Setting.java

package net.oschina.app.ui;

import java.io.File;

import net.oschina.app.AppConfig;
import net.oschina.app.AppContext;
import net.oschina.app.AppManager;
import net.oschina.app.R;
import net.oschina.app.common.FileUtils;
import net.oschina.app.common.MethodsCompat;
import net.oschina.app.common.UIHelper;
import net.oschina.app.common.UpdateManager;
import net.oschina.app.widget.PathChooseDialog.ChooseCompleteListener;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceManager;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ListView;
import android.widget.Toast;

public class Setting extends PreferenceActivity {

    SharedPreferences mPreferences;
	Preference account;
	Preference myinfo;
	Preference cache;
	Preference feedback;
	Preference update;
	Preference about;

	Preference saveImagePath;

	CheckBoxPreference httpslogin;
	CheckBoxPreference loadimage;
	CheckBoxPreference scroll;
	CheckBoxPreference voice;
	CheckBoxPreference checkup;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);

		// 添加Activity到堆栈
		AppManager.getAppManager().addActivity(this);

		// 设置显示Preferences
		addPreferencesFromResource(R.xml.preferences);
		// 获得SharedPreferences
		mPreferences = PreferenceManager.getDefaultSharedPreferences(this);

		ListView localListView = getListView();
		localListView.setBackgroundColor(0);
		localListView.setCacheColorHint(0);
		((ViewGroup) localListView.getParent()).removeView(localListView);
		ViewGroup localViewGroup = (ViewGroup) getLayoutInflater().inflate(
				R.layout.setting, null);
		((ViewGroup) localViewGroup.findViewById(R.id.setting_content))
				.addView(localListView, -1, -1);
		setContentView(localViewGroup);

		final AppContext ac = (AppContext) getApplication();

		// 登录、注销
		account = (Preference) findPreference("account");
		if (ac.isLogin()) {
			account.setTitle(R.string.main_menu_logout);
		} else {
			account.setTitle(R.string.main_menu_login);
		}
		account.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
			public boolean onPreferenceClick(Preference preference) {
				UIHelper.loginOrLogout(Setting.this);
				account.setTitle(R.string.main_menu_login);
				return true;
			}
		});

		// 我的资料
		myinfo = (Preference) findPreference("myinfo");
		myinfo.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
			public boolean onPreferenceClick(Preference preference) {
				UIHelper.showUserInfo(Setting.this);
				return true;
			}
		});

		// 设置保存图片路径
		saveImagePath = (Preference) findPreference("saveimagepath");
		saveImagePath.setSummary("目前路径:"+ac.getSaveImagePath());
		saveImagePath.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
			public boolean onPreferenceClick(Preference preference) {
				if (!FileUtils.checkSaveLocationExists() && !FileUtils.checkExternalSDExists()) {
    				Toast.makeText(Setting.this, "手机中尚未安装SD卡", Toast.LENGTH_SHORT).show();
					return false;
				}
				UIHelper.showFilePathDialog(Setting.this,new ChooseCompleteListener() {
					@Override
					public void onComplete(String finalPath) {
						finalPath = finalPath+File.separator;
						saveImagePath.setSummary("目前路径:"+finalPath);
						ac.setSaveImagePath(finalPath);
						ac.setProperty(AppConfig.SAVE_IMAGE_PATH, finalPath);
					}
				});
				return true;
			}
		});
				

		// https登录
		httpslogin = (CheckBoxPreference) findPreference("httpslogin");
		httpslogin.setChecked(ac.isHttpsLogin());
		if (ac.isHttpsLogin()) {
			httpslogin.setSummary("当前以 HTTPS 登录");
		} else {
			httpslogin.setSummary("当前以 HTTP 登录");
		}
		httpslogin
				.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
					public boolean onPreferenceClick(Preference preference) {
						ac.setConfigHttpsLogin(httpslogin.isChecked());
						if (httpslogin.isChecked()) {
							httpslogin.setSummary("当前以 HTTPS 登录");
						} else {
							httpslogin.setSummary("当前以 HTTP 登录");
						}
						return true;
					}
				});

		// 加载图片loadimage
		loadimage = (CheckBoxPreference) findPreference("loadimage");
		loadimage.setChecked(ac.isLoadImage());
		if (ac.isLoadImage()) {
			loadimage.setSummary("页面加载图片 (默认在WIFI网络下加载图片)");
		} else {
			loadimage.setSummary("页面不加载图片 (默认在WIFI网络下加载图片)");
		}
		loadimage
				.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
					public boolean onPreferenceClick(Preference preference) {
						UIHelper.changeSettingIsLoadImage(Setting.this,
								loadimage.isChecked());
						if (loadimage.isChecked()) {
							loadimage.setSummary("页面加载图片 (默认在WIFI网络下加载图片)");
						} else {
							loadimage.setSummary("页面不加载图片 (默认在WIFI网络下加载图片)");
						}
						return true;
					}
				});

		// 左右滑动
		scroll = (CheckBoxPreference) findPreference("scroll");
		scroll.setChecked(ac.isScroll());
		if (ac.isScroll()) {
			scroll.setSummary("已启用左右滑动");
		} else {
			scroll.setSummary("已关闭左右滑动");
		}
		scroll.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
			public boolean onPreferenceClick(Preference preference) {
				ac.setConfigScroll(scroll.isChecked());
				if (scroll.isChecked()) {
					scroll.setSummary("已启用左右滑动");
				} else {
					scroll.setSummary("已关闭左右滑动");
				}
				return true;
			}
		});

		// 提示声音
		voice = (CheckBoxPreference) findPreference("voice");
		voice.setChecked(ac.isVoice());
		if (ac.isVoice()) {
			voice.setSummary("已开启提示声音");
		} else {
			voice.setSummary("已关闭提示声音");
		}
		voice.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
			public boolean onPreferenceClick(Preference preference) {
				ac.setConfigVoice(voice.isChecked());
				if (voice.isChecked()) {
					voice.setSummary("已开启提示声音");
				} else {
					voice.setSummary("已关闭提示声音");
				}
				return true;
			}
		});

		// 启动检查更新
		checkup = (CheckBoxPreference) findPreference("checkup");
		checkup.setChecked(ac.isCheckUp());
		checkup.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
			public boolean onPreferenceClick(Preference preference) {
				ac.setConfigCheckUp(checkup.isChecked());
				return true;
			}
		});

		// 计算缓存大小
		long fileSize = 0;
		String cacheSize = "0KB";
		File filesDir = getFilesDir();
		File cacheDir = getCacheDir();

		fileSize += FileUtils.getDirSize(filesDir);
		fileSize += FileUtils.getDirSize(cacheDir);
		// 2.2版本才有将应用缓存转移到sd卡的功能
		if (AppContext.isMethodsCompat(android.os.Build.VERSION_CODES.FROYO)) {
			File externalCacheDir = MethodsCompat.getExternalCacheDir(this);
			fileSize += FileUtils.getDirSize(externalCacheDir);
		}
		if (fileSize > 0)
			cacheSize = FileUtils.formatFileSize(fileSize);

		// 清除缓存
		cache = (Preference) findPreference("cache");
		cache.setSummary(cacheSize);
		cache.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
			public boolean onPreferenceClick(Preference preference) {
				UIHelper.clearAppCache(Setting.this);
				cache.setSummary("0KB");
				return true;
			}
		});

		// 意见反馈
		feedback = (Preference) findPreference("feedback");
		feedback.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
			public boolean onPreferenceClick(Preference preference) {
				UIHelper.showFeedBack(Setting.this);
				return true;
			}
		});

		// 版本更新
		update = (Preference) findPreference("update");
		update.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
			public boolean onPreferenceClick(Preference preference) {
				UpdateManager.getUpdateManager().checkAppUpdate(Setting.this,
						true);
				return true;
			}
		});

		// 关于我们
		about = (Preference) findPreference("about");
		about.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
			public boolean onPreferenceClick(Preference preference) {
				UIHelper.showAbout(Setting.this);
				return true;
			}
		});

	}

	public void back(View paramView) {
		finish();
	}

	@Override
	protected void onNewIntent(Intent intent) {
		super.onNewIntent(intent);

		if (intent.getBooleanExtra("LOGIN", false)) {
			account.setTitle(R.string.main_menu_logout);
		}
	}

	@Override
	protected void onDestroy() {
		super.onDestroy();
		// 结束Activity&从堆栈中移除
		AppManager.getAppManager().finishActivity(this);
	}
}