AndroidIntent可以打开的系统项

    /**
     * 调用系统浏览器

     * @param context
     * @param url
     */
 public static void openWeb(Context context, String url) {
 // 调用浏览器
 Uri webViewUri = Uri.parse(url);
 Intent intent = new Intent(Intent.ACTION_VIEW, webViewUri);
 context.startActivity(intent);
 }

 /**
     * 调用拨号界面
     * @param context
     * @param tel
     * 需要在配置文件里开权限
     */
 public static void openCall(Context context, String tel) {
 Uri uri = Uri.parse("tel:" + tel);
 Intent it = new Intent(Intent.ACTION_DIAL, uri);
 context.startActivity(it);
 }

/**
     * 打开apk
     * 
     * @param context
     * @param path
     */
 public static void openApk(Context context, String path) {
 Intent intent = new Intent(Intent.ACTION_VIEW);
 intent.setDataAndType(Uri.fromFile(new File(path)), "application/vnd.android.package-archive");
 context.startActivity(intent);
 }


/**
 * 打开录音机
 * 
 * @param context
 */
 public static void openRecord(Context context) {
 Intent mi = new Intent(Media.RECORD_SOUND_ACTION);
 context.startActivity(mi);
 }


/**
 * 打开联系人列表
 * 
 * @param activity
 * @param requestCode
 */
 public static void openPeople(Activity activity, int requestCode) {
 Intent i = new Intent();
 i.setAction(Intent.ACTION_GET_CONTENT);
 i.setType("vnd.android.cursor.item/phone");
 activity.startActivityForResult(i, requestCode);
 }



/**
 * 打开联系人列表
 * 
 * @param activity
 * @param requestCode
 */
 public static void openPeople2(Activity activity, int requestCode) {
 Uri uri = Uri.parse("content://contacts/people");
 Intent it = new Intent(Intent.ACTION_PICK, uri);
 activity.startActivityForResult(it, requestCode);
 }


/**
 * 打开系统设置
 * 
 * @param activity
 * @param action
 */
 public static void openSetting(Activity activity, String action) {
 /**
 * com.android.settings.AccessibilitySettings 辅助功能设置
 * com.android.settings.ActivityPicker 选择活动
 * com.android.settings.ApnSettings APN设置
 * com.android.settings.ApplicationSettings 应用程序设置
 * com.android.settings.BandMode 设置GSM/UMTS波段
 * com.android.settings.BatteryInfo 电池信息
 * com.android.settings.DateTimeSettings 日期和时间设置
 * com.android.settings.DateTimeSettingsSetupWizard 日期和时间设置
 * com.android.settings.DevelopmentSettings 应用程序设置=》开发设置
 * com.android.settings.DeviceAdminSettings 设备管理器
 * com.android.settings.DeviceInfoSettings 关于手机
 * com.android.settings.Display 显示——设置显示字体大小及预览
 * com.android.settings.DisplaySettings 显示设置
 * com.android.settings.DockSettings 底座设置
 * com.android.settings.IccLockSettings SIM卡锁定设置
 * com.android.settings.InstalledAppDetails 语言和键盘设置
 * com.android.settings.LanguageSettings 语言和键盘设置
 * com.android.settings.LocalePicker 选择手机语言
 * com.android.settings.LocalePickerInSetupWizard 选择手机语言
 * com.android.settings.ManageApplications 已下载（安装）软件列表
 * com.android.settings.MasterClear 恢复出厂设置
 * com.android.settings.MediaFormat 格式化手机闪存
 * com.android.settings.PhysicalKeyboardSettings 设置键盘
 * com.android.settings.PrivacySettings 隐私设置
 * com.android.settings.ProxySelector 代理设置
 * com.android.settings.RadioInfo 手机信息
 * com.android.settings.RunningServices 正在运行的程序（服务）
 * com.android.settings.SecuritySettings 位置和安全设置
 * com.android.settings.Settings 系统设置
 * com.android.settings.SettingsSafetyLegalActivity 安全信息
 * com.android.settings.SoundSettings 声音设置
 * com.android.settings.TestingSettings 测试——显示手机信息、电池信息、使用情况统计、Wifi
 * information、服务信息 com.android.settings.TetherSettings 绑定与便携式热点
 * com.android.settings.TextToSpeechSettings 文字转语音设置
 * com.android.settings.UsageStats 使用情况统计
 * com.android.settings.UserDictionarySettings 用户词典
 * com.android.settings.VoiceInputOutputSettings 语音输入与输出设置
 * com.android.settings.WirelessSettings 无线和网络设置
 */
 Intent intent = new Intent();
 ComponentName comp = new ComponentName("com.android.settings", action);
 intent.setComponent(comp);
 intent.setAction("android.intent.action.VIEW");
 activity.startActivityForResult(intent, 0);
 }