LoopbackApp/app/src/main/res/layout/settings_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2015 The Android Open Source Project

     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at

          http://www.apache.org/licenses/LICENSE-2.0

     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
-->

<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/settingsMainLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:background="#FFFFFF">

    <ScrollView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content">
        <LinearLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            android:paddingBottom="150dp">

            <TextView
                android:id="@+id/textSettingsInfo"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/labelSettings"
                android:elegantTextHeight="false" />

            <View
                android:layout_width="fill_parent"
                android:layout_height="1dp"
                android:background="@android:color/darker_gray"/>

            <TextView
                android:id="@+id/textMicSource"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/labelMicSource"/>
            <Spinner
                android:id="@+id/spinnerMicSource"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"/>

            <View
                android:layout_width="fill_parent"
                android:layout_height="1dp"
                android:background="@android:color/darker_gray"/>

            <TextView
                android:id="@+id/textAudioThreadType"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/labelAudioThreadType"/>
            <Spinner
                android:id="@+id/spinnerAudioThreadType"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"/>

            <View
                android:layout_width="fill_parent"
                android:layout_height="1dp"
                android:background="@android:color/darker_gray"/>

            <TextView
                android:id="@+id/textChannelIndex"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/labelChannelIndex"/>
            <Spinner
                android:id="@+id/spinnerChannelIndex"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"/>

            <View
                android:layout_width="fill_parent"
                android:layout_height="1dp"
                android:background="@android:color/darker_gray"/>

            <Button
                xmlns:android="http://schemas.android.com/apk/res/android"
                android:id="@+id/buttonDefaultSettings"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/buttonDefaultSettings"
                android:onClick="onButtonClick"/>

            <TextView
                android:id="@+id/textSamplingRate"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/labelSamplingRate"/>

            <Spinner
                android:id="@+id/spinnerSamplingRate"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"/>

            <View
                android:layout_width="fill_parent"
                android:layout_height="1dp"
                android:background="@android:color/darker_gray"/>

            <org.drrickorang.loopback.SettingsPicker
                android:id="@+id/playerBufferSetting"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"/>

            <View
                android:layout_width="fill_parent"
                android:layout_height="1dp"
                android:background="@android:color/darker_gray"/>


            <org.drrickorang.loopback.SettingsPicker
                android:id="@+id/recorderBufferSetting"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"/>

            <View
                android:layout_width="fill_parent"
                android:layout_height="1dp"
                android:background="@android:color/darker_gray"/>


            <org.drrickorang.loopback.SettingsPicker
                android:id="@+id/bufferTestDurationSetting"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"/>

            <View
                android:layout_width="fill_parent"
                android:layout_height="1dp"
                android:background="@android:color/darker_gray"/>


            <org.drrickorang.loopback.SettingsPicker
                android:id="@+id/wavePlotDurationSetting"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"/>

            <View
                android:layout_width="fill_parent"
                android:layout_height="1dp"
                android:background="@android:color/darker_gray" />


            <org.drrickorang.loopback.SettingsPicker
                android:id="@+id/numLoadThreadsSetting"
                android:layout_width="match_parent"
                android:layout_height="wrap_content" />

            <View
                android:layout_width="fill_parent"
                android:layout_height="1dp"
                android:background="@android:color/darker_gray"/>

            <LinearLayout
                android:orientation="horizontal"
                android:layout_width="match_parent"
                android:layout_height="80dp"
                android:padding="15dp">

                <RelativeLayout
                    android:layout_width="0dip"
                    android:layout_height="match_parent"
                    android:layout_weight="3">
                    <ToggleButton
                        android:id="@+id/SystraceEnabledToggle"
                        android:layout_width="match_parent"
                        android:layout_height="match_parent"
                        android:layout_marginRight="15dp"
                        android:background="@drawable/togglebutton_state_drawable"
                        android:textOn="Enabled"
                        android:textOff="Disabled"/>
                </RelativeLayout>
                <RelativeLayout
                    android:layout_width="0dip"
                    android:layout_height="match_parent"
                    android:layout_weight="6">
                    <TextView
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:text="@string/enableSystrace"/>
                </RelativeLayout>
                <RelativeLayout
                    android:layout_width="0dip"
                    android:layout_height="match_parent"
                    android:layout_weight="1">
                    <ImageView
                        android:layout_width="match_parent"
                        android:layout_height="match_parent"
                        android:onClick="onButtonSysTraceHelp"
                        android:src="@drawable/ic_help_outline"/>
                </RelativeLayout>
            </LinearLayout>

            <View
                android:layout_width="fill_parent"
                android:layout_height="1dp"
                android:background="@android:color/darker_gray"/>

            <LinearLayout
                android:orientation="horizontal"
                android:layout_width="match_parent"
                android:layout_height="80dp"
                android:padding="15dp">

                <RelativeLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="3">
                    <ToggleButton
                        android:id="@+id/wavSnippetsEnabledToggle"
                        android:layout_width="match_parent"
                        android:layout_height="match_parent"
                        android:layout_marginRight="15dp"
                        android:background="@drawable/togglebutton_state_drawable"
                        android:textOn="Enabled"
                        android:textOff="Disabled"/>
                </RelativeLayout>
                <RelativeLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="6">
                    <TextView
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:text="@string/enableWavSnippets"/>
                </RelativeLayout>
                <RelativeLayout
                    android:layout_width="0dip"
                    android:layout_height="match_parent"
                    android:layout_weight="1">
                <!-- This empty layout is to match spacing of SystraceEnabled layout -->
                </RelativeLayout>
            </LinearLayout>

            <View
                android:layout_width="fill_parent"
                android:layout_height="1dp"
                android:background="@android:color/darker_gray"/>

            <org.drrickorang.loopback.SettingsPicker
                android:id="@+id/numCapturesSettingPicker"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"/>

        </LinearLayout>
    </ScrollView>
</LinearLayout>