add android demo

Author: taowen

.gitignore

@@ -3,3 +3,6 @@
 /release.properties
 /demo/target
 /.idea
+/build
+/.gradle
+/local.properties

android-demo/.gitignore

@@ -0,0 +1 @@
+/build

android-demo/build.gradle

@@ -0,0 +1,48 @@
+apply plugin: 'com.android.application'
+
+android {
+ compileSdkVersion 27
+ buildToolsVersion "27.0.2"
+
+ defaultConfig {
+ applicationId "com.example.myapplication"
+ minSdkVersion 15
+ targetSdkVersion 27
+ versionCode 1
+ versionName "1.0"
+
+ testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+
+ }
+ buildTypes {
+ release {
+ minifyEnabled false
+ proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+ }
+ }
+}
+
+dependencies {
+ compile fileTree(dir: 'libs', include: ['*.jar'])
+ androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
+ exclude group: 'com.android.support', module: 'support-annotations'
+ })
+ compile 'com.android.support:appcompat-v7:27.+'
+ compile 'com.android.support.constraint:constraint-layout:+'
+ testCompile 'junit:junit:4.12'
+}
+
+buildscript {
+ repositories {
+ maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}
+ }
+ dependencies {
+ classpath 'com.android.tools.build:gradle:2.3.0' //last version Jan 2016
+ }
+}
+
+allprojects {
+ repositories {
+ maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}
+ }
+}

android-demo/proguard-rules.pro

@@ -0,0 +1,25 @@
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /home/xiaoju/Android/Sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+# http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+# public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

android-demo/src/androidTest/java/com/example/myapplication/ExampleInstrumentedTest.java

@@ -0,0 +1,26 @@
+package com.example.myapplication;
+
+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.*;
+
+/**
+ * Instrumentation 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() throws Exception {
+ // Context of the app under test.
+ Context appContext = InstrumentationRegistry.getTargetContext();
+
+ assertEquals("com.example.myapplication", appContext.getPackageName());
+ }
+}

android-demo/src/main/AndroidManifest.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+ package="com.example.myapplication">
+
+ <application
+ android:allowBackup="true"
+ android:icon="@mipmap/ic_launcher"
+ android:label="@string/app_name"
+ android:roundIcon="@mipmap/ic_launcher_round"
+ android:supportsRtl="true"
+ android:theme="@style/AppTheme">
+ <activity android:name=".MainActivity">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN"/>
+
+ <category android:name="android.intent.category.LAUNCHER"/>
+ </intent-filter>
+ </activity>
+ </application>
+
+</manifest>

android-demo/src/main/java/com/example/myapplication/MainActivity.java

@@ -0,0 +1,13 @@
+package com.example.myapplication;
+
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+
+public class MainActivity extends AppCompatActivity {
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.activity_main);
+ }
+}

android-demo/src/main/res/layout/activity_main.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout
+ xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:tools="http://schemas.android.com/tools"
+ xmlns:app="http://schemas.android.com/apk/res-auto"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"
+ tools:context="com.example.myapplication.MainActivity">
+
+ <TextView
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:text="Hello World!"
+ app:layout_constraintBottom_toBottomOf="parent"
+ app:layout_constraintLeft_toLeftOf="parent"
+ app:layout_constraintRight_toRightOf="parent"
+ app:layout_constraintTop_toTopOf="parent"/>
+
+</android.support.constraint.ConstraintLayout>