import android.app.AlertDialog;
import android.content.Context;
import android.provider.Settings;
import android.view.View;
import android.view.WindowManager;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
/*自定義一個MySeekBarDialog*/
public class MySeekBarDialog extends AlertDialog {
private SeekBar brightBar;//用於顯示屏幕亮度
private OnSeekbarChangedListener mListener;//監聽SeekBar事件，比如拖動等
/*獲取監聽對象*/
public OnSeekbarChangedListener getmListener() {
return mListener;
}
/*設置監聽對象*/
public void setmListener(OnSeekbarChangedListener mListener) {
this.mListener = mListener;
}
/*自定義構造函數用於初始化*/
protected MySeekBarDialog(Context context) {super(context);
View view = getLayoutInflater().inflate(R.layout.mydialog,null);
brightBar = (SeekBar) view.findViewById(R.id.brightSeekBar);
brightBar.setProgress((int) (android.provider.Settings.System.getInt(
context.getContentResolver(),
android.provider.Settings.System.SCREEN_BRIGHTNESS, 255) ));
setView(view);
brightBar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
@Override
public void onStopTrackingTouch(SeekBar arg0) {
// TODO Auto-generated method stub
}
@Override
public void onStartTrackingTouch(SeekBar arg0) {
// TODO Auto-generated method stub
}
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
mListener.onChange(progress);
}
});
}
public interface OnSeekbarChangedListener{
public void onChange(int progress);
}
}