30 lines
1.1 KiB
XML
30 lines
1.1 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:app="http://schemas.android.com/apk/res-auto"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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tools:context="com.mjsheng.myappstore.MainActivity">
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<Button
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android:id="@+id/btn_babySystem"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="babySystem" />
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<Button
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android:id="@+id/btn_primarySystem"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="primarySystem"
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app:layout_constraintTop_toBottomOf="@+id/btn_babySystem" />
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<Button
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android:id="@+id/btn_middleSystem"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="middleSystem"
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app:layout_constraintTop_toBottomOf="@id/btn_primarySystem" />
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</android.support.constraint.ConstraintLayout>
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