手把手教你简单接入微信SDK

 1 package com.healthtree.test;
 2 
 3 import android.app.Activity;
 4 import android.os.Bundle;
 5 import android.view.View;
 6 import android.view.View.OnClickListener;
 7 import android.widget.Button;
 8 
 9 import com.healthtree_testwx.R;
10 import com.tencent.mm.sdk.modelmsg.SendMessageToWX;
11 import com.tencent.mm.sdk.modelmsg.WXMediaMessage;
12 import com.tencent.mm.sdk.modelmsg.WXTextObject;
13 import com.tencent.mm.sdk.openapi.IWXAPI;
14 import com.tencent.mm.sdk.openapi.WXAPIFactory;
15 
16 public class MainActivity extends Activity implements OnClickListener{
17     
18     private Button btn_share;
19     private IWXAPI api;
20     
21     private String text="abcd";
22     
23     private static final String APP_ID = "wxe82701fa4942a307";
24     
25     @Override
26     protected void onCreate(Bundle savedInstanceState) {
27         // TODO Auto-generated method stub
28         super.onCreate(savedInstanceState);
29         
30         setContentView(R.layout.activity_main);
31         
32         btn_share=(Button) findViewById(R.id.btn_share);
33         btn_share.setOnClickListener(this);
34         
35         api = WXAPIFactory.createWXAPI(this, APP_ID, true);
36         api.registerApp(APP_ID);
37     }
38 
39     @Override
40     public void onClick(View v) {
41         switch (v.getId()) {
42         case R.id.btn_share:
43 
44             // 初始化一个WXTextObject对象
45             WXTextObject textObj = new WXTextObject();
46             textObj.text = text;
47 
48             // 用WXTextObject对象初始化一个WXMediaMessage对象
49             WXMediaMessage msg = new WXMediaMessage();
50             msg.mediaObject = textObj;
51             // 发送文本类型的消息时，title字段不起作用
52             // msg.title = "Will be ignored";
53             msg.description = text;
54 
55             // 构造一个Req
56             SendMessageToWX.Req req = new SendMessageToWX.Req();
57             req.transaction = buildTransaction("text"); // transaction字段用于唯一标识一个请求
58             req.message = msg;
59             req.scene = SendMessageToWX.Req.WXSceneTimeline;
60             
61             // 调用api接口发送数据到微信
62             api.sendReq(req);
63             //finish();
64             
65             break;
66 
67         default:
68             break;
69         }
70         
71     }
72     
73     private String buildTransaction(final String type) {
74         return (type == null) ? String.valueOf(System.currentTimeMillis()) : type + System.currentTimeMillis();
75     }
76 }