mirror of
https://github.com/Julow/Unexpected-Keyboard.git
synced 2024-11-27 09:43:17 +01:00
128 lines
3.0 KiB
Java
128 lines
3.0 KiB
Java
package juloo.common;
|
|
|
|
import android.content.Context;
|
|
import android.content.res.TypedArray;
|
|
import android.preference.DialogPreference;
|
|
import android.util.AttributeSet;
|
|
import android.view.View;
|
|
import android.view.ViewGroup;
|
|
import android.widget.LinearLayout;
|
|
import android.widget.TextView;
|
|
import android.widget.SeekBar;
|
|
|
|
/*
|
|
** SideBarPreference
|
|
** -
|
|
** Open a dialog showing a seekbar
|
|
** -
|
|
** xml attrs:
|
|
** android:defaultValue Default value (float)
|
|
** min min value (float)
|
|
** max max value (float)
|
|
** -
|
|
** Summary field allow to show the current value using %f or %s flag
|
|
*/
|
|
public class SlideBarPreference extends DialogPreference
|
|
implements SeekBar.OnSeekBarChangeListener
|
|
{
|
|
private static final int STEPS = 100;
|
|
|
|
private LinearLayout _layout;
|
|
private TextView _textView;
|
|
private SeekBar _seekBar;
|
|
|
|
private float _min;
|
|
private float _max;
|
|
private float _value;
|
|
|
|
private String _initialSummary;
|
|
|
|
public SlideBarPreference(Context context, AttributeSet attrs)
|
|
{
|
|
super(context, attrs);
|
|
_initialSummary = getSummary().toString();
|
|
_textView = new TextView(context);
|
|
_textView.setPadding(48, 40, 48, 40);
|
|
_seekBar = new SeekBar(context);
|
|
_seekBar.setOnSeekBarChangeListener(this);
|
|
_seekBar.setMax(STEPS);
|
|
_min = float_of_string(attrs.getAttributeValue(null, "min"));
|
|
_value = _min;
|
|
_max = Math.max(1f, float_of_string(attrs.getAttributeValue(null, "max")));
|
|
_layout = new LinearLayout(getContext());
|
|
_layout.setOrientation(LinearLayout.VERTICAL);
|
|
_layout.addView(_textView);
|
|
_layout.addView(_seekBar);
|
|
}
|
|
|
|
@Override
|
|
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser)
|
|
{
|
|
_value = Math.round(progress * (_max - _min)) / (float)STEPS + _min;
|
|
updateText();
|
|
}
|
|
|
|
@Override
|
|
public void onStartTrackingTouch(SeekBar seekBar)
|
|
{
|
|
}
|
|
|
|
@Override
|
|
public void onStopTrackingTouch(SeekBar seekBar)
|
|
{
|
|
}
|
|
|
|
@Override
|
|
protected void onSetInitialValue(boolean restorePersistedValue, Object defaultValue)
|
|
{
|
|
if (restorePersistedValue)
|
|
{
|
|
_value = getPersistedFloat(_min);
|
|
}
|
|
else
|
|
{
|
|
_value = (Float)defaultValue;
|
|
persistFloat(_value);
|
|
}
|
|
_seekBar.setProgress((int)((_value - _min) * STEPS / (_max - _min)));
|
|
updateText();
|
|
}
|
|
|
|
@Override
|
|
protected Object onGetDefaultValue(TypedArray a, int index)
|
|
{
|
|
return (a.getFloat(index, _min));
|
|
}
|
|
|
|
@Override
|
|
protected void onDialogClosed(boolean positiveResult)
|
|
{
|
|
if (positiveResult)
|
|
persistFloat(_value);
|
|
}
|
|
|
|
protected View onCreateDialogView()
|
|
{
|
|
ViewGroup parent = (ViewGroup)_layout.getParent();
|
|
|
|
if (parent != null)
|
|
parent.removeView(_layout);
|
|
return (_layout);
|
|
}
|
|
|
|
private void updateText()
|
|
{
|
|
String f = String.format(_initialSummary, _value);
|
|
|
|
_textView.setText(f);
|
|
setSummary(f);
|
|
}
|
|
|
|
private static float float_of_string(String str)
|
|
{
|
|
if (str == null)
|
|
return (0f);
|
|
return (Float.parseFloat(str));
|
|
}
|
|
}
|