Feature/fix npe exception (#566)

* android: add exception catch for list flowlayout scroller  type

* iOS: add exception catch for list flowlayout scroller  type

doric-android/doric/src/main/java/pub/doric/shader/flowlayout/FlowAdapter.java

@@ -20,16 +20,15 @@ import android.util.SparseArray;
 import android.view.View;
 import android.view.ViewGroup;
 
-import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.RecyclerView;
-import androidx.recyclerview.widget.StaggeredGridLayoutManager;
-
 import com.github.pengfeizhou.jscore.JSArray;
 import com.github.pengfeizhou.jscore.JSDecoder;
 import com.github.pengfeizhou.jscore.JSNull;
 import com.github.pengfeizhou.jscore.JSObject;
 import com.github.pengfeizhou.jscore.JSValue;
 
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.recyclerview.widget.StaggeredGridLayoutManager;
 import pub.doric.async.AsyncResult;
 import pub.doric.shader.ViewNode;
 
@@ -62,6 +61,7 @@ class FlowAdapter extends RecyclerView.Adapter<FlowAdapter.DoricViewHolder> {
 
     @Override
     public void onBindViewHolder(@NonNull DoricViewHolder holder, int position) {
+        try {
             JSValue jsValue = getItemModel(position);
             boolean fullSpan = this.loadMore && position >= this.itemCount;
             if (jsValue != null && jsValue.isObject()) {
@@ -90,6 +90,9 @@ class FlowAdapter extends RecyclerView.Adapter<FlowAdapter.DoricViewHolder> {
                     && !TextUtils.isEmpty(this.flowLayoutNode.onLoadMoreFuncId)) {
                 callLoadMore();
             }
+        } catch (Exception e) {
+            flowLayoutNode.getDoricContext().getDriver().getRegistry().onException(flowLayoutNode.getDoricContext(), e);
+        }
     }
 
     @Override

doric-android/doric/src/main/java/pub/doric/shader/horizontallist/HorizontalListAdapter.java

@@ -21,15 +21,14 @@ import android.text.TextUtils;
 import android.view.View;
 import android.view.ViewGroup;
 
-import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.RecyclerView;
-
 import com.github.pengfeizhou.jscore.JSArray;
 import com.github.pengfeizhou.jscore.JSDecoder;
 import com.github.pengfeizhou.jscore.JSNull;
 import com.github.pengfeizhou.jscore.JSObject;
 import com.github.pengfeizhou.jscore.JSValue;
 
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
 import pub.doric.async.AsyncResult;
 import pub.doric.shader.ViewNode;
 
@@ -49,6 +48,7 @@ class HorizontalListAdapter extends RecyclerView.Adapter<HorizontalListAdapter.D
     int itemCount = 0;
     int loadAnchor = -1;
     boolean loadMore = false;
+
     @NonNull
     @Override
     public DoricViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
@@ -59,6 +59,7 @@ class HorizontalListAdapter extends RecyclerView.Adapter<HorizontalListAdapter.D
 
     @Override
     public void onBindViewHolder(@NonNull DoricViewHolder holder, int position) {
+        try {
             JSValue jsValue = getItemModel(position);
             if (jsValue != null && jsValue.isObject()) {
                 JSObject jsObject = jsValue.asObject();
@@ -71,6 +72,9 @@ class HorizontalListAdapter extends RecyclerView.Adapter<HorizontalListAdapter.D
                     && !TextUtils.isEmpty(this.horizontalListNode.onLoadMoreFuncId)) {
                 callLoadMore();
             }
+        } catch (Exception e) {
+            horizontalListNode.getDoricContext().getDriver().getRegistry().onException(horizontalListNode.getDoricContext(), e);
+        }
     }
 
     @Override

doric-android/doric/src/main/java/pub/doric/shader/list/ListAdapter.java

@@ -21,15 +21,14 @@ import android.text.TextUtils;
 import android.view.View;
 import android.view.ViewGroup;
 
-import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.RecyclerView;
-
 import com.github.pengfeizhou.jscore.JSArray;
 import com.github.pengfeizhou.jscore.JSDecoder;
 import com.github.pengfeizhou.jscore.JSNull;
 import com.github.pengfeizhou.jscore.JSObject;
 import com.github.pengfeizhou.jscore.JSValue;
 
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
 import pub.doric.async.AsyncResult;
 import pub.doric.shader.ViewNode;
 
@@ -49,6 +48,7 @@ class ListAdapter extends RecyclerView.Adapter<ListAdapter.DoricViewHolder> {
     int itemCount = 0;
     int loadAnchor = -1;
     boolean loadMore = false;
+
     @NonNull
     @Override
     public DoricViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
@@ -59,6 +59,7 @@ class ListAdapter extends RecyclerView.Adapter<ListAdapter.DoricViewHolder> {
 
     @Override
     public void onBindViewHolder(@NonNull DoricViewHolder holder, int position) {
+        try {
             JSValue jsValue = getItemModel(position);
             if (jsValue != null && jsValue.isObject()) {
                 JSObject jsObject = jsValue.asObject();
@@ -71,6 +72,9 @@ class ListAdapter extends RecyclerView.Adapter<ListAdapter.DoricViewHolder> {
                     && !TextUtils.isEmpty(this.listNode.onLoadMoreFuncId)) {
                 callLoadMore();
             }
+        } catch (Exception e) {
+            listNode.getDoricContext().getDriver().getRegistry().onException(listNode.getDoricContext(), e);
+        }
     }
 
     @Override

doric-android/doric/src/main/java/pub/doric/shader/slider/SlideAdapter.java

@@ -20,15 +20,14 @@ import android.util.SparseArray;
 import android.view.View;
 import android.view.ViewGroup;
 
-import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.RecyclerView;
-
 import com.github.pengfeizhou.jscore.JSArray;
 import com.github.pengfeizhou.jscore.JSDecoder;
 import com.github.pengfeizhou.jscore.JSNull;
 import com.github.pengfeizhou.jscore.JSObject;
 import com.github.pengfeizhou.jscore.JSValue;
 
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
 import pub.doric.async.AsyncResult;
 import pub.doric.shader.ViewNode;
 
@@ -61,6 +60,7 @@ class SlideAdapter extends RecyclerView.Adapter<SlideAdapter.DoricViewHolder> {
 
     @Override
     public void onBindViewHolder(@NonNull DoricViewHolder holder, int position) {
+        try {
             JSValue jsValue = getItemModel(position);
             if (jsValue != null && jsValue.isObject()) {
                 JSObject jsObject = jsValue.asObject();
@@ -68,6 +68,9 @@ class SlideAdapter extends RecyclerView.Adapter<SlideAdapter.DoricViewHolder> {
                 holder.slideItemNode.reset();
                 holder.slideItemNode.blend(jsObject.getProperty("props").asObject());
             }
+        } catch (Exception e) {
+            sliderNode.getDoricContext().getDriver().getRegistry().onException(sliderNode.getDoricContext(), e);
+        }
     }
 
     @Override

doric-iOS/Pod/Classes/Shader/DoricFlowLayoutNode.m

@@ -459,6 +459,7 @@ - (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSe
 }
 
 - (__kindof UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
+    @try {
         NSUInteger position = (NSUInteger) indexPath.row;
         NSDictionary *model = [self itemModelAt:position];
         NSDictionary *props = model[@"props"];
@@ -494,6 +495,10 @@ - (__kindof UICollectionViewCell *)collectionView:(UICollectionView *)collection
         [node requestLayout];
         [self callItem:position size:node.view.frame.size];
         return cell;
+    } @catch (NSException *exception) {
+        [self.doricContext.driver.registry onException:exception inContext:self.doricContext];
+        return nil;
+    }
 }
 
 - (NSIndexPath *)collectionView:(UICollectionView *)collectionView targetIndexPathForMoveFromItemAtIndexPath:(NSIndexPath *)currentIndexPath toProposedIndexPath:(NSIndexPath *)proposedIndexPath {

doric-iOS/Pod/Classes/Shader/DoricHorizontalListNode.m

@@ -240,6 +240,7 @@ - (void)callLoadMore {
 }
 
 - (__kindof UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
+    @try {
         NSUInteger position = (NSUInteger) indexPath.row;
         NSDictionary *model = [self itemModelAt:position];
         NSDictionary *props = model[@"props"];
@@ -271,6 +272,10 @@ - (__kindof UICollectionViewCell *)collectionView:(UICollectionView *)collection
         [node requestLayout];
         [self callItem:position width:node.view.width];
         return cell;
+    } @catch (NSException *exception) {
+        [self.doricContext.driver.registry onException:exception inContext:self.doricContext];
+        return nil;
+    }
 }
 
 - (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout minimumInteritemSpacingForSectionAtIndex:(NSInteger)section {

doric-iOS/Pod/Classes/Shader/DoricListNode.m

@@ -242,6 +242,7 @@ - (void)callLoadMore {
 }
 
 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
+    @try {
         NSUInteger position = (NSUInteger) indexPath.row;
         NSDictionary *model = [self itemModelAt:position];
         NSDictionary *props = model[@"props"];
@@ -273,6 +274,10 @@ - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(N
         [node requestLayout];
         [self callItem:position height:node.view.height];
         return cell;
+    } @catch (NSException *exception) {
+        [self.doricContext.driver.registry onException:exception inContext:self.doricContext];
+        return nil;
+    }
 }
 
 - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {

doric-iOS/Pod/Classes/Shader/DoricSliderNode.m

@@ -177,6 +177,7 @@ - (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectio
 }
 
 - (__kindof UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
+    @try {
         NSUInteger position = (NSUInteger) indexPath.row;
         NSDictionary *model = [self itemModelAt:position];
         NSDictionary *props = model[@"props"];
@@ -195,6 +196,10 @@ - (__kindof UICollectionViewCell *)collectionView:(UICollectionView *)collection
         [node.view.doricLayout apply:CGSizeMake(collectionView.width, collectionView.height)];
         [node requestLayout];
         return cell;
+    } @catch (NSException *exception) {
+        [self.doricContext.driver.registry onException:exception inContext:self.doricContext];
+        return nil;
+    }
 }
 
 - (BOOL)collectionView:(UICollectionView *)collectionView shouldSelectItemAtIndexPath:(NSIndexPath *)indexPath {