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Java 由于容器本身上的“单击侦听器”,无法在“回收器”视图中处理对项目的单击_Java_Android_Xml_Android Recyclerview - Fatal编程技术网

Java 由于容器本身上的“单击侦听器”,无法在“回收器”视图中处理对项目的单击

Java 由于容器本身上的“单击侦听器”,无法在“回收器”视图中处理对项目的单击,java,android,xml,android-recyclerview,Java,Android,Xml,Android Recyclerview,我有一个关于RecyclerView的活动,列表中的每个项目如下所示。星星应该是可点击的,当用户点击它时,它将被更改为暗星。如果用户单击列表项,则会进入一个新活动,其中会提供与所选列表项对应的更多详细信息: 这是列表项的XML <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="

我有一个关于RecyclerView的活动,列表中的每个项目如下所示。星星应该是可点击的,当用户点击它时,它将被更改为暗星。如果用户单击列表项,则会进入一个新活动,其中会提供与所选列表项对应的更多详细信息:

这是列表项的XML

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/cont_item_root"
android:layout_width="match_parent"
android:layout_height="85dp"
android:background="@drawable/background_state_drawable"
android:clickable="true"
>

<ImageView
    android:id="@+id/im_item_icon"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:paddingLeft="16dp"
    android:src="@mipmap/ic_tonality_black_36dp"
    android:layout_centerVertical="true"
    android:layout_alignParentLeft="true"
    android:layout_alignParentStart="true" />

<TextView
    android:id="@+id/lbl_item_text"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_alignTop="@+id/im_item_icon"
    android:layout_marginLeft="72dp"
    android:layout_marginRight="48dp"
    android:ellipsize="end"
    android:fontFamily="sans-serif"
    android:singleLine="true"
    android:text="Sois comme l'eau mon ami"
    android:textColor="@android:color/black"
    android:textSize="16sp" />

<TextView
    android:id="@+id/lbl_item_sub_title"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_below="@+id/lbl_item_text"
    android:layout_marginLeft="72dp"
    android:layout_marginRight="48dp"
    android:ellipsize="end"
    android:fontFamily="sans-serif"
    android:singleLine="true"
    android:text="Mononc' J"
    android:textSize="14sp" />

<ImageView
    android:id="@+id/im_item_icon_secondary"
    android:layout_width="wrap_content"
    android:layout_height="match_parent"
    android:layout_alignParentRight="true"
    android:layout_centerVertical="true"
    android:padding="16dp"
    android:src="@mipmap/ic_star_border_black_24dp"
    android:background="@drawable/background_state_drawable"
    />

</RelativeLayout>
如果,我可以输入
的第一部分,即我可以接收listItem click的click事件。但是,当用户单击星号时,它也被视为整个列表项被单击,因为星号位于容器内

我如何单独接收点击星型,以便点击星型不被视为点击列表项

编辑


在列表项的
RelativeLayout
中添加行
android:genderantfocusability=“blocksDescendants”
修复了该问题。但谁能解释一下它是如何修复的。根据名称,它将阻止子体并吃掉单击事件。但是,行为正好相反。

反转if/else语句,并为星形图像添加一个单击侦听器。它应该可以工作,因为如果没有单击星号,您希望触发recyclerview项的侦听器

class DerpHolder extends RecyclerView.ViewHolder implements View.OnClickListener
    {
        private TextView title;
        private TextView subTitle;
        private ImageView thumbnail;
        private ImageView secondaryIcon;
        private View container;

        public DerpHolder(View itemView) {
            super(itemView);

            title = (TextView)itemView.findViewById(R.id.lbl_item_text);
            subTitle = (TextView)itemView.findViewById(R.id.lbl_item_sub_title);
            thumbnail = (ImageView)itemView.findViewById(R.id.im_item_icon);
            secondaryIcon = (ImageView)itemView.findViewById(R.id.im_item_icon_secondary);
            container = (View)itemView.findViewById(R.id.cont_item_root);
            container.setOnClickListener(this);
            secondaryIcon.setOnClickListener(this);
        }

        @Override
        public void onClick(View v) {
            Log.w("RecyclerView","Item with id : " + v.getId() + " touched");
            if(v.getId() == R.id.im_item_icon_secondary)
            {
                Log.w("RecyclerView","star clicked");
                itemClickCallback.onSecondaryIconClick(getAdapterPosition());
            }
            else
            {
                Log.w("RecyclerView","list item clicked");
                itemClickCallback.onItemClick(getAdapterPosition());
            }
        }
    }

希望这对您有所帮助

因为您只想点击星号,您应该为星号设置OnClickListener:

public DerpHolder(View itemView) {
        super(itemView);

        title = (TextView)itemView.findViewById(R.id.lbl_item_text);
        subTitle = (TextView)itemView.findViewById(R.id.lbl_item_sub_title);
        thumbnail = (ImageView)itemView.findViewById(R.id.im_item_icon);
        secondaryIcon = (ImageView)itemView.findViewById(R.id.im_item_icon_secondary);
        secondaryIcon.setOnClickListener(this);
    }

您忘记将
onClick
listener添加到
secondary图标中

试试这个:

class DerpHolder extends RecyclerView.ViewHolder implements View.OnClickListener
{
    private TextView title;
    private TextView subTitle;
    private ImageView thumbnail;
    private ImageView secondaryIcon;
    private View container;

    public DerpHolder(View itemView) {
        super(itemView);

        title = (TextView)itemView.findViewById(R.id.lbl_item_text);
        subTitle = (TextView)itemView.findViewById(R.id.lbl_item_sub_title);
        thumbnail = (ImageView)itemView.findViewById(R.id.im_item_icon);
        secondaryIcon = (ImageView)itemView.findViewById(R.id.im_item_icon_secondary);
        container = (View)itemView.findViewById(R.id.cont_item_root);

        container.setOnClickListener(this);
        secondaryIcon.setOnClickListener(this);    
    }

    @Override
    public void onClick(View v) {
        if(v.getId() == secondaryIcon.getId())
        {
            Log.w("RecyclerView","star clicked");
            itemClickCallback.onSecondaryIconClick(getAdapterPosition()); 
        }
        else
        {
            Log.w("RecyclerView","list item clicked");
            itemClickCallback.onItemClick(getAdapterPosition());
        }
    }
}

希望这会有所帮助~

您也可以在recycler adapter类中为以下行的特定视图声明onclick项

@Override
public void onBindViewHolder(ViewHolder holder, final int position) {
        // - get element from your dataset at this position
        // - replace the contents of the view with that element

        holder.linRootMain.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                //Do your stuff here.
            }
        });

        holder.imgStart.setOnClickListner(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                //Do your stuff here.
            }
        });
}

我希望这将对您有所帮助。

可能是重复的或更好的。。。这仅在实际将单击侦听器添加到image@cricket_007谢谢你指出这一点!我以为是加上去的
@Override
public void onBindViewHolder(ViewHolder holder, final int position) {
        // - get element from your dataset at this position
        // - replace the contents of the view with that element

        holder.linRootMain.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                //Do your stuff here.
            }
        });

        holder.imgStart.setOnClickListner(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                //Do your stuff here.
            }
        });
}