1、BaseFragmentActivity页面添加嵌套多层Fragment,Fragment某些情况下onActivityResult无法被回调问题

component-table/src/main/java/com/gingersoft/gsa/cloud/table/mvp/ui/activity/TableActivity.java

@@ -394,7 +394,7 @@ public class TableActivity extends BaseFragmentActivity<TablePresenter> implemen
 
     @Override
     public void startMealStandActivity() {
-        startActivity(new Intent(this, MealStandActivity2.class));
+        startActivity(new Intent(this, MealStandActivity.class));
     }
 
     @Override

component-table/src/main/java/com/gingersoft/gsa/cloud/table/mvp/ui/fragment/mealstand/FineChildAllFragment.java

@@ -6,21 +6,17 @@ import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-
 import com.gingersoft.gsa.cloud.app.GsaCloudApplication;
 import com.gingersoft.gsa.cloud.table.R;
 import com.gingersoft.gsa.cloud.table.R2;
-import com.gingersoft.gsa.cloud.table.di.component.DaggerFineItemAllComponent;
+import com.gingersoft.gsa.cloud.table.di.component.DaggerFineChildAllComponent;
 import com.gingersoft.gsa.cloud.table.mvp.model.bean.SoldoutCtrFood;
 import com.gingersoft.gsa.cloud.table.mvp.presenter.mealstand.FineChildAllPresenter;
 import com.jess.arms.base.BaseFragment;
 import com.jess.arms.base.DefaultAdapter;
 import com.jess.arms.di.component.AppComponent;
 import com.jess.arms.utils.ArmsUtils;
-
 import com.gingersoft.gsa.cloud.table.mvp.contract.FineChildAllContract;
-
-
 import java.util.ArrayList;
 import java.util.List;
 
@@ -64,7 +60,7 @@ public class FineChildAllFragment extends BaseFragment<FineChildAllPresenter> im
 
     @Override
     public void setupFragmentComponent(@NonNull AppComponent appComponent) {
-        DaggerFineItemAllComponent //如找不到该类,请编译一下项目
+        DaggerFineChildAllComponent //如找不到该类,请编译一下项目
                 .builder()
                 .appComponent(appComponent)
                 .view(this)

component-table/src/main/java/com/gingersoft/gsa/cloud/table/mvp/ui/fragment/mealstand/FineChildOneselfFragment.java

@@ -7,10 +7,9 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.LinearLayout;
-
 import com.gingersoft.gsa.cloud.table.R;
 import com.gingersoft.gsa.cloud.table.R2;
-import com.gingersoft.gsa.cloud.table.di.component.DaggerFineItemOneselfComponent;
+import com.gingersoft.gsa.cloud.table.di.component.DaggerFineChildOneselfComponent;
 import com.gingersoft.gsa.cloud.table.mvp.contract.FineChildOneselfContract;
 import com.gingersoft.gsa.cloud.table.mvp.model.bean.SoldoutCtrFood;
 import com.jess.arms.base.BaseFragment;
@@ -57,7 +56,7 @@ public class FineChildOneselfFragment extends BaseFragment<FineChildOneselfPrese
 
     @Override
     public void setupFragmentComponent(@NonNull AppComponent appComponent) {
-        DaggerFineItemOneselfComponent //如找不到该类,请编译一下项目
+        DaggerFineChildOneselfComponent //如找不到该类,请编译一下项目
                 .builder()
                 .appComponent(appComponent)
                 .view(this)

component-table/src/main/java/com/gingersoft/gsa/cloud/table/mvp/ui/fragment/mealstand/FineFragment.java

@@ -2,21 +2,26 @@ package com.gingersoft.gsa.cloud.table.mvp.ui.fragment.mealstand;
 
 import android.content.Intent;
 import android.os.Bundle;
-import android.os.Message;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.viewpager2.widget.ViewPager2;
 
+import com.gingersoft.gsa.cloud.table.R;
+import com.gingersoft.gsa.cloud.table.R2;
+import com.gingersoft.gsa.cloud.table.di.component.DaggerFineComponent;
+import com.gingersoft.gsa.cloud.table.mvp.contract.FineContract;
+import com.gingersoft.gsa.cloud.table.mvp.presenter.mealstand.FinePresenter;
 import com.gingersoft.gsa.cloud.ui.widget.dialog.LoadingDialog;
+import com.google.android.material.tabs.TabLayout;
 import com.jess.arms.base.BaseFragment;
 import com.jess.arms.di.component.AppComponent;
 import com.jess.arms.utils.ArmsUtils;
-import com.gingersoft.gsa.cloud.table.mvp.contract.FineContract;
-import com.gingersoft.gsa.cloud.table.mvp.presenter.mealstand.FinePresenter;
-import com.gingersoft.gsa.cloud.table.R;
+
+import butterknife.BindView;
 
 import static com.jess.arms.utils.Preconditions.checkNotNull;
 
@@ -36,6 +41,10 @@ import static com.jess.arms.utils.Preconditions.checkNotNull;
 public class FineFragment extends BaseFragment<FinePresenter> implements FineContract.View {
 
 
+    @BindView(R2.id.tabLayout)
+    TabLayout tabLayout;
+    @BindView(R2.id.viewPager)
+    ViewPager2 viewPager;
 
     public static FineFragment newInstance() {
         FineFragment fragment = new FineFragment();

component-table/src/main/res/layout/fragment_fine.xml

 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"

library-base/src/main/java/com/jess/arms/base/BaseFragmentActivity.java

@@ -17,16 +17,20 @@ package com.jess.arms.base;
 
 import android.app.Activity;
 import android.content.Context;
+import android.content.Intent;
 import android.content.pm.ActivityInfo;
 import android.graphics.Color;
 import android.os.Bundle;
 import android.util.AttributeSet;
+import android.util.Log;
 import android.view.MotionEvent;
 import android.view.View;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentActivity;
+import androidx.fragment.app.FragmentManager;
 
 import com.gyf.immersionbar.ImmersionBar;
 import com.jess.arms.base.delegate.IActivity;
@@ -41,6 +45,8 @@ import com.qmuiteam.qmui.arch.QMUIFragmentActivity;
 import com.qmuiteam.qmui.util.QMUIDeviceHelper;
 import com.trello.rxlifecycle2.android.ActivityEvent;
 
+import java.util.List;
+
 import javax.inject.Inject;
 
 import butterknife.ButterKnife;
@@ -165,6 +171,73 @@ public abstract class BaseFragmentActivity<P extends IPresenter> extends Fragmen
         this.mPresenter = null;
     }
 
+    /**
+     * 在Fragment中使用startActivityForResult之后，onActivityResult的调用是从activity中开始的（即会先调用activity中的onActivityResult）。
+     *
+     * 一.只嵌套了一层Fragment（比如activity中使用了viewPager，viewPager中添加了几个Fragment）
+     *
+     * 在这种情况下要注意几个点：
+     * 1.在Fragment中使用startActivityForResult的时候，不要使用getActivity().startActivityForResult,而是应该直接使startActivityForResult()。
+     * 2.如果activity中重写了onActivityResult，那么activity中的onActivityResult一定要加上super.onActivityResult(requestCode, resultCode, data)。
+     *
+     * 如果违反了上面两种情况，那么onActivityResult只能够传递到activity中的，无法传递到Fragment中的。
+     * 没有违反上面两种情况的前提下，可以直接在Fragment中使用startActivityForResult和onActivityResult，和在activity中使用的一样。
+     *
+     *
+     * 二.嵌套多层Fragment（比如activity中使用了viewPager，viewPager中添加了几个Fragment，即第一层Fragment。其中一个Fragment又使用了一个ViewPager，这个ViewPager又加入了几个Fragment，即第二层Fragment）
+     * 在这种情况下activity中的onActivityResult调用无法传到第二层Fragment中。自己动手丰衣足食，我们只有手动传了。
+     * @param requestCode
+     * @param resultCode
+     * @param data
+     */
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        FragmentManager fragmentManager = getSupportFragmentManager();
+        for (int indext = 0; indext < fragmentManager.getFragments().size(); indext++) {
+            /**
+             * 找到第一层Fragment
+             */
+            Fragment fragment = fragmentManager.getFragments().get(indext);
+            if (fragment == null) {
+                Log.w(TAG, "Activity result no fragment exists for index: 0x"
+                        + Integer.toHexString(requestCode));
+            } else {
+                handleResult(fragment, requestCode, resultCode, data);
+            }
+        }
+    }
+
+    /**
+     * 递归调用，对所有的子Fragment生效
+     *
+     * @param fragment
+     * @param requestCode
+     * @param resultCode
+     * @param data
+     */
+    private void handleResult(Fragment fragment, int requestCode, int resultCode, Intent data) {
+        /**
+         * 调用每个Fragment的onActivityResult
+         */
+        fragment.onActivityResult(requestCode, resultCode, data);
+        Log.e(TAG, "handleResult");
+        /**
+         * 找到第二层Fragment
+         */
+        List<Fragment> childFragment = fragment.getChildFragmentManager().getFragments();
+        if (childFragment != null) {
+            for (Fragment f : childFragment) {
+                if (f != null) {
+                    handleResult(f, requestCode, resultCode, data);
+                }
+            }
+        }
+        if (childFragment == null) {
+            Log.e(TAG, "handleResult childFragment == null");
+        }
+    }
+
     @Override
     public SupportActivityDelegate getSupportDelegate() {
         return mDelegate;

library-database/src/main/java/com/gingersoft/gsa/cloud/database/DiscountConstact.java

@@ -12,11 +12,7 @@ public interface DiscountConstact {
      */
     byte DISCOUNT_TYPE = 0;
     /**
-     * 會員優惠券類型
-     */
-    byte MEMBER_COUPON_TYPE = 1;
-    /**
      * 會員錢包券類型
      */
-    byte WALLET_COUPON_TYPE = 2;
+    byte WALLET_COUPON_TYPE = 1;
 }

library-order/src/main/java/com/gingersoft/gsa/cloud/pay/device/pos/yedpay/YedpayCallbackImp.java

@@ -37,7 +37,7 @@ public class YedpayCallbackImp implements YedpayCallback {
         if (fragment != null) {
             Uri uri2 = Uri.parse(uri);
             Intent intent = new Intent(Intent.ACTION_VIEW, uri2);
-            fragment.getActivity().startActivityForResult(intent, YedpayConstant.CallRequestCode.SALE_REQUEST_CODE);
+            fragment.startActivityForResult(intent, YedpayConstant.CallRequestCode.SALE_REQUEST_CODE);
         }
     }