add alignmentSpan & absoluteSizeSpan

Author: junerver

app/src/main/java/xyz/junerver/ssktx/MainActivity.kt

@@ -1,18 +1,10 @@
 package xyz.junerver.ssktx
 
-import android.Manifest
-import android.content.pm.ActivityInfo
-import android.content.res.Configuration
 import android.graphics.Typeface
-import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
-import android.text.Editable
-import android.text.InputType
-import android.text.TextWatcher
-import android.text.method.DigitsKeyListener
-import android.text.style.DynamicDrawableSpan
-import android.util.Log
+import android.text.Layout
 import android.widget.TextView
+import androidx.appcompat.app.AppCompatActivity
 
 
 private const val TAG = "MainActivity"
@@ -28,14 +20,16 @@ class MainActivity : AppCompatActivity() {
                 setBackgroundColor("#ff0099")
             }
             "还可以这样用"{
+                setAlignment(Layout.Alignment.ALIGN_CENTER)
+                setTextSize(44)
                 setBackgroundColor("#ffff99")
             }
             addText("\n我已详细阅读并同意") {
                 setBackgroundColor("#FF9900")
                 setStyle(Typeface.BOLD_ITALIC)
                 userUnderLine()
                 useStrikethrough()
-                setDrawableRight(R.drawable.icon_dingding, DynamicDrawableSpan.ALIGN_CENTER)
+                setDrawableRight(R.drawable.icon_dingding)
             }
             addText("\n打电话") {
                 asURL("tel:10086")
@@ -48,5 +42,13 @@ class MainActivity : AppCompatActivity() {
                 }
             }
         }
+
+        findViewById<TextView>(R.id.tv_test2).buildSpannableString {
+            "我是一个居中的文字内容"{
+                setAlignment(Layout.Alignment.ALIGN_CENTER)
+                setTextSize(44)
+                setBackgroundColor("#ffff99")
+            }
+        }
     }
 }

app/src/main/res/layout/activity_main.xml

@@ -11,11 +11,26 @@
         android:id="@+id/tv_test"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="t"
+        android:text="我是一个兵"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toRightOf="parent"
         app:layout_constraintTop_toTopOf="parent"
+        android:textSize="18sp"
         app:layout_constraintVertical_bias="0.182" />
 
+    <TextView
+        android:id="@+id/tv_test2"
+        android:layout_width="200dp"
+        android:layout_height="100dp"
+        android:background="@color/cardview_dark_background"
+        android:text="我是一个兵2"
+        android:textSize="18sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintHorizontal_bias="0.497"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.614" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>

build.gradle

@@ -1,5 +1,3 @@
-import com.vanniktech.maven.publish.SonatypeHost
-
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
     id 'com.android.application' version '7.1.2' apply false

library/src/main/java/xyz/junerver/ssktx/TextView.kt

@@ -6,6 +6,7 @@ import android.graphics.Color
 import android.graphics.Paint
 import android.graphics.Typeface
 import android.graphics.drawable.Drawable
+import android.text.Layout
 import android.text.Spannable
 import android.text.SpannableStringBuilder
 import android.text.TextPaint
@@ -95,6 +96,10 @@ interface DslSpanBuilder {
     //设置文字颜色
     fun setForegroundColor(@Size(min = 1) colorString: String)
     fun setForegroundColor(@ColorRes colorId: Int)
+    //设置文字布局
+    fun setAlignment(align: Layout.Alignment)
+    //设置文字大小
+    fun setTextSize(size: Int)
 
     //设置文字背景色
     fun setBackgroundColor(@Size(min = 1) colorString: String)
@@ -143,14 +148,16 @@ interface DslSpanBuilder {
 
 class DslSpanBuilderImpl(private val textView: TextView) : DslSpanBuilder {
     var foregroundColorSpan: ForegroundColorSpan? = null
+    var alignmentSpan: AlignmentSpan? = null
+    var textSizeSpan: AbsoluteSizeSpan? = null
     var backgroundColorSpan: BackgroundColorSpan? = null
     var styleSpan: StyleSpan? = null
     var onClickSpan: ClickableSpan? = null
     var imageSpan: ImageSpan? = null
     var underlineSpan: UnderlineSpan? = null
     var strikethroughSpan: StrikethroughSpan? = null
     var urlSpan: URLSpan? = null
-    internal val spanList = mutableListOf<CharacterStyle?>()
+    internal val spanList = mutableListOf<Any?>()
 
     //添加的 drawable 默认位于文字左侧
     var drawableLeft = true
@@ -165,6 +172,16 @@ class DslSpanBuilderImpl(private val textView: TextView) : DslSpanBuilder {
         spanList.add(foregroundColorSpan)
     }
 
+    override fun setAlignment(align: Layout.Alignment) {
+        alignmentSpan = AlignmentSpan.Standard(align)
+        spanList.add(alignmentSpan)
+    }
+
+    override fun setTextSize(size: Int) {
+        textSizeSpan = AbsoluteSizeSpan(size)
+        spanList.add(textSizeSpan)
+    }
+
     override fun setBackgroundColor(@Size(min = 1) colorString: String) {
         backgroundColorSpan = BackgroundColorSpan(Color.parseColor(colorString))
         spanList.add(backgroundColorSpan)