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activity_main.xml
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45 lines (41 loc) · 1.64 KB
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<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.root.led_control.MainActivity">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="41dp"
android:text="IOT CONTROL LED"
android:textSize="30sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"
android:id="@+id/textView" />
<Button
android:id="@+id/on"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_centerVertical="true"
android:layout_marginLeft="36dp"
android:layout_marginStart="36dp"
android:text="ON" />
<Button
android:id="@+id/off"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="OFF"
android:layout_alignBaseline="@+id/on"
android:layout_alignBottom="@+id/on"
android:layout_alignRight="@+id/textView"
android:layout_alignEnd="@+id/textView" />
</RelativeLayout>