paypal 第一次接触,听说很强大,在这里我门先不深究它的来历,上代码

首先你要下在个SDK,呵呵.....

1官网链接:https://developer.paypal.com/docs/classic/lifecycle/sdks/

示例如下:

2点击PayPal Mobile SDKs

示例如下:

3 点击PayPal Android SDK 进入GITHUB

如下图示;

一般集成 PayPal就够了...PS:Braintree不知道干啥的,PayPal就可以实现支付可能更强大,记得告诉我

4下翻  下翻

compile 'com.paypal.sdk:paypal-android-sdk:2.15.0'

导包---

5 正题来了 有时候依赖库多了会出现 这个问题

Error:Execution failed for task ':app:processDebugManifest'.
> Manifest merger failed with multiple errors, see logs

莫慌莫慌

不是有度娘和gg么

http://blog.csdn.net/qq_33785670/article/details/52455241

这篇文章是正解!!!

但是如果在报错....嘿嘿文章说的是对,但是我是builde.gradle的 没有办法更改minSdkVersion和targetSdkVersion

哈哈,GitHub上是有解决办法的

貌似是说PayPal  不能在API低于16的版本运行 ,那么来吧小宝贝儿~~

把它说的

xmlns:tools="http://schemas.android.com/tools"
<uses-sdk android:minSdkVersion="INSERT_YOUR_DESIRED_minSdkVersion_HERE" tools:overrideLibrary="com.paypal.android.sdk.payments"/>

加进AndroidManifest中

6.PayPal支付用到的界面和service的配置。

<!-- PayPal支付 -->
<activity android:name="com.paypal.android.sdk.payments.PaymentActivity" />
<activity android:name="com.paypal.android.sdk.payments.PaymentMethodActivity" />
<activity android:name="com.paypal.android.sdk.payments.PaymentConfirmActivity" />
<activity android:name="com.paypal.android.sdk.payments.LoginActivity" />
<activity android:name="com.paypal.android.sdk.payments.PayPalFuturePaymentActivity" />
<activity android:name="com.paypal.android.sdk.payments.FuturePaymentConsentActivity" />
<activity android:name="com.paypal.android.sdk.payments.FuturePaymentInfoActivity" />
<activity android:name="com.paypal.android.sdk.payments.PayPalProfileSharingActivity" />
<activity android:name="com.paypal.android.sdk.payments.ProfileSharingConsentActivity" /><service
    android:name="com.paypal.android.sdk.payments.PayPalService"
    android:exported="false" />
<!-- PayPal支付 -->


7.调用PayPal
public class BBActivity extends BaseActivity implements View.OnClickListener {private static final String TAG = BBActivity.class.getSimpleName();private static final int REQUEST_CODE_PAYMENT = 1;// PayPal configurationprivate static PayPalConfiguration paypalConfig = new PayPalConfiguration().environment(Config.PAYPAL_ENVIRONMENT).clientId(Config.PAYPAL_CLIENT_ID);@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.a_activity);Intent intent = new Intent(this, PayPalService.class);intent.putExtra(PayPalService.EXTRA_PAYPAL_CONFIGURATION, paypalConfig);startService(intent);findview();}@Overrideprotected void onDestroy() {stopService(new Intent(this, PayPalService.class));super.onDestroy();}private void findview() {findViewById(R.id.back).setOnClickListener(this);findViewById(R.id.cz_1w).setOnClickListener(this);}/**** 点击事件*/private String czmon="0";@Overridepublic void onClick(View v) {productsInCart.clear();czmon="0";switch (v.getId()) {case R.id.cz_1w: {//充值10000元czmon="10000";PayPalItem item = new PayPalItem("充值", 1,new BigDecimal("10000"), Config.DEFAULT_CURRENCY, "9999");productsInCart.add(item);launchPayPalPayment();}break;case R.id.back: {finish();}break;}}private List<PayPalItem> productsInCart = new ArrayList<PayPalItem>();/*** 添加商品信息* Preparing final cart amount that needs to be sent to PayPal for payment*/private PayPalPayment prepareFinalCart() {PayPalItem[] items = new PayPalItem[productsInCart.size()];items = productsInCart.toArray(items);// Total amountBigDecimal subtotal = PayPalItem.getItemTotal(items);// If you have shipping cost, add it hereBigDecimal shipping = new BigDecimal("0");// If you have tax, add it here赋税BigDecimal tax = new BigDecimal("0");PayPalPaymentDetails paymentDetails = new PayPalPaymentDetails(shipping, subtotal, tax);BigDecimal amount = subtotal.add(shipping).add(tax);PayPalPayment payment = new PayPalPayment(amount,Config.DEFAULT_CURRENCY,"Description about transaction. This will be displayed to the user.",Config.PAYMENT_INTENT);payment.items(items).paymentDetails(paymentDetails);// Custom field like invoice_number etc.,payment.custom("This is text that will be associated with the payment that the app can use.");return payment;}/*** 启动支付界面* Launching PalPay payment activity to complete the payment*/private void launchPayPalPayment() {PayPalPayment thingsToBuy = prepareFinalCart();Intent intent = new Intent(BBActivity.this, PaymentActivity.class);intent.putExtra(PayPalService.EXTRA_PAYPAL_CONFIGURATION, paypalConfig);intent.putExtra(PaymentActivity.EXTRA_PAYMENT, thingsToBuy);startActivityForResult(intent, REQUEST_CODE_PAYMENT);}/*** Receiving the PalPay payment response*/@Overrideprotected void onActivityResult(int requestCode, int resultCode, Intent data) {if (requestCode == REQUEST_CODE_PAYMENT) {if (resultCode == Activity.RESULT_OK) {PaymentConfirmation confirm = data.getParcelableExtra(PaymentActivity.EXTRA_RESULT_CONFIRMATION);if (confirm != null) {try {Log.e(TAG, confirm.toJSONObject().toString(4));Log.e(TAG, confirm.getPayment().toJSONObject().toString(4));String paymentId = confirm.toJSONObject().getJSONObject("response").getString("id");String payment_client = confirm.getPayment().toJSONObject().toString();Log.e(TAG, "paymentId: " + paymentId+ ", payment_json: " + payment_client);// <span style="font-size: 12pt; font-family: Arial, Helvetica, sans-serif;">请求后台,</span>在服务器端验证付款paypal(paymentId,czmon);} catch (JSONException e) {Log.e(TAG, "an extremely unlikely failure occurred: ",e);}}} else if (resultCode == Activity.RESULT_CANCELED) {Log.e(TAG, "The user canceled.");} else if (resultCode == PaymentActivity.RESULT_EXTRAS_INVALID) {Log.e(TAG,"An invalid Payment or PayPalConfiguration was submitted.");}}}/**** 核实付款*/private void paypal(String orders, String money) {showloading();xhttp = new Xhttp(URLManager.paypal);xhttp.add("orders", orders);xhttp.add("uid", MyData.USERID);xhttp.add("money", money);xhttp.post(new XhttpCallBack() {@Overridepublic void onSuccess(String result) {try {JSONObject obj = new JSONObject(result);String status = obj.getString("status");String mess = obj.getString("meg");showMessage(mess);if (status.equals("1")) {}} catch (JSONException e) {e.printStackTrace();}dismissloading();}@Overridepublic void onError() {dismissloading();}});}}
感谢.....
cc..
av..
http://www.androidhive.info/2015/02/android-integrating-paypal-using-php-mysql-part-2/#download_paypal_android_sdk





忘了 还有一段代码


import com.paypal.android.sdk.payments.PayPalConfiguration;
import com.paypal.android.sdk.payments.PayPalPayment;/*** Created by Kkan on 2016/10/24.*/public class Config {// PayPal app configurationpublic static final String PAYPAL_CLIENT_ID = "你的clientid";public static final String PAYPAL_CLIENT_SECRET = "secret 前端用不到";public static final String PAYPAL_ENVIRONMENT = PayPalConfiguration.ENVIRONMENT_SANDBOX;public static final String PAYMENT_INTENT = PayPalPayment.PAYMENT_INTENT_SALE;public static final String DEFAULT_CURRENCY = "USD";//美元}


												


											

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