Unity3D——百度地图SDK接入(经验)

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一、从Unity中导出安卓工程

导出工程时注意的问题:

(1)PlayerSetting中的bundle identifier要设置一下


(2)工程签名的制作

进入DOS界面,进去D:\ProgramFiles\Java\jdk1.6.0_10\bin>目录下,输入keytool -genkey -alias android.keystore -keyalg RSA -validity 100000 -keystore android.keystore参数意义:-validity主要是证书的有效期,写100000天;空格,退格键都算密码。命令执行后会在 D:\ProgramFiles\Java\jdk1.6.0_10\bin 目录下生成android.keystore文件。

(3)导出



二、将导出的项目利用eclipse接入百度地图SDK并生成jar包

我的eclipse工程目录:


资源的导入是参照百度地图SDK接入指南的:http://lbsyun.baidu.com/index.php?title=androidsdk/guide/introduction

其中res/layout下的布局xml文件来自下载的BaiduLBS_AndroidSDK_Sample,具体路径是BaiduLBS_AndroidSDK_Sample\BaiduMap_AndroidSDK_v4.1.1_Sample\BaiduMapsApiDemo\res\layout

bin目录下生成了jar文件是原理:鼠标工程名字上右键Properties属性,勾选Is Library,之后在每次Project/Build All就可以实现更新;如下图所示:


下面是各个文件里面的代码


主入口文件MainActivity.java

package com.zhf;import android.content.Intent;import android.os.Bundle;import com.unity3d.player.UnityPlayerActivity;public class MainActivity extends UnityPlayerActivity {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);}public String getStringInJava() {return "i am a string from java";}public void OpenNewScene() {Intent intent = new Intent(MainActivity.this, EmptyScene.class);this.startActivity(intent);}public void OpenBaiduMap() {Intent intent = new Intent(MainActivity.this, MyBaiduMapActivity.class);this.startActivity(intent);}}


EmptyScene.java

package com.zhf;import android.app.Activity;import android.os.Bundle;public class EmptyScene extends Activity {protected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);}}

MyBaiduMapActivity.java

package com.zhf;import com.baidu.mapapi.SDKInitializer;import com.baidu.mapapi.map.MapView;import android.app.Activity;import android.os.Bundle;public class MyBaiduMapActivity extends Activity {MapView mMapView = null;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);SDKInitializer.initialize(getApplicationContext());setContentView(R.layout.activity_main);                mMapView = (MapView) findViewById(R.id.bmapView);}    @Override    protected void onDestroy() {        super.onDestroy();          //在activity执行onDestroy时执行mMapView.onDestroy(),实现地图生命周期管理          mMapView.onDestroy();    }    @Override    protected void onResume() {        super.onResume();        //在activity执行onResume时执行mMapView. onResume (),实现地图生命周期管理         mMapView.onResume();    }    @Override      protected void onPause() {          super.onPause();        //在activity执行onPause时执行mMapView. onPause (),实现地图生命周期管理          mMapView.onPause();      }}


布局文件Activity_main.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="vertical" >    <com.baidu.mapapi.map.MapView        android:id="@+id/bmapView"        android:layout_width="fill_parent"        android:layout_height="fill_parent"        android:clickable="true" /></LinearLayout>


主配置文件AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.zhf" android:versionName="1.0" android:versionCode="1" android:installLocation="preferExternal">  <supports-screens android:smallScreens="true" android:normalScreens="true" android:largeScreens="true" android:xlargeScreens="true" android:anyDensity="true" />  <application android:theme="@android:style/Theme.NoTitleBar.Fullscreen" android:icon="@drawable/app_icon" android:label="@string/app_name">        <meta-data android:name="com.baidu.lbsapi.API_KEY" android:value="F7lsGhPU9a6XWiMIi6EbSTbsORx6zKr8" />          <activity android:label="@string/app_name" android:screenOrientation="fullSensor" android:launchMode="singleTask" android:configChanges="mcc|mnc|locale|touchscreen|keyboard|keyboardHidden|navigation|orientation|screenLayout|uiMode|screenSize|smallestScreenSize|fontScale" android:name="com.zhf.MainActivity">      <intent-filter>        <action android:name="android.intent.action.MAIN" />        <category android:name="android.intent.category.LAUNCHER" />        <category android:name="android.intent.category.LEANBACK_LAUNCHER" />      </intent-filter>      <meta-data android:name="unityplayer.UnityActivity" android:value="true" />    </activity>        <activity android:name="com.zhf.EmptyScene" android:theme="@android:style/Theme.NoTitleBar.Fullscreen">    </activity>        <activity android:name="com.zhf.MyBaiduMapActivity" android:theme="@android:style/Theme.NoTitleBar.Fullscreen">    </activity>    </application><uses-sdk android:minSdkVersion="16" android:targetSdkVersion="23" /><uses-feature android:glEsVersion="0x00020000" /><uses-permission android:name="android.permission.INTERNET" /><uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /><uses-feature android:name="android.hardware.touchscreen" android:required="false" /><uses-feature android:name="android.hardware.touchscreen.multitouch" android:required="false" /><uses-feature android:name="android.hardware.touchscreen.multitouch.distinct" android:required="false" />  <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/><uses-permission android:name="com.android.launcher.permission.READ_SETTINGS" /><uses-permission android:name="android.permission.WAKE_LOCK"/><uses-permission android:name="android.permission.CHANGE_WIFI_STATE" /><uses-permission android:name="android.permission.ACCESS_WIFI_STATE" /><uses-permission android:name="android.permission.GET_TASKS" /><uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/><uses-permission android:name="android.permission.WRITE_SETTINGS" />  </manifest>

Build All 完毕

三、将导出的jar包应用到Unity中,实现SDK接入

需要导入到Unity中的文件(划了黑线的不要,以及armeabi-v7a中libmain.so、libmono.so和libunity.so文件不要):


在Unity中的视图结构:


必须在Plugins下面的Android目录下,注意assets是来自这里:


上面assets目录没有放到Unity工程中,程序运行了就崩溃,耗了一天时间找bug


四、编写C#脚本,实现交互

完成上面的之后新建一个场景,加入一个UGUI的Text控件,新建一个脚本Test

Test.cs代码:

using UnityEngine;using UnityEngine.UI;using System.Collections;public class Test : MonoBehaviour {    public Text text;void Update () {        if (Input.GetKeyDown(KeyCode.Escape) || Input.GetKeyDown(KeyCode.Home)) {            Application.Quit();        }}    void OnGUI() {        if (GUILayout.Button("Open Map", GUILayout.Height(100)))        {            AndroidJavaClass jc = new AndroidJavaClass("com.unity3d.player.UnityPlayer");            AndroidJavaObject jo = jc.GetStatic<AndroidJavaObject>("currentActivity");            jo.Call("OpenBaiduMap");        }        if (GUILayout.Button("Open New Scene", GUILayout.Height(100)))        {            AndroidJavaClass jc = new AndroidJavaClass("com.unity3d.player.UnityPlayer");            AndroidJavaObject jo = jc.GetStatic<AndroidJavaObject>("currentActivity");            jo.Call("OpenNewScene");        }        if (GUILayout.Button("改变Label___New", GUILayout.Height(100)))        {            AndroidJavaClass jc = new AndroidJavaClass("com.unity3d.player.UnityPlayer");            AndroidJavaObject jo = jc.GetStatic<AndroidJavaObject>("currentActivity");            text.text = jo.Call<string>("getStringInJava");        }    }}

脚本挂载在相机上,Text控件拖上去,然后开始打包

打包时注意:Player Setting中的 bundle identifier要填上对应的包名



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