// 点击按钮 弹出一个普通对话框
public void click1(View v) {
// 构建AlertDialog
AlertDialog.Builder builder = new Builder(this);
builder.setTitle("警告");
builder.setMessage("世界上最遥远的距离是没有网络");
builder.setPositiveButton("确定", new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
System.out.println("点击了确定按钮 执行的逻辑");
}
});
builder.setNegativeButton("取消", new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
System.out.println("点击了取消按钮");
}
});
// 最后一步一定要记得 show出来
builder.show();
}
// 点击按钮 弹出一个单选对话框
public void click2(View v) {
// 构建AlertDialog
AlertDialog.Builder builder = new Builder(this);
builder.setTitle("请选择您喜欢的课");
final String items[] = { "Android", "ios", "php", "c", "C++", "html" };
builder.setSingleChoiceItems(items, -1, new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// 取出点中的条目
String item = items[which];
Toast.makeText(getApplicationContext(), item, 1).show();
// 关闭当前对话框
dialog.dismiss();
}
});
// 最后一步一定要记得 show出来
builder.show();
}
// 点击按钮 弹出一个多选对话框
public void click3(View v) {
// 构建AlertDialog
AlertDialog.Builder builder = new Builder(this);
builder.setTitle("请选择您喜欢吃的水果");
final String items[] = { "榴莲", "苹果", "葡萄", "香蕉", "黄瓜", "火龙果", "荔枝" };
final boolean[] checkedItems = { true, false, false, false, false,
false, true };
builder.setMultiChoiceItems(items, checkedItems,
new OnMultiChoiceClickListener() {
@Override
public void onClick(DialogInterface dialog, int which,
boolean isChecked) {
}
});
builder.setPositiveButton("确定", new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
StringBuffer sb = new StringBuffer();
// [1]把你选中的水果给取出来
for (int i = 0; i < checkedItems.length; i++) {
if (checkedItems[i]) {
// 就证明是选中的
String fruit = items[i];
sb.append(fruit + " ");
}
}
Toast.makeText(getApplicationContext(), sb.toString(), 1)
.show();
// 关闭对话框
dialog.dismiss();
}
});
// 最后一步一定要记得 show出来
builder.show();
}
//进度条对话框
public void click4(View v) {
//与进度相关的控件都可以直接在子线程更新ui
final ProgressDialog dialog = new ProgressDialog(this);
dialog.setTitle("正在玩命加载ing");
dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
dialog.show();
//设置进度条的最大值
dialog.setMax(100);
new Thread(){public void run() {
for (int i = 0; i <= 100; i++) {
//设置当前的进度
SystemClock.sleep(50);//睡眠50毫秒
dialog.setProgress(i);
}
//关闭对话框
dialog.dismiss();
};}.start();
}