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Java Android:ListView“;setOnItemSelectedListener“;不起作用_Java_Android_Listview_Layout - Fatal编程技术网

Java Android:ListView“;setOnItemSelectedListener“;不起作用

Java Android:ListView“;setOnItemSelectedListener“;不起作用,java,android,listview,layout,Java,Android,Listview,Layout,我的android程序中有一个ListView(字符串数组中预定义的一组引号),当选择一个项目时,它似乎不起作用。ListView已填充,但从未调用我的onClickListener中的toast消息。我不确定这里有什么问题。我以前从未遇到过这个问题 这是我的onCreate方法 protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setC

我的android程序中有一个ListView(字符串数组中预定义的一组引号),当选择一个项目时,它似乎不起作用。ListView已填充,但从未调用我的onClickListener中的toast消息。我不确定这里有什么问题。我以前从未遇到过这个问题

这是我的onCreate方法

protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main); 
        listView = (ListView)findViewById(R.id.listView);
        List<String> quotesList = new ArrayList<String>(Arrays.asList(quotes));
        ArrayAdapter arrayAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, quotesList);
        listView.setAdapter(arrayAdapter);  
        listView.setOnItemSelectedListener(new ListView.OnItemSelectedListener(){
            @Override
            public void onItemSelected(AdapterView<?> parentView, View selectedItemView, int position, long id) {
                Toast.makeText(getApplicationContext(), "Toast", Toast.LENGTH_SHORT).show();
            }
            @Override
            public void onNothingSelected(AdapterView<?> parentView) {}
        });
    }
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
listView=(listView)findViewById(R.id.listView);
List quotesList=newarraylist(Arrays.asList(quotes));
ArrayAdapter ArrayAdapter=新的ArrayAdapter(这是android.R.layout.simple_list_item_1,quotesList);
setAdapter(arrayAdapter);
listView.setOnItemSelectedListener(新listView.OnItemSelectedListener(){
@凌驾
已选择公共视图(AdapterView父视图、视图selectedItemView、整型位置、长id){
Toast.makeText(getApplicationContext(),“Toast”,Toast.LENGTH_SHORT).show();
}
@凌驾
未选择的公共无效(AdapterView父视图){}
});
}
这是我的活动_main.xml

<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#b2cfff"
    tools:context="com.examples.myteststuff.listviews.MainActivity">
    <LinearLayout
        android:layout_width="368dp"
        android:layout_height="495dp"
        android:layout_marginBottom="8dp"
        android:layout_marginEnd="8dp"
        android:layout_marginStart="8dp"
        android:layout_marginTop="8dp"
        android:orientation="vertical"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">
        <ImageView
            android:id="@+id/imageView"
            android:layout_width="match_parent"
            android:src="@drawable/icon"
            android:layout_height="wrap_content" />
        <ListView
            android:layout_width="match_parent"
            android:id="@+id/listView"
            android:background="@drawable/border"
            android:layout_marginHorizontal="8dp"
            android:layout_marginVertical="8dp"
            android:layout_height="match_parent"/>
    </LinearLayout>
</android.support.constraint.ConstraintLayout>

尝试使用
setOnItemClickListener

    list.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
               Toast.makeText(getApplicationContext(), "Toast", Toast.LENGTH_SHORT).show();
            }
        });
list.setOnItemClickListener(新的AdapterView.OnItemClickListener(){
@凌驾
公共无效onItemClick(AdapterView AdapterView、View视图、int i、long l){
Toast.makeText(getApplicationContext(),“Toast”,Toast.LENGTH_SHORT).show();
}
});

希望这有帮助

日志文件中有错误吗?没有。没有错误。当您设置OnItemClickListener时会发生什么?我想
setOnItemSelectedListener
可以在
spinners
上工作,您是否尝试过
setOnItemClickListener
?是的。谢谢