This article was originally written by Blankj. Reprinted by permission of The Activist Knight Brand Gallery.

README of English

API

  • The Activity related toActivityUtils.java-Demo

    IsActivityExists: Determines whether the Activity exists. Activity startActivity: Starts the Activity. GetLauncherActivity: Gets the entry. Get the top of the stack ActivityCopy the code

  • App related -AppUtils.java-Demo

    InstallApp: Installs the App (7.0 is supported) installAppSilent: silently installs the App uninstallApp: uninstalls the App uninstallAppSilent: checks whether the App is installed. LaunchApp: Open the App. GetAppPackageName: Obtain the App package name. GetAppDetailsSettings: GetAppName: Obtain the App name getAppIcon: obtain the App icon getAppPath: obtain the App path getAppVersionName: GetAppVersionCode: Obtain the App version isSystemApp: check whether the App is a system application isAppDebug: Check whether the App is the Debug version getAppSignature: GetAppSignatureSHA1: Obtain the SHA1 value of the App signature isAppForeground: Check whether the App is foreground getForegroundApp: Get the foreground application package name getAppInfo: GetAppsInfo: Obtains information about all installed apps. CleanAppData: clears all App dataCopy the code

  • Column related -BarUtils.java

    HideStatusBar: Hides the status bar getStatusBarHeight: obtains the status bar height isStatusBarExists Check whether the status bar exists. GetActionBarHeight: obtains the ActionBar height. ShowNotificationBar: displays the notification barCopy the code

  • Cache correlation →CacheUtils.java-Test

    GetBytes: reads a byte array from the cache. GetString: reads a String from the cache. GetJSONObject: JSONObject getJSONArray: JSONArray getBitmap: Bitmap getDrawable: Drawable getParcelable: Read Parcelable getSerializable from the cache: Read Serializable from the cache. GetCacheSize: Obtain the cache size. GetCacheCount: Obtain the cache number. Clear: Clears all cachesCopy the code

  • Clear correlation →CleanUtils.java-Demo

    CleanInternalCache: cleanInternalCache cleanInternalFiles: cleanInternalFiles cleanInternalDbs: clean internal database cleanInternalDbByName: CleanInternalSP: Clear internal SP cleanExternalCache: clear external cache cleanCustomCache: clear files in the customized directoryCopy the code

  • Clipboard related →ClipboardUtils.java

    CopyText: copyText to the clipboard getText: getText from the clipboard copyUri: copyUri to the clipboard getUri: get the uri from the clipboard copyIntent: copyIntent to the clipboard getIntent: get the intent from the clipboardCopy the code

  • Close correlation →CloseUtils.java

    CloseIO quietly: Quietly Close the I/OCopy the code

  • Transformation correlation →ConvertUtils.java-Test

    Bytes2HexString, hexString2Bytes: byteArr interconverts with hexString chars2Bytes, bytes2Chars: MemorySize2Byte, byte2MemorySize: indicates the memory size and the number of bytes in unit. [^ # ^ # ^ # ^ #] timespan: [^ # ^ # ^ # ^ # ^ #] [^ # ^ # ^ # ^ # ^ # ^ #]; Bytes2Bits, bits2Bytes: Bytes exchanged with bits input2OutputStream, output2InputStream: InputStream and outputStream interconvert inputStream2Bytes, bytes2InputStream: InputStream and byteArr interconvert outputStream2Bytes, bytes2OutputStream: InputStream2String, string2InputStream: InputStream interconverts with string encoding outputStream2String, string2OutputStream: Interconverts outputStream with string encoding bitmap2Bytes, bytes2Bitmap: Drawable2Bytes, bytes2Drawable: drawable2Bitmap: drawable2Bytes, bytes2Drawable: Drawable: view2Bitmap: view to Bitmap dp2px; px2dp: dp to sp2px; px2sp: sp to pxCopy the code

  • Crash correlation →CrashUtils.java

    GetInstance: obtains singleton init: initializes the singletonCopy the code

  • Device correlation →DeviceUtils.java-Demo

    IsDeviceRooted: checks whether the device is crinum. GetAndroidID: checks whether the device is crinum. GetManufacturer: obtain the device manufacturer getModel: obtain the device model Shutdown: shutdown reboot: restart reboot2Recovery: Restart to recovery reboot2Bootloader: Restart to bootloaderCopy the code

  • Short correlation →EmptyUtils.java-Test

    IsEmpty: checks whether the object isEmpty. IsNotEmpty: checks whether the object isNotEmptyCopy the code

  • Encoding decoding correlation →EncodeUtils.java-Test

    UrlEncode: URL encoding urlDecode: URL decoding base64Encode: base64Encode2String: Base64 encoding base64Decode: Base64 decoding base64UrlSafeEncode: Base64URL security encoding htmlEncode: Html encoding htmlDecode: Html decodingCopy the code

  • Encryption and decryption related →EncryptUtils.java-Test

    EncryptMD2, encryptMD2ToString: MD2 encryptMD5, encryptMD5ToString: MD5 encryptMD5File, encryptMD5File2String: EncryptSHA224 encryptSHA224ToString MD5 encryptSHA1, encryptSHA1ToString: SHA1 encryptSHA224, encryptSHA224ToString: EncryptSHA256, encryptSHA256ToString: SHA256 encryptSHA384, encryptSHA384ToString: SHA256 encryptSHA384, encryptSHA384ToString: EncryptSHA512, encryptSHA512ToString: encryptHmacMD5, encryptHmacMD5ToString: HmacMD5 encryption encryptHmacSHA1 encryptHmacSHA1ToString: HmacSHA1 encryption encryptHmacSHA224, encryptHmacSHA224ToString: HmacSHA224 encryption encryptHmacSHA256 encryptHmacSHA256ToString: HmacSHA256 encryption encryptHmacSHA384, encryptHmacSHA384ToString: HmacSHA384 encryption encryptHmacSHA512 encryptHmacSHA512ToString: HmacSHA512 encryptDES, encryptDES2HexString, encryptDES2Base64: DES EncryptDES decryptDES, decryptHexStringDES, decryptBase64DES: DES encrypt3DES, encrypt3DES2HexString, encrypt3DES2Base64: Decrypt3DES encryption decrypt3DES, decryptHexString3DES, decryptBase64_3DES: EncryptAES, encryptAES2HexString, encryptAES2Base64: AES encryptAES decryptAES, decryptHexStringAES, decryptBase64AES: AES decryptionCopy the code

  • File correlation →FileIOUtils.java-Test

    WriteFileFromBytesByStream writeFileFromIS: to write the input stream into the file: an array of bytes written to the file writeFileFromBytesByChannel: WriteFileFromBytesByMap: Writes a byte array to a file writeFileFromString: writes a string to a file readFile2List: ReadFile2String: Reads a file into a string readFile2BytesByStream: reads a file into a byte array readFile2BytesByChannel: ReadFile2BytesByMap: Reads a file into a byte arrayCopy the code

  • File correlation →FileUtils.java-Test

    IsFileExists: determines whether a file exists rename: renames a file isDir: determines whether a file exists isFile: determines whether a file exists createOrExistsDir: specifies whether a file exists. Whether directory exists, there is no judgment whether to create successful createOrExistsFile: to determine whether a file exists, does not exist, it determine whether create createFileByDeleteOldFile success: Check whether the file exists and delete the file before creating it. CopyDir: copy the directory. CopyFile: copy the file. Delete files. ListFilesInDir: Obtain all files in the directory. ListFilesInDir: Obtain all files in the directory, including subdirectories. Obtain all files with suffix suffix in the directory listFilesInDirWithFilter: Obtain all files with suffix suffix in the directory, including subdirectory listFilesInDirWithFilter: ListFilesInDirWithFilter: Obtains all filter-compliant files in the directory, including the subdirectory searchFileInDir: GetFileLastModified: getFileCharsetSimple: getFileCharsetSimple: getFileCharsetSimple: getFileLines: GetDirSize: obtain the directory size getFileSize: obtain the file size getDirLength: obtain the directory length getFileLength: obtain the file length getFileMD5: GetFileMD5ToString: obtains the MD5 verification code of the file getDirName: obtains the longest directory based on the full path getFileName: obtains the file name based on the full path getFileNameNoExtension: GetFileExtension: Obtain the extension name of the file based on the full pathCopy the code

  • Fragments related -FragmentUtils.java-Demo

    AddFragments: Add multiple fragments removeFragment: RemoveToFragment: Removes fragments from the specified fragment removeFragments: Removes fragments of the same level Remove all fragments replaceFragment: replace fragments popFragment: the stack fragments popToFragment: out of the stack to specify fragments popFragments: PopAddFragment: Removes all fragments at the same level popAllFragments: Removes all fragments at the same level popAddFragment: removes new fragments at the same level Hide the same level of fragment showFragment: Displays the fragment hideShowFragment: hides the fragment before displaying the fragment getLastAddFragment: Get with level eventually join the fragments of getLastAddFragmentInStack: obtain the stack with level eventually join the fragments of getTopShowFragment: To get the top visible fragments getTopShowFragmentInStack: gaining the top visible fragments in stack getFragments: access to the same level fragments getFragmentsInStack: Obtain all fragments in the stack. GetAllFragmentsInStack: Obtain all fragments in the stack. FindFragment: searches for the fragment dispatchBackPress: processes the fragment. SetBackgroundColor: SetBackgroundResource: Sets background resource setBackground: sets backgroundCopy the code

  • Handler associated -HandlerUtils.java-Demo

    HandlerHolder: Use required readingCopy the code

  • Pictures related →ImageUtils.java-Demo

    Bitmap2Bytes, bytes2Bitmap: drawable2Bitmap, bitmap2Drawable: Drawable: drawable: drawable: bytes2Drawable: Drawable: byteArr: drawable: Drawable: byteArr: drawable: getBitmap: obtain bitmap scale: scale the image clip: Skew: the image is rotated skew: the image is rotated getRotateDegree: the image is rotated toRound: the image is rounded toRoundCorner: the image is rounded fastBlur: the image is rotated How to add a color to the frame and add it to the addReflection AddImageWatermark: addImageWatermark toAlpha: convert toAlpha bitmap toGray: convert to grayscale image save: save the image isImage: Determine whether the file is a picture based on the file name. GetImageType: obtain the image type. CompressByScale: compress the file by scalingCopy the code

  • Intention correlation →IntentUtils.java

    GetInstallAppIntent: Obtains the intent to install the App (supports 6.0). Gettuninstallappintent: Obtains the intent to uninstall the App. GetLaunchAppIntent: For open the App intention getAppDetailsSettingsIntent: for specific Settings App intention getShareTextIntent: share access to the intention of the text getShareImageIntent: For share photos intention getComponentIntent: access to the intentions of other application components getShutdownIntent: get off the intention of the getCaptureIntent: access to the intention of the photoCopy the code

  • Keyboard related →KeyboardUtils.java-Demo

    HideSoftInput: dynamic hide the soft keyboard clickBlankArea2HideSoftInput: click on the blank area to hide the screen soft keyboard showSoftInput: dynamic display soft keyboard toggleSoftInput: switch the keyboard display or notCopy the code

  • Positioning correlation →LocationUtils.java-Demo

    IsGpsEnabled: checks whether Gps is available isLocationEnabled: checks whether Gps is available openGpsSettings: opens the Gps setting page register: registers unregister: GetCountryName: Obtain the locality based on the longitude and latitude getStreet: IsBetterLocation: is the better location isSameProvider: is the same providerCopy the code

  • Log correlation →LogUtils.java-Demo

    Builder.setLogSwitch: Set the log master switch builder. setConsoleSwitch: set the log console switch Builder.setGlobalTag: set the log console switch builder. setConsoleSwitch: Set the log console switch Builder.setGlobalTag: Set the log global tag Builder. SetLogHeadSwitch: set up the log header information switch Builder. SetLog2FileSwitch: set the log file switch Builder. SetDir: SetBorderSwitch: Set log border switch Builder.setConsolefilter: Set log console filter Builder.setFilefilter: Set the log file filter v: Verbose log D: Debug log I: Info log W: Warn log E: Error log A: Assert log file: log to a file json: Json XML for log strings: XML for log stringsCopy the code

  • Network correlation →NetworkUtils.java-Demo

    IsConnected: checks whether the network isConnected. IsAvailableByPing: checks whether the network is available. GetDataEnabled: Check whether mobile data is enabled setDataEnabled: enable or disable mobile data is4G: check whether the network is4G getWifiEnabled: check whether wifi is enabled setWifiEnabled: IsWifiConnected: Connected to a wifi interface isWifiAvailable: Connected to a wifi interface getNetworkOperatorName GetNetworkType: obtains the current network type. GetIPAddress: obtains the IP address. GetDomainAddress: obtains the IP address of the domain nameCopy the code

  • Mobile related →PhoneUtils.java-Demo

    GetIMEI: obtain the IMEI code. GetIMSI: obtain the IMSI code. GetPhoneType: obtain the mobile terminal type. GetSimOperatorName: obtains the operator name of the SIM card. GetSimOperatorByMnc: obtains the operator name of the SIM card. GetPhoneStatus: obtains the mobile phone status. Call: dial phoneNumber sendSms: jump to the page for sending SHORT messages sendSmsSilent: send short messages getAllContactInfo: obtain mobile phone contacts getContactNum: Tap a contact to obtain the phone number. GetAllSMS: Obtain a mobile phone short message and save it in XMLCopy the code

  • Pinyin related →PinyinUtils.java-Test

    Ccs2Pinyin: Chinese character to pinyin getPinyinFirstLetter: get the first letter of Chinese character getPinyinFirstLetter: GetSurnameFirstLetter getSurnameFirstLetter getSurnameFirstLetter getSurnameFirstLetter getSurnameFirstLetter getSurnameFirstLetter getSurnameFirstLetter getSurnameFirstLetter getSurnameFirstLetter getSurnameFirstLetter getSurnameFirstLetterCopy the code

  • Process correlation →ProcessUtils.java-Demo

    GetForegroundProcessName: access to the foreground thread package name killAllBackgroundProcesses: kill all the backend service process killBackgroundProcesses: kill the background service processCopy the code

  • Canonical correlation →RegexUtils.java-Test

    IsMobileSimple: verify mobile phone number (simple) isMobileExact: verify mobile phone number (exact) isTel: verify phone number isIDCard15: verify ID card number 15-digit isIDCard18: verify mobile phone number Verify ID card number 18-bit isEmail: verify email address isURL: verify URL isZh: verify Chinese characters isUsername: verify user name isDate: verify date verification in YYYY-MM-DD format, with even leap year taken into account isIP: GetMatches: The portion of the matched regula ti on is obtained. Gettreplacefirst: The first part of the matched regula ti on is replaced. GetReplaceAll: Replace all portions of the re matchCopy the code

  • Screen correlation →ScreenUtils.java

    GetScreenWidth: Get the width of the screen (unit: px) getScreenHeight: Get the height of the screen (unit: px) IsLandscape: determine whether the screen isPortrait isPortrait: determine whether the screen isPortrait getScreenRotation: get the screen rotation Angle captureWithStatusBar: Obtain the current screen shot, including the status bar captureWithoutStatusBar: obtain the current screen shot, excluding the status bar isScreenLock: determine whether to lock the screenCopy the code

  • SD card related →SDCardUtils.java-Demo

    GetSDCardPath: path to obtain the SD card getDataPath: path to obtain the Data of the SD card getFreeSpace: calculates the remaining space of the SD card getSDCardInfo: Obtain SD card informationCopy the code

  • Service related →ServiceUtils.java

    StartService: starts a service. StopService: stops a service. BindService: binds a service. Unbinding service isServiceRunning: Checks whether the service is runningCopy the code

  • Shell related -ShellUtils.java

    ExecCmd: Indicates whether to run the command under rootCopy the code

  • Size correlation →SizeUtils.java

    Dp2px, px2dp: dp and px convert sp2px, px2sp: sp and px convert applyDimension: Measureviewmeasureviewmeasuredwidth getMeasuredHeight getMeasuredHeightCopy the code

  • Snackbar related -SnackbarUtils.java-Demo

    ShowShort: displays a short snackbar showLong: displays a long snackbar showIndefinite: displays a user-defined length snackbar addView: adds a layout to the snackbar. Dismiss: Cancel the snackbar displayCopy the code

  • SpannableString related -SpannableStringUtils.java-Demo

    Builder. SetFlag: set the logo Builder. SetForegroundColor: set your foreground color Builder. SetBackgroundColor: set the background color Builder. SetQuoteColor: SetLeadingMargin: Sets the indentation builder. setMargin: Sets the spacing builder. setBullet: Sets the list tag Builder.setFontSize: Set the font size Builder. SetFontProportion: set font proportion Builder. SetFontXProportion: set font transverse proportion Builder. SetStrikethrough: Builder.setUnderline: Builder.setSuperscript: Builder.setSubscript: Builder.setBold: builder. setUnderline: Builder.setUnderline: builder. setSuperscript: Builder.setSubscript: Builder.setBold: SetBoldItalic: setItalic builder. setFontFamily: set font series builder. setItalic: setItalic builder. setBoldItalic: setItalic builder. setFontFamily: set font series builder. setTypeface: SetBitmap: Set image Builder.setDrawable: Set image Builder.setUri: Set font builder. setAlign: Set alignment Builder.setBitmap: Set image Builder.setDrawable: Set image Builder.setUri: Set image Builder.setResourceId: Set image Builder.setClickSpan: Set click event Builder.setUrl: Set hyperlink Builder.setBlur: Set fuzzy Builder.append: Appends style string Builder.create: creates style stringCopy the code

  • SP related -SPUtils.java-Test

    GetString: read from SP. GetInt: read from SP. Int getLong: read from SP. Long getFloat: Boolean getAll: obtains all key-value pairs from SP contains: indicates whether the key exists in SP. Remove: indicates that the key is removed from SP. Clear: indicates that all data is cleared from SPCopy the code

  • String correlation →StringUtils.java-Test

    IsEmpty: checks whether the string is null or has a length of 0. IsTrimEmpty: checks whether the string is null or full of Spaces. IsSpace: checks whether the string is null or full of empty characters. EqualsIgnoreCase: determines whether two strings are equal. Null2Length0: null converts to a string of length 0. Length: Returns the length of the string upperFirstLetter: Uppercase lowerFirstLetter: lowercase letter Reverse: indicates that the character string is reversed toDBC: indicates that the character string is converted to a half-angle character toSBC: indicates that the character string is converted to a full-angle characterCopy the code

  • Thread pool related →ThreadPoolUtils.java

    ThreadPoolUtils: ThreadPoolUtils constructor execute: execute a given command at a future time execute a given list of commands at a future time shutDown: ShutDownNow: attempts to stop all active tasks in progress. IsShutDown: checks whether the thread pool is closed. IsTerminated: Submit: Submits a Callable task to execute submit: Submit a Runnable task to execute invokeAll, invokeAny: execute the given task schedule: Delay the execution of the Runnable command schedule: Delay executing the Callable command scheduleWithFixedRate: indicates that the Callable command is delayed and executed periodically. ScheduleWithFixedDelay: indicates that the Callable command is executed periodically at a fixed rest timeCopy the code

  • Time correlation →TimeUtils.java-Test

    String string2Millis millis2String: a timestamp to time: the time string to a timestamp string2Date: a time string to Date type date2String: Date2Millis [^ 5 ^ 5] date2Millis [^ 5 ^ 5] date2Millis [^ 5 ^ 5]. GetNowMills: Gets the current millisecond timestamp getNowString: Gets the current time string getNowDate: Gets the current Date getTimeSpanByNow: Get worse and the current time (unit: the unit) getFitTimeSpanByNow: get the right type and the current time difference getFriendlyTimeSpanByNow: get friendly with the current time bad getMillis: GetDate: getzipgebyNow (); getzipgebyNow (); String getDateByNow: getDateByNow: getdate isToday: checks whether today is the day isLeapYear: GetUSWeek: Obtain the American week getWeekIndex: obtain the week index getWeekOfMonth: obtain the week in a month getWeekOfYear: Get the week of the year getZodiac: Get the zodiacCopy the code

  • Toast related →ToastUtils.java-Demo

    SetGravity: set toast position setView: set the toast view getView: access to toast the view showShortSafe: safely shows short toast showLongSafe: safely shows long toast showShort: ShowLong: displays long toast cancel: cancels the toast displayCopy the code

  • Compression correlation →ZipUtils.java-Test

    ZipFiles: decompresses files in batches zipFile: decompresses files in batches unzipFile: decompresses files in batches unzipFileByKeyword: decompresses files with keywords getFilesPath: decompresses files with keywords GetComments: obtains the linked list of comments in the compressed file. GetEntries: obtains the file object in the compressed fileCopy the code

  • Update the Log -update_log.md

Download

Gradle:

The compile 'com. Blankj: utilcode: 1.6.3'Copy the code

How to use

// init it in the function of onCreate in ur Application
Utils.init(context);
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Proguard

-keep class com.blankj.utilcode.** { *; }
-keepclassmembers class com.blankj.utilcode.** { *; }
-dontwarn com.blankj.utilcode.**
Copy the code

The author:Rance935Source:Code that Android developers have to collect (in constant update)Please indicate the author’s details and the source of this article at the beginning of the reprint

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