如何在AlertDialog内部获取自定义列表视图的点击项的值？
如何在AlertDialog内部获取自定义列表视图的点击项的值？
提问于 2018-06-30 23:10:51
我已经在AlertDialog内创建了一个自定义列表视图，并通过解析列表来设置数据。我需要获取被单击的行的单个对象的被单击的值。但是listView.setOnItemClickListener不起作用。我试着解决这个问题，但找不到方法。请帮我解决这个问题。
感谢..
以下是我的代码
AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
builder.setTitle("Select A Customer");
//insert array to constructor
LayoutInflater inflater = getActivity().getLayoutInflater();
View dialogLayout = inflater.inflate(R.layout.product_list_pop_up, null);
final CustomerPopupAdapter testAdapter = new CustomerPopupAdapter(getContext(), customers_data);
ListView listView = dialogLayout.findViewById(R.id.product_list_view);
TextView cancel_btn = dialogLayout.findViewById(R.id.cancel_btn);
TextView done_btn = dialogLayout.findViewById(R.id.done_btn);
listView.setAdapter(testAdapter);
builder.setView(dialogLayout);
final AlertDialog alert = builder.create();
alert.show();
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Log.d("selected Item", "ListView ");
// customerName = testAdapter.getItem(position);
// customer_name.setText((CharSequence) testAdapter.getItem(position));
alert.dismiss();
}
});
alert.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
WindowManager.LayoutParams lp = new WindowManager.LayoutParams();
cancel_btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
alert.dismiss();
}
});
done_btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
alert.dismiss();
}
});这是我的适配器
public class CustomerPopupAdapter extends ArrayAdapter<Customer> {
private List<Customer> list;
public CustomerPopupAdapter(Context context, List<Customer> test) {
super(context, R.layout.discount_popup_row, test);
this.list = test;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
LayoutInflater inflater = LayoutInflater.from(getContext());
final Customer customer = list.get(position);
View customRow = inflater.inflate(R.layout.customer_popup_row, parent, false);
TextView customer_name = customRow.findViewById(R.id.customer_name);
TextView customer_id = customRow.findViewById(R.id.customer_id);
customer_id.setText(customer.getId());
customer_name.setText(customer.getName());
return customRow;
}
}这是custom_row.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/match_result"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="@dimen/activity_margin_10dp"
android:weightSum="3">
<TextView
android:id="@+id/customer_name"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginRight="10dp"
android:text="Username"
android:inputType="text"
android:layout_weight="1"
android:textColor="@color/colorBlack"
android:textSize="@dimen/text_size_18sp" />
<TextView
android:id="@+id/customer_id"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginRight="10dp"
android:text="id"
android:inputType="text"
android:layout_weight="2"
android:textColor="@color/colorBlack"
android:textSize="@dimen/text_size_18sp" />
</LinearLayout>
<View
android:id="@+id/bottom_border"
android:layout_width="match_parent"
android:layout_height="0.8dp"
android:layout_marginTop="@dimen/activity_margin_5dp"
android:background="@color/colorGrey" />
</LinearLayout>回答 5
Stack Overflow用户
回答已采纳
发布于 2018-08-09 12:01:33
实际上，这就是这个问题的答案。我已经在代码中添加了android: inputType="text"。这是问题所在。我去掉了它，然后它就完美地工作了。
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/match_result"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="@dimen/activity_margin_10dp"
android:weightSum="3">
<TextView
android:id="@+id/customer_name"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginRight="10dp"
android:text="Username"
android:layout_weight="1"
android:textColor="@color/colorBlack"
android:textSize="@dimen/text_size_18sp" />
<TextView
android:id="@+id/customer_id"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginRight="10dp"
android:text="id"
android:layout_weight="2"
android:textColor="@color/colorBlack"
android:textSize="@dimen/text_size_18sp" />
</LinearLayout>
<View
android:id="@+id/bottom_border"
android:layout_width="match_parent"
android:layout_height="0.8dp"
android:layout_marginTop="@dimen/activity_margin_5dp"
android:background="@color/colorGrey" />
</LinearLayout>答案是由"I_A_Mok“给出的，所有的荣誉都应该归功于他。
Stack Overflow用户
发布于 2018-06-30 23:17:46
使用您的customers_data列表获取单击的值。
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Log.d("selected Item", customers_data.get(position));
alert.dismiss();
}
});Stack Overflow用户
发布于 2018-06-30 23:19:31
你我不确定为什么你的代码不能工作，如果你可以张贴的项目，将是非常非常有帮助或至少整个活动，所以这是如何你可以轻松地显示列表在警告框中。
// setup the alert builder
AlertDialog.Builder builder = new AlertDialog.Builder(context);
builder.setTitle("Choose an animal");
// add a list
String[] animals = {"horse", "cow", "camel", "sheep", "goat"};
builder.setItems(animals, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
switch (which) {
case 0: // horse
case 1: // cow
case 2: // camel
case 3: // sheep
case 4: // goat
}
}
});
// create and show the alert dialog
AlertDialog dialog = builder.create();
dialog.show();页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/51116115
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