/*
* 提示类型dialog
*/
private void dialog1(){AlertDialog.Builder builder = new AlertDialog.Builder(this);builder.setTitle("test");builder.setMessage("Is it exit?"); //设置内容builder.setIcon(R.mipmap.ic_launcher);//设置图标builder.setPositiveButton("ok", new DialogInterface.OnClickListener() {//which:点击ok，which是-1//点击cancel，which是-3//点击ignore，which是-2
        @Overridepublic void onClick(DialogInterface dialog, int which) {dialog.dismiss();}});builder.setNegativeButton("cancel", new DialogInterface.OnClickListener() { @Overridepublic void onClick(DialogInterface dialog, int which) {}});builder.setNeutralButton("ignore", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {}});//显示dialog
    builder.create().show();
}private void dialog1(){DialogInterface.OnClickListener dialogOnclicListener=new DialogInterface.OnClickListener(){@Overridepublic void onClick(DialogInterface dialog, int which) {switch(which){case Dialog.BUTTON_POSITIVE:break;case Dialog.BUTTON_NEGATIVE:break;case Dialog.BUTTON_NEUTRAL:break;}}}}；AlertDialog.Builder builder=new AlertDialog.Builder(this);builder.setTitle("test");builder.setMessage("Is it exit?");builder.setIcon(R.mipmap.ic_launcher);builder.setPositiveButton("ok",dialogOnclicListener);builder.setNegativeButton("cancel", dialogOnclicListener);builder.setNeutralButton("ignore", dialogOnclicListener);builder.create().show();
}/*
* 列表类型dialog
*/
private void dialog2() {final String items[]={"test1","test2","test3"};AlertDialog.Builder builder=new AlertDialog.Builder(this);builder.setTitle("test");builder.setIcon(R.mipmap.ic_launcher);//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。builder.setItems(items,new DialogInterface.OnClickListener() {//which是items数组的下标
            @Overridepublic void onClick(DialogInterface dialog, int which) {}});builder.setPositiveButton("ok",new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {}});builder.create().show();}/*
* 单选类型dialog
*/
private void dialog3(){final String items[]={"single","double"};AlertDialog.Builder builder=new AlertDialog.Builder(this);builder.setTitle("test");//0表示默认选中是第一个builder.setSingleChoiceItems(items,0,new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {}});builder.setPositiveButton("ok",new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {}});builder.create().show();
}/*
* 多选类型dialog
*/
private void dialog4(){final String items[]={"North Korea","American","Syria"};final boolean selected[]={true,false,true};AlertDialog.Builder builder=new AlertDialog.Builder(this);builder.setTitle("test");//selected是默认的对应的选中状态。当你选择时，系统会自动帮你把selected中的值做相应改变，所以在确定按钮中可以得到所有的选择状态builder.setMultiChoiceItems(items,selected,new DialogInterface.OnMultiChoiceClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which, boolean isChecked) {}});builder.setPositiveButton("ok",new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {//android会自动根据你选择的改变selected数组的值。
        }});builder.create().show();
}