android中的单选和多选框

本文主要介绍了 android中列表选项，单项选项，多项选型对话框的使用，其使用方法的代码如下：

  

package com.demo.lc;  
 
 
import android.app.Activity;  
import android.app.AlertDialog;  
import android.content.DialogInterface;  
import android.os.Bundle;  
import android.view.View;  
import android.view.View.OnClickListener;  
import android.view.Window;  
import android.view.WindowManager;  
import android.widget.Button;  
import android.widget.Toast;  
 
public class DialogExercise extends Activity implements OnClickListener {  
    private Button btn_item, btn_singleitem, btn_mutiplyitem;  
    private String[] str = new String[5];  
    private AlertDialog mDialog = null;  
    private int mSelectedItem = 0;  
    private boolean[] init = new boolean[] { false, true, false, false, false };  
    private boolean[] mtemp = new boolean[5];  
 
    @Override 
    public void onCreate(Bundle savedInstanceState) {  
        super.onCreate(savedInstanceState);  
        super.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,  
                WindowManager.LayoutParams.FLAG_FULLSCREEN);  
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);  
        super.setContentView(R.layout.main);  
        for (int i = 0; i < 5; i++) {  
            str[i] = "item" + i;  
        }  
        for (int i = 0; i < init.length; i++) {  
            mtemp[i] = init[i];  
 
        }  
        System.out.println(mtemp == init);  
        this.btn_item = (Button) super.findViewById(R.id.btn_item);  
        this.btn_singleitem = (Button) super.findViewById(R.id.btn_singleitem);  
        this.btn_mutiplyitem = (Button) super.findViewById(R.id.btn_mutilitem);  
 
        this.btn_item.setOnClickListener(this);  
        this.btn_singleitem.setOnClickListener(this);  
        this.btn_mutiplyitem.setOnClickListener(this);  
 
    }  
 
    @Override 
    public void onClick(View v) {  
        if (v == this.btn_item) {  
 
            this.mDialog = new AlertDialog.Builder(this)  
                    .setTitle("列表选项")  
                    .setIcon(android.R.drawable.ic_dialog_alert)  
                    .setItems(str, new DialogInterface.OnClickListener() {  
 
                        @Override 
                        public void onClick(DialogInterface dialog, int which) {  
                            DialogExercise.this.mSelectedItem = which;  
                        }  
                    })  
                    .setPositiveButton("确定",  
                            new DialogInterface.OnClickListener() {  
 
                                @Override 
                                public void onClick(DialogInterface dialog,  
                                        int which) {  
                                    System.out.println("PositiveButton= " 
                                            + which);  
                                    Toast.makeText(DialogExercise.this,  
                                            "您选择的是" + str[mSelectedItem], 100)  
                                            .show();  
                                }  
                            })  
                    .setNegativeButton("取消",  
                            new DialogInterface.OnClickListener() {  
 
                                @Override 
                                public void onClick(DialogInterface dialog,  
                                        int which) {  
                                    System.out.println("NegativeButton= " 
                                            + which);  
                                    dialog.dismiss();  
                                }  
                            }).create();  
            this.mDialog.show();  
 
        } else if (v == this.btn_singleitem) {  
            this.mDialog = new AlertDialog.Builder(this)  
                    .setTitle("单项选择")  
                    .setIcon(android.R.drawable.ic_dialog_alert)  
                    .setSingleChoiceItems(str, 2,  
                            new DialogInterface.OnClickListener() {  
 
                                @Override 
                                public void onClick(DialogInterface dialog,  
                                        int which) {  
                                    DialogExercise.this.mSelectedItem = which;  
 
                                }  
                            })  
                    .setPositiveButton("确定",  
                            new DialogInterface.OnClickListener() {  
 
                                @Override 
                                public void onClick(DialogInterface dialog,  
                                        int which) {  
                                    System.out.println("PositiveButton= " 
                                            + which);  
                                    Toast.makeText(DialogExercise.this,  
                                            "您选择的是" + str[mSelectedItem], 100)  
                                            .show();  
                                }  
                            })  
                    .setNegativeButton("取消",  
                            new DialogInterface.OnClickListener() {  
 
                                @Override 
                                public void onClick(DialogInterface dialog,  
                                        int which) {  
                                    System.out.println("NegativeButton= " 
                                            + which);  
                                    dialog.dismiss();  
                                }  
                            }).create();  
            this.mDialog.show();  
 
        } else if (v == this.btn_mutiplyitem) {  
 
            this.mDialog = new AlertDialog.Builder(this)  
                    .setTitle("多项选择")  
                    .setIcon(android.R.drawable.ic_dialog_alert)  
                    .setMultiChoiceItems(str, init,  
                            new DialogInterface.OnMultiChoiceClickListener() {  
 
                                @Override 
                                public void onClick(DialogInterface dialog,  
                                        int which, boolean isChecked) {  
 
                                }  
                            })  
                    .setPositiveButton("确定",  
                            new DialogInterface.OnClickListener() {  
 
                                @Override 
                                public void onClick(DialogInterface dialog,  
                                        int which) {  
                                    System.out.println("PositiveButton= " 
                                            + which);  
                                    String temp = " ";  
                                    for (int i = 0; i < init.length; i++) {  
                                        if (init[i]) {  
                                            temp += str[i] + ", ";  
                                        }  
                                    }  
 
                                    Toast.makeText(DialogExercise.this,  
                                            "您选择的是" + temp, 100).show();  
 
                                    for (int i = 0; i < init.length; i++) {  
 
                                        init[i] = mtemp[i];  
                                    }  
                                }  
                            })  
                    .setNegativeButton("取消",  
                            new DialogInterface.OnClickListener() {  
 
                                @Override 
                                public void onClick(DialogInterface dialog,  
                                        int which) {  
                                    System.out.println("NegativeButton= " 
                                            + which);  
                                    dialog.dismiss();  
                                }  
                            }).create();  
            this.mDialog.show();  
 
        }  
 
    }  
} 

效果如下：

    当选择单项列表框时的截图：

 

 单击确定后的效果如下：

 

  当选择多项列表框时的截图：

 

  点击确定后的效果如下：