private boolean[] checkedItems;//记录各列表项的状态
private String[] items;//各列表项要显示的内容
- // 获取“显示带取消、确定按钮的对话框”按钮
Button button1 = (Button) findViewById(R.id.button1);
// 为“显示带取消、确定按钮的对话框”按钮添加单击事件监听器
button1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//创建对话框对象
AlertDialog alertDialog = new AlertDialog.Builder(MainActivity.this).create();
alertDialog.setIcon(R.drawable.advise); //设置对话框的图标
alertDialog.setTitle("乔布斯:"); //设置对话框的标题
//设置要显示的内容
alertDialog.setMessage("活着就是为了改变世界，难道还有其他原因吗？");
//添加取消按钮
alertDialog.setButton(DialogInterface.BUTTON_NEGATIVE, "否",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this, "您单击了否按钮",
Toast.LENGTH_SHORT).show();
}
});
//添加确定按钮
alertDialog.setButton(DialogInterface.BUTTON_POSITIVE, "是",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this, "您单击了是按钮 ",
Toast.LENGTH_SHORT).show();
}
});
alertDialog.show(); //显示对话框
}
});
- 显示带列表的对话框
Button button2 = (Button) findViewById(R.id.button2); // 获取“显示带列表的对话框”按钮
button2.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//创建名言字符串数组
final String[] items = new String[]{"当你有使命，它会让你更专注", "要么出众，"
+ "要么出局", "活着就是为了改变世界", "求知若饥，虚心若愚"};
//创建列表对话框对象
AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
builder.setIcon(R.drawable.advise1); //设置对话框的图标
builder.setTitle("请选择你喜欢的名言："); //设置对话框的标题
//添加列表项
builder.setItems(items, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this,
"您选择了" + items[which], Toast.LENGTH_SHORT).show();
}
});
builder.create().show(); // 创建对话框并显示
}
});
- 获取“显示带单选列表项的对话框”按钮
Button button3 = (Button) findViewById(R.id.button3);
button3.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//创建名字字符串数组
final String[] items = new String[]{"扎克伯格", "乔布斯", "拉里.埃里森",
"安迪.鲁宾", "马云"};
// 显示带单选列表项的对话框
AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
builder.setIcon(R.drawable.advise2); //设置对话框的图标
builder.setTitle("如果让你选择，你最想做哪一个："); //设置对话框的标题
builder.setSingleChoiceItems(items, 0, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
//显示选择结果
Toast.makeText(MainActivity.this,
"您选择了" + items[which], Toast.LENGTH_SHORT).show();
}
});
builder.setPositiveButton("确定", null); //添加确定按钮
builder.create().show(); // 创建对话框并显示
}
});
- 获取“显示带多选列表项的对话框”按钮
Button button4 = (Button) findViewById(R.id.button4);
button4.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//记录各列表项的状态
checkedItems = new boolean[]{false, true, false, true, false};
//各列表项要显示的内容
items = new String[]{"开心消消乐", "球球大作战", "欢乐斗地主",
"梦幻西游", "超级玛丽"};
// 显示带单选列表项的对话框
AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
builder.setIcon(R.drawable.advise2); //设置对话框的图标
builder.setTitle("请选择您喜爱的游戏："); //设置对话框标题
builder.setMultiChoiceItems(items, checkedItems,
new DialogInterface.OnMultiChoiceClickListener() {
@Override
public void onClick(DialogInterface dialog, int which, boolean isChecked) {
checkedItems[which] = isChecked; //改变被操作列表项的状态
}
});
//为对话框添加“确定”按钮
builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
String result = "";
for (int i = 0; i < checkedItems.length; i++) {
if (checkedItems[i]) { //当选项被选择时
result += items[i] + "、"; //将选项的内容添加到result中
}
}
//当result不为空时，通过消息提示框显示选择的结果
if (!"".equals(result)) {
//去掉最后面添加的“、”号
result = result.substring(0, result.length() - 1);
Toast.makeText(MainActivity.this,
"您选择了[ " + result + " ]", Toast.LENGTH_LONG).show();
}
}
});
builder.create().show(); // 创建对话框并显示
}
});
