[英]Disable Touch of inner RecyclerView
我是 RecyclerView 的新手,我想像 Listview 一樣實現 OnItemClickListner。 為此,我使用以下代碼。
public static class ViewHolder extends RecyclerView.ViewHolder {
public RecyclerView recyclerView;
public ViewHolder(View itemView) {
super(itemView);
recyclerView = (RecyclerView) itemView.findViewById(R.id.recycleViewIngredient);
itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//Item Click Listner
}
});
}
}
最簡單的方法是創建自己的RecyclerView
,覆蓋onTouchEvent
並在您的 XML 布局或代碼中使用它。
public class MyDisabledRecyclerView extends RecyclerView {
public MyDisabledRecyclerView(Context context) {
super(context);
}
public MyDisabledRecyclerView(Context context, @Nullable AttributeSet attrs) {
super(context, attrs);
}
public MyDisabledRecyclerView(Context context, @Nullable AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
@Override
public boolean onTouchEvent(MotionEvent e) {
return false;
}
}
然后您可以在其他地方重新使用該小部件,而無需任何額外的邏輯。
如果您單擊了父 recyclerView 中的某個項目,則取一個靜態變量並將其設置為 false。 現在使用這個標志
如果(父母)
{
//設置視圖的監聽器
}
現在沒有為您的孩子 recyclerview 設置監聽器來響應
您必須使用帶有內部 RecycleView 類的接口將它的 clickListener 放入父 RecycleView 類中。這將起作用。
這是示例
public class MainActivity extends AppCompatActivity {
RecyclerView recyclerView;
ArrayList<String> strings ;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
recyclerView = (RecyclerView) findViewById(R.id.recyclerView);
strings = new ArrayList<>();
strings.add("A");
strings.add("B");
strings.add("C");
strings.add("D");
strings.add("E");
strings.add("F");
recyclerView.setLayoutManager(new LinearLayoutManager(getApplicationContext(), LinearLayoutManager.HORIZONTAL,false));
recyclerView.setAdapter(new MyAdapter(strings));
recyclerView.setClickable(true);
}
}
和父適配器是
public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> {
ArrayList<String> strings;
public MyAdapter(ArrayList<String> strings) {
this.strings=strings;
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
final View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.adapter, parent, false);
view.setLayoutParams(new ViewGroup.LayoutParams(200,200));
return new ViewHolder(view);
}
@Override
public void onBindViewHolder(final ViewHolder holder, int position) {
holder.textView.setText(strings.get(position));
holder.recyclerView.setLayoutManager(new LinearLayoutManager(holder.recyclerView.getContext(), LinearLayoutManager.VERTICAL, false));
holder.recyclerView.setAdapter(new MyChildAdapter(strings, new setOnClick() {
@Override
public void setOnClick() {
Toast.makeText(holder.itemView .getContext(),"FF F",Toast.LENGTH_SHORT).show();
}
}));
}
@Override
public int getItemCount() {
return strings.size();
}
static class ViewHolder extends RecyclerView.ViewHolder {
TextView textView;
RecyclerView recyclerView;
public ViewHolder(final View view) {
super(view);
textView = (TextView) view.findViewById(R.id.textView);
recyclerView = (RecyclerView)view. findViewById(R.id.recyclerView);
view.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(view.getContext(),"FFF",Toast.LENGTH_SHORT).show();
}
});
}
}
}
和 ChildAdapter 是
public class MyChildAdapter extends RecyclerView.Adapter<MyChildAdapter.ViewHolder> {
ArrayList<String> strings;
static setOnClick setOnClick;
public MyChildAdapter(ArrayList<String> strings, setOnClick setOnClick) {
this.strings=strings;
this.setOnClick = setOnClick;
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
final View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.adapter, parent, false);
view.setLayoutParams(new ViewGroup.LayoutParams(100,100));
return new ViewHolder(view);
}
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
holder.textView.setText(strings.get(position));
}
@Override
public int getItemCount() {
return strings.size();
}
static class ViewHolder extends RecyclerView.ViewHolder {
TextView textView;
public ViewHolder(View view) {
super(view);
textView = (TextView) view.findViewById(R.id.textView);
/* view.setClickable(false);
view.setFocusable(false);
view.setEnabled(false);*/
view.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
setOnClick.setOnClick();
}
});
}
}
}
和接口是
interface setOnClick{
void setOnClick();
}
和 adapter.xml 布局是
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent"
android:clickable="false">
<TextView
android:id="@+id/textView"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:background="#fff"
android:padding="10dp"
android:textSize="30dp"
android:clickable="false"
/>
<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerView"
android:layout_height="match_parent"
android:layout_width="100dp"
/>
</LinearLayout>
嘗試:
viewHolder.someInnerRecyclerView.suppressLayout(true);
viewHolder.someInnerRecyclerView.setFocusable(false);
viewHolder.someInnerRecyclerView.setClickable(false);
使用它來禁用用戶交互
mRecyclerView.suppressLayout(true)
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