对话框
2016-05-23 16:15
405 查看
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context=".MainActivity" android:orientation="vertical" > <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="确定取消对话框" android:onClick="click1" /> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="单选对话框" android:onClick="click2" /> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="多选对话框" android:onClick="click3" /> </LinearLayout>
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
public void click1(View v){
AlertDialog.Builder builder = new Builder(this);
//设置图标
builder.setIcon(android.R.drawable.alert_dark_frame);
//设置标题
builder.setTitle("欲练此功必先自宫");
//设置文本
builder.setMessage("李志平,想清楚哦");
//设置确定按钮
builder.setPositiveButton("确定", new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this, "感谢使用本软件,再见", 0).show();
}
});
//设置取消按钮
builder.setNegativeButton("取消", new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this, "若不自宫,一定不成功", 0).show();
}
});
//使用创建器,生成一个对话框对象
AlertDialog ad = builder.create();
ad.show();
}
public void click2(View v){
AlertDialog.Builder builder = new Builder(this);
builder.setTitle("请选择性别");
final String[] items = new String[]{
"男",
"女"
};
builder.setSingleChoiceItems(items, -1, new OnClickListener() {
//which:用户所选的条目的下标
//dialog:触发这个方法的对话框
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this, "您选择的是:" + items[which], 0).show();
//关闭对话框
dialog.dismiss();
}
});
builder.show();
}
public void click3(View v){
AlertDialog.Builder builder = new Builder(this);
builder.setTitle("请选择您觉得帅的人");
final String[] items = new String[]{
"侃哥",
"赵帅哥",
"赵老师",
"赵师兄"
};
final boolean[] checkedItems = new boolean[]{
true,
true,
false,
false
};
builder.setMultiChoiceItems(items, checkedItems, new OnMultiChoiceClickListener() {
//which:用户点击的条目的下标
//isChecked:用户是选中该条目还是取消该条目
@Override
public void onClick(DialogInterface dialog, int which, boolean isChecked) {
checkedItems[which] = isChecked;
}
});
//设置一个确定按钮
builder.setPositiveButton("确定", new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
String text = "";
for(int i = 0; i < 4; i++){
text += checkedItems[i]? items[i] + "," : "";
}
Toast.makeText(MainActivity.this, text, 0).show();
dialog.dismiss();
}
});
builder.show();
}
}
相关文章推荐
- 使用C++实现JNI接口需要注意的事项
- Android IPC进程间通讯机制
- Android Manifest 用法
- [转载]Activity中ConfigChanges属性的用法
- Android之获取手机上的图片和视频缩略图thumbnails
- Android之使用Http协议实现文件上传功能
- Android学习笔记(二九):嵌入浏览器
- android string.xml文件中的整型和string型代替
- i-jetty环境搭配与编译
- android之定时器AlarmManager
- android wifi 无线调试
- Android Native 绘图方法
- Android java 与 javascript互访(相互调用)的方法例子
- android 代码实现控件之间的间距
- android FragmentPagerAdapter的“标准”配置
- Android"解决"onTouch和onClick的冲突问题
- android:installLocation简析
- android searchView的关闭事件
- SourceProvider.getJniDirectories