├── .gitignore ├── LICENSE.txt ├── README.md ├── art └── demo.gif ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── library ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ └── main │ ├── AndroidManifest.xml │ └── java │ └── io │ └── github │ └── luckyandyzhang │ └── mentionedittext │ └── MentionEditText.java └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | .idea 5 | .DS_Store 6 | /build 7 | /captures -------------------------------------------------------------------------------- /LICENSE.txt: -------------------------------------------------------------------------------- 1 | 2 | Apache License 3 | Version 2.0, January 2004 4 | http://www.apache.org/licenses/ 5 | 6 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 7 | 8 | 1. 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We also recommend that a 186 | file or class name and description of purpose be included on the 187 | same "printed page" as the copyright notice for easier 188 | identification within third-party archives. 189 | 190 | Copyright [yyyy] [name of copyright owner] 191 | 192 | Licensed under the Apache License, Version 2.0 (the "License"); 193 | you may not use this file except in compliance with the License. 194 | You may obtain a copy of the License at 195 | 196 | http://www.apache.org/licenses/LICENSE-2.0 197 | 198 | Unless required by applicable law or agreed to in writing, software 199 | distributed under the License is distributed on an "AS IS" BASIS, 200 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 201 | See the License for the specific language governing permissions and 202 | limitations under the License. -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | ## MentionEditText 2 | MentionEditText adds some useful features for mention string(@xxxx), such as highlight, intelligent deletion, intelligent selection and '@' input detection, etc. 3 | 4 | 5 | 6 | ## Usage 7 | Insert the following dependency to build.gradle file of your project. 8 | 9 | ```groovy 10 | repositories { 11 | maven { 12 | url "https://jitpack.io" 13 | } 14 | } 15 | 16 | dependencies { 17 | compile 'com.android.support:appcompat-v7:24.2.1' 18 | compile 'com.github.luckyandyzhang:MentionEditText:1.0.0' 19 | } 20 | ``` 21 | 22 | Use MentionEditText like a normal EditText: 23 | 24 | ```xml 25 | 29 | ``` 30 | 31 | In Java code: 32 | 33 | ```java 34 | MentionEditText editText = ((MentionEditText) findViewById(R.id.editText)); 35 | List mentionList = editText.getMentionList(true); //get a list of mention string 36 | editText.setMentionTextColor(Color.RED); //optional, set highlight color of mention string 37 | editText.setPattern("@[\\u4e00-\\u9fa5\\w\\-]+"); //optional, set regularExpression 38 | editText.setOnMentionInputListener(new MentionEditText.OnMentionInputListener() { 39 | @Override 40 | public void onMentionCharacterInput() { 41 | //call when '@' character is inserted into EditText 42 | } 43 | }); 44 | 45 | ``` 46 | 47 | ## License 48 | 49 | Copyright 2016 Andy 50 | 51 | Licensed under the Apache License, Version 2.0 (the "License"); 52 | you may not use this file except in compliance with the License. 53 | You may obtain a copy of the License at 54 | 55 | http://www.apache.org/licenses/LICENSE-2.0 56 | 57 | Unless required by applicable law or agreed to in writing, software 58 | distributed under the License is distributed on an "AS IS" BASIS, 59 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 60 | See the License for the specific language governing permissions and 61 | limitations under the License. 62 | 63 | 64 | 65 | -------------------------------------------------------------------------------- /art/demo.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/andydevacc/MentionEditText/c1fd68c72e9fd6e0c2e9a7223c8f71f4e6614aa7/art/demo.gif -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | // Top-level build file where you can add configuration options common to all sub-projects/modules. 2 | 3 | buildscript { 4 | repositories { 5 | jcenter() 6 | } 7 | dependencies { 8 | classpath 'com.android.tools.build:gradle:2.1.3' 9 | 10 | // NOTE: Do not place your application dependencies here; they belong 11 | // in the individual module build.gradle files 12 | } 13 | } 14 | 15 | allprojects { 16 | repositories { 17 | jcenter() 18 | } 19 | } 20 | 21 | task clean(type: Delete) { 22 | delete rootProject.buildDir 23 | } 24 | -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # Project-wide Gradle settings. 2 | 3 | # IDE (e.g. Android Studio) users: 4 | # Gradle settings configured through the IDE *will override* 5 | # any settings specified in this file. 6 | 7 | # For more details on how to configure your build environment visit 8 | # http://www.gradle.org/docs/current/userguide/build_environment.html 9 | 10 | # Specifies the JVM arguments used for the daemon process. 11 | # The setting is particularly useful for tweaking memory settings. 12 | # Default value: -Xmx10248m -XX:MaxPermSize=256m 13 | # org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8 14 | 15 | # When configured, Gradle will run in incubating parallel mode. 16 | # This option should only be used with decoupled projects. More details, visit 17 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects 18 | # org.gradle.parallel=true -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/andydevacc/MentionEditText/c1fd68c72e9fd6e0c2e9a7223c8f71f4e6614aa7/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Fri Sep 23 17:54:38 CST 2016 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip 7 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env bash 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 10 | DEFAULT_JVM_OPTS="" 11 | 12 | APP_NAME="Gradle" 13 | APP_BASE_NAME=`basename "$0"` 14 | 15 | # Use the maximum available, or set MAX_FD != -1 to use that value. 16 | MAX_FD="maximum" 17 | 18 | warn ( ) { 19 | echo "$*" 20 | } 21 | 22 | die ( ) { 23 | echo 24 | echo "$*" 25 | echo 26 | exit 1 27 | } 28 | 29 | # OS specific support (must be 'true' or 'false'). 30 | cygwin=false 31 | msys=false 32 | darwin=false 33 | case "`uname`" in 34 | CYGWIN* ) 35 | cygwin=true 36 | ;; 37 | Darwin* ) 38 | darwin=true 39 | ;; 40 | MINGW* ) 41 | msys=true 42 | ;; 43 | esac 44 | 45 | # Attempt to set APP_HOME 46 | # Resolve links: $0 may be a link 47 | PRG="$0" 48 | # Need this for relative symlinks. 49 | while [ -h "$PRG" ] ; do 50 | ls=`ls -ld "$PRG"` 51 | link=`expr "$ls" : '.*-> \(.*\)$'` 52 | if expr "$link" : '/.*' > /dev/null; then 53 | PRG="$link" 54 | else 55 | PRG=`dirname "$PRG"`"/$link" 56 | fi 57 | done 58 | SAVED="`pwd`" 59 | cd "`dirname \"$PRG\"`/" >/dev/null 60 | APP_HOME="`pwd -P`" 61 | cd "$SAVED" >/dev/null 62 | 63 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 64 | 65 | # Determine the Java command to use to start the JVM. 66 | if [ -n "$JAVA_HOME" ] ; then 67 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 68 | # IBM's JDK on AIX uses strange locations for the executables 69 | JAVACMD="$JAVA_HOME/jre/sh/java" 70 | else 71 | JAVACMD="$JAVA_HOME/bin/java" 72 | fi 73 | if [ ! -x "$JAVACMD" ] ; then 74 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 75 | 76 | Please set the JAVA_HOME variable in your environment to match the 77 | location of your Java installation." 78 | fi 79 | else 80 | JAVACMD="java" 81 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 82 | 83 | Please set the JAVA_HOME variable in your environment to match the 84 | location of your Java installation." 85 | fi 86 | 87 | # Increase the maximum file descriptors if we can. 88 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then 89 | MAX_FD_LIMIT=`ulimit -H -n` 90 | if [ $? -eq 0 ] ; then 91 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 92 | MAX_FD="$MAX_FD_LIMIT" 93 | fi 94 | ulimit -n $MAX_FD 95 | if [ $? -ne 0 ] ; then 96 | warn "Could not set maximum file descriptor limit: $MAX_FD" 97 | fi 98 | else 99 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 100 | fi 101 | fi 102 | 103 | # For Darwin, add options to specify how the application appears in the dock 104 | if $darwin; then 105 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 106 | fi 107 | 108 | # For Cygwin, switch paths to Windows format before running java 109 | if $cygwin ; then 110 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 111 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 112 | JAVACMD=`cygpath --unix "$JAVACMD"` 113 | 114 | # We build the pattern for arguments to be converted via cygpath 115 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 116 | SEP="" 117 | for dir in $ROOTDIRSRAW ; do 118 | ROOTDIRS="$ROOTDIRS$SEP$dir" 119 | SEP="|" 120 | done 121 | OURCYGPATTERN="(^($ROOTDIRS))" 122 | # Add a user-defined pattern to the cygpath arguments 123 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 124 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 125 | fi 126 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 127 | i=0 128 | for arg in "$@" ; do 129 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 130 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 131 | 132 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 133 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 134 | else 135 | eval `echo args$i`="\"$arg\"" 136 | fi 137 | i=$((i+1)) 138 | done 139 | case $i in 140 | (0) set -- ;; 141 | (1) set -- "$args0" ;; 142 | (2) set -- "$args0" "$args1" ;; 143 | (3) set -- "$args0" "$args1" "$args2" ;; 144 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 145 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 146 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 147 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 148 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 149 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 150 | esac 151 | fi 152 | 153 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules 154 | function splitJvmOpts() { 155 | JVM_OPTS=("$@") 156 | } 157 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS 158 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" 159 | 160 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" 161 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 12 | set DEFAULT_JVM_OPTS= 13 | 14 | set DIRNAME=%~dp0 15 | if "%DIRNAME%" == "" set DIRNAME=. 16 | set APP_BASE_NAME=%~n0 17 | set APP_HOME=%DIRNAME% 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windowz variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | if "%@eval[2+2]" == "4" goto 4NT_args 53 | 54 | :win9xME_args 55 | @rem Slurp the command line arguments. 56 | set CMD_LINE_ARGS= 57 | set _SKIP=2 58 | 59 | :win9xME_args_slurp 60 | if "x%~1" == "x" goto execute 61 | 62 | set CMD_LINE_ARGS=%* 63 | goto execute 64 | 65 | :4NT_args 66 | @rem Get arguments from the 4NT Shell from JP Software 67 | set CMD_LINE_ARGS=%$ 68 | 69 | :execute 70 | @rem Setup the command line 71 | 72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 73 | 74 | @rem Execute Gradle 75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 76 | 77 | :end 78 | @rem End local scope for the variables with windows NT shell 79 | if "%ERRORLEVEL%"=="0" goto mainEnd 80 | 81 | :fail 82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 83 | rem the _cmd.exe /c_ return code! 84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 85 | exit /b 1 86 | 87 | :mainEnd 88 | if "%OS%"=="Windows_NT" endlocal 89 | 90 | :omega 91 | -------------------------------------------------------------------------------- /library/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /library/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.library' 2 | 3 | android { 4 | compileSdkVersion 24 5 | buildToolsVersion "24.0.0" 6 | 7 | defaultConfig { 8 | minSdkVersion 9 9 | targetSdkVersion 24 10 | versionCode 10000 11 | versionName "1.0.0" 12 | } 13 | } 14 | 15 | dependencies { 16 | compile fileTree(dir: 'libs', include: ['*.jar']) 17 | provided 'com.android.support:appcompat-v7:24.2.1' 18 | } 19 | -------------------------------------------------------------------------------- /library/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in /Users/Andy/Dev/android-sdk/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | -------------------------------------------------------------------------------- /library/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /library/src/main/java/io/github/luckyandyzhang/mentionedittext/MentionEditText.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2016 Andy 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package io.github.luckyandyzhang.mentionedittext; 18 | 19 | import android.content.Context; 20 | import android.graphics.Color; 21 | import android.support.v7.widget.AppCompatEditText; 22 | import android.text.Editable; 23 | import android.text.InputType; 24 | import android.text.Spannable; 25 | import android.text.TextUtils; 26 | import android.text.TextWatcher; 27 | import android.text.style.ForegroundColorSpan; 28 | import android.util.AttributeSet; 29 | import android.view.KeyEvent; 30 | import android.view.inputmethod.EditorInfo; 31 | import android.view.inputmethod.InputConnection; 32 | import android.view.inputmethod.InputConnectionWrapper; 33 | import android.widget.EditText; 34 | 35 | import java.util.ArrayList; 36 | import java.util.HashMap; 37 | import java.util.List; 38 | import java.util.Map; 39 | import java.util.regex.Matcher; 40 | import java.util.regex.Pattern; 41 | 42 | 43 | /** 44 | * MentionEditText adds some useful features for mention string(@xxxx), such as highlight, 45 | * intelligent deletion, intelligent selection and '@' input detection, etc. 46 | * 47 | * @author Andy 48 | */ 49 | public class MentionEditText extends AppCompatEditText { 50 | public static final String DEFAULT_METION_TAG = "@"; 51 | public static final String DEFAULT_MENTION_PATTERN = "@[\\u4e00-\\u9fa5\\w\\-]+"; 52 | 53 | private Map mPatternMap = new HashMap<>(); 54 | private Runnable mAction; 55 | 56 | private int mMentionTextColor; 57 | 58 | private boolean mIsSelected; 59 | private Range mLastSelectedRange; 60 | private List mRangeArrayList; 61 | 62 | private OnMentionInputListener mOnMentionInputListener; 63 | 64 | public MentionEditText(Context context) { 65 | super(context); 66 | init(); 67 | } 68 | 69 | public MentionEditText(Context context, AttributeSet attrs) { 70 | super(context, attrs); 71 | init(); 72 | } 73 | 74 | public MentionEditText(Context context, AttributeSet attrs, int defStyleAttr) { 75 | super(context, attrs, defStyleAttr); 76 | init(); 77 | } 78 | 79 | @Override 80 | public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 81 | return new HackInputConnection(super.onCreateInputConnection(outAttrs), true, this); 82 | } 83 | 84 | @Override 85 | public void setText(final CharSequence text, BufferType type) { 86 | super.setText(text, type); 87 | //hack, put the cursor at the end of text after calling setText() method 88 | if (mAction == null) { 89 | mAction = new Runnable() { 90 | @Override 91 | public void run() { 92 | setSelection(getText().length()); 93 | } 94 | }; 95 | } 96 | post(mAction); 97 | } 98 | 99 | @Override 100 | protected void onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter) { 101 | colorMentionString(); 102 | } 103 | 104 | @Override 105 | protected void onSelectionChanged(int selStart, int selEnd) { 106 | super.onSelectionChanged(selStart, selEnd); 107 | //avoid infinite recursion after calling setSelection() 108 | if (mLastSelectedRange != null && mLastSelectedRange.isEqual(selStart, selEnd)) { 109 | return; 110 | } 111 | 112 | //if user cancel a selection of mention string, reset the state of 'mIsSelected' 113 | Range closestRange = getRangeOfClosestMentionString(selStart, selEnd); 114 | if (closestRange != null && closestRange.to == selEnd) { 115 | mIsSelected = false; 116 | } 117 | 118 | Range nearbyRange = getRangeOfNearbyMentionString(selStart, selEnd); 119 | //if there is no mention string nearby the cursor, just skip 120 | if (nearbyRange == null) { 121 | return; 122 | } 123 | 124 | //forbid cursor located in the mention string. 125 | if (selStart == selEnd) { 126 | setSelection(nearbyRange.getAnchorPosition(selStart)); 127 | } else { 128 | if (selEnd < nearbyRange.to) { 129 | setSelection(selStart, nearbyRange.to); 130 | } 131 | if (selStart > nearbyRange.from) { 132 | setSelection(nearbyRange.from, selEnd); 133 | } 134 | } 135 | } 136 | 137 | /** 138 | * set regularExpression by tag 139 | * 140 | * @param pattern regularExpression 141 | */ 142 | public void setPattern(String tag, String pattern) { 143 | mPatternMap.clear(); 144 | addPattern(tag, pattern); 145 | } 146 | 147 | /** 148 | * add regularExpression by tag 149 | * @param tag set tag for regularExpression 150 | * @param pattern regularExpression 151 | */ 152 | public void addPattern(String tag, String pattern) { 153 | mPatternMap.put(tag, Pattern.compile(pattern)); 154 | } 155 | 156 | /** 157 | * set highlight color of mention string 158 | * 159 | * @param color value from 'getResources().getColor()' or 'Color.parseColor()' etc. 160 | */ 161 | public void setMentionTextColor(int color) { 162 | mMentionTextColor = color; 163 | } 164 | 165 | /** 166 | * get a list of mention string 167 | * 168 | * @param excludeMentionCharacter if true, return mention string with format like 'Andy' instead of "@Andy" 169 | * @return list of mention string 170 | */ 171 | public List getMentionList(boolean excludeMentionCharacter) { 172 | List mentionList = new ArrayList<>(); 173 | if (TextUtils.isEmpty(getText().toString())) { 174 | return mentionList; 175 | } 176 | for (Map.Entry entry : mPatternMap.entrySet()) { 177 | Matcher matcher = entry.getValue().matcher(getText().toString()); 178 | while (matcher.find()) { 179 | String mentionText = matcher.group(); 180 | //tailor the mention string, using the format likes 'Andy' instead of "@Andy" 181 | if (excludeMentionCharacter) { 182 | //careful! 'Andy#' will be the result of '#Andy#' here 183 | mentionText = mentionText.substring(1); 184 | } 185 | if (!mentionList.contains(mentionText)) { 186 | mentionList.add(mentionText); 187 | } 188 | } 189 | } 190 | return mentionList; 191 | } 192 | 193 | /** 194 | * get a list of mention string by tag 195 | * 196 | * @param excludeMentionCharacter if true, return mention string with format like 'Andy' instead of "@Andy" 197 | * @return list of mention string 198 | */ 199 | public List getMentionList(String tag, boolean excludeMentionCharacter) { 200 | List mentionList = new ArrayList<>(); 201 | if (TextUtils.isEmpty(getText().toString())) { 202 | return mentionList; 203 | } 204 | for (Map.Entry entry : mPatternMap.entrySet()) { 205 | if (entry.getKey().equals(tag)){ 206 | Matcher matcher = entry.getValue().matcher(getText().toString()); 207 | while (matcher.find()) { 208 | String mentionText = matcher.group(); 209 | //tailor the mention string, using the format likes 'Andy' instead of "@Andy" 210 | if (excludeMentionCharacter) { 211 | //careful! 'Andy#' will be the result of '#Andy#' here 212 | mentionText = mentionText.substring(1); 213 | } 214 | if (!mentionList.contains(mentionText)) { 215 | mentionList.add(mentionText); 216 | } 217 | } 218 | break; 219 | } 220 | } 221 | return mentionList; 222 | } 223 | 224 | /** 225 | * set listener for mention character('@') 226 | * 227 | * @param onMentionInputListener MentionEditText.OnMentionInputListener 228 | */ 229 | public void setOnMentionInputListener(OnMentionInputListener onMentionInputListener) { 230 | mOnMentionInputListener = onMentionInputListener; 231 | } 232 | 233 | private void init() { 234 | mRangeArrayList = new ArrayList<>(5); 235 | setPattern(DEFAULT_METION_TAG, DEFAULT_MENTION_PATTERN); 236 | mMentionTextColor = Color.RED; 237 | //disable suggestion 238 | setInputType(InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 239 | addTextChangedListener(new MentionTextWatcher()); 240 | } 241 | 242 | private void colorMentionString() { 243 | //reset state 244 | mIsSelected = false; 245 | if (mRangeArrayList != null) { 246 | mRangeArrayList.clear(); 247 | } 248 | 249 | Editable spannableText = getText(); 250 | if (spannableText == null || TextUtils.isEmpty(spannableText.toString())) { 251 | return; 252 | } 253 | 254 | //remove previous spans 255 | ForegroundColorSpan[] oldSpans = spannableText.getSpans(0, spannableText.length(), ForegroundColorSpan.class); 256 | for (ForegroundColorSpan oldSpan : oldSpans) { 257 | spannableText.removeSpan(oldSpan); 258 | } 259 | 260 | //find mention string and color it 261 | String text = spannableText.toString(); 262 | for (Map.Entry entry : mPatternMap.entrySet()) { 263 | int lastMentionIndex = -1; 264 | Matcher matcher = entry.getValue().matcher(text); 265 | while (matcher.find()) { 266 | String mentionText = matcher.group(); 267 | int start; 268 | if (lastMentionIndex != -1) { 269 | start = text.indexOf(mentionText, lastMentionIndex); 270 | } else { 271 | start = text.indexOf(mentionText); 272 | } 273 | int end = start + mentionText.length(); 274 | spannableText.setSpan(new ForegroundColorSpan(mMentionTextColor), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 275 | lastMentionIndex = end; 276 | //record all mention-string's position 277 | mRangeArrayList.add(new Range(start, end)); 278 | } 279 | } 280 | } 281 | 282 | private Range getRangeOfClosestMentionString(int selStart, int selEnd) { 283 | if (mRangeArrayList == null) { 284 | return null; 285 | } 286 | for (Range range : mRangeArrayList) { 287 | if (range.contains(selStart, selEnd)) { 288 | return range; 289 | } 290 | } 291 | return null; 292 | } 293 | 294 | private Range getRangeOfNearbyMentionString(int selStart, int selEnd) { 295 | if (mRangeArrayList == null) { 296 | return null; 297 | } 298 | for (Range range : mRangeArrayList) { 299 | if (range.isWrappedBy(selStart, selEnd)) { 300 | return range; 301 | } 302 | } 303 | return null; 304 | } 305 | 306 | //text watcher for mention character('@') 307 | private class MentionTextWatcher implements TextWatcher { 308 | @Override 309 | public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) { 310 | } 311 | 312 | @Override 313 | public void onTextChanged(CharSequence charSequence, int index, int i1, int count) { 314 | if (count == 1 && !TextUtils.isEmpty(charSequence)) { 315 | char mentionChar = charSequence.toString().charAt(index); 316 | for (Map.Entry entry : mPatternMap.entrySet()) { 317 | if (entry.getKey().equals(String.valueOf(mentionChar)) && mOnMentionInputListener != null) { 318 | mOnMentionInputListener.onMentionCharacterInput(entry.getKey()); 319 | break; 320 | } 321 | } 322 | } 323 | } 324 | 325 | @Override 326 | public void afterTextChanged(Editable editable) { 327 | } 328 | } 329 | 330 | //handle the deletion action for mention string, such as '@test' 331 | private class HackInputConnection extends InputConnectionWrapper { 332 | private EditText editText; 333 | 334 | HackInputConnection(InputConnection target, boolean mutable, MentionEditText editText) { 335 | super(target, mutable); 336 | this.editText = editText; 337 | } 338 | 339 | @Override 340 | public boolean sendKeyEvent(KeyEvent event) { 341 | if (event.getAction() == KeyEvent.ACTION_DOWN && event.getKeyCode() == KeyEvent.KEYCODE_DEL) { 342 | int selectionStart = editText.getSelectionStart(); 343 | int selectionEnd = editText.getSelectionEnd(); 344 | Range closestRange = getRangeOfClosestMentionString(selectionStart, selectionEnd); 345 | if (closestRange == null) { 346 | mIsSelected = false; 347 | return super.sendKeyEvent(event); 348 | } 349 | //if mention string has been selected or the cursor is at the beginning of mention string, just use default action(delete) 350 | if (mIsSelected || selectionStart == closestRange.from) { 351 | mIsSelected = false; 352 | return super.sendKeyEvent(event); 353 | } else { 354 | //select the mention string 355 | mIsSelected = true; 356 | mLastSelectedRange = closestRange; 357 | setSelection(closestRange.to, closestRange.from); 358 | } 359 | return true; 360 | } 361 | return super.sendKeyEvent(event); 362 | } 363 | 364 | @Override 365 | public boolean deleteSurroundingText(int beforeLength, int afterLength) { 366 | if (beforeLength == 1 && afterLength == 0) { 367 | return sendKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_DEL)) 368 | && sendKeyEvent(new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_DEL)); 369 | } 370 | return super.deleteSurroundingText(beforeLength, afterLength); 371 | } 372 | } 373 | 374 | //helper class to record the position of mention string in EditText 375 | private class Range { 376 | int from; 377 | int to; 378 | 379 | Range(int from, int to) { 380 | this.from = from; 381 | this.to = to; 382 | } 383 | 384 | boolean isWrappedBy(int start, int end) { 385 | return (start > from && start < to) || (end > from && end < to); 386 | } 387 | 388 | boolean contains(int start, int end) { 389 | return from <= start && to >= end; 390 | } 391 | 392 | boolean isEqual(int start, int end) { 393 | return (from == start && to == end) || (from == end && to == start); 394 | } 395 | 396 | int getAnchorPosition(int value) { 397 | if ((value - from) - (to - value) >= 0) { 398 | return to; 399 | } else { 400 | return from; 401 | } 402 | } 403 | } 404 | 405 | /** 406 | * Listener for '@' character 407 | */ 408 | public interface OnMentionInputListener { 409 | /** 410 | * call when '@' character is inserted into EditText 411 | */ 412 | void onMentionCharacterInput(String tag); 413 | } 414 | 415 | } 416 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':library' 2 | --------------------------------------------------------------------------------