list = new ArrayList<>();
24 | list.add("page 1");
25 | list.add("page 2");
26 |
27 | SimplePagerAdapter adapter = new SimplePagerAdapter(this, list);
28 | pager.setAdapter(adapter);
29 |
30 | indicator.setPager(pager);
31 |
32 |
33 |
34 | list.add("page 3");
35 | //
36 | adapter.notifyDataSetChanged();
37 |
38 | //indicator.setPager(pager);
39 |
40 | pager.setCurrentItem(2);
41 |
42 | }
43 | }
44 |
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/app/src/main/java/com/ravindu1024/viewpagerindicator/SimplePagerAdapter.java:
--------------------------------------------------------------------------------
1 | package com.ravindu1024.viewpagerindicator;
2 |
3 | import android.content.Context;
4 | import android.support.v4.view.PagerAdapter;
5 | import android.view.LayoutInflater;
6 | import android.view.View;
7 | import android.view.ViewGroup;
8 | import android.widget.TextView;
9 |
10 | import java.util.ArrayList;
11 |
12 | /**
13 | * Intavu
14 | *
15 | * Created by ravindu on 20/07/16.
16 | */
17 | public class SimplePagerAdapter extends PagerAdapter
18 | {
19 | private ArrayList data;
20 | private LayoutInflater mInflator = null;
21 | private Context mContext = null;
22 |
23 | public SimplePagerAdapter(Context context, ArrayList d)
24 | {
25 | mContext = context;
26 | data = d;
27 |
28 | mInflator = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
29 | }
30 |
31 |
32 | public Object instantiateItem(ViewGroup collection, int position)
33 | {
34 | ViewGroup layout;
35 | layout = (ViewGroup) mInflator.inflate(R.layout.pager_layout, collection, false);
36 | TextView t = (TextView) layout.findViewById(R.id.textView);
37 | t.setText(data.get(position));
38 |
39 | collection.addView(layout);
40 | return layout;
41 | }
42 |
43 | @Override
44 | public void destroyItem(ViewGroup collection, int position, Object view)
45 | {
46 | collection.removeView((View) view);
47 | }
48 |
49 | @Override
50 | public int getCount()
51 | {
52 | return data.size();
53 | }
54 |
55 | @Override
56 | public boolean isViewFromObject(View view, Object object)
57 | {
58 | return view == object;
59 | }
60 | }
61 |
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/app/src/main/res/layout/activity_main.xml:
--------------------------------------------------------------------------------
1 |
2 |
13 |
14 |
15 |
27 |
28 |
37 |
38 |
39 |
40 |
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/app/src/main/res/layout/pager_layout.xml:
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1 |
2 |
7 |
8 |
15 |
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/app/src/main/res/mipmap-hdpi/ic_launcher.png:
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https://raw.githubusercontent.com/ravindu1024/android-viewpager-indicator/f308dad86194bf60e84d9228673a9eed3e9d50e2/app/src/main/res/mipmap-hdpi/ic_launcher.png
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/app/src/main/res/mipmap-mdpi/ic_launcher.png:
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https://raw.githubusercontent.com/ravindu1024/android-viewpager-indicator/f308dad86194bf60e84d9228673a9eed3e9d50e2/app/src/main/res/mipmap-mdpi/ic_launcher.png
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/app/src/main/res/mipmap-xhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/ravindu1024/android-viewpager-indicator/f308dad86194bf60e84d9228673a9eed3e9d50e2/app/src/main/res/mipmap-xhdpi/ic_launcher.png
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/app/src/main/res/mipmap-xxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/ravindu1024/android-viewpager-indicator/f308dad86194bf60e84d9228673a9eed3e9d50e2/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
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/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/ravindu1024/android-viewpager-indicator/f308dad86194bf60e84d9228673a9eed3e9d50e2/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
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/app/src/main/res/values-w820dp/dimens.xml:
--------------------------------------------------------------------------------
1 |
2 |
5 | 64dp
6 |
7 |
--------------------------------------------------------------------------------
/app/src/main/res/values/colors.xml:
--------------------------------------------------------------------------------
1 |
2 |
3 | #3F51B5
4 | #303F9F
5 | #FF4081
6 |
7 |
--------------------------------------------------------------------------------
/app/src/main/res/values/dimens.xml:
--------------------------------------------------------------------------------
1 |
2 |
3 | 16dp
4 | 16dp
5 |
6 |
--------------------------------------------------------------------------------
/app/src/main/res/values/strings.xml:
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1 |
2 | ViewPagerIndicator
3 |
4 |
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/app/src/main/res/values/styles.xml:
--------------------------------------------------------------------------------
1 |
2 |
3 |
4 |
10 |
11 |
12 |
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/app/src/test/java/com/ravindu1024/viewpagerindicator/ExampleUnitTest.java:
--------------------------------------------------------------------------------
1 | package com.ravindu1024.viewpagerindicator;
2 |
3 | import org.junit.Test;
4 |
5 | import static org.junit.Assert.*;
6 |
7 | /**
8 | * To work on unit tests, switch the Test Artifact in the Build Variants view.
9 | */
10 | public class ExampleUnitTest
11 | {
12 | @Test
13 | public void addition_isCorrect() throws Exception
14 | {
15 | assertEquals(4, 2 + 2);
16 | }
17 | }
--------------------------------------------------------------------------------
/build.gradle:
--------------------------------------------------------------------------------
1 | // Top-level build file where you can add configuration options common to all sub-projects/modules.
2 |
3 | buildscript {
4 | ext.kotlin_version = '1.2.50'
5 | repositories {
6 | google()
7 | jcenter()
8 | }
9 | dependencies {
10 | classpath 'com.android.tools.build:gradle:3.1.3'
11 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
12 |
13 | // NOTE: Do not place your application dependencies here; they belong
14 | // in the individual module build.gradle files
15 | }
16 | }
17 |
18 | allprojects {
19 | repositories {
20 | google()
21 | jcenter()
22 | }
23 | }
24 |
25 | task clean(type: Delete) {
26 | delete rootProject.buildDir
27 | }
28 |
--------------------------------------------------------------------------------
/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
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/gradle/wrapper/gradle-wrapper.jar:
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https://raw.githubusercontent.com/ravindu1024/android-viewpager-indicator/f308dad86194bf60e84d9228673a9eed3e9d50e2/gradle/wrapper/gradle-wrapper.jar
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/gradle/wrapper/gradle-wrapper.properties:
--------------------------------------------------------------------------------
1 | #Fri Jul 14 17:12:20 AEST 2017
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-4.8-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 |
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/images/screen1.png:
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https://raw.githubusercontent.com/ravindu1024/android-viewpager-indicator/f308dad86194bf60e84d9228673a9eed3e9d50e2/images/screen1.png
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/images/screen2.png:
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https://raw.githubusercontent.com/ravindu1024/android-viewpager-indicator/f308dad86194bf60e84d9228673a9eed3e9d50e2/images/screen2.png
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/images/screen3.png:
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https://raw.githubusercontent.com/ravindu1024/android-viewpager-indicator/f308dad86194bf60e84d9228673a9eed3e9d50e2/images/screen3.png
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/indicatorlib/.gitignore:
--------------------------------------------------------------------------------
1 | /build
2 |
--------------------------------------------------------------------------------
/indicatorlib/build.gradle:
--------------------------------------------------------------------------------
1 | apply plugin: 'com.android.library'
2 | apply plugin: 'kotlin-android'
3 |
4 | android {
5 | compileSdkVersion 27
6 | buildToolsVersion '28.0.0'
7 |
8 | defaultConfig {
9 | minSdkVersion 19
10 | targetSdkVersion 27
11 | versionCode 5
12 | versionName "1.0.5"
13 | }
14 | buildTypes {
15 | release {
16 | minifyEnabled false
17 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
18 | }
19 | }
20 | }
21 |
22 | dependencies {
23 | implementation fileTree(include: ['*.jar'], dir: 'libs')
24 | testImplementation 'junit:junit:4.12'
25 | implementation 'com.android.support:appcompat-v7:27.1.1'
26 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
27 | implementation 'com.android.support:support-v4:27.1.1'
28 | }
29 |
--------------------------------------------------------------------------------
/indicatorlib/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 /home/vortilla/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 |
--------------------------------------------------------------------------------
/indicatorlib/src/androidTest/java/com/ravindu1024/indicatorlib/ApplicationTest.java:
--------------------------------------------------------------------------------
1 | package com.ravindu1024.indicatorlib;
2 |
3 | import android.app.Application;
4 | import android.test.ApplicationTestCase;
5 |
6 | /**
7 | * Testing Fundamentals
8 | */
9 | public class ApplicationTest extends ApplicationTestCase
10 | {
11 | public ApplicationTest()
12 | {
13 | super(Application.class);
14 | }
15 | }
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/indicatorlib/src/main/AndroidManifest.xml:
--------------------------------------------------------------------------------
1 |
3 |
4 |
9 |
10 |
11 |
12 |
13 |
--------------------------------------------------------------------------------
/indicatorlib/src/main/java/com/ravindu1024/indicatorlib/ViewPagerIndicator.kt:
--------------------------------------------------------------------------------
1 | package com.ravindu1024.indicatorlib
2 |
3 | import android.content.Context
4 | import android.database.DataSetObserver
5 | import android.graphics.Color
6 | import android.graphics.LightingColorFilter
7 | import android.support.annotation.AttrRes
8 | import android.support.annotation.ColorInt
9 | import android.support.annotation.Dimension
10 | import android.support.annotation.DrawableRes
11 | import android.support.v4.view.PagerAdapter
12 | import android.support.v4.view.ViewPager
13 | import android.util.AttributeSet
14 | import android.util.TypedValue
15 | import android.view.Gravity
16 | import android.widget.ImageView
17 | import android.widget.LinearLayout
18 |
19 | /**
20 | * ViewPagerIndicator
21 | *
22 | *
23 | * Created by ravindu on 20/07/16.
24 | *
25 | */
26 | class ViewPagerIndicator : LinearLayout, ViewPager.OnPageChangeListener, ViewPager.OnAdapterChangeListener {
27 | private var mContext: Context? = null
28 | private var mPager: ViewPager? = null
29 |
30 | @ColorInt
31 | private var mSelectedColor = -1
32 | @ColorInt
33 | private var mDeselectedColor = -1
34 | @DrawableRes
35 | private var mSelectedDrawable = -1
36 | @DrawableRes
37 | private var mDeselectedDrawable = -1
38 | @Dimension
39 | private var mIndicatorSpacing = 5
40 | private var mAnimationDuration = 150
41 | private var mAnimScaleMultiplier = 1.5f
42 | private var mAnimate = false
43 | @ColorInt private var mBackgroundColorCustom = -1
44 |
45 | private val mDatasetObserver = object : DataSetObserver() {
46 | override fun onChanged() {
47 | super.onChanged()
48 |
49 | initializeIndicatorBar(mPager!!.adapter!!.count)
50 | }
51 | }
52 |
53 | /**
54 | * Set this after setting the adapter to the pager.
55 | * @param pager the connected viewpager
56 | */
57 | fun setPager(pager: ViewPager) {
58 |
59 | mPager?.let{
60 | it.removeOnPageChangeListener(this@ViewPagerIndicator)
61 | it.removeOnAdapterChangeListener(this@ViewPagerIndicator)
62 | it.adapter?.unregisterDataSetObserver(mDatasetObserver)
63 | }
64 |
65 | mPager = pager
66 |
67 | initializeIndicatorBar(mPager!!.adapter?.count ?: 0)
68 | mPager!!.addOnPageChangeListener(this)
69 | mPager!!.addOnAdapterChangeListener(this)
70 | mPager!!.adapter!!.registerDataSetObserver(mDatasetObserver)
71 |
72 | }
73 |
74 |
75 | constructor(context: Context) : super(context) {
76 | initializeViews(context, null)
77 | }
78 |
79 | constructor(context: Context, attrs: AttributeSet) : super(context, attrs) {
80 | initializeViews(context, attrs)
81 | }
82 |
83 | constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr) {
84 | initializeViews(context, attrs)
85 | }
86 |
87 |
88 | private fun initializeViews(context: Context, attrs: AttributeSet?) {
89 | mContext = context
90 |
91 | if (attrs != null) {
92 | val a = context.obtainStyledAttributes(attrs, R.styleable.ViewPagerIndicator)
93 |
94 | mSelectedColor = a.getColor(R.styleable.ViewPagerIndicator_selectedColor, getThemeColor(context, R.attr.colorAccent))
95 | mDeselectedColor = a.getColor(R.styleable.ViewPagerIndicator_deselectedColor, Color.LTGRAY)
96 | mSelectedDrawable = a.getResourceId(R.styleable.ViewPagerIndicator_selectedDrawable, -1)
97 | mDeselectedDrawable = a.getResourceId(R.styleable.ViewPagerIndicator_deselectedDrawable, -1)
98 | mIndicatorSpacing = a.getDimension(R.styleable.ViewPagerIndicator_indicatorSpacing, 5f).toInt()
99 | mAnimate = a.getBoolean(R.styleable.ViewPagerIndicator_enableAnimation, false)
100 | mAnimationDuration = a.getInteger(R.styleable.ViewPagerIndicator_animationDuration, 150)
101 | mAnimScaleMultiplier = a.getFloat(R.styleable.ViewPagerIndicator_animationScale, 1.5f)
102 | mBackgroundColorCustom = a.getColor(R.styleable.ViewPagerIndicator_backgroundColor, Color.TRANSPARENT)
103 |
104 | a.recycle()
105 | }
106 |
107 | setBackgroundColor(mBackgroundColorCustom)
108 | }
109 |
110 | @ColorInt
111 | private fun getThemeColor(context: Context, @AttrRes attributeColor: Int): Int {
112 | val value = TypedValue()
113 | context.theme.resolveAttribute(attributeColor, value, true)
114 |
115 | return value.data
116 | }
117 |
118 | private fun initializeIndicatorBar(num: Int) {
119 | removeAllViewsInLayout()
120 |
121 | for (i in 0 until num) {
122 | val img = ImageView(mContext)
123 | img.tag = i
124 |
125 | val lp = LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT)
126 | lp.setMargins(mIndicatorSpacing / 2, 0, mIndicatorSpacing / 2, 0)
127 | lp.gravity = Gravity.CENTER_VERTICAL or Gravity.CENTER_HORIZONTAL
128 | addView(img, lp)
129 | }
130 |
131 | setSelectedIndicator(mPager?.currentItem ?: 0)
132 | }
133 |
134 | private fun setSelectedIndicator(selected: Int) {
135 | val num = childCount
136 |
137 | for (i in 0 until num) {
138 | val img = getChildAt(i) as ImageView?
139 |
140 | img?.let {
141 | if (mAnimate) {
142 | img.clearAnimation()
143 |
144 | img.animate()
145 | .scaleX(1f)
146 | .scaleY(1f)
147 | .setDuration(mAnimationDuration.toLong())
148 | .start()
149 | }
150 |
151 |
152 | img.clearColorFilter()
153 |
154 | if (mDeselectedDrawable != -1) {
155 | img.setImageResource(mDeselectedDrawable)
156 | } else if (mSelectedDrawable != -1) {
157 | img.setImageResource(mSelectedDrawable)
158 | img.colorFilter = LightingColorFilter(0, mDeselectedColor)
159 | } else {
160 | img.setImageResource(R.drawable.circle_drawable)
161 | img.colorFilter = LightingColorFilter(0, mDeselectedColor)
162 | }
163 | }
164 | }
165 |
166 | val selectedView = getChildAt(selected) as ImageView?
167 | selectedView?.let {
168 | if (mAnimate) {
169 | selectedView.animate()
170 | .scaleX(mAnimScaleMultiplier)
171 | .scaleY(mAnimScaleMultiplier)
172 | .setDuration(mAnimationDuration.toLong())
173 | .start()
174 | }
175 |
176 | if (mSelectedDrawable != -1) {
177 | selectedView.clearColorFilter()
178 | selectedView.setImageResource(mSelectedDrawable)
179 | } else {
180 | selectedView.colorFilter = LightingColorFilter(0, mSelectedColor)
181 | }
182 | }
183 |
184 |
185 | }
186 |
187 |
188 | override fun onPageScrolled(position: Int, positionOffset: Float, positionOffsetPixels: Int) {}
189 |
190 | override fun onPageSelected(position: Int) {
191 | setSelectedIndicator(position)
192 | }
193 |
194 | override fun onPageScrollStateChanged(state: Int) {}
195 |
196 | override fun onAdapterChanged(viewPager: ViewPager, oldAdapter: PagerAdapter?, newAdapter: PagerAdapter?) {
197 | oldAdapter?.unregisterDataSetObserver(mDatasetObserver)
198 | newAdapter?.let {
199 | initializeIndicatorBar(it.count)
200 | it.registerDataSetObserver(mDatasetObserver)
201 | }
202 | }
203 |
204 | }
205 |
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/indicatorlib/src/main/res/drawable/circle_drawable.xml:
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6 |
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9 |
12 |
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/indicatorlib/src/main/res/values/attrs.xml:
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1 |
2 |
3 |
4 |
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6 |
7 |
8 |
9 |
10 |
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14 |
15 |
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/indicatorlib/src/main/res/values/strings.xml:
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1 |
2 | IndicatorLib
3 |
4 |
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/indicatorlib/src/main/res/values/styles.xml:
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1 |
2 |
3 |
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/indicatorlib/src/test/java/com/ravindu1024/indicatorlib/ExampleUnitTest.java:
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1 | package com.ravindu1024.indicatorlib;
2 |
3 | import org.junit.Test;
4 |
5 | import static org.junit.Assert.*;
6 |
7 | /**
8 | * To work on unit tests, switch the Test Artifact in the Build Variants view.
9 | */
10 | public class ExampleUnitTest
11 | {
12 | @Test
13 | public void addition_isCorrect() throws Exception
14 | {
15 | assertEquals(4, 2 + 2);
16 | }
17 | }
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/settings.gradle:
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1 | include ':app', ':indicatorlib'
2 |
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