學識字小程式

class mainactivity :()

mtexttospeech.
speak
("哪個字是$text"
, texttospeech.queue_flush,
null)}
textview1.
setonclicklistener
catch
(e:exception)
}        textview2.
setonclicklistener
catch
(e:exception)
}        textview3.
setonclicklistener
catch
(e:exception)
}        textview4.
setonclicklistener
catch
(e:exception)}}
//隨機4個字的方法
funrandomtextview()
//判斷選的對不對
funjudge
(textview: textview)
string1 == string2 ->
//點哪個字，告訴讀什麼
else
-> mtexttospeech.
speak
("這個字是$string1"
, texttospeech.queue_flush,
null)}
}}

如下

<?xml version="1.0" encoding="utf-8"?>

xmlns:android
=""=""
xmlns:tools
=""android:layout_width
="match_parent"
android:layout_height
="match_parent"
android:background
="@drawable/beijing"
tools:context
=".mainactivity"
>
android:id
="@+id/guideline4"
android:layout_width
="wrap_content"
android:layout_height
="wrap_content"
android:orientation
="horizontal"
="parent"
="0.500684"
="parent"
/>
android:id
="@+id/guideline"
android:layout_width
="wrap_content"
android:layout_height
="wrap_content"
android:layout_marginstart
="205dp"
android:layout_marginend
="206dp"
android:orientation
="vertical"
="parent"
="0.50121653"
="parent"
/>
android:id
="@+id/textview1"
android:layout_width
="wrap_content"
android:layout_height
="wrap_content"
android:text
="大"
android:textcolor
="#020202"
android:textsize
="100sp"
="@+id/guideline4"
="@+id/guideline"
="parent"
="parent"
/>
android:id
="@+id/textview2"
android:layout_width
="wrap_content"
android:layout_height
="wrap_content"
android:text
="小"
android:textcolor
="#020202"
android:textsize
="100sp"
="@+id/guideline4"
="parent"
="@+id/guideline"
="parent"
/>
android:id
="@+id/textview3"
android:layout_width
="wrap_content"
android:layout_height
="wrap_content"
android:text
="多"
android:textsize
="100sp"
android:textcolor
="#020202"
="parent"
="@+id/guideline"
="parent"
="@+id/guideline4"
/>
android:id
="@+id/textview4"
android:layout_width
="wrap_content"
android:layout_height
="wrap_content"
android:text
="少"
android:textcolor
="#020202"
android:textsize
="100sp"
="parent"
="parent"
="@+id/guideline"
="@+id/guideline4"
/>
android:id
="@+id/button"
style
="@style/widget.materialcomponents.button.unelevatedbutton
"        android:layout_width
="wrap_content"
android:layout_height
="wrap_content"
android:paddingleft
="4dp"
android:paddingright
="4dp"
android:text
="提問"
android:textsize
="30sp"
="82dp"
="parent"
="parent"
="parent"
="parent"
/>
androidx.constraintlayout.widget.constraintlayout
>

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