版本相关-Android9

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升级API相关问题

升级到 Android9.0遇到的问题

java.lang.VerifyError: Verifier rejected class d.w.b.f.a: java.lang.String

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java.lang.VerifyError: Verifier rejected class d.w.b.f.a: java.lang.String d.w.b.f.a.a(java.lang.String) failed to verify: java.lang.String d.w.b.f.a.a(java.lang.String): [0x36] 'this' argument 'Precise Reference: org.apache.commons.codec.binary.Base64' not instance of 'Reference: org.apache.commons.codec.binary.BaseNCodec' (declaration of 'd.w.b.f.a' appears in /data/app/xxx.xxx.yyldy-naDf47h1LBlsvDDqMvd1rw==/base.apk!classes3.dex)
        at d.w.b.f.a.a(AESHelper.java:39)
        at d.w.b.b.b.a(RemoteClient.java:119)
        at b.a.b.a.b(RequestApi.java:2739)
        at b.a.i.a.k.b(IsExistIMAccount.java:58)
        at xxx.xxx.view.login.WelcomeActivity.onCreate(WelcomeActivity.java:95)
        at android.app.Activity.performCreate(Activity.java:7458)
        at android.app.Activity.performCreate(Activity.java:7448)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1286)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3409)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3614)
        at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:86)
        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2199)
        at android.os.Handler.dispatchMessage(Handler.java:112)
        at android.os.Looper.loop(Looper.java:216)
        at android.app.ActivityThread.main(ActivityThread.java:7625)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:524)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:987)

解决：

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public static String AESEncrypt(String plainText) {
    String encryptedValue = null;
    try {
        Key key = new SecretKeySpec(keyWord.getBytes(), "AES");
        Cipher cipher = Cipher.getInstance("AES/CBC/PKCS7Padding");
        byte[] byteContent = plainText.getBytes("utf-8");
        try {
            cipher.init(Cipher.ENCRYPT_MODE, key, new IvParameterSpec(_key1));
        } catch (InvalidAlgorithmParameterException e) {
            e.printStackTrace();
        }
        byte[] encValue = cipher.doFinal(byteContent);
        //把上面这句注释掉，改成底下那句
        //encryptedValue = new String(new Base64().encode(encValue));
        encryptedValue = new String(Base64.encodeBase64(encValue));
    } catch (Exception e) {
        e.printStackTrace();
    }
    return encryptedValue;
}

android 9.0 升级后遇到json 解析异常，需要改成Gson 方式

遇到的类ShoppingCartFragment类

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/**
 * 构建选中的id集合,用于获取购物车商品及提交结算时验证使用
 */
private String generateSelectIdList(NewShoppingCartBean bean) {
	if (bean != null) {
		ItemCartIds itemCartIds = new ItemCartIds();
		List<ItemCartIds.ItemCartId> idList = new ArrayList<>();

		for (NewShoppingCartBean.ShoppingCartBean shoppingCartBean : bean.getShoppingCartList()) {
			for (NewShoppingCartBean.ShoppingCartBean.CartActivityItemBean cartActivityItemBean : shoppingCartBean.getCartActivityItemList()) {
				for (NewShoppingCartBean.ShoppingCartBean.CartActivityItemBean.CartItemBean cartItemBean : cartActivityItemBean.getCartItemList()) {
					ItemCartIds.ItemCartId itemCartId = new ItemCartIds().new ItemCartId();
					if (cartItemBean.getIsSelected()) {
						itemCartId.setItemCartId(cartItemBean.getItemCartId());
						idList.add(itemCartId);
					}
				}
				itemCartIds.setItemCartIds(idList);
			}
		}

		Gson gson = new Gson();
		String idsStr =  gson.toJson(itemCartIds);//需要进行替换itemCartIds，改为首字母大写，否则报错
//            String idsStr = JSON.toJSONString(itemCartIds);//需要进行替换itemCartIds，改为首字母大写，否则报错
		Debug.e(idsStr);

		return ListUtils.isEmpty(itemCartIds.getItemCartIds()) ? "" : idsStr.contains("itemCartIds") ? idsStr.replace("itemCartIds", "ItemCartIds") : idsStr;
	} else {
		return "";
	}
}

Cleartext HTTP traffic to xxx not permitted

问题：升级到Android9 出现“Cleartext HTTP traffic to xxx not permitted”

针对下一代 Android 系统(Android P) 的应用程序，将要求默认使用加密连接。解决方法有：

  • APP改用https请求

  • targetSdkVersion 降到27以下

  • 最终暴力解决

    1. 在app的res/xml下新建 network_security_config.xml
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    <?xml version="1.0" encoding="utf-8"?>
    <network-security-config>
        <base-config cleartextTrafficPermitted="true" />
    </network-security-config>
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2. 在AndroidManifest.xml中
```xml
<application
        ...
        android:networkSecurityConfig="@xml/network_security_config">
</application>