android studio接入支付宝

支付宝后台申请appid 秘钥…等数据
1.将支付宝的libs下的jar拷贝到自己项目中

添加为依赖库
2.在Androidmanifest.xml中添加

3.在需要调用的地方调用支付宝接口

创建一个PayResult类：
public class PayResult {
private String resultStatus;
private String result;
private String memo;

public PayResult(Map rawResult) {if (rawResult == null) {return;}for (String key : rawResult.keySet()) {if (TextUtils.equals(key, "resultStatus")) {resultStatus = rawResult.get(key);} else if (TextUtils.equals(key, "result")) {result = rawResult.get(key);} else if (TextUtils.equals(key, "memo")) {memo = rawResult.get(key);}}}@Overridepublic String toString() {return "resultStatus={" + resultStatus + "};memo={" + memo+ "};result={" + result + "}";}/** * @return the resultStatus */public String getResultStatus() {return resultStatus;}/** * @return the memo */public String getMemo() {return memo;}/** * @return the result */public String getResult() {return result;}

}
4.调用支付宝,签名，参数都通过服务端做，通过服务端拿到数据
//支付宝支付
public void callAliPay() {
connectAlipayWeb();
}
private List params = new ArrayList();
public String post(String url) {
String rev = “”;
org.apache.http.HttpResponse httpResponse = null;
org.apache.http.client.methods.HttpPost httpPost = new org.apache.http.client.methods.HttpPost(url);
try {
httpPost.setEntity(new org.apache.http.client.entity.UrlEncodedFormEntity(params, “UTF-8”));
httpResponse = (new org.apache.http.impl.client.DefaultHttpClient()).execute(httpPost);
if (httpResponse.getStatusLine().getStatusCode() == 200) {
rev = EntityUtils.toString(httpResponse.getEntity());
}
} catch (Exception var6) {
var6.printStackTrace();
}
params.clear();
return rev;
}
private void connectAlipayWeb() {
new Timer().schedule(new TimerTask() {
@Override
public void run() {
params.add(new BasicNameValuePair(“method”, “OpenPay”));
params.add(new BasicNameValuePair(“key”, “RPtkT2UPCfsw7PiU9DpS”));
params.add(new BasicNameValuePair(“payType”, payType));//1支付宝 0微信
params.add(new BasicNameValuePair(“orderId”,Manager.getInstance().js_order));//Manager.getInstance().js_order
String result = post(“自己服务地址”);
Log.d(“gmf result:”,result);
String orderInfo=result;
toALiPay(activity,orderInfo);
return;
}
}, 0);
}
/**
* 签名在服务端来做
*
* @param context
* @param orderInfo
*/
public void toALiPay(final Activity context, final String orderInfo) {
Runnable payRunnable = new Runnable() {

        @Override        public void run() {            PayTask alipay = new PayTask(context);            Map result = alipay.payV2(orderInfo, true);            Message msg = new Message();            msg.what = SDK_PAY_FLAG;            msg.obj = result;            mHandler.sendMessage(msg);        }    };    Thread payThread = new Thread(payRunnable);    payThread.start();}//支付宝 监听回调函数@SuppressLint("HandlerLeak")private Handler mHandler = new Handler() {    @SuppressWarnings("unused")    public void handleMessage(Message msg) {        switch (msg.what) {            case SDK_PAY_FLAG: {//支付宝支付                @SuppressWarnings("unchecked")                PayResult payResult = new PayResult((Map) msg.obj);                /**                 对于支付结果，请商户依赖服务端的异步通知结果。同步通知结果，仅作为支付结束的通知。                 */                String resultInfo = payResult.getResult();// 同步返回需要验证的信息                String resultStatus = payResult.getResultStatus();                // 判断resultStatus 为9000则代表支付成功                if (TextUtils.equals(resultStatus, "9000")) {                    // 该笔订单是否真实支付成功，需要依赖服务端的异步通知。

// Toast.makeText(activity, “支付宝支付成功”, Toast.LENGTH_SHORT).show();
Manager.getInstance().notifyPay(1,pid,"");
dialog.dismiss();
} else {
// 该笔订单真实的支付结果，需要依赖服务端的异步通知。
// Toast.makeText(activity, “支付宝支付失败”, Toast.LENGTH_SHORT).show();
dialog.dismiss();
Manager.getInstance().notifyPay(-1,pid,"");

                }                break;            }            default:                break;        }    };};/** * get the sdk version. 获取支付宝SDK版本号 * */public void getSDKVersion() {    PayTask payTask = new PayTask(activity);    String version = payTask.getVersion();    Toast.makeText(activity, version, Toast.LENGTH_SHORT).show();}

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