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The source code is released under:
Apache License
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package cn.zhaiyifan.lyrichere.prefs.colorpicker; //ww w.j a v a2 s . co m import android.os.Bundle; import android.preference.Preference; import android.preference.Preference.OnPreferenceChangeListener; import android.preference.PreferenceActivity; import cn.zhaiyifan.lyrichere.R; /** * Created by yifan on 6/8/14. */ public class Test extends PreferenceActivity { /** * Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); addPreferencesFromResource(R.xml.preference); ((ColorPickerPreference) findPreference("color2")).setOnPreferenceChangeListener(new OnPreferenceChangeListener() { @Override public boolean onPreferenceChange(Preference preference, Object newValue) { preference.setSummary(ColorPickerPreference.convertToARGB(Integer.valueOf(String.valueOf(newValue)))); return true; } }); ((ColorPickerPreference) findPreference("color2")).setAlphaSliderEnabled(true); } }