├── .idea
├── .name
├── copyright
│ └── profiles_settings.xml
├── encodings.xml
├── modules.xml
├── runConfigurations.xml
├── compiler.xml
├── gradle.xml
└── misc.xml
├── app
├── .gitignore
├── src
│ ├── main
│ │ ├── res
│ │ │ ├── mipmap-hdpi
│ │ │ │ ├── down.png
│ │ │ │ ├── up.png
│ │ │ │ └── ic_launcher.png
│ │ │ ├── mipmap-mdpi
│ │ │ │ └── ic_launcher.png
│ │ │ ├── mipmap-xhdpi
│ │ │ │ └── ic_launcher.png
│ │ │ ├── mipmap-xxhdpi
│ │ │ │ └── ic_launcher.png
│ │ │ ├── mipmap-xxxhdpi
│ │ │ │ └── ic_launcher.png
│ │ │ ├── values
│ │ │ │ ├── colors.xml
│ │ │ │ ├── dimens.xml
│ │ │ │ ├── strings.xml
│ │ │ │ ├── styles.xml
│ │ │ │ └── attrs.xml
│ │ │ ├── values-v21
│ │ │ │ └── styles.xml
│ │ │ ├── values-w820dp
│ │ │ │ └── dimens.xml
│ │ │ ├── menu
│ │ │ │ └── menu_main.xml
│ │ │ └── layout
│ │ │ │ └── activity_main.xml
│ │ ├── java
│ │ │ ├── com
│ │ │ │ └── igeek
│ │ │ │ │ └── expandtextview
│ │ │ │ │ └── MainActivity.java
│ │ │ └── widget
│ │ │ │ ├── LineText.java
│ │ │ │ └── ExpandTextView.java
│ │ └── AndroidManifest.xml
│ └── androidTest
│ │ └── java
│ │ └── com
│ │ └── igeek
│ │ └── expandtextview
│ │ └── ApplicationTest.java
├── proguard-rules.pro
└── build.gradle
├── settings.gradle
├── pic
├── expandtextview.gif
└── expandtextview2.gif
├── gradle
└── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── .gitignore
├── gradle.properties
├── README.md
├── gradlew.bat
└── gradlew
/.idea/.name:
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1 | ExpandTextView
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/app/.gitignore:
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1 | /build
2 |
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/settings.gradle:
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1 | include ':app'
2 |
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/pic/expandtextview.gif:
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https://raw.githubusercontent.com/igeek-YZ/ExpandTextView/HEAD/pic/expandtextview.gif
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/pic/expandtextview2.gif:
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https://raw.githubusercontent.com/igeek-YZ/ExpandTextView/HEAD/pic/expandtextview2.gif
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/.idea/copyright/profiles_settings.xml:
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1 |
2 |
3 |
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/gradle/wrapper/gradle-wrapper.jar:
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https://raw.githubusercontent.com/igeek-YZ/ExpandTextView/HEAD/gradle/wrapper/gradle-wrapper.jar
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/app/src/main/res/mipmap-hdpi/down.png:
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https://raw.githubusercontent.com/igeek-YZ/ExpandTextView/HEAD/app/src/main/res/mipmap-hdpi/down.png
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/app/src/main/res/mipmap-hdpi/up.png:
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https://raw.githubusercontent.com/igeek-YZ/ExpandTextView/HEAD/app/src/main/res/mipmap-hdpi/up.png
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/.gitignore:
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1 | *.iml
2 | .gradle
3 | /local.properties
4 | /.idea/workspace.xml
5 | /.idea/libraries
6 | .DS_Store
7 | /build
8 | /captures
9 |
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/app/src/main/res/mipmap-hdpi/ic_launcher.png:
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https://raw.githubusercontent.com/igeek-YZ/ExpandTextView/HEAD/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/igeek-YZ/ExpandTextView/HEAD/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/igeek-YZ/ExpandTextView/HEAD/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/igeek-YZ/ExpandTextView/HEAD/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/igeek-YZ/ExpandTextView/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
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/.idea/encodings.xml:
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1 |
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6 |
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/app/src/main/res/values/colors.xml:
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1 |
2 |
3 | #3F51B5
4 | #303F9F
5 | #FF4081
6 |
7 |
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/gradle/wrapper/gradle-wrapper.properties:
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1 | #Mon Dec 28 10:00:20 PST 2015
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-2.10-all.zip
7 |
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/app/src/main/res/values/dimens.xml:
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1 |
2 |
3 | 16dp
4 | 16dp
5 | 16dp
6 |
7 |
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/app/src/main/res/values-v21/styles.xml:
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/.idea/modules.xml:
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/app/src/main/res/values-w820dp/dimens.xml:
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5 | 64dp
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/app/src/androidTest/java/com/igeek/expandtextview/ApplicationTest.java:
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1 | package com.igeek.expandtextview;
2 |
3 | import android.app.Application;
4 | import android.test.ApplicationTestCase;
5 |
6 | /**
7 | * Testing Fundamentals
8 | */
9 | public class ApplicationTest extends ApplicationTestCase {
10 | public ApplicationTest() {
11 | super(Application.class);
12 | }
13 | }
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/app/src/main/res/menu/menu_main.xml:
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/.idea/runConfigurations.xml:
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/app/src/main/res/values/strings.xml:
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1 |
2 | ExpandTextView
3 | Settings
4 | 作为Android开发人员,免不了会研读下Android源码,之前在Windows平台一直使用SourceInsight这款优秀的代码分析阅读工具.转移到Mac平台后,一直没有找到合适的代替品,也用过 Eclipse , AndroidStudio 来导入源码,但是用起来还是别扭(主要是卡).在此推荐一款Mac下的SourceInsight替代品,代码分析阅读工具Understand.
5 | Main2ActivityMain2ActivityMain2ActivityMain2ActivityMain2ActivityMain2ActivityMain2ActivityMain2ActivityMain2ActivityMain2ActivityMain2ActivityMain2ActivityMain2ActivityMain2ActivityMain2ActivityMain2Activity
6 |
7 |
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/app/proguard-rules.pro:
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1 | # Add project specific ProGuard rules here.
2 | # By default, the flags in this file are appended to flags specified
3 | # in /Users/Allen1/Library/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 |
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/app/build.gradle:
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1 | apply plugin: 'com.android.application'
2 |
3 | android {
4 | compileSdkVersion 22
5 | buildToolsVersion "22.0.1"
6 |
7 | defaultConfig {
8 | applicationId "com.igeek.expandtextview"
9 | minSdkVersion 15
10 | targetSdkVersion 22
11 | versionCode 1
12 | versionName "1.0"
13 | }
14 | buildTypes {
15 | release {
16 | minifyEnabled false
17 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
18 | }
19 | }
20 | }
21 |
22 | dependencies {
23 | compile fileTree(dir: 'libs', include: ['*.jar'])
24 | compile 'com.android.support:appcompat-v7:22.2.1'
25 | compile 'com.android.support:design:22.2.1'
26 | }
27 |
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/.idea/compiler.xml:
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/app/src/main/res/values/styles.xml:
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/.idea/gradle.xml:
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/app/src/main/java/com/igeek/expandtextview/MainActivity.java:
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1 | package com.igeek.expandtextview;
2 |
3 | import android.app.Activity;
4 | import android.os.Bundle;
5 |
6 | import widget.ExpandTextView;
7 |
8 |
9 | public class MainActivity extends Activity {
10 |
11 | ExpandTextView textView;
12 |
13 |
14 | @Override
15 | protected void onCreate(Bundle savedInstanceState) {
16 | super.onCreate(savedInstanceState);
17 | setContentView(R.layout.activity_main);
18 | textView= (ExpandTextView) findViewById(R.id.cusTextView);
19 | textView.updateText(getResources().getString(R.string.test_expandtext));
20 | }
21 |
22 | @Override
23 | protected void onResume() {
24 | super.onResume();
25 | // textView.updateText(getResources().getString(R.string.test_expandtext));
26 | }
27 | }
28 |
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/app/src/main/AndroidManifest.xml:
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22 |
23 |
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/gradle.properties:
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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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/app/src/main/res/values/attrs.xml:
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/app/src/main/res/layout/activity_main.xml:
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/.idea/misc.xml:
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/README.md:
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1 |
2 |
3 | #### 效果图 （带提示图标）
4 |
5 | 
6 |
7 |
8 | #### 效果图 （不带提示图标）
9 |
10 | 
11 |
12 | #### activity 文件
13 |
14 | ExpandTextView textView;
15 |
16 | @Override
17 | protected void onCreate(Bundle savedInstanceState) {
18 | super.onCreate(savedInstanceState);
19 | setContentView(R.layout.activity_main);
20 | textView= (ExpandTextView) findViewById(R.id.cusTextView);
21 | textView.updateText(getResources().getString(R.string.test_expandtext));
22 | }
23 |
24 |
25 |
26 | #### xml文件
27 |
28 |
45 |
46 |
47 |
48 | #### 属性说明
49 |
50 |
51 |
52 |
53 |
54 |
55 |
56 |
57 |
58 |
59 |
60 |
61 |
62 |
63 |
64 |
65 |
66 |
67 |
68 |
69 |
70 |
71 |
72 |
73 |
74 |
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/app/src/main/java/widget/LineText.java:
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1 | package widget;
2 |
3 | /**
4 | * Created by igeek on 2016/9/1.
5 | * @author igeek2014@hotmail.com
6 | */
7 | public class LineText {
8 | private String text;
9 | private int startIndex;
10 | private int endIndex;
11 | private int lineIndex;
12 | private int topOffset;
13 | private int bottomOffset;
14 | private int paddingTop;
15 | private int paddingBottom;
16 | private float width;
17 | private int height;
18 | private int baseLine;
19 |
20 | public String getText() {
21 | return text;
22 | }
23 |
24 | public void setText(String text) {
25 | this.text = text;
26 | }
27 |
28 | public int getStartIndex() {
29 | return startIndex;
30 | }
31 |
32 | public void setStartIndex(int startIndex) {
33 | this.startIndex = startIndex;
34 | }
35 |
36 | public int getEndIndex() {
37 | return endIndex;
38 | }
39 |
40 | public void setEndIndex(int endIndex) {
41 | this.endIndex = endIndex;
42 | }
43 |
44 | public int getLineIndex() {
45 | return lineIndex;
46 | }
47 |
48 | public void setLineIndex(int lineIndex) {
49 | this.lineIndex = lineIndex;
50 | }
51 |
52 | public int getTopOffset() {
53 | return topOffset;
54 | }
55 |
56 | public void setTopOffset(int topOffset) {
57 | this.topOffset = topOffset;
58 | }
59 |
60 | public int getPaddingTop() {
61 | return paddingTop;
62 | }
63 |
64 | public void setPaddingTop(int paddingTop) {
65 | this.paddingTop = paddingTop;
66 | }
67 |
68 | public int getPaddingBottom() {
69 | return paddingBottom;
70 | }
71 |
72 | public void setPaddingBottom(int paddingBottom) {
73 | this.paddingBottom = paddingBottom;
74 | }
75 |
76 | public float getWidth() {
77 | return width;
78 | }
79 |
80 | public void setWidth(float width) {
81 | this.width = width;
82 | }
83 |
84 | public int getHeight() {
85 | return height;
86 | }
87 |
88 | public void setHeight(int height) {
89 | this.height = height;
90 | }
91 |
92 | public int getBaseLine() {
93 | return baseLine;
94 | }
95 |
96 | public void setBaseLine(int baseLine) {
97 | this.baseLine = baseLine;
98 | }
99 |
100 | public int getBottomOffset() {
101 | return bottomOffset;
102 | }
103 |
104 | public void setBottomOffset(int bottomOffset) {
105 | this.bottomOffset = bottomOffset;
106 | }
107 | }
108 |
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/gradlew.bat:
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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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/gradlew:
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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 |
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/app/src/main/java/widget/ExpandTextView.java:
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1 | package widget;
2 |
3 | import android.animation.ObjectAnimator;
4 | import android.content.Context;
5 | import android.content.res.TypedArray;
6 | import android.graphics.Bitmap;
7 | import android.graphics.Canvas;
8 | import android.graphics.Matrix;
9 | import android.graphics.Paint;
10 | import android.graphics.PixelFormat;
11 | import android.graphics.drawable.Drawable;
12 | import android.text.Layout;
13 | import android.text.StaticLayout;
14 | import android.text.TextPaint;
15 | import android.text.TextUtils;
16 | import android.util.AttributeSet;
17 | import android.view.View;
18 | import android.view.animation.AccelerateDecelerateInterpolator;
19 |
20 | import com.igeek.expandtextview.R;
21 |
22 | import java.util.ArrayList;
23 | import java.util.List;
24 |
25 | /**
26 | * 缩放展开的动画简单Textview
27 | *
28 | * Created by igeek on 2016/9/1.
29 | * @author igeek2014@hotmail.com
30 | */
31 | public class ExpandTextView extends View implements View.OnClickListener {
32 |
33 | //行文本记录集
34 | private List lineTexts = new ArrayList();
35 | //最大显示文本行数
36 | private int maxLines;
37 | //目标文本行
38 | private int targetLine;
39 | //收缩收起时候的提示图标
40 | private Drawable expandDrawable;
41 | //展开时候的提示图标
42 | private Drawable shrinkDrawable;
43 | //提示图标的宽度
44 | private int drawableWidth;
45 | //提示图标的高度
46 | private int drawableHeight;
47 | //最大显示文本行对应的本视图高度
48 | private int maxLinesHeight;
49 | //展开时候的视图高度
50 | private int expandHeight;
51 | //当前视图的高度
52 | private int viewHeight;
53 | //收缩行结尾提示语文本宽度
54 | private float ellipsizWidth;
55 | //收缩行结尾提示语文本绘制水平起点
56 | private float ellipsizStartX;
57 |
58 | //文本字体大小
59 | private int textSize;
60 | //文本颜色
61 | private int textColor;
62 | //当前文本
63 | private String text;
64 | private String ellipsizText = "...";
65 | //收缩行文本
66 | private String shrinkLineText;
67 | //动画显示时间
68 | private int animDuration;
69 | //是否能够显示 ellipsizText 【需要收缩行当前文本的宽度】
70 | private boolean showEllipsizText = false;
71 | private boolean showTipDrawalbe = false;
72 | private boolean needMeasure = true;
73 |
74 | private StaticLayout layout;
75 | private TextPaint textPaint;
76 |
77 |
78 | public ExpandTextView(Context context) {
79 | this(context, null);
80 | }
81 |
82 | public ExpandTextView(Context context, AttributeSet attrs) {
83 | this(context, attrs, 0);
84 | }
85 |
86 | public ExpandTextView(Context context, AttributeSet attrs, int defStyleAttr) {
87 | super(context, attrs, defStyleAttr);
88 |
89 | TypedArray ta = context.obtainStyledAttributes(attrs, R.styleable.ExpandTextView);
90 |
91 | maxLines = ta.getInt(R.styleable.ExpandTextView_maxLines, -1);
92 | animDuration = ta.getInt(R.styleable.ExpandTextView_animDuration, 300);
93 | textSize = ta.getDimensionPixelSize(R.styleable.ExpandTextView_textSize, 14);
94 | textColor = ta.getColor(R.styleable.ExpandTextView_textColor, 14);
95 | drawableWidth = ta.getDimensionPixelSize(R.styleable.ExpandTextView_drawableWidth, 14);
96 | drawableHeight = ta.getDimensionPixelSize(R.styleable.ExpandTextView_drawableHeight, 14);
97 | expandDrawable = ta.getDrawable(R.styleable.ExpandTextView_expandDrawable);
98 | shrinkDrawable = ta.getDrawable(R.styleable.ExpandTextView_shrinkDrawable);
99 |
100 | ta.recycle();
101 |
102 | textPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG);
103 | textPaint.density = context.getResources().getDisplayMetrics().density;
104 | textPaint.setColor(textColor);
105 | textPaint.setStyle(Paint.Style.FILL_AND_STROKE);
106 | textPaint.setTextSize(textSize);
107 |
108 | }
109 |
110 | @Override
111 | protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
112 | super.onMeasure(widthMeasureSpec, heightMeasureSpec);
113 |
114 | int width = MeasureSpec.getSize(widthMeasureSpec);
115 |
116 | if (needMeasure && (!TextUtils.isEmpty(text))) {
117 | needMeasure = false;
118 | measureHeightState(text, width);
119 | startDrawAnim(0, viewHeight);
120 | }else{
121 | heightMeasureSpec = MeasureSpec.makeMeasureSpec(viewHeight, MeasureSpec.EXACTLY);
122 | setMeasuredDimension(widthMeasureSpec, heightMeasureSpec);
123 | }
124 |
125 | }
126 |
127 | public void updateText(String text) {
128 | if (!TextUtils.isEmpty(text)) {
129 | this.text = text;
130 | needMeasure = true;
131 | requestLayout();
132 | }
133 | }
134 |
135 | private synchronized void measureHeightState(String text, int width) {
136 |
137 | layout = new StaticLayout(text, textPaint, width - getPaddingLeft() - getPaddingRight(), Layout.Alignment.ALIGN_NORMAL, 1.0f, 0f, true);
138 | final int lineCount = layout.getLineCount();
139 | maxLines = (maxLines == -1 || maxLines > lineCount) ? lineCount : maxLines;
140 |
141 | int text_Height = 0;
142 |
143 | List tempLines = new ArrayList();
144 |
145 | for (int index = 0; index < lineCount; index++) {
146 | int start = layout.getLineStart(index);
147 | int end = layout.getLineEnd(index);
148 | LineText lineText = new LineText();
149 | lineText.setStartIndex(start);
150 | lineText.setEndIndex(end - 1);
151 | lineText.setText(text.substring(start, end));
152 | lineText.setTopOffset(layout.getLineTop(index));
153 | lineText.setBottomOffset(layout.getLineBottom(index));
154 | lineText.setBaseLine(layout.getLineBaseline(index)+getPaddingTop());
155 | lineText.setWidth(layout.getLineWidth(index));
156 | lineText.setHeight(lineText.getBottomOffset() - lineText.getTopOffset());
157 | tempLines.add(lineText);
158 |
159 | if (index < maxLines) {
160 | maxLinesHeight += lineText.getHeight();
161 | }
162 |
163 | text_Height += lineText.getHeight();
164 | }
165 |
166 | maxLinesHeight+=getPaddingTop()+getPaddingBottom();
167 | expandHeight+=getPaddingTop()+getPaddingBottom();
168 |
169 | ellipsizWidth = textPaint.measureText(ellipsizText);
170 |
171 | if (maxLines < lineCount) {
172 |
173 | showTipDrawalbe = expandDrawable != null && shrinkDrawable != null;
174 |
175 | float textWidth = tempLines.get(maxLines - 1).getWidth();
176 | float contentWidth = width - getPaddingLeft() - getPaddingRight();
177 | float toMarginRight = ellipsizWidth + (showTipDrawalbe ? drawableWidth : 0);
178 |
179 | String ellipsizLineText = tempLines.get(maxLines - 1).getText();
180 |
181 | if (contentWidth - textWidth < toMarginRight) {
182 | showEllipsizText = true;
183 | String subString = null;
184 | for (int index = ellipsizLineText.length() - 1; index > 0; index--) {
185 | subString = ellipsizLineText.substring(0, index);
186 | float subStrWidth = textPaint.measureText(subString);
187 | if (contentWidth - subStrWidth >= toMarginRight) {
188 | ellipsizStartX = subStrWidth + getPaddingLeft();
189 | shrinkLineText = subString;
190 | break;
191 | }
192 | }
193 | } else {
194 | shrinkLineText = ellipsizLineText;
195 | showEllipsizText = false;
196 | }
197 | } else {
198 | showTipDrawalbe = false;
199 | showEllipsizText = false;
200 | }
201 |
202 | expandHeight += text_Height + ((expandDrawable != null && showTipDrawalbe) ? drawableHeight : 0);
203 |
204 | viewHeight = maxLines == lineCount ? expandHeight : maxLinesHeight;
205 |
206 | targetLine = maxLines;
207 |
208 | lineTexts = tempLines;
209 |
210 |
211 | if (viewHeight < expandHeight) {
212 | setClickable(true);
213 | setOnClickListener(this);
214 | } else {
215 | setClickable(false);
216 | }
217 |
218 | }
219 |
220 |
221 | @Override
222 | protected void onDraw(Canvas canvas) {
223 | super.onDraw(canvas);
224 |
225 | if (lineTexts.size() == 0) return;
226 |
227 | for (int index = 0; index < targetLine; index++) {
228 |
229 | LineText lineText = lineTexts.get(index);
230 |
231 | if (index < targetLine - 1) {
232 | canvas.drawText(lineText.getText(), getPaddingLeft(), lineText.getBaseLine(), textPaint);
233 | } else {
234 | if (targetLine == maxLines && maxLines < lineTexts.size()) {
235 | //收缩转态
236 | if (showEllipsizText)
237 | canvas.drawText(ellipsizText, ellipsizStartX, lineText.getBaseLine(), textPaint);
238 | canvas.drawText(shrinkLineText, getPaddingLeft(), lineText.getBaseLine(), textPaint);
239 | if (showTipDrawalbe){
240 | int left=getWidth() - drawableWidth - getPaddingRight();
241 | int top=getHeight() - drawableHeight-getPaddingBottom();
242 | canvas.drawBitmap(drawabletoZoomBitmap(shrinkDrawable, drawableWidth, drawableHeight), left, top, null);
243 | }
244 | } else if (targetLine == lineTexts.size()) {
245 | //展开状态
246 | canvas.drawText(lineText.getText(), getPaddingLeft(), lineText.getBaseLine(), textPaint);
247 | if (showTipDrawalbe){
248 | int left=getWidth() - drawableWidth - getPaddingRight();
249 | int top=getHeight() - drawableHeight-getPaddingBottom();
250 | canvas.drawBitmap(drawabletoZoomBitmap(expandDrawable, drawableWidth, drawableHeight), left, top, null);
251 | }
252 | }
253 | }
254 | }
255 |
256 | }
257 |
258 |
259 | @Override
260 | public void onClick(View view) {
261 |
262 | if (maxLines == lineTexts.size())
263 | return;
264 |
265 | if (targetLine == maxLines) {
266 | targetLine = lineTexts.size();
267 | startDrawAnim(maxLinesHeight, expandHeight);
268 | } else if (targetLine == lineTexts.size()) {
269 | targetLine = maxLines;
270 | startDrawAnim(expandHeight, maxLinesHeight);
271 | }
272 | }
273 |
274 | private void startDrawAnim(int startHeight, int endHeight) {
275 | ObjectAnimator animator = ObjectAnimator.ofInt(this, "viewHeight", startHeight, endHeight);
276 | animator.setDuration(animDuration);
277 | // animator.setInterpolator(new AccelerateDecelerateInterpolator());
278 | animator.start();
279 | }
280 |
281 |
282 | public int getViewHeight() {
283 | return viewHeight;
284 | }
285 |
286 | public void setViewHeight(int viewHeight) {
287 | this.viewHeight = viewHeight;
288 | requestLayout();
289 | }
290 |
291 | public String getText() {
292 | return text;
293 | }
294 |
295 | public void setText(String text) {
296 | this.text = text;
297 | }
298 |
299 | /**
300 | * drawlable 缩放
301 | *
302 | * @return
303 | */
304 | public static Bitmap drawabletoZoomBitmap(Drawable drawable, int w, int h) {
305 | // 取 drawable 的长宽
306 | int width = drawable.getIntrinsicWidth();
307 | int height = drawable.getIntrinsicHeight();
308 | // drawable转换成bitmap
309 | Bitmap oldbmp = drawabletoBitmap(drawable);
310 | // 创建操作图片用的Matrix对象
311 | Matrix matrix = new Matrix();
312 | // 计算缩放比例
313 | float sx = ((float) w / width);
314 | float sy = ((float) h / height);
315 | // 设置缩放比例
316 | matrix.postScale(sx, sy);
317 | // 建立新的bitmap，其内容是对原bitmap的缩放后的图
318 | Bitmap newbmp = Bitmap.createBitmap(oldbmp, 0, 0, width, height,
319 | matrix, true);
320 | return newbmp;
321 | }
322 |
323 | /**
324 | * Drawable转换成Bitmap
325 | */
326 | public static Bitmap drawabletoBitmap(Drawable drawable) {
327 | // 取 drawable 的长宽
328 | int width = drawable.getIntrinsicWidth();
329 | int height = drawable.getIntrinsicHeight();
330 | // 取 drawable 的颜色格式
331 | Bitmap.Config config = drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888
332 | : Bitmap.Config.RGB_565;
333 | Bitmap bitmap = Bitmap.createBitmap(width, height, config);
334 | Canvas canvas = new Canvas(bitmap);
335 | drawable.setBounds(0, 0, drawable.getIntrinsicWidth(),
336 | drawable.getIntrinsicHeight());
337 | drawable.draw(canvas);
338 | return bitmap;
339 | }
340 |
341 |
342 | }
343 |
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