处理刷新后，indicator 位置不对的问题

Author: Zzhengsr

.idea/workspace.xml

@@ -24,9 +24,6 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
-        startActivity(new Intent(this, LoopActivity.class));
-
-
 
     }
 

app/src/main/java/com/zhengsr/viewpagerhelper/MainActivity.java

@@ -23,6 +23,7 @@
 import com.zhengsr.viewpagerhelper.bean.PageDataInfo;
 import com.zhengsr.viewpagerhelper.rx.HttpCreate;
 import com.zhengsr.viewpagerhelper.rx.RxUtils;
+import com.zhengsr.viewpagerhelper.view.BannerView;
 import com.zhengsr.viewpagerlib.bean.PageBean;
 import com.zhengsr.viewpagerlib.callback.PageHelperListener;
 import com.zhengsr.viewpagerlib.indicator.CircleIndicator;
@@ -43,7 +44,7 @@ public class NetWorkActivity extends AppCompatActivity {
     private RecyclerView mRecyclerView;
     private List<ArticleData> mArticleBeans = new ArrayList<>();
     private ArticleAdapter mAdapter;
-    private BannerViewPager mBannerView;
+    private BannerView mBannerView;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -57,11 +58,10 @@ private void initView() {
         mRecyclerView = findViewById(R.id.recycler);
         mRecyclerView.setLayoutManager(manager);
         mAdapter = new ArticleAdapter(R.layout.item_article_recy_layout, mArticleBeans);
-        View headerView = LayoutInflater.from(this).inflate(R.layout.banner_layout,null);
-        mBannerView = headerView.findViewById(R.id.banner);
-        CircleIndicator indicator = headerView.findViewById(R.id.banner_indicator);
-        mBannerView.addIndicator(indicator);
-        mAdapter.addHeaderView(headerView);
+
+        mBannerView = new BannerView(this);
+
+        mAdapter.addHeaderView(mBannerView);
         mRecyclerView.setAdapter(mAdapter);
 
         loadData();
@@ -72,6 +72,7 @@ public void zengjia(View view) {
         loadData();
     }
 
+    private boolean isSecond;
     private void loadData() {
         //banner
         HttpCreate.getServer().getBanner()
@@ -86,17 +87,8 @@ public void onSubscribe(Disposable d) {
                     @Override
                     public void onNext(List<BannerBean> bannerBeans) {
 
-                        mBannerView.setPageListener(R.layout.banner_item_layout, bannerBeans, new PageHelperListener<BannerBean>() {
-                            @Override
-                            public void bindView(View view, BannerBean data, int position) {
-                                ImageView imageView = view.findViewById(R.id.banner_icon);
-                                TextView textView = view.findViewById(R.id.banner_text);
-                                Glide.with(NetWorkActivity.this)
-                                        .load(data.getImagePath())
-                                        .into(imageView);
-                                textView.setText(data.getTitle());
-                            }
-                        });
+                        mBannerView.setData(bannerBeans);
+                        mAdapter.notifyDataSetChanged();
 
 
                     }

app/src/main/java/com/zhengsr/viewpagerhelper/activity/loop/NetWorkActivity.java

@@ -0,0 +1,72 @@
+package com.zhengsr.viewpagerhelper.view;
+
+import android.content.Context;
+import android.content.Intent;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.FrameLayout;
+import android.widget.ImageView;
+
+import com.bumptech.glide.Glide;
+import com.zhengsr.viewpagerhelper.R;
+import com.zhengsr.viewpagerhelper.bean.BannerBean;
+import com.zhengsr.viewpagerlib.callback.PageHelperListener;
+import com.zhengsr.viewpagerlib.indicator.CircleIndicator;
+import com.zhengsr.viewpagerlib.view.BannerViewPager;
+
+
+import java.util.List;
+
+/**
+ * Created by zhengshaorui
+ * time: 2018/9/2
+ */
+
+public class BannerView extends FrameLayout {
+
+
+    private View mView;
+    private BannerViewPager mBannerViewPager;
+
+    public BannerView(@NonNull Context context) {
+        this(context,null);
+    }
+
+    public BannerView(@NonNull Context context, @Nullable AttributeSet attrs) {
+        super(context, attrs);
+
+        removeAllViews();
+        mView = LayoutInflater.from(getContext()).inflate(R.layout.banner_layout,this,false);
+        addView(mView);
+
+        mBannerViewPager = mView.findViewById(R.id.banner);
+        CircleIndicator indicator = mView.findViewById(R.id.banner_indicator);
+
+        mBannerViewPager.addIndicator(indicator);
+    }
+
+
+    public void setData(List<BannerBean> beans){
+        if (beans != null && beans.size() >0){
+
+            mBannerViewPager.setPageListener(R.layout.banner_item_layout, beans, new PageHelperListener<BannerBean>() {
+                @Override
+                public void bindView(View view, BannerBean data, int position) {
+                 //   setText(view,R.id.banner_text,data.getTitle());
+                    ImageView imageView = view.findViewById(R.id.banner_icon);
+                    Glide.with(getContext())
+                            .load(data.getImagePath())
+                            .into(imageView);
+                }
+            });
+
+        }
+    }
+
+
+
+
+}

app/src/main/java/com/zhengsr/viewpagerhelper/view/BannerView.java

@@ -33,8 +33,8 @@
             app:cir_normalColor="@color/white_ff"
             app:cir_selectedColor="@color/white"
             app:cir_size="5dp"
-            app:cir_rect_width="13dp"
-            app:cir_horizon_margin="10dp"
+            app:cir_rect_width="15dp"
+            app:cir_horizon_margin="15dp"
             />
     </FrameLayout>
 </android.support.v7.widget.CardView>

app/src/main/res/layout/banner_layout.xml

@@ -109,7 +109,12 @@ public CircleIndicator(Context context, @Nullable AttributeSet attrs, int defSty
      */
     public void addPagerData(int count, ViewPager viewPager) {
 
+        /**
+         * 还原一些状态
+         */
         removeAllViews();
+        mMoveDistance = 0;
+
         if (count == 0) {
             return;
         }

viewpagerlib/src/main/java/com/zhengsr/viewpagerlib/indicator/CircleIndicator.java

@@ -90,9 +90,7 @@ public void addPagerData(int count, ViewPager viewPager) {
             return;
         }
         mCount = count;
-        if (mCount == 0) {
-            return;
-        }
+
         GradientDrawable drawable = new GradientDrawable();
         drawable.setShape(GradientDrawable.RECTANGLE);
         drawable.setSize(mRectWidth, mRectHeight);

viewpagerlib/src/main/java/com/zhengsr/viewpagerlib/indicator/RectIndicator.java

@@ -92,6 +92,7 @@ public void handleMessage(Message msg) {
             }
         }
     };
+    private CusViewPagerAdapter adapter;
 
 
     public BannerViewPager(Context context) {
@@ -250,6 +251,7 @@ public BannerViewPager addPageBean(PageBean bean) {
     public <T> void setPageListener(int layoutId, final List<T> datas, final PageHelperListener<T> listener) {
         //先停止动画
         stopAnim();
+        mCurrentIndex = 0;
         if (datas == null || datas.isEmpty()) {
             return;
         }
@@ -267,19 +269,15 @@ public <T> void setPageListener(int layoutId, final List<T> datas, final PageHel
         /**
          * 判断是否上次有 adapter 的存在
          */
-        if (getAdapter() !=null) {
-            setAdapter(null);
-        }else{
-            setOffscreenPageLimit(3);
-        }
 
         listener.setDatas(mDatas);
-        CusViewPagerAdapter adapter = new CusViewPagerAdapter<T>(datas, layoutId, listener);
+        adapter = new CusViewPagerAdapter<T>(datas, layoutId, listener);
         setAdapter(adapter);
         int startSelectItem = getStartSelectItem(dataCount);
         startSelectItem += mCurrentIndex;
         setCurrentItem(startSelectItem);
 
+        setOffscreenPageLimit(3);
 
 
         if (mIndicator != null) {