Android Open Source - SimpleReader Setting

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License

The source code is released under:
Apache License
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Java Source Code

package com.dreamteam.app.ui;
// ww w.  j a  va 2  s.c o m
import java.io.File;

import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.AsyncTask;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceClickListener;
import android.preference.PreferenceActivity;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ListView;
import android.widget.Toast;

import com.dreamteam.app.commons.AppConfig;
import com.dreamteam.app.commons.AppContext;
import com.dreamteam.app.utils.FileUtils;
import com.dreateam.app.ui.R;

public class Setting extends PreferenceActivity
{
  private SharedPreferences mPreferences;
  private CheckBoxPreference imageLoadCb;
  private Preference clearCachePref;
  private Preference feedbackPref;
  
  
  protected void onCreate(Bundle savedInstanceState)
  {
    super.onCreate(savedInstanceState);
    initView();
    initPreference();
  }

  private void initView()
  {
    addPreferencesFromResource(R.xml.preference);
    ListView mLv = getListView();
    mLv.setBackgroundColor(0);
    mLv.setCacheColorHint(0);
    ((ViewGroup) mLv.getParent()).removeView(mLv);
    ViewGroup localViewGroup = (ViewGroup) getLayoutInflater().inflate(
        R.layout.setting, null);
    ((ViewGroup) localViewGroup.findViewById(R.id.setting_content))
        .addView(mLv, -1, -1);
    setContentView(localViewGroup);
  
    //return btn
    localViewGroup.findViewById(R.id.setting_return_btn).setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(View v) {
        finish();
      }
    });;
    
  }
  
  private void initPreference()
  {
    mPreferences = getPreferences(Context.MODE_PRIVATE);
    feedbackPref = findPreference("pref_feedback");
    feedbackPref.setOnPreferenceClickListener(new OnPreferenceClickListener()
    {
      @Override
      public boolean onPreferenceClick(Preference preference)
      {
        Intent intent = new Intent();
        intent.setClass(Setting.this, FeedbackUI.class);
        Setting.this.startActivity(intent);
        return false;
      }
    });
    imageLoadCb = (CheckBoxPreference) findPreference("pref_imageLoad");
    imageLoadCb.setOnPreferenceClickListener(new OnPreferenceClickListener()
    {
      @Override
      public boolean onPreferenceClick(Preference preference)
      {
        if(mPreferences.getBoolean("imageLoad", true))
        {
          //????
          imageLoadCb.setSummary("?????WIFI???????");
        }
        else
        {
          imageLoadCb.setSummary("???????WIFI???????");
        }
        return false;
      }
    });
    //??
    // ???????
    long fileSize = 0;
    String cacheSize = "0KB";
    File cacheDir = getCacheDir();
    File imageCacheDir = new File(AppConfig.APP_IMAGE_CACHE_DIR);
    File sectionCacheDir = new File(AppConfig.APP_SECTION_DIR);
    fileSize += FileUtils.getDirSize(cacheDir);
    fileSize += FileUtils.getDirSize(imageCacheDir);
    fileSize += FileUtils.getDirSize(sectionCacheDir);
    if(fileSize > 0)
      cacheSize = FileUtils.formatFileSize(fileSize);
    
    clearCachePref = findPreference("pref_clearCache");
    clearCachePref.setSummary(cacheSize);
    clearCachePref.setOnPreferenceClickListener(new OnPreferenceClickListener()
    {
      @Override
      public boolean onPreferenceClick(Preference preference)
      {
        new AsyncTask<Integer, Integer, Integer>()
        {
          @Override
          protected void onPostExecute(Integer result)
          {
            Toast.makeText(Setting.this, "????????", Toast.LENGTH_SHORT).show();
            clearCachePref.setSummary("0KB");
          }

          @Override
          protected Integer doInBackground(Integer... params)
          {
            AppContext.clearCache(Setting.this);
            return 0;
          }
        }.execute(0);
        return false;
      }
    });
    
    //about
    findPreference("pref_about").setOnPreferenceClickListener(new OnPreferenceClickListener() {
      @Override
      public boolean onPreferenceClick(Preference preference) {
        Intent intent = new Intent();
        intent.setClass(Setting.this, About.class);
        Setting.this.startActivity(intent);
        return true;
      }
    });
  }
}
Java Source Code List
