添加修改;

app/src/main/java/com/xingdata/zzdpos/ui/payment/PaymentActivity.java

@@ -4,6 +4,7 @@ import android.content.Intent;
 import android.view.MotionEvent;
 
 import com.blankj.utilcode.util.ActivityUtils;
+import com.blankj.utilcode.util.ToastUtils;
 import com.xingdata.zzdpos.C;
 import com.xingdata.zzdpos.R;
 import com.xingdata.zzdpos.base.BaseActivity;
@@ -12,8 +13,7 @@ import com.xingdata.zzdpos.ui.payment.fragment.PaymentFragment;
 import com.xingdata.zzdpos.ui.settle.SettleActivity;
 import com.xingdata.zzdpos.util.Global;
 
-public class PaymentActivity extends BaseActivity<PaymentPresenter, ActivityPaymentBinding>
-        implements PaymentContract.View {
+public class PaymentActivity extends BaseActivity<PaymentPresenter, ActivityPaymentBinding> implements PaymentContract.View {
 
     private PaymentFragment mPaymentFragment = new PaymentFragment();
 
@@ -29,6 +29,11 @@ public class PaymentActivity extends BaseActivity<PaymentPresenter, ActivityPaym
     }
 
 
+    @Override
+    public void showMsg(String msg) {
+        ToastUtils.showShort(msg);
+    }
+
     @Override
     public void showSettle(Long amt) {
         Intent intent = new Intent(PaymentActivity.this, SettleActivity.class);

app/src/main/java/com/xingdata/zzdpos/ui/payment/PaymentContract.java

@@ -8,6 +8,13 @@ interface PaymentContract {
 
     interface View extends BaseView {
 
+        /**
+         * 显示信息
+         *
+         * @param msg 信息
+         */
+        void showMsg(String msg);
+
         /**
          * 显示结算页面
          */

app/src/main/java/com/xingdata/zzdpos/ui/payment/PaymentPresenter.java

@@ -8,6 +8,10 @@ public class PaymentPresenter extends PaymentContract.Presenter {
 
     @Override
     public void clickSettle(Long amt) {
-        mView.showSettle(amt);
+        if (amt > 99999999999L) {
+            mView.showMsg("金额不合法,请重新输入");
+        } else {
+            mView.showSettle(amt);
+        }
     }
 }