├── .gitignore
├── .idea
├── caches
│ └── build_file_checksums.ser
├── codeStyles
│ └── Project.xml
├── compiler.xml
├── encodings.xml
├── gradle.xml
├── jarRepositories.xml
├── kotlinc.xml
├── misc.xml
├── modules.xml
└── vcs.xml
├── AutoFitTextViewLibrary
├── .classpath
├── .gitignore
├── .project
├── AndroidManifest.xml
├── build.gradle
├── proguard-project.txt
├── project.properties
└── src
│ └── com
│ └── lb
│ └── auto_fit_textview
│ └── AutoResizeTextView.kt
├── AutoFitTextViewSample
├── .classpath
├── .gitignore
├── .project
├── AndroidManifest.xml
├── build.gradle
├── lint.xml
├── proguard-project.txt
├── project.properties
├── res
│ ├── drawable-hdpi
│ │ └── ic_launcher.png
│ ├── drawable-mdpi
│ │ └── ic_launcher.png
│ ├── drawable-xhdpi
│ │ └── ic_launcher.png
│ ├── drawable-xxhdpi
│ │ └── ic_launcher.png
│ ├── layout
│ │ ├── activity_main.xml
│ │ ├── activity_main2.xml
│ │ └── item.xml
│ ├── menu
│ │ └── main.xml
│ ├── values-w820dp
│ │ └── dimens.xml
│ └── values
│ │ ├── dimens.xml
│ │ └── strings.xml
└── src
│ └── com
│ └── example
│ └── autofittextviewsample
│ ├── Main2Activity.kt
│ └── MainActivity.kt
├── LICENSE
├── README.md
├── animationPreview.gif
├── build.gradle
├── gradle.properties
├── gradle
└── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── gradlew
├── gradlew.bat
└── settings.gradle
/.gitignore:
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1 | /AutoFitTextViewLibrary/gen
2 | /AutoFitTextViewLibrary/bin
3 | /AutoFitTextViewSample/bin
4 | /AutoFitTextViewSample/gen
5 | *.iml
6 | .gradle
7 | /local.properties
8 | /.idea/workspace.xml
9 | /.idea/libraries
10 | .DS_Store
11 | /build
12 |
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30 | com.android.ide.eclipse.adt.AndroidNature
31 | org.eclipse.jdt.core.javanature
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/AutoFitTextViewLibrary/build.gradle:
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1 | apply plugin: 'com.android.library'
2 | apply plugin: 'kotlin-android'
3 |
4 | android {
5 | compileSdkVersion 33
6 |
7 | defaultConfig {
8 | minSdkVersion 14
9 | targetSdkVersion 33
10 | }
11 |
12 | sourceSets {
13 | main {
14 | manifest.srcFile 'AndroidManifest.xml'
15 | java.srcDirs = ['src']
16 | resources.srcDirs = ['src']
17 | aidl.srcDirs = ['src']
18 | renderscript.srcDirs = ['src']
19 | res.srcDirs = ['res']
20 | assets.srcDirs = ['assets']
21 | }
22 | }
23 |
24 | buildTypes {
25 | release {
26 | minifyEnabled false
27 | }
28 | }
29 | compileOptions {
30 | sourceCompatibility JavaVersion.VERSION_11
31 | targetCompatibility JavaVersion.VERSION_11
32 | }
33 | kotlinOptions {
34 | jvmTarget = "11"
35 | }
36 | }
37 |
38 | dependencies {
39 | implementation 'androidx.appcompat:appcompat:1.5.1'
40 | implementation "androidx.core:core-ktx:1.9.0"
41 | }
42 | repositories {
43 | mavenCentral()
44 | }
45 |
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/AutoFitTextViewLibrary/proguard-project.txt:
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1 | # To enable ProGuard in your project, edit project.properties
2 | # to define the proguard.config property as described in that file.
3 | #
4 | # Add project specific ProGuard rules here.
5 | # By default, the flags in this file are appended to flags specified
6 | # in ${sdk.dir}/tools/proguard/proguard-android.txt
7 | # You can edit the include path and order by changing the ProGuard
8 | # include property in project.properties.
9 | #
10 | # For more details, see
11 | # http://developer.android.com/guide/developing/tools/proguard.html
12 |
13 | # Add any project specific keep options here:
14 |
15 | # If your project uses WebView with JS, uncomment the following
16 | # and specify the fully qualified class name to the JavaScript interface
17 | # class:
18 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
19 | # public *;
20 | #}
21 |
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/AutoFitTextViewLibrary/project.properties:
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1 | # This file is automatically generated by Android Tools.
2 | # Do not modify this file -- YOUR CHANGES WILL BE ERASED!
3 | #
4 | # This file must be checked in Version Control Systems.
5 | #
6 | # To customize properties used by the Ant build system edit
7 | # "ant.properties", and override values to adapt the script to your
8 | # project structure.
9 | #
10 | # To enable ProGuard to shrink and obfuscate your code, uncomment this (available properties: sdk.dir, user.home):
11 | #proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt
12 | # Project target.
13 |
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/AutoFitTextViewLibrary/src/com/lb/auto_fit_textview/AutoResizeTextView.kt:
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1 | package com.lb.auto_fit_textview
2 |
3 | import android.annotation.TargetApi
4 | import android.content.Context
5 | import android.content.res.Resources
6 | import android.graphics.RectF
7 | import android.graphics.Typeface
8 | import android.os.Build
9 | import android.text.Layout.Alignment
10 | import android.text.StaticLayout
11 | import android.text.TextPaint
12 | import android.util.AttributeSet
13 | import android.util.TypedValue
14 | import androidx.appcompat.widget.AppCompatTextView
15 |
16 | /**
17 | * a textView that is able to self-adjust its font size depending on the min and max size of the font, and its own size.
18 | * code is heavily based on this StackOverflow thread:
19 | * http://stackoverflow.com/questions/16017165/auto-fit-textview-for-android/21851239#21851239
20 | * It should work fine with most Android versions, but might have some issues on Android 3.1 - 4.04, as setTextSize will only work for the first time.
21 | * More info here: https://code.google.com/p/android/issues/detail?id=22493 and here in case you wish to fix it: http://stackoverflow.com/a/21851239/878126
22 | */
23 | class AutoResizeTextView @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null, defStyle: Int = android.R.attr.textViewStyle) : AppCompatTextView(context, attrs, defStyle) {
24 | private val availableSpaceRect = RectF()
25 | private val sizeTester: SizeTester
26 | private var maxTextSize: Float = 0.toFloat()
27 | private var spacingMult = 1.0f
28 | private var spacingAdd = 0.0f
29 | private var minTextSize: Float = 0.toFloat()
30 | private var widthLimit: Int = 0
31 | private var maxLines: Int = 0
32 | private var initialized = false
33 | private var textPaint: TextPaint
34 |
35 | private interface SizeTester {
36 | /**
37 | * @param suggestedSize Size of text to be tested
38 | * @param availableSpace available space in which text must fit
39 | * @return an integer < 0 if after applying `suggestedSize` to
40 | * text, it takes less space than `availableSpace`, > 0
41 | * otherwise
42 | */
43 | fun onTestSize(suggestedSize: Int, availableSpace: RectF): Int
44 | }
45 |
46 |
47 |
48 | init {
49 | // using the minimal recommended font size
50 | minTextSize = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, 12f, resources.displayMetrics)
51 | maxTextSize = textSize
52 | textPaint = TextPaint(paint)
53 | if (maxLines == 0)
54 | // no value was assigned during construction
55 | maxLines = NO_LINE_LIMIT
56 | // prepare size tester:
57 | sizeTester = object : SizeTester {
58 | val textRect = RectF()
59 |
60 | @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
61 | override fun onTestSize(suggestedSize: Int, availableSpace: RectF): Int {
62 | textPaint.textSize = suggestedSize.toFloat()
63 | val transformationMethod = transformationMethod
64 | val text: String = transformationMethod?.getTransformation(text, this@AutoResizeTextView)
65 | ?.toString()
66 | ?: text.toString()
67 | val singleLine = maxLines == 1
68 | if (singleLine) {
69 | textRect.bottom = textPaint.fontSpacing
70 | textRect.right = textPaint.measureText(text)
71 | } else {
72 | val layout: StaticLayout = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
73 | StaticLayout.Builder.obtain(text, 0, text.length, textPaint, widthLimit).setLineSpacing(spacingAdd, spacingMult).setAlignment(Alignment.ALIGN_NORMAL).setIncludePad(true).build()
74 | } else StaticLayout(text, textPaint, widthLimit, Alignment.ALIGN_NORMAL, spacingMult, spacingAdd, true)
75 | // return early if we have more lines
76 | if (maxLines != NO_LINE_LIMIT && layout.lineCount > maxLines)
77 | return 1
78 | textRect.bottom = layout.height.toFloat()
79 | var maxWidth = -1
80 | val lineCount = layout.lineCount
81 | for (i in 0 until lineCount) {
82 | val end = layout.getLineEnd(i)
83 | if (i < lineCount - 1 && end > 0 && !isValidWordWrap(text[end - 1]))
84 | return 1
85 | if (maxWidth < layout.getLineRight(i) - layout.getLineLeft(i))
86 | maxWidth = layout.getLineRight(i).toInt() - layout.getLineLeft(i).toInt()
87 | }
88 | //for (int i = 0; i < layout.getLineCount(); i++)
89 | // if (maxWidth < layout.getLineRight(i) - layout.getLineLeft(i))
90 | // maxWidth = (int) layout.getLineRight(i) - (int) layout.getLineLeft(i);
91 | textRect.right = maxWidth.toFloat()
92 | }
93 | textRect.offsetTo(0f, 0f)
94 | return if (availableSpace.contains(textRect)) -1 else 1
95 | // else, too big
96 | }
97 | }
98 | initialized = true
99 | }
100 |
101 | fun isValidWordWrap(c: Char): Boolean {
102 | return c == ' ' || c == '-'
103 | }
104 |
105 | override fun setAllCaps(allCaps: Boolean) {
106 | super.setAllCaps(allCaps)
107 | adjustTextSize()
108 | }
109 |
110 | override fun setTypeface(tf: Typeface?) {
111 | super.setTypeface(tf)
112 | adjustTextSize()
113 | }
114 |
115 | override fun setTextSize(size: Float) {
116 | maxTextSize = size
117 | adjustTextSize()
118 | }
119 |
120 | override fun setMaxLines(maxLines: Int) {
121 | super.setMaxLines(maxLines)
122 | this.maxLines = maxLines
123 | adjustTextSize()
124 | }
125 |
126 | override fun getMaxLines(): Int {
127 | return maxLines
128 | }
129 |
130 | override fun setSingleLine() {
131 | super.setSingleLine()
132 | maxLines = 1
133 | adjustTextSize()
134 | }
135 |
136 | override fun setSingleLine(singleLine: Boolean) {
137 | super.setSingleLine(singleLine)
138 | maxLines = if (singleLine)
139 | 1
140 | else
141 | NO_LINE_LIMIT
142 | adjustTextSize()
143 | }
144 |
145 | override fun setLines(lines: Int) {
146 | super.setLines(lines)
147 | maxLines = lines
148 | adjustTextSize()
149 | }
150 |
151 | override fun setTextSize(unit: Int, size: Float) {
152 | val c = context
153 | val r: Resources = if (c == null)
154 | Resources.getSystem()
155 | else
156 | c.resources
157 | maxTextSize = TypedValue.applyDimension(unit, size, r.displayMetrics)
158 | adjustTextSize()
159 | }
160 |
161 | override fun setLineSpacing(add: Float, mult: Float) {
162 | super.setLineSpacing(add, mult)
163 | spacingMult = mult
164 | spacingAdd = add
165 | }
166 |
167 | /**
168 | * Set the lower text size limit and invalidate the view
169 | */
170 | @Suppress("unused")
171 | fun setMinTextSize(minTextSize: Float) {
172 | this.minTextSize = minTextSize
173 | adjustTextSize()
174 | }
175 |
176 | private fun adjustTextSize() {
177 | // This is a workaround for truncated text issue on ListView, as shown here: https://github.com/AndroidDeveloperLB/AutoFitTextView/pull/14
178 | // TODO think of a nicer, elegant solution.
179 | // post(new Runnable()
180 | // {
181 | // @Override
182 | // public void run()
183 | // {
184 | if (!initialized)
185 | return
186 | val startSize = minTextSize.toInt()
187 | val heightLimit = measuredHeight - compoundPaddingBottom - compoundPaddingTop
188 | widthLimit = measuredWidth - compoundPaddingLeft - compoundPaddingRight
189 | if (widthLimit <= 0)
190 | return
191 | textPaint = TextPaint(paint)
192 | availableSpaceRect.right = widthLimit.toFloat()
193 | availableSpaceRect.bottom = heightLimit.toFloat()
194 | superSetTextSize(startSize)
195 | // }
196 | // });
197 | }
198 |
199 | private fun superSetTextSize(startSize: Int) {
200 | val textSize = binarySearch(startSize, maxTextSize.toInt(), sizeTester, availableSpaceRect)
201 | super.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize.toFloat())
202 | }
203 |
204 | private fun binarySearch(start: Int, end: Int, sizeTester: SizeTester, availableSpace: RectF): Int {
205 | var lastBest = start
206 | var lo = start
207 | var hi = end - 1
208 | var mid: Int
209 | while (lo <= hi) {
210 | mid = (lo + hi).ushr(1)
211 | val midValCmp = sizeTester.onTestSize(mid, availableSpace)
212 | if (midValCmp < 0) {
213 | lastBest = lo
214 | lo = mid + 1
215 | } else if (midValCmp > 0) {
216 | hi = mid - 1
217 | lastBest = hi
218 | } else
219 | return mid
220 | }
221 | // make sure to return last best
222 | // this is what should always be returned
223 | return lastBest
224 | }
225 |
226 | override fun onTextChanged(text: CharSequence, start: Int, before: Int, after: Int) {
227 | super.onTextChanged(text, start, before, after)
228 | adjustTextSize()
229 | }
230 |
231 | override fun onSizeChanged(width: Int, height: Int, oldwidth: Int, oldheight: Int) {
232 | super.onSizeChanged(width, height, oldwidth, oldheight)
233 | if (width != oldwidth || height != oldheight)
234 | adjustTextSize()
235 | }
236 |
237 | companion object {
238 | private const val NO_LINE_LIMIT = -1
239 | }
240 | }
241 |
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1 | apply plugin: 'com.android.application'
2 | apply plugin: 'kotlin-android'
3 |
4 | android {
5 | compileSdkVersion 33
6 |
7 | defaultConfig {
8 | applicationId "com.example.autofittextviewsample"
9 | minSdkVersion 17
10 | targetSdkVersion 33
11 | versionCode 1
12 | versionName "1.0"
13 | }
14 |
15 | buildTypes {
16 | release {
17 | }
18 | }
19 |
20 | sourceSets {
21 | main {
22 | manifest.srcFile 'AndroidManifest.xml'
23 | java.srcDirs = ['src']
24 | resources.srcDirs = ['src']
25 | aidl.srcDirs = ['src']
26 | renderscript.srcDirs = ['src']
27 | res.srcDirs = ['res']
28 | assets.srcDirs = ['assets']
29 | }
30 | }
31 | compileOptions {
32 | sourceCompatibility JavaVersion.VERSION_11
33 | targetCompatibility JavaVersion.VERSION_11
34 | }
35 | kotlinOptions {
36 | jvmTarget = "11"
37 | }
38 | buildFeatures {
39 | viewBinding true
40 | }
41 | }
42 |
43 | dependencies {
44 | implementation fileTree(dir: 'libs', include: ['*.jar'])
45 | implementation 'androidx.appcompat:appcompat:1.5.1'
46 | implementation 'androidx.recyclerview:recyclerview:1.2.1'
47 | implementation project(':AutoFitTextViewLibrary')
48 | implementation 'androidx.core:core-ktx:1.9.0'
49 | implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
50 | }
51 | repositories {
52 | mavenCentral()
53 | }
54 |
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/AutoFitTextViewSample/proguard-project.txt:
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1 | # To enable ProGuard in your project, edit project.properties
2 | # to define the proguard.config property as described in that file.
3 | #
4 | # Add project specific ProGuard rules here.
5 | # By default, the flags in this file are appended to flags specified
6 | # in ${sdk.dir}/tools/proguard/proguard-android.txt
7 | # You can edit the include path and order by changing the ProGuard
8 | # include property in project.properties.
9 | #
10 | # For more details, see
11 | # http://developer.android.com/guide/developing/tools/proguard.html
12 |
13 | # Add any project specific keep options here:
14 |
15 | # If your project uses WebView with JS, uncomment the following
16 | # and specify the fully qualified class name to the JavaScript interface
17 | # class:
18 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
19 | # public *;
20 | #}
21 |
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/AutoFitTextViewSample/project.properties:
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1 | # This file is automatically generated by Android Tools.
2 | # Do not modify this file -- YOUR CHANGES WILL BE ERASED!
3 | #
4 | # This file must be checked in Version Control Systems.
5 | #
6 | # To customize properties used by the Ant build system edit
7 | # "ant.properties", and override values to adapt the script to your
8 | # project structure.
9 | #
10 | # To enable ProGuard to shrink and obfuscate your code, uncomment this (available properties: sdk.dir, user.home):
11 | #proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt
12 | # Project target.
13 |
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4 | Randomize
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/AutoFitTextViewSample/src/com/example/autofittextviewsample/Main2Activity.kt:
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1 | package com.example.autofittextviewsample
2 |
3 | import android.os.Bundle
4 | import android.view.LayoutInflater
5 | import android.view.View
6 | import android.view.ViewGroup
7 | import android.widget.TextView
8 | import androidx.appcompat.app.AppCompatActivity
9 | import androidx.recyclerview.widget.LinearLayoutManager
10 | import androidx.recyclerview.widget.RecyclerView
11 | import androidx.recyclerview.widget.RecyclerView.Adapter
12 | import com.example.autofittextviewsample.databinding.ActivityMain2Binding
13 |
14 | class Main2Activity : AppCompatActivity() {
15 | private lateinit var binding: ActivityMain2Binding
16 |
17 | override fun onCreate(savedInstanceState: Bundle?) {
18 | super.onCreate(savedInstanceState)
19 | binding = ActivityMain2Binding.inflate(layoutInflater)
20 | setContentView(binding.root)
21 | binding.recyclerView.layoutManager =
22 | LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false)
23 | binding.recyclerView.adapter = object : Adapter() {
24 | override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
25 | return object : ViewHolder(
26 | LayoutInflater.from(this@Main2Activity).inflate(R.layout.item, parent, false)
27 | ) {
28 |
29 | }
30 | }
31 |
32 | override fun onBindViewHolder(holder: ViewHolder, position: Int) {
33 | val sb = StringBuilder("item:")
34 | for (i in 0..position)
35 | sb.append(position.toString())
36 | holder.textView.text = sb
37 | }
38 |
39 | override fun getItemCount(): Int {
40 | return 50
41 | }
42 | }
43 | }
44 |
45 | private open class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
46 | val textView: TextView
47 |
48 | init {
49 | textView = itemView.findViewById(android.R.id.text1) as TextView
50 | }
51 | }
52 | }
53 |
--------------------------------------------------------------------------------
/AutoFitTextViewSample/src/com/example/autofittextviewsample/MainActivity.kt:
--------------------------------------------------------------------------------
1 | package com.example.autofittextviewsample
2 |
3 | import android.content.Intent
4 | import android.net.Uri
5 | import android.os.Bundle
6 | import android.text.Editable
7 | import android.text.TextUtils.TruncateAt
8 | import android.text.TextWatcher
9 | import android.util.TypedValue
10 | import android.view.Gravity
11 | import android.view.Menu
12 | import android.view.MenuItem
13 | import android.view.View
14 | import android.view.View.OnClickListener
15 | import android.view.ViewGroup.LayoutParams
16 | import android.view.ViewTreeObserver.OnPreDrawListener
17 | import android.widget.*
18 | import android.widget.SeekBar.OnSeekBarChangeListener
19 | import androidx.appcompat.app.AppCompatActivity
20 | import com.example.autofittextviewsample.databinding.ActivityMainBinding
21 | import com.lb.auto_fit_textview.AutoResizeTextView
22 |
23 | class MainActivity : AppCompatActivity() {
24 | private lateinit var binding: ActivityMainBinding
25 | override fun onCreate(savedInstanceState: Bundle?) {
26 | super.onCreate(savedInstanceState)
27 | binding = ActivityMainBinding.inflate(layoutInflater)
28 | setContentView(binding.root)
29 | binding.contentEditText.addTextChangedListener(object : TextWatcher {
30 | override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {}
31 |
32 | override fun beforeTextChanged(s: CharSequence, start: Int, count: Int, after: Int) {}
33 |
34 | override fun afterTextChanged(s: Editable) {
35 | recreateTextView()
36 | }
37 | })
38 | val seekBarChangeListener = object : OnSeekBarChangeListener {
39 | override fun onStopTrackingTouch(seekBar: SeekBar) {}
40 |
41 | override fun onStartTrackingTouch(seekBar: SeekBar) {}
42 |
43 | override fun onProgressChanged(seekBar: SeekBar, progress: Int, fromUser: Boolean) {
44 | recreateTextView()
45 | }
46 | }
47 | binding.heightSeekBar.setOnSeekBarChangeListener(seekBarChangeListener)
48 | binding.widthSeekBar.setOnSeekBarChangeListener(seekBarChangeListener)
49 | findViewById(R.id.plusLineCountButton).setOnClickListener {
50 | var maxLinesCount = Integer.parseInt(binding.linesCountTextView.text.toString())
51 | binding.linesCountTextView.text = (++maxLinesCount).toString()
52 | recreateTextView()
53 | }
54 | findViewById(R.id.minusLineCountButton).setOnClickListener(OnClickListener {
55 | var maxLinesCount = Integer.parseInt(binding.linesCountTextView.text.toString())
56 | if (maxLinesCount == 1)
57 | return@OnClickListener
58 | binding.linesCountTextView.text = (--maxLinesCount).toString()
59 | recreateTextView()
60 | })
61 | runJustBeforeBeingDrawn(binding.textViewContainer) { recreateTextView() }
62 |
63 |
64 | }
65 |
66 | private fun recreateTextView() {
67 | binding.textViewContainer.removeAllViews()
68 | val maxWidth = binding.textViewContainer.width
69 | val maxHeight = binding.textViewContainer.height
70 | val textView = AutoResizeTextView(this@MainActivity)
71 | textView.gravity = Gravity.CENTER
72 | val width = binding.widthSeekBar.progress * maxWidth / binding.widthSeekBar.max
73 | val height = binding.heightSeekBar.progress * maxHeight / binding.heightSeekBar.max
74 | val maxLinesCount = Integer.parseInt(binding.linesCountTextView.text.toString())
75 | textView.maxLines = maxLinesCount
76 | textView.textSize = TypedValue.applyDimension(
77 | TypedValue.COMPLEX_UNIT_SP,
78 | maxHeight.toFloat(),
79 | resources.displayMetrics
80 | )
81 | textView.ellipsize = TruncateAt.END
82 | // since we use it only once per each click, we don't need to cache the results, ever
83 | textView.layoutParams = LayoutParams(width, height)
84 | textView.setBackgroundColor(-0xff0100)
85 | val text = binding.contentEditText.text.toString()
86 | textView.text = text
87 | binding.textViewContainer.addView(textView)
88 | }
89 |
90 | // private String getRandomText()
91 | // {
92 | // final int textLength=_random.nextInt(20)+1;
93 | // final StringBuilder builder=new StringBuilder();
94 | // for(int i=0;i url =
107 | "https://play.google.com/store/apps/developer?id=AndroidDeveloperLB"
108 |
109 | R.id.menuItem_all_my_repositories -> url = "https://github.com/AndroidDeveloperLB"
110 | R.id.menuItem_current_repository_website -> url =
111 | "https://github.com/AndroidDeveloperLB/AutoFitTextView"
112 |
113 | R.id.menuItem_show_recyclerViewSample -> {
114 | startActivity(Intent(this, Main2Activity::class.java))
115 | return true
116 | }
117 | }
118 | if (url == null)
119 | return true
120 | val intent = Intent(Intent.ACTION_VIEW, Uri.parse(url))
121 | intent.addFlags(Intent.FLAG_ACTIVITY_NO_HISTORY or Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET)
122 | intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_MULTIPLE_TASK)
123 | startActivity(intent)
124 | return true
125 | }
126 |
127 | companion object {
128 |
129 | fun runJustBeforeBeingDrawn(view: View, runnable: Runnable) {
130 | val preDrawListener = object : OnPreDrawListener {
131 | override fun onPreDraw(): Boolean {
132 | runnable.run()
133 | view.viewTreeObserver.removeOnPreDrawListener(this)
134 | return true
135 | }
136 | }
137 | view.viewTreeObserver.addOnPreDrawListener(preDrawListener)
138 | }
139 | }
140 | }
141 |
--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
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/README.md:
--------------------------------------------------------------------------------
1 | [](https://jitpack.io/#AndroidDeveloperLB/AutoFitTextView)
2 |
3 | AutoFitTextView
4 | ===============
5 |
6 | A TextView that automatically fit its font and line count based on its available size and content
7 |
8 | This code is heavily based on [**this StackOverflow thread**][1].
9 |
10 | The sample shows how the library can handle various parameters being changed on the TextView: width, height, number of lines allowed, and the content (text) itself. You can play with the various properties to see how the library handle them.
11 |
12 | Note that even though the sample is of API 17, it should work fine on most cases for API 14 and above.
13 |
14 | A nice example of how to use an EditText that has this functionality can be found [here][4] (didn't test it, but it looks promising).
15 |
16 | Preview
17 | --
18 | ![preview animation][2]
19 |
20 | Import using Gradle
21 | --
22 |
23 | allprojects {
24 | repositories {
25 | ...
26 | maven { url "https://jitpack.io" }
27 | }
28 | }
29 |
30 | dependencies {
31 | implementation 'com.github.AndroidDeveloperLB:AutoFitTextView:XXX'
32 | }
33 |
34 | You can find recent version here (replace XXX):
35 |
36 | https://jitpack.io/#AndroidDeveloperLB/AutoFitTextView
37 |
38 |
39 | [1]: http://stackoverflow.com/questions/16017165/auto-fit-textview-for-android/21851239
40 | [2]: https://raw.githubusercontent.com/AndroidDeveloperLB/AutoFitTextView/master/animationPreview.gif
41 | [4]: https://viksaaskool.wordpress.com/2014/11/16/using-auto-resize-to-fit-edittext-in-android/
42 |
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/animationPreview.gif:
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https://raw.githubusercontent.com/AndroidDeveloperLB/AutoFitTextView/fe3caf418d2aab5dc2171ac0cecf59643675adee/animationPreview.gif
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/build.gradle:
--------------------------------------------------------------------------------
1 | // Top-level build file where you can add configuration options common to all sub-projects/modules.
2 |
3 | buildscript {
4 | repositories {
5 | mavenCentral()
6 | google()
7 | }
8 | dependencies {
9 | // https://mvnrepository.com/artifact/com.android.tools.build/gradle?repo=google
10 | classpath 'com.android.tools.build:gradle:7.4.0-rc01'
11 | // https://kotlinlang.org/docs/reference/using-gradle.html https://plugins.gradle.org/plugin/org.jetbrains.kotlin.android
12 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.7.10"
13 | }
14 | }
15 |
16 | allprojects {
17 | repositories {
18 | mavenCentral()
19 | google()
20 | }
21 | }
22 |
--------------------------------------------------------------------------------
/gradle.properties:
--------------------------------------------------------------------------------
1 | # Project-wide Gradle settings.
2 |
3 | # IDE (e.g. Android Studio) users:
4 | # Settings specified in this file will override any Gradle settings
5 | # configured through the IDE.
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
19 | android.enableJetifier=true
20 | android.useAndroidX=true
21 |
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/gradle/wrapper/gradle-wrapper.jar:
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https://raw.githubusercontent.com/AndroidDeveloperLB/AutoFitTextView/fe3caf418d2aab5dc2171ac0cecf59643675adee/gradle/wrapper/gradle-wrapper.jar
--------------------------------------------------------------------------------
/gradle/wrapper/gradle-wrapper.properties:
--------------------------------------------------------------------------------
1 | #Mon Dec 26 20:06:41 IST 2022
2 | distributionBase=GRADLE_USER_HOME
3 | distributionPath=wrapper/dists
4 | distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-bin.zip
5 | zipStoreBase=GRADLE_USER_HOME
6 | zipStorePath=wrapper/dists
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 | # For Cygwin, ensure paths are in UNIX format before anything is touched.
46 | if $cygwin ; then
47 | [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
48 | fi
49 |
50 | # Attempt to set APP_HOME
51 | # Resolve links: $0 may be a link
52 | PRG="$0"
53 | # Need this for relative symlinks.
54 | while [ -h "$PRG" ] ; do
55 | ls=`ls -ld "$PRG"`
56 | link=`expr "$ls" : '.*-> \(.*\)$'`
57 | if expr "$link" : '/.*' > /dev/null; then
58 | PRG="$link"
59 | else
60 | PRG=`dirname "$PRG"`"/$link"
61 | fi
62 | done
63 | SAVED="`pwd`"
64 | cd "`dirname \"$PRG\"`/" >&-
65 | APP_HOME="`pwd -P`"
66 | cd "$SAVED" >&-
67 |
68 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
69 |
70 | # Determine the Java command to use to start the JVM.
71 | if [ -n "$JAVA_HOME" ] ; then
72 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
73 | # IBM's JDK on AIX uses strange locations for the executables
74 | JAVACMD="$JAVA_HOME/jre/sh/java"
75 | else
76 | JAVACMD="$JAVA_HOME/bin/java"
77 | fi
78 | if [ ! -x "$JAVACMD" ] ; then
79 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
80 |
81 | Please set the JAVA_HOME variable in your environment to match the
82 | location of your Java installation."
83 | fi
84 | else
85 | JAVACMD="java"
86 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
87 |
88 | Please set the JAVA_HOME variable in your environment to match the
89 | location of your Java installation."
90 | fi
91 |
92 | # Increase the maximum file descriptors if we can.
93 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
94 | MAX_FD_LIMIT=`ulimit -H -n`
95 | if [ $? -eq 0 ] ; then
96 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
97 | MAX_FD="$MAX_FD_LIMIT"
98 | fi
99 | ulimit -n $MAX_FD
100 | if [ $? -ne 0 ] ; then
101 | warn "Could not set maximum file descriptor limit: $MAX_FD"
102 | fi
103 | else
104 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
105 | fi
106 | fi
107 |
108 | # For Darwin, add options to specify how the application appears in the dock
109 | if $darwin; then
110 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
111 | fi
112 |
113 | # For Cygwin, switch paths to Windows format before running java
114 | if $cygwin ; then
115 | APP_HOME=`cygpath --path --mixed "$APP_HOME"`
116 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
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 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
158 | function splitJvmOpts() {
159 | JVM_OPTS=("$@")
160 | }
161 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
162 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
163 |
164 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
165 |
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/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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/settings.gradle:
--------------------------------------------------------------------------------
1 | include ':AutoFitTextViewLibrary'
2 | include ':AutoFitTextViewSample'
3 |
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