caculate radius of the button

tuanthnguyen · tuanthnguyen · commit b377037f6744 · 2018-11-30T22:59:42.000+07:00
diff --git a/.idea/assetWizardSettings.xml b/.idea/assetWizardSettings.xml
diff --git a/README.md b/README.md
@@ -44,7 +44,12 @@ fab.setPaddingInsideButton(resources.getDimensionPixelSize(R.dimen.padding_fab))
 // pixel
 fab.setTextSize(resources.getDimensionPixelSize(R.dimen.text_size_fab).toFloat())
 // or
-fab.setTextSize(TypedValue.COMPLEX_UNIT_SP, 14)
+fab.setTextSize(TypedValue.COMPLEX_UNIT_SP, 14f)
+// text style
+fab.setTypeface(Typeface.BOLD)
+// font
+val typeface = Typeface.createFromAsset(assets, "fonts/roboto.ttf")
+fab.setTypeface(typeface)
 ```
 
 ### Layout xml
@@ -70,7 +75,7 @@ add `xmlns:app="http://schemas.android.com/apk/res-auto"`
 ## Attributes
 
 |attribute name|description|
-|:-:|:-:|
+|----------|----------|
 |fab_content|The content of the button|
 |fab_padding_text_icon|The padding between the text and icon|
 |fab_text_color|The color of the text|
@@ -95,7 +100,7 @@ allprojects {
 
 Step 2. Add the dependency
 ```
-implementation 'com.github.imtuann:FloatingActionButtonExpandable:1.1.0'
+implementation 'com.github.imtuann:FloatingActionButtonExpandable:1.1.1'
 ```
 
 ## License
diff --git a/app/build.gradle b/app/build.gradle
@@ -5,13 +5,13 @@ apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
 
 android {
-    compileSdkVersion 28
+    compileSdkVersion rootProject.COMPILE_SDK_VERSION
     defaultConfig {
         applicationId "com.tuann.sample.floatingactionbuttonexpandable"
-        minSdkVersion 21
-        targetSdkVersion 28
-        versionCode 1
-        versionName "1.0.0"
+        minSdkVersion rootProject.MIN_SDK_VERSION
+        targetSdkVersion rootProject.TARGET_SDK_VERSION
+        versionCode rootProject.VERSION_CODE
+        versionName rootProject.VERSION_NAME
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
     buildTypes {
@@ -25,8 +25,8 @@ android {
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation 'com.android.support:appcompat-v7:28.0.0'
-    implementation 'com.android.support:recyclerview-v7:28.0.0'
+    implementation "com.android.support:appcompat-v7:$rootProject.supportLibraryVersion"
+    implementation "com.android.support:recyclerview-v7:$rootProject.supportLibraryVersion"
     implementation 'com.android.support.constraint:constraint-layout:1.1.3'
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
diff --git a/app/src/main/res/drawable/ic_message_white_24dp.xml b/app/src/main/res/drawable/ic_message_white_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#ffffffff"
+        android:pathData="M20,2L4,2c-1.1,0 -1.99,0.9 -1.99,2L2,22l4,-4h14c1.1,0 2,-0.9 2,-2L22,4c0,-1.1 -0.9,-2 -2,-2zM18,14L6,14v-2h12v2zM18,11L6,11L6,9h12v2zM18,8L6,8L6,6h12v2z"/>
+</vector>
diff --git a/build.gradle b/build.gradle
@@ -25,3 +25,13 @@ allprojects {
 task clean(type: Delete) {
     delete rootProject.buildDir
 }
+
+ext {
+    COMPILE_SDK_VERSION = 28
+    MIN_SDK_VERSION = 21
+    TARGET_SDK_VERSION = 28
+    VERSION_CODE = 1
+    VERSION_NAME = '1.0.0'
+
+    supportLibraryVersion = '28.0.0'
+}
diff --git a/floatingactionbuttonexpandable/build.gradle b/floatingactionbuttonexpandable/build.gradle
@@ -4,13 +4,13 @@ apply plugin: 'maven'
 group = 'com.github.imtuann'
 
 android {
-    compileSdkVersion 28
+    compileSdkVersion rootProject.COMPILE_SDK_VERSION
 
     defaultConfig {
-        minSdkVersion 21
-        targetSdkVersion 28
-        versionCode 1
-        versionName "1.0.0"
+        minSdkVersion rootProject.MIN_SDK_VERSION
+        targetSdkVersion rootProject.TARGET_SDK_VERSION
+        versionCode rootProject.VERSION_CODE
+        versionName rootProject.VERSION_NAME
 
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
@@ -25,9 +25,9 @@ android {
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation 'com.android.support:appcompat-v7:28.0.0'
-    implementation 'com.android.support:cardview-v7:28.0.0'
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation "com.android.support:appcompat-v7:$rootProject.supportLibraryVersion"
+    implementation "com.android.support:cardview-v7:$rootProject.supportLibraryVersion"
 }
 repositories {
     mavenCentral()
diff --git a/floatingactionbuttonexpandable/src/main/java/com/tuann/floatingactionbuttonexpandable/FloatingActionButtonExpandable.kt b/floatingactionbuttonexpandable/src/main/java/com/tuann/floatingactionbuttonexpandable/FloatingActionButtonExpandable.kt
@@ -2,6 +2,7 @@ package com.tuann.floatingactionbuttonexpandable
 
 import android.content.Context
 import android.graphics.Bitmap
+import android.graphics.Typeface
 import android.graphics.drawable.Drawable
 import android.os.Parcel
 import android.os.Parcelable
@@ -99,36 +100,7 @@ class FloatingActionButtonExpandable @JvmOverloads constructor(
             .inflateTransition(R.transition.float_action_button_toggle)
         setExpanded(expanded)
 
-        viewTreeObserver.addOnGlobalLayoutListener(object : ViewTreeObserver.OnGlobalLayoutListener {
-            override fun onGlobalLayout() {
-                viewTreeObserver.removeOnGlobalLayoutListener(this)
-                cardView.radius = (height / 2).toFloat() - 2 * resources.getDimensionPixelSize(R.dimen.card_elevation)
-            }
-        })
-    }
-
-    fun expand(anim: Boolean = true) {
-        if (expanded) return
-        expanded = true
-        execute(anim)
-    }
-
-    fun collapse(anim: Boolean = true) {
-        if (!expanded) return
-        expanded = false
-        execute(anim)
-    }
-
-    fun toggle(anim: Boolean = true) {
-        expanded = !expanded
-        execute(anim)
-    }
-
-    private fun execute(anim: Boolean = true) {
-        toggle.duration = if (anim) duration else 0
-        TransitionManager.beginDelayedTransition(root.parent as ViewGroup, toggle)
-        tvContent.visibility = if (expanded) View.VISIBLE else View.GONE
-        ivIcon.isActivated = expanded
+        calculateRadius()
     }
 
     fun setDuration(duration: Long) {
@@ -137,18 +109,22 @@ class FloatingActionButtonExpandable @JvmOverloads constructor(
 
     fun setContent(content: String) {
         tvContent.text = content
+        calculateRadius()
     }
 
     fun setIconActionButton(drawable: Drawable) {
         ivIcon.setImageDrawable(drawable)
+        calculateRadius()
     }
 
     fun setIconActionButton(resId: Int) {
         ivIcon.setImageResource(resId)
+        calculateRadius()
     }
 
     fun setIconActionButton(bitmap: Bitmap) {
         ivIcon.setImageBitmap(bitmap)
+        calculateRadius()
     }
 
     fun setTextColor(color: Int) {
@@ -165,14 +141,27 @@ class FloatingActionButtonExpandable @JvmOverloads constructor(
 
     fun setTextSize(size: Float) {
         tvContent.setTextSize(TypedValue.COMPLEX_UNIT_SP, size)
+        calculateRadius()
     }
 
     fun setTextSize(unit: Int, size: Float) {
         tvContent.setTextSize(unit, size)
+        calculateRadius()
     }
 
     fun setPaddingInsideButton(padding: Int) {
         buttonLayout.setPadding(padding, padding, padding, padding)
+        calculateRadius()
+    }
+
+    fun setTypeface(style: Int) {
+        tvContent.setTypeface(tvContent.typeface, style)
+        calculateRadius()
+    }
+
+    fun setTypeface(typeface: Typeface) {
+        tvContent.typeface = typeface
+        calculateRadius()
     }
 
     fun setExpanded(expanded: Boolean) {
@@ -181,6 +170,43 @@ class FloatingActionButtonExpandable @JvmOverloads constructor(
         ivIcon.isActivated = expanded
     }
 
+    fun expand(anim: Boolean = true) {
+        if (expanded) return
+        expanded = true
+        execute(anim)
+    }
+
+    fun collapse(anim: Boolean = true) {
+        if (!expanded) return
+        expanded = false
+        execute(anim)
+    }
+
+    fun toggle(anim: Boolean = true) {
+        expanded = !expanded
+        execute(anim)
+    }
+
+    private fun execute(anim: Boolean = true) {
+        toggle.duration = if (anim) duration else 0
+        TransitionManager.beginDelayedTransition(root.parent as ViewGroup, toggle)
+        tvContent.visibility = if (expanded) View.VISIBLE else View.GONE
+        ivIcon.isActivated = expanded
+        calculateRadius()
+    }
+
+    /**
+     * Calculates the radius of the button
+     */
+    private fun calculateRadius() {
+        cardView.viewTreeObserver.addOnGlobalLayoutListener(object : ViewTreeObserver.OnGlobalLayoutListener {
+            override fun onGlobalLayout() {
+                cardView.viewTreeObserver.removeOnGlobalLayoutListener(this)
+                cardView.radius = ((height / 2) - 2 * resources.getDimensionPixelSize(R.dimen.card_elevation)).toFloat()
+            }
+        })
+    }
+
     override fun onSaveInstanceState(): Parcelable {
         val savedState = SavedState(super.onSaveInstanceState())
         savedState.expanded = expanded
