对话框

一.常用的对话框

对话框	类	特殊
普通	AlertDialog.Builder()
单选	AlertDialog.Builder()	setSingleChoiceItems()
多选	AlertDialog.Builder()	setMultiChoiceItems()
日期	DatePickerDialog	new DatePickerDialog(context,DatePickerDialog.OnDateSetListener,year,month,day);
时间	TimePickerDialog	new TimePickerDialog(context, TimePickerDialog.OnTimeSetListener,时,分,是否24进制);
水平	ProgressDialog	setStyle(ProgressDialog.STYLE_HORIZONTAL)
圆圈	ProgressDialog	setStyle(ProgressDialog.STYLE_SPINNER)
自定义	AlertDialog.Builder()	setView()

1.普通对话框

public void normal_dialog(){
        //TODO 1:构建者
        AlertDialog.Builder builder=new AlertDialog.Builder(this);
        //TODO 2:设置属性
        builder.setIcon(R.drawable.ic_launcher_background);//设置图标
        builder.setTitle("hello body");//设置标题
        builder.setMessage("我是美女陈林");//设置内容
        //设置确定按钮
        builder.setPositiveButton("ok", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(MainActivity.this,"你点击了ok",Toast.LENGTH_SHORT).show();
            }
        });
        //设置取消按钮
        builder.setNegativeButton("cancel", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(MainActivity.this,"你点击了cancel",Toast.LENGTH_SHORT).show();
            }
        });
        //TODO 3:使用建造者创建对话框
        AlertDialog dialog = builder.create();
        //TODO 4:显示
        dialog.show();
        }

2.单选对话框

  //单选对话框
    private void single_dialog() {
        //TODO 1:构建者
        AlertDialog.Builder builder=new AlertDialog.Builder(this);
        //TODO 2:设置属性
        builder.setIcon(R.drawable.ic_launcher_background);//设置图标
        builder.setTitle("杨成果的成分是");//设置标题
        builder.setPositiveButton("ok", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(MainActivity.this,"你点击了ok",Toast.LENGTH_SHORT).show();
            }
        });
        builder.setNegativeButton("cancel", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(MainActivity.this,"你点击了cancel",Toast.LENGTH_SHORT).show();
            }
        });
        final String[] items={"男人","女人","不想"};
        //TODO 设置单选列表
        //TODO  参数一 列表  参数二 默认选中下表  参数三 事件监听
        builder.setSingleChoiceItems(items, 2, new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(MainActivity.this, "你选中烦恼的"+items[which], Toast.LENGTH_SHORT).show();
            }
        });
                //TODO 3:使用建造者创建对话框
        AlertDialog dialog = builder.create();
        //TODO 4:显示
        dialog.show();
        }

3.多选对话框

private void mulite_dialog() {
        final String[] items={"凤姐","小赵","如花","陈琳"};
        final boolean[] flags={true,true,true,false};
        //TODO 1:构建着
        AlertDialog.Builder builder=new AlertDialog.Builder(this);
        //TODO 2:画画
        builder.setIcon(R.drawable.ic_launcher_background);//设置图标
        builder.setTitle("杨成果的女朋友们");//设置标题
        builder.setPositiveButton("ok", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                for(int i=0;i<flags.length;i++){
                    if(flags[i]){
                        Toast.makeText(MainActivity.this,"是"+items[i],Toast.LENGTH_SHORT).show();
                    }
                }
            }
        });
        builder.setNegativeButton("cancel",new DialogInterface.OnlickListener(){
	@Override
	public void onClick(DialogInterface dialog,int which){
		Toast.makeText(MainActivity.this,"是"+items[i],Toast.LENGTH_SHORT).show();

	}
});
//TODO 设置多列表
//TODO 参数一 列表  参数二  默认选中下表  参数三事件监听
builder.setMultiChoiceItems(items,flags,new DialogInterface.OnMultiChoiceClickListener(){
	@Override
	public void onClick(DialogInterface dialog,int which,boolean isChecked){
	flags[which] = isChecked;

}
});
//TODO 3:使用建造者创建对话框
AlerDialog dialog = builder.create();
//TODO 4:显示
dialog.show();

4.自定义对话框

1.自定义布局 customer_dialog.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:gravity="center">
    <TextView
        android:textSize="30sp"
        android:text="大美女"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />
    <ImageView
      android:id="[e-mail]/iv"
        android:src="@drawable/tp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />
</LinearLayout>

2.java代码:

 //TODO 0:获得视图
        View view=LayoutInflater.from(this).inflate(R.layout.customer_dialog,null);
        ImageView imageView=view.findViewById(R.id.iv);
        imageView.setOnclickListener(new OnclickListsner(){
        //点击图片就可以吐司或者关闭对话框了
        });
        //TODO 1:构建着
        AlertDialog.Builder builder=new AlertDialog.Builder(this);
       
        //设置自定义布局
        builder.setView(view);
               //TODO 3:使用建造者创建对话框
        AlertDialog dialog = builder.create();
        //TODO 4:显示
        dialog.show();

5.水平进度条对话框

//水平进度条
    private void hor_progress_dialog() {
        //TODO 1:实例化对象
        final ProgressDialog dialog=new ProgressDialog(this);
        //TODO 2：设置属性
        dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);//设置水平央视
        dialog.setMax(100);
        dialog.setMessage("正在下载");
        //TODO 3:显示
        dialog.show();
        //TODO 4：模拟定时器
        final Timer timer=new Timer();
        timer.schedule(new TimerTask() {
            int progress=0;
            @Override
            public void run() {
                if(progress==100){
                    dialog.dismiss();//消失
                    timer.cancel();
                }
                dialog.setProgress(progress+=20);
            }
        },0,1000);//0秒后执行，每隔1000毫秒执行一次
    }

6.圆形进度条对话框

private void hor_progress_dialog() {
        //TODO 1:实例化对象
        final ProgressDialog dialog=new ProgressDialog(this);
        //TODO 2：设置属性
        dialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);//设置圆圈
        dialog.setMax(100);
        dialog.setMessage("正在下载");
        //TODO 3:显示
        dialog.show();
        //TODO 4：模拟定时器
        final Timer timer=new Timer();
        timer.schedule(new TimerTask() {
            int progress=0;
            @Override
            public void run() {
                if(progress==100){
                    dialog.dismiss();//消失
                    timer.cancel();
                }
                dialog.setProgress(progress+=20);
            }
        },0,1000);//0秒后执行，每隔1000毫秒执行一次
    }

7.日期选择对话框

     //日期选择对话框DatePickerDialog
    private void date_dialog() {
        /**
         *
         *
         * @param context 上下文
         * @param listener 监听器
         * @param year 默认的年
         * @param month 默认的月
         * @param dayOfMonth 默认的日
         */
        Calendar calendar=Calendar.getInstance();//日历对象
        new DatePickerDialog(this, new DatePickerDialog.OnDateSetListener() {
            @Override
            public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
            Toast.makeText(MainActivty.this,yera+"-"+(month+1)+"-"+dayofMonth,Toast.LENGTH_SHORT).show();
            }
        },calndar.get(Calendar.YEAR),calendar.get(Calendar.MONTH),calendar.get(Calendar.DAY_OF_MONTH)).show();
        }

8.时间选择对话框

//时间对话框：TimePickerDialog
   private void time_dialog() {
       /**
        * @param context 上下文
        * @param listener 监听器
        * @param hourOfDay 默认的时
        * @param minute 默认的分钟
        * @param is24HourView 是否采用24时禁止
        */
       Calendar calendar=Calendar.getInstance();//日历对象
       //TODO 1:实例化对象 TODO 2:show
       new TimePickerDialog(this, new TimePickerDialog.OnTimeSetListener() {
           @Override
           public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
               Toast.makeText(MainActivity.this, hourOfDay+"："+minute, Toast.LENGTH_SHORT).show();
           }
       },calendar.get(Calendar.HOUR),calendar.get(Calendar.MINUTE),true).show();
   }

二.自定义对话框

1.思路：

1.自定义继承Dialog
2.重写Dialog的方法并添加需要的功能
3.在Activity中实例化自定义类的对象

2.代码