Android自定义弹出窗口

search_order.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        AlertDialog.Builder builder=new AlertDialog.Builder(MainActivity.this);
        builder.setTitle("查询订单");       //设置弹出窗口的标题
        View view= LayoutInflater.from(MainActivity.this).inflate(R.layout.search_dialog,null); 
        final EditText textname=view.findViewById(R.id.search_name);    //将输入框对应，以便获取用户输入的文字
        builder.setView(view);  //把弹出窗口的页面设定为search_dialog.xml设定的页面
        builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
            //设定PositiveButton
            @Override
            public void onClick(DialogInterface dialog, int which) {
                String name=textname.getText().toString();
                try {
                    Pair<Float,Float> ans=setSearch_order(name);
                    new AlertDialog.Builder(MainActivity.this)
                            .setTitle("查询结果")
                            .setMessage("总业绩："+ans.first+"\n"+"已报业绩："+ans.second+"\n"+"结余业绩："+(ans.first-ans.second))
                            .setPositiveButton("确认",null)
                            .show();    //弹出窗口
                } catch (Exception e) {
                    e.printStackTrace();
                    Toast.makeText(getApplicationContext(),"无此人数据",Toast.LENGTH_LONG).show();
                }
            }
        });
        builder.show();
    }
});      

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