活动介绍
file-type

安卓CSV联系人导入导出工具 Contacts2Csv_1.2.1

RAR文件

下载需积分: 9 | 1.48MB | 更新于2025-01-19 | 177 浏览量 | 1 下载量 举报 收藏
download 立即下载
### 知识点一:软件开发过程中的版本管理 从标题中“Contacts2Csv_1.2.1.rar”我们可以了解到,这款软件已经经历了至少1.2.1版本的迭代。在软件开发过程中,版本管理是一项非常重要的工作,它帮助开发者记录和维护软件随时间的更新和迭代。常见的版本管理方式包括采用语义化版本控制(Semantic Versioning),即主版本号(major)、次版本号(minor)、修订号(patch)的格式,如1.2.1中的1为主版本号,2为次版本号,1为修订号。主版本号代表软件进行了重大更新,次版本号代表新增功能,修订号代表对软件的修补。 ### 知识点二:安卓平台的软件开发与打包 安卓软件通常被打包成APK(Android Application Package)格式。APK文件是Android平台上的应用程序包文件格式,用于分发和安装移动应用。压缩包中的“Contacts2Csv_1.2.1.apk”即是该CSV联系人导入导出工具的安装包。在开发一个安卓应用程序时,开发者会使用Android Studio这样的集成开发环境(IDE)来编写代码、设计用户界面,并最终编译生成APK文件。打包过程中,会将所有的代码、资源文件以及必要的库打包在一起,并通过签名来确保应用的安全性和授权。 ### 知识点三:CSV格式简介 软件的主要功能是处理CSV格式的联系人数据,这在“描述”中提及。CSV(Comma-Separated Values,逗号分隔值)是一种通用的、以纯文本形式存储表格数据的格式。在CSV文件中,每一行代表一个数据记录,通常以逗号来分隔不同的字段。由于CSV文件的格式简单、易于读写,并且几乎所有的电子表格和数据库软件都可以支持CSV格式,因此它被广泛应用于数据导入导出的场景中。 ### 知识点四:联系人导入导出工具的应用场景 标题和描述中提到的“联系人导入导出工具”,暗示了该软件的应用场景。联系人信息是个人或企业都广泛使用的数据资源,它通常包括姓名、电话、电子邮件等多种信息。联系人的导入导出工具可以用于多种场景,例如,将手机联系人备份到电脑中、将联系人信息批量导入到新手机、或者在不同的通讯录软件之间迁移数据等。对于防止数据丢失,以及数据迁移时的便捷性来说,这样的工具是非常必要的。 ### 知识点五:软件操作的简易性与用户体验 “描述”中强调了该软件操作简单,使用方便,这是软件设计中非常重要的用户导向设计理念。对于用户来说,直观、简洁的操作界面能够大大降低学习成本,提升使用效率。用户体验(User Experience, UX)是设计软件时需要着重考虑的因素之一,它关乎用户与软件交互的全过程。好的用户体验可以通过易用性设计、一致性原则、反馈及时性等设计理念来实现。 ### 知识点六:文件打包与压缩格式 最后,“压缩包子文件的文件名称列表”揭示了该压缩包使用了RAR格式。RAR是一种常用的文件压缩格式,相比于ZIP格式,RAR在压缩率和压缩速度上可能有优势,但并不是所有操作系统都原生支持。RAR格式的文件需要专门的解压缩软件来打开和提取文件内容。打包文件通常用于传输和存档,可以减小文件大小,便于文件的管理和分享。 综上所述,该压缩包中的文件展示了安卓平台上的一个实用工具的开发、打包与文件格式等多个方面的知识点,从软件开发的版本管理到软件操作的用户体验,再到文件的打包与压缩等细节,都涵盖了IT行业在软件开发、数据处理以及用户体验设计等领域的专业知识。

相关推荐

filetype

分析以下报错信息: Failed to execute the transaction: tId:295913160 ClientTransaction{ tId:295913160 transactionItems=[ tId:295913160 LaunchActivityItem{activityToken=android.os.BinderProxy@b6a90f7,intent=Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10000000 xflg=0x4 cmp=com.example.contacts2/.MainActivity },ident=264802081,info=ActivityInfo{4ffa7a8 com.example.contacts2.MainActivity},curConfig={1.0 310mcc260mnc [en_US] ldltr sw411dp w411dp h866dp 420dpi nrml long port finger qwerty/v/v dpad/v winConfig={ mBounds=Rect(0, 0 - 1080, 2400) mAppBounds=Rect(0, 0 - 1080, 2337) mMaxBounds=Rect(0, 0 - 1080, 2400) mDisplayRotation=ROTATION_0 mWindowingMode=fullscreen mActivityType=undefined mAlwaysOnTop=undefined mRotation=ROTATION_0} s.86 fontWeightAdjustment=0},overrideConfig={1.0 310mcc260mnc [en_US] ldltr sw411dp w411dp h866dp 420dpi nrml long port finger qwerty/v/v dpad/v winConfig={ mBounds=Rect(0, 0 - 1080, 2400) mAppBounds=Rect(0, 0 - 1080, 2337) mMaxBounds=Rect(0, 0 - 1080, 2400) mDisplayRotation=ROTATION_0 mWindowingMode=fullscreen mActivityType=standard mAlwaysOnTop=undefined mRotation=ROTATION_0} s.2 fontWeightAdjustment=0},deviceId=0,referrer=com.android.shell,procState=2,state=null,persistentState=null,pendingResults=null,pendingNewIntents=null,sceneTransitionInfo=null,profilerInfo=null,assistToken=android.os.BinderProxy@711f745,shareableActivityToken=android.os.BinderProxy@5b7e9a,activityWindowInfo=ActivityWindowInfo{isEmbedded=false, taskBounds=Rect(0, 0 - 1080, 2400), taskFragmentBounds=Rect(0, 0 - 1080, 2400)}} tId:295913160 ResumeActivityItem{mActivityToken=android.os.BinderProxy@b6a90f7,procState=-1,isForward=true,shouldSendCompatFakeFocus=false} tId:295913160 Target activity: com.example.contacts2.MainActivity tId:295913160 ] tId:295913160 } 2025-07-22 13:25:30.038 10369-10369 AndroidRuntime com.example.contacts2 D Shutting down VM 2025-07-22 13:25:30.039 10369-10369 AndroidRuntime com.example.contacts2 E FATAL EXCEPTION: main Process: com.example.contacts2, PID: 10369 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.contacts2/com.example.contacts2.MainActivity}: android.database.sqlite.SQLiteException: unrecognized token: ":" (code 1 SQLITE_ERROR): , while compiling: SELECT phonetic_name, status_updates.status_res_package AS status_res_package, custom_ringtone, contacts_status_updates.status_ts AS contact_status_ts, account_type, data_version, photo_file_id, contacts_status_updates.status_res_package AS contact_status_res_package, group_sourceid, display_name_alt, sort_key_alt, presence.mode AS mode, 0 AS last_time_used, starred, contacts_status_updates.status_label AS contact_status_label, has_phone_number, presence.chat_capability AS chat_capability, raw_contact_id, carrier_presence, contact_last_updated_timestamp, res_package, photo_uri, data_sync4, phonebook_bucket, 0 AS times_used, display_name, sort_key, data_sync1, version, data_sync2, data_sync3, photo_thumb_uri, status_updates.status_label AS status_label, agg_presence.mode AS contact_presence, in_default_directory, 0 AS times_contacted, _id, account_type_and_data_set, name_raw_contact_id, status_updates.status AS status, phonebook_bucket_alt, 0 AS last_time_contacted, pinned, is_primary, photo_id, contact_id, agg_presence.chat_capability AS contact_chat_capability, contacts_status_updates.status_icon AS contact_status_icon, in_visible_group, phonebook_label, account_name, display_name_source, data9, dirty, sourceid, phonetic_name_style, send_to_voicemail, data8, lookup, data7, data6, phonebook_label_alt, data5, is_super_primary, data4, data3, data2, data1, data_set, contacts_status_updates.status AS contact_status, backup_id, preferred_phone_account_component_name, raw_contact_is_user_profile, status_updates.status_ts AS status_ts, data10, preferred_phone_account_id, data12, mimetype, status_updates.status_icon AS status_icon, data11, data14, data13, hash_id, data15 FROM view_data data LEFT OUTER JOIN agg_presence ON (contact_id = agg_presence.presence_contact_id) LEFT OUTER JOIN status_updates contacts_status_updates ON (status_update_id=contacts_status_updates.status_update_data_id) LEFT OUTER JOIN presence ON (presence_data_id=data._id) LEFT OUTER JOIN status_updates ON (status_updates.status_update_data_id=data._id) LEFT OUTER JOIN (SELECT 0 as STAT_DATA_ID,0 as x_times_used, 0 as x_last_time_used,0 as times_used, 0 as last_time_used where 0) as data_usage_stat ON (STAT_DATA_ID=data._id) WHERE (1 AND mimetype_id=5) AND (content://com.android.contacts/data/phones=1) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4280) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4467) at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:222) at android.app.servertransaction.TransactionExecutor.executeNonLifecycleItem(TransactionExecutor.java:133) at android.app.servertransaction.TransactionExecutor.executeTransactionItems(TransactionExecutor.java:103) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:80) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2823) at android.os.Handler.dispatchMessage(Handler.java:110) at android.os.Looper.loopOnce(Looper.java:248) at android.os.Looper.loop(Looper.java:338) at android.app.ActivityThread.main(ActivityThread.java:9067) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:593) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:932) 2025-07-22 13:25:30.041 10369-10369 AndroidRuntime com.example.contacts2 E Caused by: android.database.sqlite.SQLiteException: unrecognized token: ":" (code 1 SQLITE_ERROR): , while compiling: SELECT phonetic_name, status_updates.status_res_package AS status_res_package, custom_ringtone, contacts_status_updates.status_ts AS contact_status_ts, account_type, data_version, photo_file_id, contacts_status_updates.status_res_package AS contact_status_res_package, group_sourceid, display_name_alt, sort_key_alt, presence.mode AS mode, 0 AS last_time_used, starred, contacts_status_updates.status_label AS contact_status_label, has_phone_number, presence.chat_capability AS chat_capability, raw_contact_id, carrier_presence, contact_last_updated_timestamp, res_package, photo_uri, data_sync4, phonebook_bucket, 0 AS times_used, display_name, sort_key, data_sync1, version, data_sync2, data_sync3, photo_thumb_uri, status_updates.status_label AS status_label, agg_presence.mode AS contact_presence, in_default_directory, 0 AS times_contacted, _id, account_type_and_data_set, name_raw_contact_id, status_updates.status AS status, phonebook_bucket_alt, 0 AS last_time_contacted, pinned, is_primary, photo_id, contact_id, agg_presence.chat_capability AS contact_chat_capability, contacts_status_updates.status_icon AS contact_status_icon, in_visible_group, phonebook_label, account_name, display_name_source, data9, dirty, sourceid, phonetic_name_style, send_to_voicemail, data8, lookup, data7, data6, phonebook_label_alt, data5, is_super_primary, data4, data3, data2, data1, data_set, contacts_status_updates.status AS contact_status, backup_id, preferred_phone_account_component_name, raw_contact_is_user_profile, status_updates.status_ts AS status_ts, data10, preferred_phone_account_id, data12, mimetype, status_updates.status_icon AS status_icon, data11, data14, data13, hash_id, data15 FROM view_data data LEFT OUTER JOIN agg_presence ON (contact_id = agg_presence.presence_contact_id) LEFT OUTER JOIN status_updates contacts_status_updates ON (status_update_id=contacts_status_updates.status_update_data_id) LEFT OUTER JOIN presence ON (presence_data_id=data._id) LEFT OUTER JOIN status_updates ON (status_updates.status_update_data_id=data._id) LEFT OUTER JOIN (SELECT 0 as STAT_DATA_ID,0 as x_times_used, 0 as x_last_time_used,0 as times_used, 0 as last_time_used where 0) as data_usage_stat ON (STAT_DATA_ID=data._id) WHERE (1 AND mimetype_id=5) AND (content://com.android.contacts/data/phones=1) at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:197) at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:153) at android.content.ContentProviderProxy.query(ContentProviderNative.java:495) at android.content.ContentResolver.query(ContentResolver.java:1231) at android.content.ContentResolver.query(ContentResolver.java:1163) at android.content.ContentResolver.query(ContentResolver.java:1119) at com.example.contacts2.MainActivity.readContacts(MainActivity.java:66) at com.example.contacts2.MainActivity.onCreate(MainActivity.java:36) at android.app.Activity.performCreate(Activity.java:9155) at android.app.Activity.performCreate(Activity.java:9133) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1521) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4262) ... 13 more ---------------------------- PROCESS ENDED (10369) for package com.example.contacts2 ----------------------------

shuren8
  • 粉丝: 16
上传资源 快速赚钱