How do I change the color of the cardview after a longclick on it?

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How do I change the color of the cardview after a longclick on it?

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#1 by (1 votes)

0

HowdoImakeithappen?

Iwouldliketoaftera%w/w%w/w%w/witscolorchangedindicatingwhichone(s)Iselected!

publicstaticclassViewHolderextendsRecyclerView.ViewHolderimplementsView.OnClickListener,View.OnLongClickListener{ViewselectedOverlay;/*...*/}publicViewHolder(ViewitemView){selectedOverlay=itemView.findViewById(R.id.selected_overlay);}@OverridepublicvoidonBindViewHolder(ViewHolderholder,intposition){finalItemitem=items.get(position);//Highlighttheitemifit'sselectedholder.selectedOverlay.setVisibility(isSelected(position)?View.VISIBLE:View.INVISIBLE);}

<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.CardView
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:foreground="?android:attr/selectableItemBackground"
    app:cardUseCompatPadding="true" >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        android:padding="8dp" >

        <TextView
            android:id="@+id/title"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:singleLine="true"
            style="@style/Base.TextAppearance.AppCompat.Headline" />

        <TextView
            android:id="@+id/subtitle"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="1"
            style="@style/Base.TextAppearance.AppCompat.Subhead" />

    </LinearLayout>

    <View
        android:id="@+id/selected_overlay"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@color/dim_foreground_disabled_material_dark"
        android:visibility="invisible" />

</android.support.v7.widget.CardView>

android android-layout

asked by anonymous 03.03.2015 / 15:02

1 answer

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score 1 · Answer 1

Have you tried this?

 <--your object-->.setOnLongClickListener(new View.OnLongClickListener() {

    //<--your object-->deve ser substituido pelo cardview em que se faz o clik.
    @Override
    public boolean onLongClick(View v) {

    //muda cor do cardview
    return true;

    }