activity_import_key.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="edu.nctu.wirelab.testsignalv1.ImportKey">

    <TextView
        android:id="@+id/KeyPathTextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="KeyPath:" />
    <Button
        android:id="@+id/BrowseButton"
        android:layout_width="150dp"
        android:layout_height="wrap_content"
        android:layout_below="@+id/KeyPathTextView"
        android:text="Browse" />
    <Button
        android:id="@+id/ImportButton"
        android:layout_width="150dp"
        android:layout_height="wrap_content"
        android:layout_below="@+id/KeyPathTextView"
        android:layout_toRightOf="@+id/BrowseButton"
        android:text="Import" />
</RelativeLayout>