@Override
protected void onBindDialogView(View view) {
super.onBindDialogView(view);
dialogEqualizer = (EqualizerSurface) view.findViewById(R.id.FrequencyResponse);
dialogEqualizer.setOnTouchListener(
new OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
float x = event.getX();
float y = event.getY();
int band = dialogEqualizer.findClosest(x);
int wy = v.getHeight();
float level =
(y / wy) * (EqualizerSurface.MIN_DB - EqualizerSurface.MAX_DB)
- EqualizerSurface.MIN_DB;
if (level < EqualizerSurface.MIN_DB) {
level = EqualizerSurface.MIN_DB;
}
if (level > EqualizerSurface.MAX_DB) {
level = EqualizerSurface.MAX_DB;
}
dialogEqualizer.setBand(band, level);
levels[band] = level;
refreshPreference(levels);
return true;
}
});
for (int i = 0; i < levels.length; i++) {
dialogEqualizer.setBand(i, levels[i]);
}
}
@Override
protected void onBindView(View view) {
super.onBindView(view);
listEqualizer = (EqualizerSurface) view.findViewById(R.id.FrequencyResponse);
for (int i = 0; i < levels.length; i++) {
listEqualizer.setBand(i, levels[i]);
}
}
@Override
protected void onDialogClosed(boolean positiveResult) {
if (positiveResult) {
initialLevels = Arrays.copyOf(levels, levels.length);
if (listEqualizer != null) {
for (int i = 0; i < levels.length; i++) {
listEqualizer.setBand(i, levels[i]);
}
}
refreshPreference(levels);
notifyChanged();
} else if (showedDialogCount == 1) {
levels = Arrays.copyOf(initialLevels, levels.length);
refreshPreference(levels);
notifyChanged();
}
showedDialogCount--;
}