Page 290 - MDP2022-3

<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/edtNumber"
android:text="112"
android:layout_gravity="center_horizontal" />
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center_horizontal">

<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="전화바로걸기"
android:id="@+id/btnCall"
android:layout_gravity="center_horizontal"
android:layout_weight="1" />

<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="전화걸기 다이얼로그"
android:id="@+id/btnDialog" />
</LinearLayout>
</LinearLayout>
</androidx.constraintlayout.widget.ConstraintLayout>

<갤러리 이동 코드>

gallery.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.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">

<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="0.93" />
<Button
android:id="@+id/button"
android:layout_width="0dp"
android:layout_height="50dp"
android:background="#ffffff"
android:onClick="bt1"
android:text="동영상 선택"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"