Orgnize project structure

Author: DONGChuan

.idea/codeStyles/Project.xml

@@ -3,7 +3,7 @@ apply plugin: 'com.android.application'
 android {
     compileSdkVersion 28
     defaultConfig {
-        applicationId "com.nasduck.duckupdate"
+        applicationId "com.nasduck.duckupdatedemo"
         minSdkVersion 14
         targetSdkVersion 28
         versionCode 1

.idea/codeStyles/codeStyleConfig.xml

@@ -0,0 +1,26 @@
+package com.nasduck.duckupdatedemo;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.nasduck.duckupdatedemo", appContext.getPackageName());
+    }
+}

.idea/modules.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.nasduck.duckupdate">
+    package="com.nasduck.duckupdatedemo">
 
     <application
         android:allowBackup="true"

.idea/runConfigurations.xml

@@ -1,4 +1,4 @@
-package com.nasduck.duckupdate;
+package com.nasduck.duckupdatedemo;
 
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;

.idea/vcs.xml

@@ -1,3 +1,3 @@
 <resources>
-    <string name="app_name">DuckUpdate</string>
+    <string name="app_name">DuckUpdateDemo</string>
 </resources>