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custom TimePreference dialog for preference activity
import android.content.Context;
import android.content.res.TypedArray;
import android.preference.DialogPreference;
import android.util.AttributeSet;
import android.view.View;
import android.widget.TimePicker;
public class TimePreference extends DialogPreference {
private int lastHour=0;
private int lastMinute=0;
private TimePicker picker=null;
public static int getHour(String time) {
String[] pieces=time.split(":");
return(Integer.parseInt(pieces[0]));
}
public static int getMinute(String time) {
String[] pieces=time.split(":");
return(Integer.parseInt(pieces[1]));
}
public TimePreference(Context ctxt, AttributeSet attrs) {
super(ctxt, attrs);
setPositiveButtonText("Set");
setNegativeButtonText("Cancel");
}
@Override
protected View onCreateDialogView() {
picker=new TimePicker(getContext());
return(picker);
}
@Override
protected void onBindDialogView(View v) {
super.onBindDialogView(v);
picker.setCurrentHour(lastHour);
picker.setCurrentMinute(lastMinute);
}
@Override
protected void onDialogClosed(boolean positiveResult) {
super.onDialogClosed(positiveResult);
if (positiveResult) {
lastHour=picker.getCurrentHour();
lastMinute=picker.getCurrentMinute();
String time=String.valueOf(lastHour)+":"+String.valueOf(lastMinute);
if (callChangeListener(time)) {
persistString(time);
}
}
}
@Override
protected Object onGetDefaultValue(TypedArray a, int index) {
return(a.getString(index));
}
@Override
protected void onSetInitialValue(boolean restoreValue, Object defaultValue) {
String time=null;
if (restoreValue) {
if (defaultValue==null) {
time=getPersistedString("00:00");
}
else {
time=getPersistedString(defaultValue.toString());
}
}
else {
time=defaultValue.toString();
}
lastHour=getHour(time);
lastMinute=getMinute(time);
}
}
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