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Code Issues Projects Releases Packages Wiki Activity

use HashSet rather than String[] for faster lookup.

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This commit is contained in:
Andy2 2011-01-18 18:47:24 -08:00
parent bce4a11595
commit f6b95f93a1
1 changed files with 6 additions and 9 deletions
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15
xwords4/android/XWords4/src/org/eehouse/android/xw4/PrefsActivity.java
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@ -31,6 +31,7 @@ import android.preference.PreferenceManager;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MenuInflater;
import java.util.HashSet;
public class PrefsActivity extends PreferenceActivity
implements SharedPreferences.OnSharedPreferenceChangeListener {
@ -38,7 +39,7 @@ public class PrefsActivity extends PreferenceActivity
private static final int REVERT_COLORS = 1;
private static final int REVERT_ALL = 2;
private String[] m_keys;
private HashSet<String> m_keys;
private String m_boardThemeKey;
private String m_keyEmpty;
private String m_whiteOnBlack;
@ -127,12 +128,12 @@ public class PrefsActivity extends PreferenceActivity
SharedPreferences sp
= PreferenceManager.getDefaultSharedPreferences( this );
m_keys = new String[ textKeyIds.length ];
m_keys = new HashSet<String>( textKeyIds.length );
for ( int ii = 0; ii < textKeyIds.length; ++ii ) {
int id = textKeyIds[ii];
String key = getString( id );
setSummary( sp, key );
m_keys[ii] = key;
m_keys.add( key );
}
m_boardThemeKey = getString( R.string.key_board_theme );
m_keyEmpty = getString( R.string.key_empty );
@ -158,12 +159,8 @@ public class PrefsActivity extends PreferenceActivity
public void onSharedPreferenceChanged( SharedPreferences sp, String key )
{
// This would search faster if it were a hash set...
for ( String akey : m_keys ) {
if ( akey.equals( key ) ) {
setSummary( sp, key );
break;
}
if ( m_keys.contains( key ) ) {
setSummary( sp, key );
}
// Change those color elements that follow the "themes" --