如果公司不是特殊要求,尽量还是使用系统原生的控件,维持一个好的生态,而不是闭着眼睛抄iOS效果。
直接上代码:
import android.os.Bundle;
import android.view.View;
import android.widget.Toast;
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
public class DialogDemoActivity extends AppCompatActivity {
private AlertDialog alertDialog1; //信息框
private AlertDialog alertDialog2; //单选框
private AlertDialog alertDialog3; //多选框
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_dialog_demo);
}
public void showList(View view) {
String[] items = {"列表1", "列表2", "列表3", "列表4"};
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("普通列表对话框");
builder.setItems(items, (dialogInterface, i) -> {
Toast.makeText(DialogDemoActivity.this, items[i], Toast.LENGTH_SHORT).show();
alertDialog1.dismiss();
});
alertDialog1 = builder.create();
alertDialog1.show();
}
public void showSingleAlertDialog(View view) {
String[] items = {"单选1", "单选2", "单选3", "单选4"};
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("单选列表对话框");
builder.setSingleChoiceItems(items, 0, (dialogInterface, i) ->
Toast.makeText(DialogDemoActivity.this, items[i], Toast.LENGTH_SHORT).show());
builder.setPositiveButton("确定", (dialogInterface, i) -> alertDialog2.dismiss());
builder.setNegativeButton("取消", (dialogInterface, i) -> alertDialog2.dismiss());
alertDialog2 = builder.create();
alertDialog2.show();
}
public void showMutiAlertDialog(View view) {
String[] items = {"多选1", "多选2", "多选3", "多选4"};
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("多选列表对话框");
builder.setMultiChoiceItems(items, null, (dialogInterface, i, isChecked) -> {
// 处理选中和取消选中的事件
if (isChecked) {
Toast.makeText(DialogDemoActivity.this, "选择" + items[i], Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(DialogDemoActivity.this, "取消选择" + items[i], Toast.LENGTH_SHORT).show();
}
});
builder.setPositiveButton("确定", (dialogInterface, i) -> alertDialog3.dismiss());
builder.setNegativeButton("取消", (dialogInterface, i) -> alertDialog3.dismiss());
alertDialog3 = builder.create();
alertDialog3.show();
}
}
简单布局添加点击事件绑定:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<Button
android:id="@+id/button1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:onClick="showList"
android:text="列表框" />
<Button
android:id="@+id/button2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:onClick="showSingleAlertDialog"
android:text="单选列表" />
<Button
android:id="@+id/button3"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:onClick="showMutiAlertDialog"
android:text="多选按钮" />
</LinearLayout>
Android 原生列表对话框实现
本文介绍如何在Android中使用原生列表对话框(Dialog)进行单选和多选操作,强调遵循系统控件使用以维护良好的生态环境。
1万+

被折叠的 条评论
为什么被折叠?



