Android Open Source - ColorWallpaper Base Settings Activity

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License

The source code is released under:

Licensed under the Expat License. Copyright (C) 2013 Peter Occil Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the...

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Java Source Code

package com.upokecenter.android.ui;
//from  ww  w.  j  a  va  2s. co m
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.os.Bundle;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;

import com.upokecenter.android.util.AppManager;

public abstract class BaseSettingsActivity extends PreferenceActivity
implements OnSharedPreferenceChangeListener {

  protected abstract int getPreferenceResource();

  private static void updatePreference(SharedPreferences prefs, Preference pref){
    if(pref instanceof ListPreference){
      ListPreference lpref=(ListPreference)pref;
      String currentValue=prefs.getString(pref.getKey(), "");
      pref.setSummary(lpref.getEntries()[lpref.findIndexOfValue(currentValue)]);
    }
  }

  @SuppressWarnings("deprecation")
  @Override
  public void onCreate(Bundle inst) {
    if(inst==null){
      AppManager.initialize(this);
    }
    super.onCreate(inst);
    addPreferencesFromResource(getPreferenceResource());
    SharedPreferences prefs=getPreferenceScreen().getSharedPreferences();
    for(String key : prefs.getAll().keySet()){
      updatePreference(prefs,findPreference(key));
    }
  }

  @SuppressWarnings("deprecation")
  @Override
  public void onSharedPreferenceChanged(SharedPreferences prefs, String key) {
    updatePreference(prefs,findPreference(key));
  }

  @SuppressWarnings("deprecation")
  @Override
  protected void onResume() {
    super.onResume();
    getPreferenceScreen().getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
  }

  @SuppressWarnings("deprecation")
  @Override
  protected void onPause() {
    super.onPause();
    getPreferenceScreen().getSharedPreferences().unregisterOnSharedPreferenceChangeListener(this);
  }

}

Java Source Code List