您好,登錄后才能下訂單哦!
Spinner和DialogFragment是Android開(kāi)發(fā)中常用的兩個(gè)組件,它們可以結(jié)合使用來(lái)實(shí)現(xiàn)更豐富的交互效果。下面是一個(gè)示例代碼,演示了如何在DialogFragment中使用Spinner:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<Spinner
android:id="@+id/spinner"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="10dp"/>
<Button
android:id="@+id/btn_submit"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/spinner"
android:layout_alignParentEnd="true"
android:text="Submit"/>
</RelativeLayout>
public class SpinnerDialogFragment extends DialogFragment {
private Spinner spinner;
private Button btnSubmit;
private String[] data = {"Item 1", "Item 2", "Item 3", "Item 4"};
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.dialog_spinner, container, false);
spinner = view.findViewById(R.id.spinner);
btnSubmit = view.findViewById(R.id.btn_submit);
ArrayAdapter<String> adapter = new ArrayAdapter<>(getContext(), android.R.layout.simple_spinner_item, data);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(adapter);
btnSubmit.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String selectedItem = spinner.getSelectedItem().toString();
Toast.makeText(getContext(), "Selected Item: " + selectedItem, Toast.LENGTH_SHORT).show();
dismiss();
}
});
return view;
}
}
// 在Activity中調(diào)用
SpinnerDialogFragment dialogFragment = new SpinnerDialogFragment();
dialogFragment.show(getSupportFragmentManager(), "spinner_dialog");
通過(guò)以上步驟,我們就可以在DialogFragment中顯示一個(gè)Spinner,并且在點(diǎn)擊按鈕時(shí)獲取選中的Spinner項(xiàng)并顯示Toast提示。您也可以根據(jù)自己的需求對(duì)DialogFragment和Spinner進(jìn)行自定義和擴(kuò)展。
免責(zé)聲明:本站發(fā)布的內(nèi)容(圖片、視頻和文字)以原創(chuàng)、轉(zhuǎn)載和分享為主,文章觀點(diǎn)不代表本網(wǎng)站立場(chǎng),如果涉及侵權(quán)請(qǐng)聯(lián)系站長(zhǎng)郵箱:is@yisu.com進(jìn)行舉報(bào),并提供相關(guān)證據(jù),一經(jīng)查實(shí),將立刻刪除涉嫌侵權(quán)內(nèi)容。