Add an android build tutorial.

README.md

@@ -33,7 +33,7 @@ Only need to adjust `Bundle Identifier` to your app id. Then you can run it dire
 
 ## Android Compile
 
-Install [Android Studio](https://developer.android.com/studio)
+[Click here to view](android_compile.md)
 
 ## Other
 

README_zh.md

@@ -29,7 +29,7 @@ Bitshares Mobile App 是 [Bitshares区块链](https://github.com/bitshares/bitsh
 只需要调整 `Bundle Identifier` 为您的应用ID。然后直接在xcode中运行即可。
 
 ## Android编译
-安装 [Android Studio](https://developer.android.com/studio/)
+[点击这里查看](android_compile.md)
 
 ## 其他
 配置Fabric

android_compile.md

@@ -0,0 +1,109 @@
+# Android Test & Build & Sign
+
+## Development Environment
+
+* Microsoft Windows10 1809
+* Mac OS X 10.8.5
+* Java JDK >= 10
+* Android Studio 3.1.3 - 3.2
+
+## Download And Install Java
+```
+https://www.oracle.com/technetwork/java/javase/downloads/index.html
+```
+
+## Install Android Studio
+```
+https://developer.android.com/studio
+```
+
+## Run Android Stduio And Set Android Sdk (Android API 28)
+<p>
+  <a href="#">
+    <img src="https://raw.githubusercontent.com/yoshikizh/test/master/android-c1.png" alt="" width=600 height=400>
+  </a>
+  <a href="#">
+    <img src="https://raw.githubusercontent.com/yoshikizh/test/master/android-setting-android-sdk.png" alt="" width=600 height=400>
+  </a>
+</p>
+
+## Clone Project 
+```
+git clone https://github.com/bitshares/bitshares-mobile-app.git
+```
+
+## Open Project
+```
+Open the project directory bitshare-mobile-app/android
+```
+<p>
+  <a href="#">
+    <img src="https://raw.githubusercontent.com/yoshikizh/test/master/android-c2.png" alt="" width=600 height=400>
+  </a>
+</p>
+
+## Synchronize Gradle files and install dependencies. Click `File -> Sync Project With Gradle Files`
+<p>
+  <a href="#">
+    <img src="https://raw.githubusercontent.com/yoshikizh/test/master/android-gradle.png" alt="" width=600 height=400>
+  </a>
+</p>
+
+
+## A. Click `Run -> Run 'app'` to Test
+<p>
+  <a href="#">
+    <img src="https://raw.githubusercontent.com/yoshikizh/test/master/android-b1.png" alt="" width=600 height=400>
+  </a>
+</p>
+
+
+## B. Generate Test Apk Click `Build -> Build APK(s)`
+<p>
+  <a href="#">
+    <img src="https://raw.githubusercontent.com/yoshikizh/test/master/android-b2.png" alt="" width=600 height=400>
+  </a>
+</p>
+
+
+## C. Generate Signed Apk Click `Build -> Generate Signed APK`
+<p>
+  <a href="#">
+    <img src="https://raw.githubusercontent.com/yoshikizh/test/master/android-b3.png" alt="" width=600 height=400>
+  </a>
+</p>
+
+### Click `next`
+<p>
+  <a href="#">
+    <img src="https://raw.githubusercontent.com/yoshikizh/test/master/android-b4.png" alt="" width=600 height=400>
+  </a>
+</p>
+
+### Click `create new` if there is no keystore
+<p>
+  <a href="#">
+    <img src="https://raw.githubusercontent.com/yoshikizh/test/master/android-b5.png" alt="" width=600 height=400>
+  </a>
+</p>
+
+### Fill in the keystore information and click ok
+<p>
+  <a href="#">
+    <img src="https://raw.githubusercontent.com/yoshikizh/test/master/android-b6.png" alt="" width=600 height=400>
+  </a>
+</p>
+
+### Input keystore password and next Step
+<p>
+  <a href="#">
+    <img src="https://raw.githubusercontent.com/yoshikizh/test/master/android-b7.png" alt="" width=600 height=400>
+  </a>
+</p>
+
+### Finish
+<p>
+  <a href="#">
+    <img src="https://raw.githubusercontent.com/yoshikizh/test/master/android-b8.png" alt="" width=600 height=400>
+  </a>
+</p>