAttachedToWindow() { super.onAttachedToWindow(); @@ -185,4 +226,11 @@ public class LabeledSeekBar extends SeekBar { return super.dispatchHoverEvent(event); } + + private void sendClickEventForAccessibility(int progress) { + if (mAccessHelper != null) { + mAccessHelper.invalidateRoot(); + mAccessHelper.sendEventForVirtualView(progress, AccessibilityEvent.TYPE_VIEW_CLICKED); + } + } }