Mega Code Archive
Extends DialogPreference
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//package org.ametro.util;
import android.content.Context;
import android.preference.DialogPreference;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.SeekBar;
import android.widget.TextView;
public class BarPreference extends DialogPreference implements SeekBar.OnSeekBarChangeListener {
private static final String androidns = "http://schemas.android.com/apk/res/android";
private SeekBar mBar;
private TextView mMessageText, mValueText;
private String mPostfix;
private int mDefault = 0;
private int mMax = 100;
private int mValue = 0;
public BarPreference(Context context, AttributeSet attrs) {
super(context, attrs);
mPostfix = attrs.getAttributeValue(androidns, "postfix");
mDefault = attrs.getAttributeIntValue(androidns, "defaultValue", 0);
mMax = attrs.getAttributeIntValue(androidns, "max", 100);
}
public void onProgressChanged(SeekBar seek, int value, boolean fromTouch) {
String valueText = String.valueOf(value);
mValueText.setText(mPostfix == null ? valueText : valueText + mPostfix);
if (shouldPersist()){
persistInt(value);
}
callChangeListener(new Integer(value));
}
public void onStartTrackingTouch(SeekBar seek) {
}
public void onStopTrackingTouch(SeekBar seek) {
}
protected View onCreateDialogView() {
LinearLayout container = new LinearLayout(getContext());
container.setOrientation(LinearLayout.VERTICAL);
container.setPadding(10, 5, 10, 5);
mMessageText = new TextView(getContext());
mMessageText.setText(getSummary());
container.addView(mMessageText);
mValueText = new TextView(getContext());
mValueText.setGravity(Gravity.CENTER_HORIZONTAL);
container.addView(mValueText, new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT));
mBar = new SeekBar(getContext());
mBar.setOnSeekBarChangeListener(this);
mBar.setPadding(5, 0, 5, 0);
container.addView(mBar, new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT));
if (shouldPersist()){
mValue = getPersistedInt(mDefault);
}
mBar.setMax(mMax);
mBar.setProgress(mValue);
return container;
}
protected void onBindDialogView(View v) {
super.onBindDialogView(v);
mBar.setMax(mMax);
mBar.setProgress(mValue);
}
protected void onSetInitialValue(boolean restore, Object defaultValue) {
super.onSetInitialValue(restore, defaultValue);
if (restore)
mValue = shouldPersist() ? getPersistedInt(mDefault) : 0;
else
mValue = (Integer) defaultValue;
}
}
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