diff --git a/app/build.gradle b/app/build.gradle
index 5e76d7f..7c6d1f2 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -43,5 +43,5 @@ android {
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     testCompile 'junit:junit:4.12'
-    compile 'com.github.axet:android-audio-library:0.0.51' // compile project(':android-audio-library')
+    compile 'com.github.axet:android-audio-library:0.0.52' // compile project(':android-audio-library')
 }
diff --git a/app/src/main/res/values-pt-rBR/strings.xml b/app/src/main/res/values-pt-rBR/strings.xml
new file mode 100644
index 0000000..b89327d
--- /dev/null
+++ b/app/src/main/res/values-pt-rBR/strings.xml
@@ -0,0 +1,71 @@
+<resources>
+    <string name="app_name">Gravador de Áudio</string>
+
+    <string-array name="sample_rate_text">
+        <item>48 kHz</item>
+        <item>44.1 kHz (CD)</item>
+        <item>32 kHz</item>
+        <item>22 kHz</item>
+        <item>16 kHz (padrão)</item>
+        <item>11 kHz</item>
+        <item>8 kHz (ligação de tel.)</item>
+    </string-array>
+
+    <string-array name="sample_rate_values" translatable="false">
+        <item>48000</item>
+        <item>44100</item>
+        <item>32000</item>
+        <item>22050</item>
+        <item>16000</item>
+        <item>11025</item>
+        <item>8000</item>
+    </string-array>
+
+    <string-array name="themes_text">
+        <item>Claro (padrão)</item>
+        <item>Escuro</item>
+    </string-array>
+
+    <string-array name="themes_values" translatable="false">
+        <item>Theme_White</item>
+        <item>Theme_Dark</item>
+    </string-array>
+
+    <string-array name="channels_text">
+        <item>Mono (padrão)</item>
+        <item>Estéreo</item>
+    </string-array>
+
+    <string-array name="channels_values" translatable="false">
+        <item>1</item>
+        <item>2</item>
+    </string-array>
+
+    <string-array name="format_text" translatable="false">
+        <item>2017-02-01 09.08.01.wav</item>
+        <item>1487926249.wav</item>
+        <item>20170528T043902.wav</item>
+    </string-array>
+
+    <string-array name="format_values" formatted="false" translatable="false">
+        <item>%s</item>
+        <item>%T</item>
+        <item>%I</item>
+    </string-array>
+
+    <string name="action_settings">Configurações</string>
+    <string name="not_permitted">Não permitido</string>
+    <string name="no_folder_app">Não foi encontrado um aplicativo para explorar arquivos</string>
+    <string name="hold_by_call">pausado (chamada atendida)</string>
+    <string name="encoding">codificando</string>
+    <string name="pause">pausado</string>
+    <string name="edit">editando</string>
+    <string name="confirm_cancel">Confirme o cancelamento</string>
+    <string name="are_you_sure_cancel">Tem certeza que deseja cancelar?</string>
+    <string name="recording">gravando</string>
+    <string name="encoding_title">Codificando...</string>
+    <string name="recording_title">Gravando</string>
+    <string name="open_recording_folder">Abrir pasta das gravações</string>
+    <string name="recording_list_is_empty">A lista de gravações está vazia\n\nToque no ícone de microfone para começar a gravar</string>
+</resources>
+
diff --git a/app/src/main/res/xml-pt-rBR/pref_general.xml b/app/src/main/res/xml-pt-rBR/pref_general.xml
new file mode 100644
index 0000000..eac5d1c
--- /dev/null
+++ b/app/src/main/res/xml-pt-rBR/pref_general.xml
@@ -0,0 +1,72 @@
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <com.github.axet.androidlibrary.widgets.StoragePathPreferenceCompat
+        android:defaultValue="Audio Recorder"
+        android:key="storage_path"
+        android:summary="/sdcard/alguma/pasta/"
+        android:title="Destino das gravações" />
+
+    <ListPreference
+        android:defaultValue="16000"
+        android:entries="@array/sample_rate_text"
+        android:entryValues="@array/sample_rate_values"
+        android:key="sample_rate"
+        android:negativeButtonText="@null"
+        android:positiveButtonText="@null"
+        android:summary="44100"
+        android:title="Taxa de amostragem" />
+
+    <ListPreference
+        android:defaultValue="ogg"
+        android:entries="@array/encodings_text"
+        android:entryValues="@array/encodings_values"
+        android:key="encoding"
+        android:negativeButtonText="@null"
+        android:positiveButtonText="@null"
+        android:summary="Formato de saída do arquivo (.wav, .mp3, etc.)"
+        android:title="Codificação" />
+
+    <ListPreference
+        android:defaultValue="1"
+        android:entries="@array/channels_text"
+        android:entryValues="@array/channels_values"
+        android:key="channels"
+        android:negativeButtonText="@null"
+        android:positiveButtonText="@null"
+        android:summary="Canais a gravar"
+        android:title="Modo" />
+
+    <ListPreference
+        android:defaultValue="%s"
+        android:entries="@array/format_text"
+        android:entryValues="@array/format_values"
+        android:key="format"
+        android:negativeButtonText="@null"
+        android:positiveButtonText="@null"
+        android:summary="2015-12-31 22:11:34"
+        android:title="Formato do nome de arquivo" />
+
+    <SwitchPreferenceCompat
+        android:defaultValue="true"
+        android:key="call"
+        android:summary="e voltar a gravar quando a chamada for desligada"
+        android:title="Pausar durante chamadas" />
+
+    <SwitchPreferenceCompat
+        android:defaultValue="true"
+        android:key="silence"
+        android:summary="Silenciar o aparelho durante a gravação"
+        android:title="Modo silencioso" />
+
+    <ListPreference
+        android:defaultValue="Theme_White"
+        android:entries="@array/themes_text"
+        android:entryValues="@array/themes_values"
+        android:key="theme"
+        android:negativeButtonText="@null"
+        android:positiveButtonText="@null"
+        android:summary="Definir o tema (claro ou escuro)"
+        android:title="Tema do app" />
+
+</PreferenceScreen>
+