add new model

runtime/android/app/src/main/res/layout/activity_main.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"
+    xmlns:VoiceRect="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+    <TextView
+      android:id="@+id/textView"
+      android:layout_width="0dp"
+      android:layout_height="wrap_content"
+      android:background="#F4F4F4"
+      android:maxLines="15"
+      android:minLines="15"
+      android:text="TextView"
+      android:textSize="30sp"
+      app:layout_constraintBottom_toBottomOf="parent"
+      app:layout_constraintEnd_toEndOf="parent"
+      app:layout_constraintHorizontal_bias="0.0"
+      app:layout_constraintStart_toStartOf="parent"
+      app:layout_constraintTop_toTopOf="parent"
+      app:layout_constraintVertical_bias="0.08" />
+
+    <com.mobvoi.wenet.VoiceRectView
+      android:id="@+id/voiceRectView"
+      android:layout_width="0dp"
+      android:layout_height="150dp"
+      VoiceRect:RectCount="50"
+      VoiceRect:RectDownColor="@color/green"
+      VoiceRect:RectOffset="0"
+      VoiceRect:RectSpeed="300"
+      VoiceRect:RectTopColor="@color/green"
+      app:layout_constraintBottom_toTopOf="@+id/button"
+      app:layout_constraintEnd_toEndOf="parent"
+      app:layout_constraintStart_toStartOf="parent"
+      app:layout_constraintTop_toBottomOf="@+id/textView" />
+
+    <Button
+      android:id="@+id/button"
+      android:layout_width="0dp"
+      android:layout_height="wrap_content"
+      android:text="Button"
+      app:layout_constraintBottom_toBottomOf="parent"
+      app:layout_constraintEnd_toEndOf="parent"
+      app:layout_constraintHorizontal_bias="1.0"
+      app:layout_constraintStart_toStartOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

runtime/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
\ No newline at end of file

runtime/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
\ No newline at end of file

runtime/android/app/src/main/res/values-night/themes.xml

+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.Wenet" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_200</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/black</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_200</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>
\ No newline at end of file

runtime/android/app/src/main/res/values/attrs.xml

+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <declare-styleable name="VoiceRect">
+        <attr name="RectCount" format="integer" />
+        <attr name="RectDownColor" format="reference|color" />
+        <attr name="RectSpeed" format="integer" />
+        <attr name="RectTopColor" format="reference|color" />
+        <attr name="RectOffset" format="integer" />
+    </declare-styleable>
+    <declare-styleable name="VoiceLine">
+        <attr name="amplitude_big" format="dimension|reference" />
+        <attr name="amplitude_small" format="dimension|reference" />
+        <attr name="lineColor" format="color|reference" />
+        <attr name="backColor" format="color|reference" />
+        <attr name="frequency" format="float" />
+    </declare-styleable>
+</resources>
\ No newline at end of file

runtime/android/app/src/main/res/values/colors.xml

+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+
+    <color name="red">#f16d7a</color>
+    <color name="green">#b7d28d</color>
+    <color name="blue">#b8f1ed</color>
+    <color name="top_color">#b7d28d</color>
+    <color name="down_color">#b8f1ed</color>
+</resources>
\ No newline at end of file

runtime/android/app/src/main/res/values/strings.xml

+<resources>
+    <string name="app_name">wenet</string>
+</resources>
\ No newline at end of file

runtime/android/app/src/main/res/values/themes.xml

+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.Wenet" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_500</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_700</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>
\ No newline at end of file

runtime/android/app/src/test/java/com/mobvoi/wenet/ExampleUnitTest.java

+package com.mobvoi.wenet;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}
\ No newline at end of file