final EditText inputServer = new EditText(this);                inputServer.setFilters(new InputFilter[]{new InputFilter.LengthFilter(50)});                AlertDialog.Builder builder = new AlertDialog.Builder(this);                builder.setTitle("个性点的签名").setIcon(android.R.drawable.ic_dialog_info).setView(inputServer)                        .setNegativeButton("取消", null);                builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {                    public void onClick(DialogInterface dialog, int which) {                        String _sign = inputServer.getText().toString();                        if(_sign!=null && !_sign.isEmpty())                        {                            signature_txt.setText(_sign);                        }                        else                        {                            Toast.makeText(MemberActivity.this,"签名为空",Toast.LENGTH_SHORT).show();                        }                    }                });                builder.show();

final String[] items = {"保密","男","女"};                        new AlertDialog.Builder(MemberActivity.this)                                .setTitle("请选择")                                .setItems(items, new DialogInterface.OnClickListener() {                                    public void onClick(DialogInterface dialog,                                                        int which) {                                        TextView item_value = (TextView)memberInfo_tab_list_2.getChildAt(2).findViewById(R.id.item_value);                                        item_value.setText(items[which]);                                    }                                }).show();