本文转载于http://www.apkbus.com/blog-625356-62443.html

/**
 * 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
 */
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);
}

/**
 * 直接拨打电话 需要权限 <uses-permission id="android.permission.CALL_PHONE">
 * @param context
 * @param tel
 */
public static void Call(Context context, String tel) {
    Uri uri = Uri.parse("tel:" + tel);
    Intent it = new Intent(Intent.ACTION_CALL, 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);
}