添加使用SmartRefreshLayout刷新加载的示例

donkingliang · Jun 30, 2020 · 73c0b86 · 73c0b86
1 parent ff547d8
commit 73c0b86
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Showing 4 changed files with 110 additions and 28 deletions.
diff --git a/app/build.gradle b/app/build.gradle
@@ -30,4 +30,7 @@ dependencies {
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
     implementation 'androidx.recyclerview:recyclerview:1.0.0'
     implementation project(':consecutivescroller')
+
+    // 刷新框架
+    implementation 'com.scwang.smartrefresh:SmartRefreshLayout:1.1.0'
 }
diff --git a/app/src/main/java/com/donkingliang/consecutivescrollerdemo/MyFragment.java b/app/src/main/java/com/donkingliang/consecutivescrollerdemo/MyFragment.java
@@ -14,6 +14,7 @@
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.donkingliang.consecutivescrollerdemo.adapter.RecyclerViewAdapter;
+import com.scwang.smartrefresh.layout.SmartRefreshLayout;
 
 /**
  * @Author donkingliang
@@ -40,4 +41,15 @@ public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup c
         return view;
 
     }
+
+    public void onLoadMore(final SmartRefreshLayout layout){
+        // 模拟加载5秒钟
+        layout.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                // 加载完成
+                layout.finishLoadMore();
+            }
+        },5000);
+    }
 }
diff --git a/app/src/main/java/com/donkingliang/consecutivescrollerdemo/ViewPagerActivity.java b/app/src/main/java/com/donkingliang/consecutivescrollerdemo/ViewPagerActivity.java
@@ -1,22 +1,35 @@
 package com.donkingliang.consecutivescrollerdemo;
 
 import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
 import android.widget.TextView;
 
+import com.donkingliang.consecutivescroller.ConsecutiveScrollerLayout;
 import com.donkingliang.consecutivescroller.ConsecutiveViewPager;
 import com.donkingliang.consecutivescrollerdemo.adapter.TabPagerAdapter;
 import com.google.android.material.tabs.TabLayout;
+import com.scwang.smartrefresh.layout.SmartRefreshLayout;
+import com.scwang.smartrefresh.layout.api.RefreshFooter;
+import com.scwang.smartrefresh.layout.api.RefreshLayout;
+import com.scwang.smartrefresh.layout.listener.OnRefreshLoadMoreListener;
+import com.scwang.smartrefresh.layout.listener.SimpleMultiPurposeListener;
 
 import java.util.ArrayList;
 import java.util.List;
 
+import androidx.annotation.NonNull;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.fragment.app.Fragment;
 
 public class ViewPagerActivity extends AppCompatActivity {
 
+    private ConsecutiveScrollerLayout scrollerLayout;
     private ConsecutiveViewPager viewPager;
     private TabLayout tabLayout;
+    private SmartRefreshLayout refreshLayout;
+
+    private TabPagerAdapter mAdapter;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -28,9 +41,13 @@ protected void onCreate(Bundle savedInstanceState) {
                 "下面的例子中，通过自定义ViewPager，实现IConsecutiveScroller接口，ConsecutiveScrollerLayout能正确的处理ViewPager里" +
                 "的子布局。如果ViewPager的内容是可以垂直滑动的，请使用ConsecutiveScrollerLayout或者RecyclerView等可滑动布局作为它内容的根布局。\n" +
                 "下面的列子中使用ViewPager承载多个Fragment，Fragment的根布局为ConsecutiveScrollerLayout。");
+        scrollerLayout = findViewById(R.id.scrollerLayout);
         viewPager = findViewById(R.id.viewPager);
         tabLayout = findViewById(R.id.tabLayout);
-        viewPager.setAdapter(new TabPagerAdapter(getSupportFragmentManager(), getTabs(), getFragments()));
+        refreshLayout = findViewById(R.id.refreshLayout);
+
+        mAdapter = new TabPagerAdapter(getSupportFragmentManager(), getTabs(), getFragments());
+        viewPager.setAdapter(mAdapter);
         tabLayout.setupWithViewPager(viewPager);
 
         tabLayout.post(new Runnable() {
@@ -39,6 +56,50 @@ public void run() {
                 viewPager.setAdjustHeight(tabLayout.getHeight());
             }
         });
+
+        refreshLayout.setOnRefreshLoadMoreListener(new OnRefreshLoadMoreListener() {
+            @Override
+            public void onLoadMore(@NonNull RefreshLayout r) {
+                // 把加载的动作传给当初的fragment
+                MyFragment fragment = (MyFragment) mAdapter.getItem(viewPager.getCurrentItem());
+                fragment.onLoadMore(refreshLayout);
+            }
+
+            @Override
+            public void onRefresh(@NonNull RefreshLayout r) {
+                refreshLayout.postDelayed(new Runnable() {
+                    @Override
+                    public void run() {
+                        refreshLayout.finishRefresh();
+                    }
+                }, 5000);
+            }
+        });
+
+
+        refreshLayout.setOnMultiPurposeListener(new SimpleMultiPurposeListener() {
+            @Override
+            public void onFooterMoving(RefreshFooter footer, boolean isDragging, float percent, int offset, int footerHeight, int maxDragHeight) {
+                // 上拉加载时，保证吸顶头部不被推出屏幕。
+                scrollerLayout.setStickyOffset(offset);
+            }
+        });
+
+        // 滑动到底部，自动触发上拉加载
+        scrollerLayout.setOnVerticalScrollChangeListener(new ConsecutiveScrollerLayout.OnScrollChangeListener() {
+            @Override
+            public void onScrollChange(View v, int scrollY, int oldScrollY, int scrollState) {
+                if (scrollState == ConsecutiveScrollerLayout.SCROLL_STATE_IDLE && scrollerLayout.isScrollBottom()){
+                    Log.e("eee","自动触发上拉加载");
+                    refreshLayout.autoLoadMore();
+                }
+            }
+        });
+    }
+
+    // 提供给Fragment获取使用。
+    public SmartRefreshLayout getRefreshLayout() {
+        return refreshLayout;
     }
 
     private List<String> getTabs() {

diff --git a/app/src/main/res/layout/activity_viewpager.xml b/app/src/main/res/layout/activity_viewpager.xml
@@ -1,35 +1,41 @@
 <?xml version="1.0" encoding="utf-8"?>
-<com.donkingliang.consecutivescroller.ConsecutiveScrollerLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<com.scwang.smartrefresh.layout.SmartRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:id="@+id/scrollerLayout"
+    android:id="@+id/refreshLayout"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:scrollbars="vertical">
+    android:layout_height="match_parent">
 
-    <TextView
-        android:id="@+id/text"
+    <com.donkingliang.consecutivescroller.ConsecutiveScrollerLayout
+        android:id="@+id/scrollerLayout"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:background="@android:color/white"
-        android:padding="10dp"
-        android:textColor="@android:color/black"
-        android:textSize="18sp" />
+        android:layout_height="match_parent"
+        android:scrollbars="vertical">
 
-    <com.google.android.material.tabs.TabLayout
-        android:id="@+id/tabLayout"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:background="@android:color/white"
-        app:layout_isSticky="true"
-        app:tabGravity="fill"
-        app:tabIndicatorColor="@color/colorPrimary"
-        app:tabIndicatorHeight="3dp"
-        app:tabMode="scrollable"
-        app:tabSelectedTextColor="@color/colorPrimary" />
+        <TextView
+            android:id="@+id/text"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:background="@android:color/white"
+            android:padding="10dp"
+            android:textColor="@android:color/black"
+            android:textSize="18sp" />
 
-    <com.donkingliang.consecutivescroller.ConsecutiveViewPager
-        android:id="@+id/viewPager"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent" />
+        <com.google.android.material.tabs.TabLayout
+            android:id="@+id/tabLayout"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:background="@android:color/white"
+            app:layout_isSticky="true"
+            app:tabGravity="fill"
+            app:tabIndicatorColor="@color/colorPrimary"
+            app:tabIndicatorHeight="3dp"
+            app:tabMode="scrollable"
+            app:tabSelectedTextColor="@color/colorPrimary" />
+
+        <com.donkingliang.consecutivescroller.ConsecutiveViewPager
+            android:id="@+id/viewPager"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
 
-</com.donkingliang.consecutivescroller.ConsecutiveScrollerLayout>
+    </com.donkingliang.consecutivescroller.ConsecutiveScrollerLayout>
+</com.scwang.smartrefresh.layout.SmartRefreshLayout>