/1、首先你得到微信.开放平台申请开发权限：https://open.weixin.qq.com/
申请通过效果如下即可
2、其次，阅读开发文档：
3、接下来就是Android开发代码。分三步获取微信信息，用以登录
3/1常量类
public class Constants {
// appid
public static final String APP_ID = "wx1201a018fdcec6";
public static final String SECRET = "fc866ba851439dead6a09a480de179";
// 商户号
public static final String MCH_ID = "15171351";
/**
* 微信开放平台和商户约定的支付密钥
*
* 注意：不能hardcode在客户端，建议genSign这个过程由服务器端完成
*/
public static final String APP_KEY = "01b2e2bd220db0c3765609ebc9b59f";
}
3/2起调微信登录
//微信登录
private void wxlogin(){
String strState = getPackageName() + String.valueOf(System.currentTimeMillis());
String SCOPE = "snsapi_userinfo";
IWXAPI api;
api = WXAPIFactory.createWXAPI(LiteActivity.this, Constants.APP_ID, false);
api.registerApp(Constants.APP_ID);
if (!api.isWXAppInstalled()) {
Toast.makeText(LiteActivity.this,"请先安装微信客户端！",Toast.LENGTH_LONG).show();
return;
}
final SendAuth.Req req = new SendAuth.Req();
req.scope = SCOPE;
req.state = strState;
api.sendReq(req);
}3/3获取微信回调结果，微信开发必要activity
/**
* 微信分享回调
*/
public class WXEntryActivity extends Activity implements IWXAPIEventHandler {
private IWXAPI wxAPI;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
wxAPI = WXAPIFactory.createWXAPI(this, Constants.APP_ID,true);
wxAPI.registerApp(Constants.APP_ID);
wxAPI.handleIntent(getIntent(), this);
}
@Override
protected void onNewIntent(Intent intent){
super.onNewIntent(intent);
wxAPI.handleIntent(getIntent(),this);
Log.i("ansen","WXEntryActivity onNewIntent");
}
@Override
public void onReq(BaseReq arg0) {
Log.i("ansen","WXEntryActivity onReq:"+arg0);
}
@Override
public void onResp(BaseResp resp){
if(resp.getType()== ConstantsAPI.COMMAND_SENDMESSAGE_TO_WX){//分享
Log.i("ansen","微信分享操作.....");
}else if(resp.getType()==ConstantsAPI.COMMAND_SENDAUTH){//登陆
SendAuth.Resp authResp = (SendAuth.Resp) resp;
String code = authResp.code;
TestObServernotice.getInstance().notifyObserver(111, 2, code);
Log.i("ansen", "微信登录操作.....");
}
finish();
}
}3/4 resp结果如下。
请求微信接口
public static final String wxlogurl = "https://api.weixin.qq.com/sns/userinfo";
public static final String wxlogurl2 = "https://api.weixin.qq.com/sns/oauth2/access_token";3/5通过观察者模式，回到activity中，根据code获取token
请求如下：，这里是asyncHttp框架。你可以使用其他请求网络类
private void getUserInfo(final String access_token, final String openid) {
String url = Url.wxlogurl2;
RequestParams params = new RequestParams();
params.put("appid", openid);
params.put("secret", Constants.SECRET);
params.put("code", access_token);
params.put("grant_type", "authorization_code");
more_loadDialog.setloadtext("登录中...");
more_loadDialog.show();
AsyncHttpClient client = new AsyncHttpClient();
client.post(url, params, new TextHttpResponseHandler() {
@Override
public void onFailure(int i, Header[] headers, String s, Throwable throwable) {
more_loadDialog.dismiss();
Toast.makeText(LiteActivity.this, "网络连接异常", Toast.LENGTH_SHORT).show();
}
@Override
public void onSuccess(int i, Header[] headers, String s) {
try {
more_loadDialog.dismiss();
JSONObject object = new JSONObject(s);
String at = object.getString("access_token");
getUserInfoend(at,Constants.APP_ID);
Log.i("lgq", "re==logtest=====" + s);
} catch (JSONException e) {
e.printStackTrace();
}
}
});
}结果如下
3/6根据token获取微信账号详情
请求如下
private void getUserInfoend(final String access_token, final String openid) {
String url = Url.wxlogurl;
RequestParams params = new RequestParams();
params.put("openid", openid);
params.put("access_token", access_token);
more_loadDialog.setloadtext("登录中...");
more_loadDialog.show();
AsyncHttpClient client = new AsyncHttpClient();
client.post(url, params, new TextHttpResponseHandler() {
@Override
public void onFailure(int i, Header[] headers, String s, Throwable throwable) {
more_loadDialog.dismiss();
Toast.makeText(LiteActivity.this, "网络连接异常", Toast.LENGTH_SHORT).show();
}
@Override
public void onSuccess(int i, Header[] headers, String s) {
try {
more_loadDialog.dismiss();
JSONObject object = new JSONObject(s);
Log.i("lgq", "re==logtest=====" + s);
} catch (JSONException e) {
e.printStackTrace();
}
}
});
}结果如下：
4、所有微信信息已经请求得到了。接下来就是。需要什么参数登录，就使用什么参数登录了 ！！！！！！
观察者模式类TestObServernotice：https://blog.csdn.net/meixi_android/article/details/81016359
在线回复解决bug:qq1085220040