Android实现弹出列表、单选、多选框

2024-01-28 01:03| 来源: 网络整理| 查看: 265

本文实例为大家分享了Android实现弹出列表、单选、多选框的具体代码，供大家参考，具体内容如下

效果图如下：在这里插入图片描述

在这里插入图片描述

需要建一个menu xml布局如下：

Java代码如下：

import android.content.DialogInterface; import android.support.v7.app.AlertDialog; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.Menu; import android.view.View; import android.widget.Button; import android.widget.Toast; public class MainActivity extends AppCompatActivity { private AlertDialog alertDialog1; //信息框 private AlertDialog alertDialog2; //单选框 private AlertDialog alertDialog3; //多选框 private Button button1; private Button button2; private Button button3; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); init(); } public void init(){ button1 = (Button) findViewById(R.id.button1); button2 = (Button) findViewById(R.id.button2); button3 = (Button) findViewById(R.id.button3); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.mian, menu); return true; } public void showList(View view){ final String[] items = {"列表1", "列表2", "列表3", "列表4"}; AlertDialog.Builder alertBuilder = new AlertDialog.Builder(this); alertBuilder.setTitle("这是列表框"); alertBuilder.setItems(items, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialogInterface, int i) { Toast.makeText(MainActivity.this, items[i], Toast.LENGTH_SHORT).show(); alertDialog1.dismiss(); } }); alertDialog1 = alertBuilder.create(); alertDialog1.show(); } public void showSingleAlertDialog(View view){ final String[] items = {"单选1", "单选2", "单选3", "单选4"}; AlertDialog.Builder alertBuilder = new AlertDialog.Builder(this); alertBuilder.setTitle("这是单选框"); alertBuilder.setSingleChoiceItems(items, 0, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialogInterface, int i) { Toast.makeText(MainActivity.this, items[i], Toast.LENGTH_SHORT).show(); } }); alertBuilder.setPositiveButton("确定", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialogInterface, int i) { alertDialog2.dismiss(); } }); alertBuilder.setNegativeButton("取消", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialogInterface, int i) { alertDialog2.dismiss(); } }); alertDialog2 = alertBuilder.create(); alertDialog2.show(); } public void showMutilAlertDialog(View view){ final String[] items = {"多选1", "多选2", "多选3", "多选4"}; AlertDialog.Builder alertBuilder = new AlertDialog.Builder(this); alertBuilder.setTitle("这是多选框"); /** *第一个参数:弹出框的消息集合，一般为字符串集合 * 第二个参数：默认被选中的，布尔类数组 * 第三个参数：勾选事件监听 */ alertBuilder.setMultiChoiceItems(items, null, new DialogInterface.OnMultiChoiceClickListener() { @Override public void onClick(DialogInterface dialogInterface, int i, boolean isChecked) { if (isChecked){ Toast.makeText(MainActivity.this, "选择" + items[i], Toast.LENGTH_SHORT).show(); }else { Toast.makeText(MainActivity.this, "取消选择" + items[i], Toast.LENGTH_SHORT).show(); } } }); alertBuilder.setPositiveButton("确定", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialogInterface, int i) { alertDialog3.dismiss(); } }); alertBuilder.setNegativeButton("取消", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialogInterface, int i) { alertDialog3.dismiss(); } }); alertDialog3 = alertBuilder.create(); alertDialog3.show(); } }

参考 https://www.jb51.net/article/149742.htm https://www.cnblogs.com/duoshou/articles/8622551.html

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