如何在android中设置ListView选定项alternet文本颜色

如何在android中设置ListView选定项alternet文本颜色,android,android-listview,Android,Android Listview,我有一个带有imageview和textview的自定义列表视图。我想当用户选择一个项目时,文本视图的颜色应该改变,所有其他文本视图应该保持默认 这是我的XML ListView.xml ListViewItems.xml 为listView实现setOnItemClickListener listView.setOnItemClickListener(new OnItemClickListener() { @Override public void onI

我有一个带有imageview和textview的自定义列表视图。我想当用户选择一个项目时,文本视图的颜色应该改变,所有其他文本视图应该保持默认

这是我的XML

ListView.xml

ListViewItems.xml
为listView实现
setOnItemClickListener

listView.setOnItemClickListener(new OnItemClickListener() {

        @Override
        public void onItemClick(AdapterView<?> adapterView, View view, int position,
                long arg3) {
            RelativeLayout relativeLayout = (RelativeLayout) view.getParent();
            TextView textView = (TextView) relativeLayout.getChildAt(0);
            ImageView imaegView = (ImageView) relativeLayout.getChildAt(1);

            textView.setTextColor(Color.RED);
           // Perform whatever action for your textView and imageView


        }

    });
listView.setOnItemClickListener(新的OnItemClickListener(){
@凌驾
public void onItemClick(AdapterView AdapterView、View视图、int位置、,
长arg3){
RelativeLayout RelativeLayout=(RelativeLayout)视图。getParent();
TextView TextView=(TextView)relativeLayout.getChildAt(0);
ImageView ImageView=(ImageView)relativeLayout.getChildAt(1);
textView.setTextColor(Color.RED);
//对textView和imageView执行任何操作
}
});

在drawable中创建以下按钮\u text.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_pressed="true"
          android:color="#ffff0000"/> <!-- pressed -->
    <item android:state_focused="true"
          android:color="#ff0000ff"/> <!-- focused -->
    <item android:color="#ff000000"/> <!-- default -->
</selector>

将文本视图的textColor更改为:

  <TextView
        android:id="@+id/txt_bell_title"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_centerVertical="true"
        android:text="@string/rihanna_love_the_way_lie"
        android:textColor="@color/button_text" //point to that xml
        android:textSize="15sp"
        android:textStyle="bold"
        android:typeface="sans" />


您可以阅读有关颜色状态列表的内容,您必须为特定的ImageView设置OnClickListener,然后在Adapter类中单击ImageView更改TextView的颜色。
或者

mList.setOnItemClickListener(new OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int pos, long id) {
            TextView tv= view.findViewById(resID); 
            tv.setTextColor(color)
        }
    });
mList.setOnItemClickListener(新的OnItemClickListener(){
@凌驾
public void onItemClick(AdapterView父项、视图、整数位置、长id){
TextView tv=view.findviewbyd(resID);
tv.setTextColor(彩色)
}
});

正如其他人所说,只需在您的onItemClick方法中更改颜色即可。此外:

@Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        selectItem(position);


        setItemNormal();
        View rowView = view;
        setItemSelected(rowView);

    }

public void setItemSelected(View view){
    View rowView = view;
    TextView tv = (TextView)rowView.findViewById(android.R.id.text1);
    tv.setTextColor(Color.BLUE);
}

public void setItemNormal()
{
    for (int i=0; i< mDrawerList.getChildCount(); i++)
    {
        View v = mDrawerList.getChildAt(i);
        //TextView txtview = ((TextView) v.findViewById(R.id.menurow_title));
        TextView txtview = ((TextView)v.findViewById(android.R.id.text1));
        txtview.setTextColor(Color.BLACK);
    }
}
@覆盖
public void onItemClick(AdapterView父对象、视图、整型位置、长id){
选择项目(位置);
setItemNormal();
视图行视图=视图;
setItemSelected(行视图);
}
已选择公共void setItemSelected(视图){
视图行视图=视图;
TextView tv=(TextView)rowView.findViewById(android.R.id.text1);
tv.setTextColor(Color.BLUE);
}
公共void setItemNormal()
{
for(int i=0;i

通过这样做,我们将所有项目设置为正常,然后再按每个项目。在多次尝试在导航视图中设置颜色后,我找到了在listview中设置文本颜色的最简单方法,也许这会对某些人有所帮助

res/color/listview\u selector.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
    <!-- This is used when the navigation item is selected -->
    <item android:state_enabled="true"
        android:state_activated="true" android:color="@color/colorAccent" />
    <!-- This is the default text color -->
    <item
        android:color="@android:color/black" />
</selector>

并将文本视图设置为android:textColor

<TextView
    android:id="@+id/tvItem"
    android:layout_width="0dp"
    android:layout_height="wrap_content"
    android:layout_marginStart="@dimen/activity_vertical_extra_margin"
    android:textColor="@color/listview_selector"
    android:textSize="@dimen/text_size_normal"
    app:layout_constraintStart_toStartOf="parent"
    app:layout_constraintEnd_toEndOf="parent"
    tools:text="Row item text" />


问题出在正确的状态下,在导航视图中使用android:state_activated
,但如何将其他项更改为默认颜色以下代码对我有效:
文件需要为res/color,而不是res/drawable每次点击时都必须迭代所有项,这是一种不好的做法。只需使用内置的功能。
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
    <!-- This is used when the navigation item is selected -->
    <item android:state_enabled="true"
        android:state_activated="true" android:color="@color/colorAccent" />
    <!-- This is the default text color -->
    <item
        android:color="@android:color/black" />
</selector>
<TextView
    android:id="@+id/tvItem"
    android:layout_width="0dp"
    android:layout_height="wrap_content"
    android:layout_marginStart="@dimen/activity_vertical_extra_margin"
    android:textColor="@color/listview_selector"
    android:textSize="@dimen/text_size_normal"
    app:layout_constraintStart_toStartOf="parent"
    app:layout_constraintEnd_toEndOf="parent"
    tools:text="Row item text" />