Android安卓TextView部分字体颜色

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Java代码

String colorText = "这里是<font color = \"#FF0000\">红色</font>的,这里是<font color = \"#03A9F4\">蓝色</font>的";
TextView textView = findViewById(R.id.textView);
textView.setText(Html.fromHtml(colorText));

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或Kotlin代码

 //修改TextView部分文字颜色
val colorText = "这里是<font color = \"#FF0000\">红色</font>的,这里是<font color = \"#03A9F4\">蓝色</font>的"
val textView = findViewById<TextView>(R.id.textView)
textView.text = Html.fromHtml(colorText)

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布局文件

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <TextView
        android:id="@+id/textView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Hello World!"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        android:textSize="18dp"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</android.support.constraint.ConstraintLayout>

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其运行效果