├── .gitignore
├── .idea
├── .name
├── gradle.xml
├── misc.xml
├── runConfigurations.xml
└── vcs.xml
├── README.md
├── app
├── .gitignore
├── build.gradle
├── pic
│ ├── one.png
│ └── two.png
├── proguard-rules.pro
└── src
│ ├── androidTest
│ └── java
│ │ └── com
│ │ └── link
│ │ └── foldtextview
│ │ └── ExampleInstrumentedTest.java
│ ├── main
│ ├── AndroidManifest.xml
│ ├── java
│ │ └── com
│ │ │ └── link
│ │ │ └── foldtextview
│ │ │ └── MainActivity.java
│ └── res
│ │ ├── drawable-v24
│ │ └── ic_launcher_foreground.xml
│ │ ├── drawable
│ │ └── ic_launcher_background.xml
│ │ ├── layout
│ │ └── activity_main.xml
│ │ ├── mipmap-anydpi-v26
│ │ ├── ic_launcher.xml
│ │ └── ic_launcher_round.xml
│ │ ├── mipmap-hdpi
│ │ ├── ic_launcher.png
│ │ └── ic_launcher_round.png
│ │ ├── mipmap-mdpi
│ │ ├── ic_launcher.png
│ │ └── ic_launcher_round.png
│ │ ├── mipmap-xhdpi
│ │ ├── ic_launcher.png
│ │ └── ic_launcher_round.png
│ │ ├── mipmap-xxhdpi
│ │ ├── ic_fold.png
│ │ ├── ic_launcher.png
│ │ ├── ic_launcher_round.png
│ │ └── ic_unfold.png
│ │ ├── mipmap-xxxhdpi
│ │ ├── ic_launcher.png
│ │ └── ic_launcher_round.png
│ │ └── values
│ │ ├── colors.xml
│ │ ├── strings.xml
│ │ └── styles.xml
│ └── test
│ └── java
│ └── com
│ └── link
│ └── foldtextview
│ └── ExampleUnitTest.java
├── build.gradle
├── foldtextviewlibrary
├── .gitignore
├── build.gradle
├── consumer-rules.pro
├── proguard-rules.pro
└── src
│ ├── androidTest
│ └── java
│ │ └── com
│ │ └── link
│ │ └── flodtextviewlibrary
│ │ └── ExampleInstrumentedTest.java
│ ├── main
│ ├── AndroidManifest.xml
│ ├── java
│ │ └── com
│ │ │ └── link
│ │ │ └── foldtextviewlibrary
│ │ │ ├── FoldAnimation.java
│ │ │ ├── FoldConfig.java
│ │ │ ├── FoldStatusListener.java
│ │ │ ├── FoldTextView.java
│ │ │ └── FoldUtils.java
│ └── res
│ │ ├── drawable-xxhdpi
│ │ ├── ic_fold.png
│ │ └── ic_unfold.png
│ │ ├── drawable-xxxhdpi
│ │ ├── ic_fold.png
│ │ └── ic_unfold.png
│ │ ├── layout
│ │ └── layout_fold_textview.xml
│ │ └── values
│ │ ├── attrs.xml
│ │ ├── ids.xml
│ │ └── strings.xml
│ └── test
│ └── java
│ └── com
│ └── link
│ └── flodtextviewlibrary
│ └── ExampleUnitTest.java
├── gradle.properties
├── gradle
└── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── gradlew
├── gradlew.bat
└── settings.gradle
/.gitignore:
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1 | *.iml
2 | .gradle
3 | /local.properties
4 | /.idea/caches
5 | /.idea/libraries
6 | /.idea/modules.xml
7 | /.idea/workspace.xml
8 | /.idea/navEditor.xml
9 | /.idea/assetWizardSettings.xml
10 | .DS_Store
11 | /build
12 | /captures
13 | .externalNativeBuild
14 | .cxx
15 |
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/.idea/.name:
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1 | FoldTextView
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/.idea/gradle.xml:
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/.idea/vcs.xml:
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/README.md:
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1 | # FoldTextView
2 | ### 简单活好事少的展开收起TextView
3 |
4 | ### 效果图
5 |
6 | 
7 |
8 |
9 | ### 使用
10 |
11 | ```
12 | allprojects {
13 | repositories {
14 | ...
15 | maven { url 'https://jitpack.io' }
16 | }
17 | }
18 | ```
19 |
20 | ```
21 | dependencies {
22 | implementation 'com.github.zhangtiansimple:FoldTextView:1.0.3'
23 | }
24 | ```
25 |
26 | ```
27 |
42 | ```
43 |
44 | ```
45 | FoldTextView mFoldTextView = findViewById(R.id.fold_text_view);
46 | mFoldTextView.setText("your content");
47 | mFoldTextView.setStatusListener(new FoldStatusListener() {
48 | @Override
49 | public void onFoldStateChanged(TextView tv, boolean isFold) {
50 | if (isFold) {
51 | Log.d(TAG, "isFold");
52 | } else {
53 | Log.d(TAG, "isUnfold");
54 | }
55 | }
56 | });
57 | ```
58 | |可选属性 |取值|
59 | |---|---|
60 | | maxUnfoldLines|折叠最大行数,默认为3|
61 | | animDuration|展开收起动画执行时常,默认300毫秒|
62 | | contentTextSize|内容字体大小,默认16|
63 | | contentTextColor|内容字体颜色,默认为Color.BLACK|
64 | | contentLineSpaceMultiplier|内容行间距,默认为1.0|
65 | | unFoldDrawable|展开icon,默认为效果图最上黑色三角|
66 | | foldDrawable|折叠icon,默认为效果图最上黑色三角|
67 | | unFoldText|折叠文案,默认为“折叠”|
68 | | foldText|展开文案,默认为“展开”|
69 | | stateTextColor|展开折叠状态文字颜色|
70 | | stateTvGravity|展开折叠状态文字Gravity|
71 |
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/app/.gitignore:
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1 | /build
2 |
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/app/build.gradle:
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1 | apply plugin: 'com.android.application'
2 |
3 | android {
4 | compileSdkVersion 28
5 | defaultConfig {
6 | applicationId "com.link.foldtextview"
7 | minSdkVersion 19
8 | targetSdkVersion 28
9 | versionCode 1
10 | versionName "1.0"
11 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
12 | }
13 | buildTypes {
14 | release {
15 | minifyEnabled false
16 | proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
17 | }
18 | }
19 | }
20 |
21 | dependencies {
22 | implementation fileTree(dir: 'libs', include: ['*.jar'])
23 | implementation 'androidx.appcompat:appcompat:1.0.2'
24 | implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
25 | testImplementation 'junit:junit:4.12'
26 | androidTestImplementation 'androidx.test:runner:1.1.1'
27 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
28 | compile project(path: ':foldtextviewlibrary')
29 | }
30 |
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/app/pic/one.png:
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/app/pic/two.png:
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/app/proguard-rules.pro:
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1 | # Add project specific ProGuard rules here.
2 | # You can control the set of applied configuration files using the
3 | # proguardFiles setting in build.gradle.
4 | #
5 | # For more details, see
6 | # http://developer.android.com/guide/developing/tools/proguard.html
7 |
8 | # If your project uses WebView with JS, uncomment the following
9 | # and specify the fully qualified class name to the JavaScript interface
10 | # class:
11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
12 | # public *;
13 | #}
14 |
15 | # Uncomment this to preserve the line number information for
16 | # debugging stack traces.
17 | #-keepattributes SourceFile,LineNumberTable
18 |
19 | # If you keep the line number information, uncomment this to
20 | # hide the original source file name.
21 | #-renamesourcefileattribute SourceFile
22 |
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/app/src/androidTest/java/com/link/foldtextview/ExampleInstrumentedTest.java:
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1 | package com.link.foldtextview;
2 |
3 | import android.content.Context;
4 |
5 | import androidx.test.platform.app.InstrumentationRegistry;
6 | import androidx.test.ext.junit.runners.AndroidJUnit4;
7 |
8 | import org.junit.Test;
9 | import org.junit.runner.RunWith;
10 |
11 | import static org.junit.Assert.*;
12 |
13 | /**
14 | * Instrumented test, which will execute on an Android device.
15 | *
16 | * @see Testing documentation
17 | */
18 | @RunWith(AndroidJUnit4.class)
19 | public class ExampleInstrumentedTest {
20 | @Test
21 | public void useAppContext() {
22 | // Context of the app under test.
23 | Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
24 |
25 | assertEquals("com.link.foldtextview", appContext.getPackageName());
26 | }
27 | }
28 |
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/app/src/main/AndroidManifest.xml:
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/app/src/main/java/com/link/foldtextview/MainActivity.java:
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1 | package com.link.foldtextview;
2 |
3 | import androidx.appcompat.app.AppCompatActivity;
4 |
5 | import android.os.Bundle;
6 | import android.util.Log;
7 | import android.widget.TextView;
8 |
9 | import com.link.foldtextviewlibrary.FoldStatusListener;
10 | import com.link.foldtextviewlibrary.FoldTextView;
11 |
12 | public class MainActivity extends AppCompatActivity {
13 |
14 | private static final String TAG = "MainActivity";
15 |
16 | @Override
17 | protected void onCreate(Bundle savedInstanceState) {
18 | super.onCreate(savedInstanceState);
19 | setContentView(R.layout.activity_main);
20 | FoldTextView mFoldTextView1 = findViewById(R.id.fold_text_view1);
21 | mFoldTextView1.setText("当你老了,回顾一生,就会发觉:什么时候出国读书、什么时候决定做第一份职业、何时选定了对象而恋爱、什么时候结婚,其实都是命运的巨变。只是当时站在三岔路口,还以为是生命中普通的一天。");
22 | mFoldTextView1.setStatusListener(new FoldStatusListener() {
23 | @Override
24 | public void onFoldStateChanged(TextView tv, boolean isFold) {
25 | if (isFold) {
26 | Log.d(TAG, "isFold");
27 | } else {
28 | Log.d(TAG, "isUnfold");
29 | }
30 | }
31 | });
32 |
33 | FoldTextView mFoldTextView2 = findViewById(R.id.fold_text_view2);
34 | mFoldTextView2.setText("我天性不宜交际。在多数场合,我不是觉得对方乏味,就是害怕对方觉得我乏味。可是我不愿忍受对方的乏味,也不愿费劲使自己显得有趣,那都太累了。我独处时最轻松,因为我不觉得自己乏味,即使乏味,也自己承受,不累及他人,无需感到不安。");
35 |
36 | FoldTextView mFoldTextView3 = findViewById(R.id.fold_text_view3);
37 | mFoldTextView3.setText("我曾经以为日子是过不完的,未来是完全不一样的。现在,我就呆在我自己的未来,我没有发现自己有什么真正的变化,我的梦想还像小时候一样遥远,唯一不同的是我已经不打算实现它了。");
38 |
39 | FoldTextView mFoldTextView4 = findViewById(R.id.fold_text_view4);
40 | mFoldTextView4.setText("我行过许多地方的桥,看过许多次数的云,喝过许多种类的酒,却只爱过一个正当最好年龄的人。");
41 | }
42 | }
43 |
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/app/src/main/res/drawable-v24/ic_launcher_foreground.xml:
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/app/src/main/res/mipmap-xxhdpi/ic_fold.png:
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/app/src/main/res/values/colors.xml:
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2 |
3 | #008577
4 | #00574B
5 | #D81B60
6 |
7 |
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/app/src/main/res/values/strings.xml:
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1 |
2 | FoldTextView
3 |
4 |
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/app/src/main/res/values/styles.xml:
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2 |
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11 |
12 |
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/app/src/test/java/com/link/foldtextview/ExampleUnitTest.java:
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1 | package com.link.foldtextview;
2 |
3 | import org.junit.Test;
4 |
5 | import static org.junit.Assert.*;
6 |
7 | /**
8 | * Example local unit test, which will execute on the development machine (host).
9 | *
10 | * @see Testing documentation
11 | */
12 | public class ExampleUnitTest {
13 | @Test
14 | public void addition_isCorrect() {
15 | assertEquals(4, 2 + 2);
16 | }
17 | }
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/build.gradle:
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1 | // Top-level build file where you can add configuration options common to all sub-projects/modules.
2 |
3 | buildscript {
4 | repositories {
5 | google()
6 | jcenter()
7 |
8 | }
9 | dependencies {
10 | classpath 'com.android.tools.build:gradle:3.5.0'
11 |
12 | // NOTE: Do not place your application dependencies here; they belong
13 | // in the individual module build.gradle files
14 | }
15 | }
16 |
17 | allprojects {
18 | repositories {
19 | google()
20 | jcenter()
21 |
22 | }
23 | }
24 |
25 | task clean(type: Delete) {
26 | delete rootProject.buildDir
27 | }
28 |
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/foldtextviewlibrary/.gitignore:
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1 | /build
2 |
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/foldtextviewlibrary/build.gradle:
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1 | apply plugin: 'com.android.library'
2 |
3 | android {
4 | compileSdkVersion 28
5 |
6 |
7 | defaultConfig {
8 | minSdkVersion 19
9 | targetSdkVersion 28
10 | versionCode 1
11 | versionName "1.0"
12 |
13 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
14 | consumerProguardFiles 'consumer-rules.pro'
15 | }
16 |
17 | buildTypes {
18 | release {
19 | minifyEnabled false
20 | proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
21 | }
22 | }
23 |
24 | }
25 |
26 | dependencies {
27 | implementation fileTree(dir: 'libs', include: ['*.jar'])
28 |
29 | implementation 'androidx.appcompat:appcompat:1.0.2'
30 | testImplementation 'junit:junit:4.12'
31 | androidTestImplementation 'androidx.test:runner:1.1.1'
32 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
33 | }
34 |
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/foldtextviewlibrary/consumer-rules.pro:
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/foldtextviewlibrary/proguard-rules.pro:
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1 | # Add project specific ProGuard rules here.
2 | # You can control the set of applied configuration files using the
3 | # proguardFiles setting in build.gradle.
4 | #
5 | # For more details, see
6 | # http://developer.android.com/guide/developing/tools/proguard.html
7 |
8 | # If your project uses WebView with JS, uncomment the following
9 | # and specify the fully qualified class name to the JavaScript interface
10 | # class:
11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
12 | # public *;
13 | #}
14 |
15 | # Uncomment this to preserve the line number information for
16 | # debugging stack traces.
17 | #-keepattributes SourceFile,LineNumberTable
18 |
19 | # If you keep the line number information, uncomment this to
20 | # hide the original source file name.
21 | #-renamesourcefileattribute SourceFile
22 |
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/foldtextviewlibrary/src/androidTest/java/com/link/flodtextviewlibrary/ExampleInstrumentedTest.java:
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1 | package com.link.flodtextviewlibrary;
2 |
3 | import android.content.Context;
4 |
5 | import androidx.test.platform.app.InstrumentationRegistry;
6 | import androidx.test.ext.junit.runners.AndroidJUnit4;
7 |
8 | import org.junit.Test;
9 | import org.junit.runner.RunWith;
10 |
11 | import static org.junit.Assert.*;
12 |
13 | /**
14 | * Instrumented test, which will execute on an Android device.
15 | *
16 | * @see Testing documentation
17 | */
18 | @RunWith(AndroidJUnit4.class)
19 | public class ExampleInstrumentedTest {
20 | @Test
21 | public void useAppContext() {
22 | // Context of the app under test.
23 | Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
24 |
25 | assertEquals("com.link.flodtextviewlibrary.test", appContext.getPackageName());
26 | }
27 | }
28 |
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/foldtextviewlibrary/src/main/AndroidManifest.xml:
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1 |
3 |
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/foldtextviewlibrary/src/main/java/com/link/foldtextviewlibrary/FoldAnimation.java:
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1 | package com.link.foldtextviewlibrary;
2 |
3 | import android.view.View;
4 | import android.view.animation.Animation;
5 | import android.view.animation.Transformation;
6 | import android.widget.TextView;
7 |
8 | public class FoldAnimation extends Animation {
9 |
10 | private final View mTargetView;
11 | private final int mStartHeight;
12 | private final int mEndHeight;
13 |
14 | private TextView mContentTv;
15 | private int mMarginBetweenTxtAndBottom;
16 |
17 | public FoldAnimation(View view, int startHeight, int endHeight, TextView contentTv, int animationDuration, int marginBetweenTxtAndBottom) {
18 | mTargetView = view;
19 | mStartHeight = startHeight;
20 | mEndHeight = endHeight;
21 | mContentTv = contentTv;
22 | mMarginBetweenTxtAndBottom = marginBetweenTxtAndBottom;
23 | setDuration(animationDuration);
24 | }
25 |
26 | @Override
27 | protected void applyTransformation(float interpolatedTime, Transformation t) {
28 | final int newHeight = (int) ((mEndHeight - mStartHeight) * interpolatedTime + mStartHeight);
29 | mContentTv.setMaxHeight(newHeight - mMarginBetweenTxtAndBottom);
30 | mTargetView.getLayoutParams().height = newHeight;
31 | mTargetView.requestLayout();
32 | }
33 |
34 | @Override
35 | public void initialize(int width, int height, int parentWidth, int parentHeight) {
36 | super.initialize(width, height, parentWidth, parentHeight);
37 | }
38 |
39 | @Override
40 | public boolean willChangeBounds() {
41 | return true;
42 | }
43 | }
44 |
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/foldtextviewlibrary/src/main/java/com/link/foldtextviewlibrary/FoldConfig.java:
--------------------------------------------------------------------------------
1 | package com.link.foldtextviewlibrary;
2 |
3 | import android.view.Gravity;
4 |
5 | class FoldConfig {
6 |
7 | //默认最大展开行数
8 | static final int MAX_UNFOLD_LINES = 3;
9 | //默认动画执行时间
10 | static final int ANIM_DURATION = 300;
11 | //默认内容字符大小
12 | static final int CONTENT_TEXT_SIZE = 16;
13 | //默认行间距
14 | static final float CONTENT_LINE_SPACE_MULTIPLIER = 1.0f;
15 | //状态TextView icon尺寸
16 | static final int STATE_TV_ICON_SIZE = 12;
17 | //状态TextView drawable padding
18 | static final int STATE_TV_DRAWABLE_PADDING = 10;
19 | //状态TextView默认Gravity
20 | static final int STATE_TV_GRAVITY = 2;
21 | //可选Gravity
22 | static final int STATE_TV_GRAVITY_START = 0;
23 | static final int STATE_TV_GRAVITY_CENTER = 1;
24 | static final int STATE_TV_GRAVITY_END = 2;
25 | }
26 |
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/foldtextviewlibrary/src/main/java/com/link/foldtextviewlibrary/FoldStatusListener.java:
--------------------------------------------------------------------------------
1 | package com.link.foldtextviewlibrary;
2 |
3 | import android.widget.TextView;
4 |
5 | public interface FoldStatusListener {
6 | void onFoldStateChanged(TextView tv, boolean isFold);
7 | }
8 |
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/foldtextviewlibrary/src/main/java/com/link/foldtextviewlibrary/FoldTextView.java:
--------------------------------------------------------------------------------
1 | package com.link.foldtextviewlibrary;
2 |
3 | import android.content.Context;
4 | import android.content.res.TypedArray;
5 | import android.graphics.Color;
6 | import android.graphics.drawable.Drawable;
7 | import android.text.TextUtils;
8 | import android.util.AttributeSet;
9 | import android.view.Gravity;
10 | import android.view.LayoutInflater;
11 | import android.view.MotionEvent;
12 | import android.view.View;
13 | import android.view.animation.Animation;
14 | import android.widget.LinearLayout;
15 | import android.widget.TextView;
16 |
17 | import com.link.flodtextviewlibrary.R;
18 |
19 | import androidx.annotation.NonNull;
20 | import androidx.annotation.Nullable;
21 | import androidx.core.content.ContextCompat;
22 |
23 | public class FoldTextView extends LinearLayout implements View.OnClickListener {
24 |
25 | //显示内容的TextView
26 | private TextView mContentTv;
27 |
28 | //显示状态的TextView
29 | private TextView mStateTv;
30 |
31 | //是否折叠 默认状态为折叠
32 | private boolean isFold = true;
33 |
34 | //展开最大行数
35 | private int mMaxUnfoldLines;
36 |
37 | //动画执行时间
38 | private int mAnimDuration;
39 |
40 | //内容字符大小
41 | private int mContentTextSize;
42 |
43 | //内容行间距
44 | private float mContentTextSpaceMultiplier;
45 |
46 | //内容颜色
47 | private int mContentTextColor;
48 |
49 | //展开icon
50 | private Drawable mUnFoldDrawable;
51 |
52 | //折叠icon
53 | private Drawable mFoldDrawable;
54 |
55 | //展开文字
56 | private String mUnFoldString;
57 |
58 | //折叠文字
59 | private String mFoldString;
60 |
61 | //状态TextView的Gravity
62 | private int mStateTvGravity;
63 |
64 | //状态文字颜色
65 | private int mStateTextColor;
66 |
67 | //最大行时的高度
68 | private int mTextHeightWithMaxLines;
69 |
70 | //展开时的高度
71 | private int mUnfoldHeight;
72 |
73 | //是否重新布局
74 | private boolean isReLayout;
75 |
76 | //动画是否在执行
77 | private boolean isAnimating;
78 |
79 | //动画执行距离
80 | private int mAnimDistance;
81 |
82 | //展开折叠的状态监听接口
83 | private FoldStatusListener mListener;
84 |
85 | private Runnable mRunnable = new Runnable() {
86 | @Override
87 | public void run() {
88 | mAnimDistance = getHeight() - mContentTv.getHeight();
89 | }
90 | };
91 |
92 | public FoldTextView(Context context) {
93 | this(context, null);
94 | }
95 |
96 | public FoldTextView(Context context, @Nullable AttributeSet attrs) {
97 | this(context, attrs, 0);
98 | }
99 |
100 | public FoldTextView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
101 | super(context, attrs, defStyleAttr);
102 | initFoldTextView(context, attrs);
103 | }
104 |
105 | private void initFoldTextView(Context context, AttributeSet attrs) {
106 | LayoutInflater.from(context).inflate(R.layout.layout_fold_textview, this, true);
107 | setOrientation(LinearLayout.VERTICAL);
108 |
109 | TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.FoldTextView);
110 |
111 | //内容文本设置
112 | mMaxUnfoldLines = typedArray.getInt(R.styleable.FoldTextView_maxUnfoldLines, FoldConfig.MAX_UNFOLD_LINES);
113 | mAnimDuration = typedArray.getInt(R.styleable.FoldTextView_animDuration, FoldConfig.ANIM_DURATION);
114 | mContentTextSize = typedArray.getDimensionPixelSize(R.styleable.FoldTextView_contentTextSize, FoldConfig.CONTENT_TEXT_SIZE);
115 | mContentTextSpaceMultiplier = typedArray.getFloat(R.styleable.FoldTextView_contentLineSpaceMultiplier, FoldConfig.CONTENT_LINE_SPACE_MULTIPLIER);
116 | mContentTextColor = typedArray.getColor(R.styleable.FoldTextView_contentTextColor, Color.BLACK);
117 |
118 | //状态文本设置
119 | mUnFoldString = typedArray.getString(R.styleable.FoldTextView_unFoldText) == null ? context.getString(R.string.str_unfold) : typedArray.getString(R.styleable.FoldTextView_unFoldText);
120 | mFoldString = typedArray.getString(R.styleable.FoldTextView_foldText) == null ? context.getString(R.string.str_fold) : typedArray.getString(R.styleable.FoldTextView_foldText);
121 | mStateTvGravity = typedArray.getInt(R.styleable.FoldTextView_stateTvGravity, FoldConfig.STATE_TV_GRAVITY);
122 | mStateTextColor = typedArray.getColor(R.styleable.FoldTextView_stateTextColor, Color.BLACK);
123 | mUnFoldDrawable = FoldUtils.resize(getContext(), typedArray.getDrawable(R.styleable.FoldTextView_unFoldDrawable) == null ? ContextCompat.getDrawable(context, R.drawable.ic_unfold) : typedArray.getDrawable(R.styleable.FoldTextView_unFoldDrawable), FoldConfig.STATE_TV_ICON_SIZE);
124 | mFoldDrawable = FoldUtils.resize(getContext(), typedArray.getDrawable(R.styleable.FoldTextView_foldDrawable) == null ? ContextCompat.getDrawable(context, R.drawable.ic_fold) : typedArray.getDrawable(R.styleable.FoldTextView_foldDrawable), FoldConfig.STATE_TV_ICON_SIZE);
125 |
126 | typedArray.recycle();
127 | }
128 |
129 | private void initView() {
130 | mContentTv = findViewById(R.id.tv_content);
131 | mContentTv.setTextColor(mContentTextColor);
132 | mContentTv.setTextSize(mContentTextSize);
133 | mContentTv.setLineSpacing(0, mContentTextSpaceMultiplier);
134 | mContentTv.setOnClickListener(this);
135 |
136 | mStateTv = findViewById(R.id.tv_state);
137 | LayoutParams params = new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
138 | switch (mStateTvGravity) {
139 | case FoldConfig.STATE_TV_GRAVITY_START: {
140 | params.gravity = Gravity.START;
141 | break;
142 | }
143 | case FoldConfig.STATE_TV_GRAVITY_CENTER: {
144 | params.gravity = Gravity.CENTER;
145 | break;
146 | }
147 | case FoldConfig.STATE_TV_GRAVITY_END: {
148 | params.gravity = Gravity.END;
149 | break;
150 | }
151 | }
152 | mStateTv.setLayoutParams(params);
153 | mStateTv.setTextColor(mStateTextColor);
154 | mStateTv.setCompoundDrawablePadding(FoldConfig.STATE_TV_DRAWABLE_PADDING);
155 | mStateTv.setOnClickListener(this);
156 | refreshStateTv();
157 | }
158 |
159 | private int getRealTextViewHeight(@NonNull TextView textView) {
160 | int textHeight = textView.getLayout().getLineTop(textView.getLineCount());
161 | int padding = textView.getCompoundPaddingTop() + textView.getCompoundPaddingBottom();
162 | return textHeight + padding;
163 | }
164 |
165 | private void refreshStateTv() {
166 | mStateTv.setText(isFold ? mFoldString : mUnFoldString);
167 | mStateTv.setCompoundDrawablesWithIntrinsicBounds(isFold ? mFoldDrawable : mUnFoldDrawable, null, null, null);
168 | }
169 |
170 | public void setStatusListener(FoldStatusListener listener) {
171 | mListener = listener;
172 | }
173 |
174 | public void setText(@Nullable CharSequence text) {
175 | isReLayout = true;
176 | mContentTv.setText(text);
177 | setVisibility(TextUtils.isEmpty(text) ? View.GONE : View.VISIBLE);
178 | }
179 |
180 | @Override
181 | protected void onFinishInflate() {
182 | super.onFinishInflate();
183 | initView();
184 | }
185 |
186 | @Override
187 | public void setOrientation(int orientation) {
188 | if (LinearLayout.HORIZONTAL == orientation) {
189 | throw new IllegalArgumentException("目前只支持垂直布局!");
190 | }
191 | super.setOrientation(orientation);
192 | }
193 |
194 | @Nullable
195 | public CharSequence getText() {
196 | if (mContentTv == null) {
197 | return "";
198 | }
199 | return mContentTv.getText();
200 | }
201 |
202 | //如果动画正在执行 就消费事件
203 | @Override
204 | public boolean onInterceptTouchEvent(MotionEvent ev) {
205 | return isAnimating;
206 | }
207 |
208 | @Override
209 | protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
210 | //如果没有重新布局或者此时没有加入到视图中 直接默认测量并返回
211 | if (!isReLayout || getVisibility() == View.GONE) {
212 | super.onMeasure(widthMeasureSpec, heightMeasureSpec);
213 | return;
214 | }
215 |
216 | isReLayout = false;
217 |
218 | //如果可以显示的下 则不需要状态Tv
219 | mStateTv.setVisibility(View.GONE);
220 | mContentTv.setMaxLines(Integer.MAX_VALUE);
221 |
222 | //测量
223 | super.onMeasure(widthMeasureSpec, heightMeasureSpec);
224 |
225 | //如果实际行数小于最大折叠行数
226 | if (mContentTv.getLineCount() <= mMaxUnfoldLines) {
227 | return;
228 | }
229 |
230 | mTextHeightWithMaxLines = getRealTextViewHeight(mContentTv);
231 |
232 | if (isFold) {
233 | mContentTv.setMaxLines(mMaxUnfoldLines);
234 | }
235 | mStateTv.setVisibility(View.VISIBLE);
236 |
237 | //重新测量
238 | super.onMeasure(widthMeasureSpec, heightMeasureSpec);
239 |
240 | if (isFold) {
241 | mContentTv.post(mRunnable);
242 | mUnfoldHeight = getMeasuredHeight();
243 | }
244 | }
245 |
246 | @Override
247 | public void onClick(View v) {
248 | if (mStateTv.getVisibility() != View.VISIBLE) {
249 | return;
250 | }
251 |
252 | isFold = !isFold;
253 | refreshStateTv();
254 |
255 | isAnimating = true;
256 | Animation animation;
257 | if (isFold) {
258 | animation = new FoldAnimation(this, getHeight(), mUnfoldHeight, mContentTv, mAnimDuration, mAnimDistance);
259 | } else {
260 | animation = new FoldAnimation(this, getHeight(), getHeight() +
261 | mTextHeightWithMaxLines - mContentTv.getHeight(), mContentTv, mAnimDuration, mAnimDistance);
262 | }
263 |
264 | animation.setFillAfter(true);
265 | animation.setAnimationListener(new Animation.AnimationListener() {
266 | @Override
267 | public void onAnimationStart(Animation animation) {
268 |
269 | }
270 |
271 | @Override
272 | public void onAnimationEnd(Animation animation) {
273 | clearAnimation();
274 | isAnimating = false;
275 | if (mListener != null) {
276 | mListener.onFoldStateChanged(mContentTv, isFold);
277 | }
278 | }
279 |
280 | @Override
281 | public void onAnimationRepeat(Animation animation) {
282 |
283 | }
284 | });
285 |
286 | clearAnimation();
287 | startAnimation(animation);
288 | }
289 | }
290 |
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/foldtextviewlibrary/src/main/java/com/link/foldtextviewlibrary/FoldUtils.java:
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1 | package com.link.foldtextviewlibrary;
2 |
3 | import android.content.Context;
4 | import android.content.res.Resources;
5 | import android.graphics.Bitmap;
6 | import android.graphics.drawable.BitmapDrawable;
7 | import android.graphics.drawable.Drawable;
8 | import android.util.TypedValue;
9 |
10 | public class FoldUtils {
11 | public static Drawable resize(Context context, Drawable image, int size) {
12 | Bitmap b = ((BitmapDrawable) image).getBitmap();
13 | Bitmap bitmapResized = Bitmap.createScaledBitmap(b, dip2pxInt(size), dip2pxInt(size), false);
14 | return new BitmapDrawable(context.getResources(), bitmapResized);
15 | }
16 |
17 | public static int dip2pxInt(float dpValue) {
18 | return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dpValue, Resources.getSystem().getDisplayMetrics());
19 | }
20 |
21 | public static int sp2pxInt(float spValue) {
22 | return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, spValue, Resources.getSystem().getDisplayMetrics());
23 | }
24 |
25 | public static float dip2pxFloat(float dpValue) {
26 | return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dpValue, Resources.getSystem().getDisplayMetrics());
27 | }
28 |
29 | public static float sp2pxFloat(float spValue) {
30 | return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, spValue, Resources.getSystem().getDisplayMetrics());
31 | }
32 | }
33 |
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/foldtextviewlibrary/src/main/res/drawable-xxhdpi/ic_fold.png:
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/foldtextviewlibrary/src/main/res/drawable-xxhdpi/ic_unfold.png:
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/foldtextviewlibrary/src/main/res/drawable-xxxhdpi/ic_fold.png:
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/foldtextviewlibrary/src/main/res/drawable-xxxhdpi/ic_unfold.png:
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/foldtextviewlibrary/src/main/res/layout/layout_fold_textview.xml:
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1 |
2 |
4 |
5 |
9 |
10 |
16 |
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/foldtextviewlibrary/src/main/res/values/attrs.xml:
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
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/foldtextviewlibrary/src/main/res/values/ids.xml:
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1 |
2 |
3 |
4 |
5 |
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/foldtextviewlibrary/src/main/res/values/strings.xml:
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1 |
2 | FlodTextViewLibrary
3 | 折叠
4 | 展开
5 |
6 |
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/foldtextviewlibrary/src/test/java/com/link/flodtextviewlibrary/ExampleUnitTest.java:
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1 | package com.link.flodtextviewlibrary;
2 |
3 | import org.junit.Test;
4 |
5 | import static org.junit.Assert.*;
6 |
7 | /**
8 | * Example local unit test, which will execute on the development machine (host).
9 | *
10 | * @see Testing documentation
11 | */
12 | public class ExampleUnitTest {
13 | @Test
14 | public void addition_isCorrect() {
15 | assertEquals(4, 2 + 2);
16 | }
17 | }
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/gradle.properties:
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1 | # Project-wide Gradle settings.
2 | # IDE (e.g. Android Studio) users:
3 | # Gradle settings configured through the IDE *will override*
4 | # any settings specified in this file.
5 | # For more details on how to configure your build environment visit
6 | # http://www.gradle.org/docs/current/userguide/build_environment.html
7 | # Specifies the JVM arguments used for the daemon process.
8 | # The setting is particularly useful for tweaking memory settings.
9 | org.gradle.jvmargs=-Xmx1536m
10 | # When configured, Gradle will run in incubating parallel mode.
11 | # This option should only be used with decoupled projects. More details, visit
12 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
13 | # org.gradle.parallel=true
14 | # AndroidX package structure to make it clearer which packages are bundled with the
15 | # Android operating system, and which are packaged with your app's APK
16 | # https://developer.android.com/topic/libraries/support-library/androidx-rn
17 | android.useAndroidX=true
18 | # Automatically convert third-party libraries to use AndroidX
19 | android.enableJetifier=true
20 |
21 |
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/gradle/wrapper/gradle-wrapper.jar:
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https://raw.githubusercontent.com/zhangtiansimple/FoldTextView/d1ea5be06aa1d11006976a1e4ab070f828324ce9/gradle/wrapper/gradle-wrapper.jar
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/gradle/wrapper/gradle-wrapper.properties:
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1 | #Thu Oct 24 14:45:20 CST 2019
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-5.4.1-all.zip
7 |
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/gradlew:
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1 | #!/usr/bin/env sh
2 |
3 | ##############################################################################
4 | ##
5 | ## Gradle start up script for UN*X
6 | ##
7 | ##############################################################################
8 |
9 | # Attempt to set APP_HOME
10 | # Resolve links: $0 may be a link
11 | PRG="$0"
12 | # Need this for relative symlinks.
13 | while [ -h "$PRG" ] ; do
14 | ls=`ls -ld "$PRG"`
15 | link=`expr "$ls" : '.*-> \(.*\)$'`
16 | if expr "$link" : '/.*' > /dev/null; then
17 | PRG="$link"
18 | else
19 | PRG=`dirname "$PRG"`"/$link"
20 | fi
21 | done
22 | SAVED="`pwd`"
23 | cd "`dirname \"$PRG\"`/" >/dev/null
24 | APP_HOME="`pwd -P`"
25 | cd "$SAVED" >/dev/null
26 |
27 | APP_NAME="Gradle"
28 | APP_BASE_NAME=`basename "$0"`
29 |
30 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
31 | DEFAULT_JVM_OPTS=""
32 |
33 | # Use the maximum available, or set MAX_FD != -1 to use that value.
34 | MAX_FD="maximum"
35 |
36 | warn () {
37 | echo "$*"
38 | }
39 |
40 | die () {
41 | echo
42 | echo "$*"
43 | echo
44 | exit 1
45 | }
46 |
47 | # OS specific support (must be 'true' or 'false').
48 | cygwin=false
49 | msys=false
50 | darwin=false
51 | nonstop=false
52 | case "`uname`" in
53 | CYGWIN* )
54 | cygwin=true
55 | ;;
56 | Darwin* )
57 | darwin=true
58 | ;;
59 | MINGW* )
60 | msys=true
61 | ;;
62 | NONSTOP* )
63 | nonstop=true
64 | ;;
65 | esac
66 |
67 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
68 |
69 | # Determine the Java command to use to start the JVM.
70 | if [ -n "$JAVA_HOME" ] ; then
71 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
72 | # IBM's JDK on AIX uses strange locations for the executables
73 | JAVACMD="$JAVA_HOME/jre/sh/java"
74 | else
75 | JAVACMD="$JAVA_HOME/bin/java"
76 | fi
77 | if [ ! -x "$JAVACMD" ] ; then
78 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
79 |
80 | Please set the JAVA_HOME variable in your environment to match the
81 | location of your Java installation."
82 | fi
83 | else
84 | JAVACMD="java"
85 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
86 |
87 | Please set the JAVA_HOME variable in your environment to match the
88 | location of your Java installation."
89 | fi
90 |
91 | # Increase the maximum file descriptors if we can.
92 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
93 | MAX_FD_LIMIT=`ulimit -H -n`
94 | if [ $? -eq 0 ] ; then
95 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
96 | MAX_FD="$MAX_FD_LIMIT"
97 | fi
98 | ulimit -n $MAX_FD
99 | if [ $? -ne 0 ] ; then
100 | warn "Could not set maximum file descriptor limit: $MAX_FD"
101 | fi
102 | else
103 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
104 | fi
105 | fi
106 |
107 | # For Darwin, add options to specify how the application appears in the dock
108 | if $darwin; then
109 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
110 | fi
111 |
112 | # For Cygwin, switch paths to Windows format before running java
113 | if $cygwin ; then
114 | APP_HOME=`cygpath --path --mixed "$APP_HOME"`
115 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
116 | JAVACMD=`cygpath --unix "$JAVACMD"`
117 |
118 | # We build the pattern for arguments to be converted via cygpath
119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
120 | SEP=""
121 | for dir in $ROOTDIRSRAW ; do
122 | ROOTDIRS="$ROOTDIRS$SEP$dir"
123 | SEP="|"
124 | done
125 | OURCYGPATTERN="(^($ROOTDIRS))"
126 | # Add a user-defined pattern to the cygpath arguments
127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then
128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
129 | fi
130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh
131 | i=0
132 | for arg in "$@" ; do
133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
135 |
136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
138 | else
139 | eval `echo args$i`="\"$arg\""
140 | fi
141 | i=$((i+1))
142 | done
143 | case $i in
144 | (0) set -- ;;
145 | (1) set -- "$args0" ;;
146 | (2) set -- "$args0" "$args1" ;;
147 | (3) set -- "$args0" "$args1" "$args2" ;;
148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
154 | esac
155 | fi
156 |
157 | # Escape application args
158 | save () {
159 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
160 | echo " "
161 | }
162 | APP_ARGS=$(save "$@")
163 |
164 | # Collect all arguments for the java command, following the shell quoting and substitution rules
165 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
166 |
167 | # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
168 | if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
169 | cd "$(dirname "$0")"
170 | fi
171 |
172 | exec "$JAVACMD" "$@"
173 |
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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 | set DIRNAME=%~dp0
12 | if "%DIRNAME%" == "" set DIRNAME=.
13 | set APP_BASE_NAME=%~n0
14 | set APP_HOME=%DIRNAME%
15 |
16 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
17 | set DEFAULT_JVM_OPTS=
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 Windows variants
50 |
51 | if not "%OS%" == "Windows_NT" goto win9xME_args
52 |
53 | :win9xME_args
54 | @rem Slurp the command line arguments.
55 | set CMD_LINE_ARGS=
56 | set _SKIP=2
57 |
58 | :win9xME_args_slurp
59 | if "x%~1" == "x" goto execute
60 |
61 | set CMD_LINE_ARGS=%*
62 |
63 | :execute
64 | @rem Setup the command line
65 |
66 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
67 |
68 | @rem Execute Gradle
69 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
70 |
71 | :end
72 | @rem End local scope for the variables with windows NT shell
73 | if "%ERRORLEVEL%"=="0" goto mainEnd
74 |
75 | :fail
76 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
77 | rem the _cmd.exe /c_ return code!
78 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
79 | exit /b 1
80 |
81 | :mainEnd
82 | if "%OS%"=="Windows_NT" endlocal
83 |
84 | :omega
85 |
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/settings.gradle:
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1 | include ':app', ':foldtextviewlibrary'
2 | rootProject.name='FoldTextView'
3 |
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