Dialog

1. private void dialog1(){  
2.         AlertDialog.Builder builder=new AlertDialog.Builder(this);  //先得到构造器  
3.         builder.setTitle("提示"); //设置标题  
4.         builder.setMessage("是否确认退出?"); //设置内容  
5.         builder.setIcon(R.mipmap.ic_launcher);//设置图标，图片id即可  
6.         builder.setPositiveButton("确定", new DialogInterface.OnClickListener() { //设置确定按钮  
7.             @Override  
8.             public void onClick(DialogInterface dialog, int which) {  
9.                 dialog.dismiss(); //关闭dialog  
10.                 Toast.makeText(MainActivity.this, "确认" + which, Toast.LENGTH_SHORT).show();  
11.             }  
12.         });  
13.         builder.setNegativeButton("取消", new DialogInterface.OnClickListener() { //设置取消按钮  
14.             @Override  
15.             public void onClick(DialogInterface dialog, int which) {  
16.                 dialog.dismiss();  
17.                 Toast.makeText(MainActivity.this, "取消" + which, Toast.LENGTH_SHORT).show();  
18.             }  
19.         });  
20.   
21.         builder.setNeutralButton("忽略", new DialogInterface.OnClickListener() {//设置忽略按钮  
22.             @Override  
23.             public void onClick(DialogInterface dialog, int which) {  
24.                 dialog.dismiss();  
25.                 Toast.makeText(MainActivity.this, "忽略" + which, Toast.LENGTH_SHORT).show();  
26.             }  
27.         });  
28.         //参数都设置完成了，创建并显示出来  
29.         builder.create().show();  
30.     }  

简洁版  

1. private void dialog1_1(){  
2.        //先new出一个监听器，设置好监听  
3.        DialogInterface.OnClickListener dialogOnclicListener=new DialogInterface.OnClickListener(){  
4.   
5.            @Override  
6.            public void onClick(DialogInterface dialog, int which) {  
7.                switch(which){  
8.                    case Dialog.BUTTON_POSITIVE:  
9.                        Toast.makeText(MainActivity.this, "确认" + which, Toast.LENGTH_SHORT).show();  
10.                        break;  
11.                    case Dialog.BUTTON_NEGATIVE:  
12.                        Toast.makeText(MainActivity.this, "取消" + which, Toast.LENGTH_SHORT).show();  
13.                        break;  
14.                    case Dialog.BUTTON_NEUTRAL:  
15.                        Toast.makeText(MainActivity.this, "忽略" + which, Toast.LENGTH_SHORT).show();  
16.                        break;  
17.                }  
18.            }  
19.        };  
20.        //dialog参数设置  
21.        AlertDialog.Builder builder=new AlertDialog.Builder(this);  //先得到构造器  
22.        builder.setTitle("提示"); //设置标题  
23.        builder.setMessage("是否确认退出?"); //设置内容  
24.        builder.setIcon(R.mipmap.ic_launcher);//设置图标，图片id即可  
25.        builder.setPositiveButton("确认",dialogOnclicListener);  
26.        builder.setNegativeButton("取消", dialogOnclicListener);  
27.        builder.setNeutralButton("忽略", dialogOnclicListener);  
28.        builder.create().show();  
29.    }  

列表对话框

1. private void dialog2() {  
2.         final String items[]={"张三","李四","王五"};  
3.         //dialog参数设置  
4.         AlertDialog.Builder builder=new AlertDialog.Builder(this);  //先得到构造器  
5.         builder.setTitle("提示"); //设置标题  
6.         //builder.setMessage("是否确认退出?"); //设置内容  
7.         builder.setIcon(R.mipmap.ic_launcher);//设置图标，图片id即可  
8.         //设置列表显示，注意设置了列表显示就不要设置builder.setMessage()了，否则列表不起作用。  
9.         builder.setItems(items,new DialogInterface.OnClickListener() {  
10.             @Override  
11.             public void onClick(DialogInterface dialog, int which) {  
12.                 dialog.dismiss();  
13.                 Toast.makeText(MainActivity.this, items[which], Toast.LENGTH_SHORT).show();  
14.   
15.             }  
16.         });  
17.         builder.setPositiveButton("确定",new DialogInterface.OnClickListener() {  
18.             @Override  
19.             public void onClick(DialogInterface dialog, int which) {  
20.                 dialog.dismiss();  
21.                 Toast.makeText(MainActivity.this, "确定", Toast.LENGTH_SHORT).show();  
22.             }  
23.         });  
24.         builder.create().show();  
25.     } 

单选对话框

1. private void dialog3(){  
2.         final String items[]={"男","女"};  
3.         AlertDialog.Builder builder=new AlertDialog.Builder(this);  //先得到构造器  
4.         builder.setTitle("提示"); //设置标题  
5.         builder.setIcon(R.mipmap.ic_launcher);//设置图标，图片id即可  
6.         builder.setSingleChoiceItems(items,0,new DialogInterface.OnClickListener() {  
7.             @Override  
8.             public void onClick(DialogInterface dialog, int which) {  
9.                 //dialog.dismiss();  
10.                 Toast.makeText(MainActivity.this, items[which], Toast.LENGTH_SHORT).show();  
11.             }  
12.         });  
13.         builder.setPositiveButton("确定",new DialogInterface.OnClickListener() {  
14.             @Override  
15.             public void onClick(DialogInterface dialog, int which) {  
16.                 dialog.dismiss();  
17.                 Toast.makeText(MainActivity.this, "确定", Toast.LENGTH_SHORT).show();  
18.             }  
19.         });  
20.         builder.create().show();  
21.     }  

多选对话框

1. private void dialog4(){  
2.         final String items[]={"篮球","足球","排球"};  
3.         final boolean selected[]={true,false,true};  
4.         AlertDialog.Builder builder=new AlertDialog.Builder(this);  //先得到构造器  
5.         builder.setTitle("提示"); //设置标题  
6.         builder.setIcon(R.mipmap.ic_launcher);//设置图标，图片id即可  
7.         builder.setMultiChoiceItems(items,selected,new DialogInterface.OnMultiChoiceClickListener() {  
8.             @Override  
9.             public void onClick(DialogInterface dialog, int which, boolean isChecked) {  
10.                // dialog.dismiss();  
11.                 Toast.makeText(MainActivity.this, items[which]+isChecked, Toast.LENGTH_SHORT).show();  
12.             }  
13.         });  
14.         builder.setPositiveButton("确定",new DialogInterface.OnClickListener() {  
15.             @Override  
16.             public void onClick(DialogInterface dialog, int which) {  
17.                 dialog.dismiss();  
18.                 Toast.makeText(MainActivity.this, "确定", Toast.LENGTH_SHORT).show();  
19.                 //android会自动根据你选择的改变selected数组的值。  
20.                 for (int i=0;i<selected.length;i++){  
21.                     Log.e("hongliang",""+selected[i]);  
22.                 }  
23.             }  
24.         });  
25.         builder.create().show();  
26.     }