Android RecyclerView以编程方式单击-performClick
我正在搜索以编程方式单击方法的函数。所以我找到了一些方法。”performClick()' 就像这样:Android RecyclerView以编程方式单击-performClick,android,android-recyclerview,Android,Android Recyclerview,我正在搜索以编程方式单击方法的函数。所以我找到了一些方法。”performClick()' 就像这样: recyclerView.findViewHolderForAdapterPosition(position).itemView.performClick(); 但对我来说不起作用。我找不到解决办法。如何使用performClick in活动 我的适配器-ViewHolder: public class ViewHolder extends RecyclerView.ViewHolder i
recyclerView.findViewHolderForAdapterPosition(position).itemView.performClick();
但对我来说不起作用。我找不到解决办法。如何使用performClick in活动
我的适配器-ViewHolder:
public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
private TextView virtNo;
private TextView score01;
private TextView score02;
private TextView score03;
private TextView totalScore;
private LinearLayout linearLayout;
public ViewHolder(View itemView) {
super(itemView);
this.virtNo = (TextView) itemView.findViewById(R.id.tv_virtNo);
this.score01 = (TextView) itemView.findViewById(R.id.tv_score01);
this.score02 = (TextView) itemView.findViewById(R.id.tv_score02);
this.score03 = (TextView) itemView.findViewById(R.id.tv_score03);
this.totalScore = (TextView) itemView.findViewById(R.id.tv_totalScore);
this.linearLayout = (LinearLayout) itemView.findViewById(R.id.ll_item_score);
virtNo.setOnClickListener(this);
score01.setOnClickListener(this);
score02.setOnClickListener(this);
score03.setOnClickListener(this);
score10.setOnClickListener(this);
}
@Override
public void onClick(View v) {
onClickListener.onClick(v, getAdapterPosition(), items.get(getAdapterPosition()));
}
}
public void setOnClickListener(OnClickListener<Score> onClickListener) {
this.onClickListener = onClickListener;
}
public interface OnClickListener<T> {
void onClick(View v, int position, T item);
}
我在这里尽量让事情简单易懂,这是在
RecyclerView
中收听单个项目点击事件的完整示例,还有其他方法。这段代码是有效的,您可以根据自己的情况修改它,以防您有任何问题,请将它们写在注释中。代码也可在
公共类RecycleServiceNoActivity扩展了AppCompativeActivity{
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity\u recycler\u view\u one);
初始化();
}
private void initializeUI(){
RecyclerView RecyclerView=(RecyclerView)findViewById(R.id.RecyclerViewNeActivity\u RecyclerView);
RecyclerView.LayoutManager linearLayoutManager=新的linearLayoutManager(此);
recyclerView.setLayoutManager(linearLayoutManager);
ArrayList字符串=新的ArrayList();
字符串。添加(“第一”);
字符串。添加(“第二”);
MyAdapter=新的MyAdapter(getApplicationContext(),字符串);
recyclerView.setAdapter(适配器);
}
私有类MyAdapter扩展了RecyclerView.Adapter{
私人语境;
私有数组列表字符串;
私人停车场停车场停车场停车场停车场停车场停车场停车场停车场停车场停车场停车场停车场停车场停车场停车场停车场停车场停车场;
公共MyAdapter(上下文、ArrayList字符串){
this.context=上下文;
this.strings=字符串;
layoutInflater=layoutInflater.from(this.context);
}
@凌驾
公共MyViewHolder onCreateViewHolder(视图组父级,int-viewType){
视图=布局平坦。充气(R.layout.single\u item\u recycler\u View\u one,parent,false);
MyViewHolder MyViewHolder=新的MyViewHolder(视图);
返回myViewHolder;
}
@凌驾
公共无效onBindViewHolder(MyViewHolder,int位置){
最终字符串文本=this.strings.get(位置);
holder.textView.setText(“+text”);
holder.linearLayout.setOnClickListener(新视图.OnClickListener(){
@凌驾
公共void onClick(视图v){
Toast.makeText(context,“+text,Toast.LENGTH_SHORT).show();
}
});
}
@凌驾
public int getItemCount(){
返回strings.size();
}
类MyViewHolder扩展了RecyclerView.ViewHolder{
私人线性布局线性布局;
私有文本视图文本视图;
公共MyViewHolder(查看项目视图){
超级(项目视图);
linearLayout=(linearLayout)itemView.findViewById(R.id.single\u item\u recycler\u view\u one\u linear\u layout);
textView=(textView)itemView.findViewById(R.id.single\u item\u recycler\u view\u one\u textView);
}
}
}
}
单个项目\u回收器\u视图\u one.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="8dp"
android:id="@+id/single_item_recycler_view_one_linear_layout"
android:orientation="vertical">
<TextView
android:id="@+id/single_item_recycler_view_one_textView"
android:layout_width="match_parent"
android:textColor="#000"
android:layout_height="wrap_content"
android:text="Text"
android:textAppearance="?android:attr/textAppearanceMedium" />
</LinearLayout>
谢谢Pankaj Nimgade,我会尝试的我解决了我的问题,但是。。。有点奇怪的方式。。。不管怎样,我解决了。。。这么艰难的生活…你是怎么解决的?我很想知道,因为我的英语写得不好,所以我不能向你解释。非常抱歉。。。现在我不明白我的代码。。ㅠㅠ 很抱歉……你能分享一下你是如何修复的吗?你不需要用英语写,只要用代码@Ryujihoon回答你的问题就行了
public class RecyclerViewOneActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_recycler_view_one);
initializeUI();
}
private void initializeUI() {
RecyclerView recyclerView = (RecyclerView) findViewById(R.id.RecyclerViewOneActivity_RecyclerView);
RecyclerView.LayoutManager linearLayoutManager = new LinearLayoutManager(this);
recyclerView.setLayoutManager(linearLayoutManager);
ArrayList<String> strings = new ArrayList<>();
strings.add("first");
strings.add("second");
MyAdapter adapter = new MyAdapter(getApplicationContext(), strings);
recyclerView.setAdapter(adapter);
}
private class MyAdapter extends RecyclerView.Adapter<MyAdapter.MyViewHolder> {
private Context context;
private ArrayList<String> strings;
private LayoutInflater layoutInflater;
public MyAdapter(Context context, ArrayList<String> strings) {
this.context = context;
this.strings = strings;
layoutInflater = LayoutInflater.from(this.context);
}
@Override
public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = layoutInflater.inflate(R.layout.single_item_recycler_view_one, parent, false);
MyViewHolder myViewHolder = new MyViewHolder(view);
return myViewHolder;
}
@Override
public void onBindViewHolder(MyViewHolder holder, int position) {
final String text = this.strings.get(position);
holder.textView.setText("" + text);
holder.linearLayout.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(context, ""+text, Toast.LENGTH_SHORT).show();
}
});
}
@Override
public int getItemCount() {
return strings.size();
}
class MyViewHolder extends RecyclerView.ViewHolder {
private LinearLayout linearLayout;
private TextView textView;
public MyViewHolder(View itemView) {
super(itemView);
linearLayout = (LinearLayout) itemView.findViewById(R.id.single_item_recycler_view_one_linear_layout);
textView = (TextView) itemView.findViewById(R.id.single_item_recycler_view_one_textView);
}
}
}
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="8dp"
android:id="@+id/single_item_recycler_view_one_linear_layout"
android:orientation="vertical">
<TextView
android:id="@+id/single_item_recycler_view_one_textView"
android:layout_width="match_parent"
android:textColor="#000"
android:layout_height="wrap_content"
android:text="Text"
android:textAppearance="?android:attr/textAppearanceMedium" />
</LinearLayout>