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Added the ability to adjust the SeekBarPreference options in the Pref…
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…erenceActivity by pressing left and right on the directional pad.
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forteri76 committed May 1, 2014
1 parent 02a29d3 commit 1a37427
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Showing 2 changed files with 114 additions and 77 deletions.
15 changes: 14 additions & 1 deletion src/com/efortin/frozenbubble/PreferencesActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -67,9 +67,13 @@
public class PreferencesActivity extends PreferenceActivity{

private Preferences mPrefs;
private SeekBarPreference collisionSlider;
private SeekBarPreference difficultySlider;

private void cleanUp() {
mPrefs = null;
collisionSlider = null;
difficultySlider = null;
}

public static void getFrozenBubblePrefs(Preferences prefs, SharedPreferences sp) {
Expand Down Expand Up @@ -97,6 +101,8 @@ protected void onCreate(Bundle savedInstanceState) {
mPrefs = new Preferences();
setDefaultPreferences();
addPreferencesFromResource(R.layout.activity_preferences_screen);
collisionSlider = (SeekBarPreference) findPreference("collision_option");
difficultySlider = (SeekBarPreference) findPreference("difficulty_option");
}

@Override
Expand All @@ -108,11 +114,18 @@ protected void onDestroy() {

@Override
public boolean onKeyDown(int keyCode, KeyEvent msg) {
boolean result = false;

if (keyCode == KeyEvent.KEYCODE_BACK) {
savePreferences();
finish();
}
return super.onKeyDown(keyCode, msg);
else {
result = collisionSlider.onKey(keyCode, msg);
result |= difficultySlider.onKey(keyCode, msg);
}

return result || super.onKeyDown(keyCode, msg);
}

private void savePreferences() {
Expand Down
176 changes: 100 additions & 76 deletions src/com/efortin/frozenbubble/SeekBarPreference.java
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,7 @@
import android.preference.Preference;
import android.util.AttributeSet;
import android.util.Log;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
Expand Down Expand Up @@ -98,33 +99,6 @@ public SeekBarPreference(Context context, AttributeSet attrs, int defStyle) {
initPreference(context, attrs);
}

private void initPreference(Context context, AttributeSet attrs) {
setValuesFromXml(attrs);
mSeekBar = new SeekBar(context, attrs);
mSeekBar.setMax(mMaxValue - mMinValue);
mSeekBar.setOnSeekBarChangeListener(this);
}

private void setValuesFromXml(AttributeSet attrs) {
mMaxValue = attrs.getAttributeIntValue(ANDROIDNS, "max", 100);
mMinValue = attrs.getAttributeIntValue(FROZENBUBBLENS, "min", 0);

mUnitsLeft = getAttributeStringValue(attrs, FROZENBUBBLENS,
"unitsLeft", "");
String units = getAttributeStringValue(attrs, FROZENBUBBLENS, "units", "");
mUnitsRight = getAttributeStringValue(attrs, FROZENBUBBLENS,
"unitsRight", units);

try {
String newInterval = attrs.getAttributeValue(FROZENBUBBLENS, "interval");
if(newInterval != null)
mInterval = Integer.parseInt(newInterval);
}
catch(Exception e) {
Log.e(TAG, "Invalid interval value", e);
}
}

private String getAttributeStringValue(AttributeSet attrs, String namespace,
String name, String defaultValue) {
String value = attrs.getAttributeValue(namespace, name);
Expand All @@ -134,22 +108,14 @@ private String getAttributeStringValue(AttributeSet attrs, String namespace,
return value;
}

@Override
protected View onCreateView(ViewGroup parent){
RelativeLayout layout = null;

try {
LayoutInflater mInflater = (LayoutInflater)getContext().
getSystemService(Context.LAYOUT_INFLATER_SERVICE);
layout = (RelativeLayout)mInflater.
inflate(R.layout.seek_bar_preference, parent, false);
}
catch(Exception e)
{
Log.e(TAG, "Error creating seek bar preference", e);
}

return layout;
private void initPreference(Context context, AttributeSet attrs) {
setValuesFromXml(attrs);
mSeekBar = new SeekBar(context, attrs);
mSeekBar.setMax(mMaxValue - mMinValue);
mSeekBar.setOnSeekBarChangeListener(this);
mSeekBar.setFocusable(true);
mSeekBar.setFocusableInTouchMode(true);
this.setSelectable(true);
}

@Override
Expand Down Expand Up @@ -179,30 +145,48 @@ public void onBindView(View view) {
updateView(view);
}

/**
* Update a SeekBarPreference view with our current state.
* @param view
*/
protected void updateView(View view) {
try {
RelativeLayout layout = (RelativeLayout)view;
@Override
protected View onCreateView(ViewGroup parent){
RelativeLayout layout = null;

mStatusText = (TextView)layout.findViewById(R.id.seekBarPrefValue);
mStatusText.setText(String.valueOf(mCurrentValue));
mStatusText.setMinimumWidth(30);
try {
LayoutInflater mInflater = (LayoutInflater)getContext().
getSystemService(Context.LAYOUT_INFLATER_SERVICE);
layout = (RelativeLayout)mInflater.
inflate(R.layout.seek_bar_preference, parent, false);
}
catch(Exception e)
{
Log.e(TAG, "Error creating seek bar preference", e);
}

mSeekBar.setProgress(mCurrentValue - mMinValue);
return layout;
}

TextView unitsRight =
(TextView)layout.findViewById(R.id.seekBarPrefUnitsRight);
unitsRight.setText(mUnitsRight);
@Override
protected Object onGetDefaultValue(TypedArray ta, int index) {
int defaultValue = ta.getInt(index, DEFAULT_VALUE);
return defaultValue;
}

TextView unitsLeft =
(TextView)layout.findViewById(R.id.seekBarPrefUnitsLeft);
unitsLeft.setText(mUnitsLeft);
} catch(Exception e) {
Log.e(TAG, "Error updating seek bar preference", e);
public boolean onKey(int keyCode, KeyEvent event) {
if (mSeekBar.isSelected() && (event.getAction() == KeyEvent.ACTION_DOWN)) {
switch (keyCode) {
case KeyEvent.KEYCODE_DPAD_LEFT:
if (mCurrentValue > mMinValue) {
mSeekBar.setProgress((mCurrentValue - mMinValue) - mInterval);
return true;
}
break;
case KeyEvent.KEYCODE_DPAD_RIGHT:
if (mCurrentValue < mMaxValue) {
mSeekBar.setProgress((mCurrentValue - mMinValue) + mInterval);
return true;
}
break;
}
}
return false;
}

@Override
Expand All @@ -229,20 +213,6 @@ else if(mInterval != 1 && newValue % mInterval != 0)
persistInt(newValue);
}

@Override
public void onStartTrackingTouch(SeekBar seekBar) {}

@Override
public void onStopTrackingTouch(SeekBar seekBar) {
notifyChanged();
}

@Override
protected Object onGetDefaultValue(TypedArray ta, int index) {
int defaultValue = ta.getInt(index, DEFAULT_VALUE);
return defaultValue;
}

@Override
protected void onSetInitialValue(boolean restoreValue, Object defaultValue) {
if(restoreValue) {
Expand All @@ -262,7 +232,61 @@ protected void onSetInitialValue(boolean restoreValue, Object defaultValue) {
}
}

@Override
public void onStartTrackingTouch(SeekBar seekBar) {}

@Override
public void onStopTrackingTouch(SeekBar seekBar) {
notifyChanged();
}

public void setDefaultValue(int newValue) {
mCurrentValue = newValue;
}

private void setValuesFromXml(AttributeSet attrs) {
mMaxValue = attrs.getAttributeIntValue(ANDROIDNS, "max", 100);
mMinValue = attrs.getAttributeIntValue(FROZENBUBBLENS, "min", 0);

mUnitsLeft = getAttributeStringValue(attrs, FROZENBUBBLENS,
"unitsLeft", "");
String units = getAttributeStringValue(attrs, FROZENBUBBLENS, "units", "");
mUnitsRight = getAttributeStringValue(attrs, FROZENBUBBLENS,
"unitsRight", units);

try {
String newInterval = attrs.getAttributeValue(FROZENBUBBLENS, "interval");
if(newInterval != null)
mInterval = Integer.parseInt(newInterval);
}
catch(Exception e) {
Log.e(TAG, "Invalid interval value", e);
}
}

/**
* Update a SeekBarPreference view with our current state.
* @param view
*/
protected void updateView(View view) {
try {
RelativeLayout layout = (RelativeLayout)view;

mStatusText = (TextView)layout.findViewById(R.id.seekBarPrefValue);
mStatusText.setText(String.valueOf(mCurrentValue));
mStatusText.setMinimumWidth(30);

mSeekBar.setProgress(mCurrentValue - mMinValue);

TextView unitsRight =
(TextView)layout.findViewById(R.id.seekBarPrefUnitsRight);
unitsRight.setText(mUnitsRight);

TextView unitsLeft =
(TextView)layout.findViewById(R.id.seekBarPrefUnitsLeft);
unitsLeft.setText(mUnitsLeft);
} catch(Exception e) {
Log.e(TAG, "Error updating seek bar preference", e);
}
}
}

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