这篇文章主要介绍Android如何实现可复用的筛选页面，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！
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具体内容如下
窗口代码
/**
* 筛选页面
* 1.将用户的输入转换成sql语句
* 2.涉及到精确查询和模糊查询
* 3.提交数据之后需要刷新列表
*/
public class UserFilterActivity extends AppCompatActivity implements View.OnClickListener {
private List imageViewList;
private Context mContext;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_user_filter);
ButterKnife.bind(this);
initView();
initData();
initListener();
}
private void initData() {
mContext = this;
title.setText("筛选");
//将所有的ImageView实例存进list
imageViewList = new ArrayList<>();
imageViewList.add(ivNumber);
imageViewList.add(ivMobile);
imageViewList.add(ivWorkNumber);
imageViewList.add(ivSysName);
imageViewList.add(ivPost);
imageViewList.add(ivTelephone);
imageViewList.add(ivEmail);
//初始化ImageView，把状态放进tag里面
// 所有的ImageView都是未选中状态
for (ImageView imageView : imageViewList) {
imageView.setTag(false);
}
}
private void initView() {
editTv.setVisibility(View.VISIBLE);
editTv.setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_send_black_24dp, 0, 0, 0);
}
private void initListener() {
//给ImageView设置监听
for (ImageView imageView : imageViewList) {
imageView.setOnClickListener(this);
}
//单选按钮设置监听
rgStatus.setOnCheckedChangeListener((group, checkedId) -> {
if (checkedId == R.id.rb_status_off) {
offTime.setVisibility(View.VISIBLE);
line.setVisibility(View.VISIBLE);
} else {
offTime.setVisibility(View.GONE);
line.setVisibility(View.GONE);
}
});
titleLeft.setOnClickListener(this);
editTv.setOnClickListener(this);
tvUserName.setOnClickListener(this);
tvCreator.setOnClickListener(this);
}
@Override
public void onClick(View view) {
if (view.getId() == R.id.title_left) {
finish();
}
if (view.getId() == R.id.edit_tv) {
submit();
}
//选择用户，这里是多选
if (view.getId() == R.id.tv_user_name) {
Intent intent = new Intent(mContext, UserSelectActivity.class);
intent.putExtra("isMultipleEnable", true);
startActivityForResult(intent, 15476);
}
//选择用户，这里是单选
if (view.getId() == R.id.tv_creator) {
Intent intent = new Intent(mContext, UserSelectActivity.class);
startActivityForResult(intent, 13685);
}
//点击checkbox的动作
switch (view.getId()) {
case R.id.iv_number:
case R.id.iv_work_number:
case R.id.iv_sys_name:
case R.id.iv_post:
case R.id.iv_mobile:
case R.id.iv_telephone:
case R.id.iv_email:
switchExact((ImageView) view);
}
}
//拼接sql语句，并回传给上一个页面然后结束此页
//字段仅供参考
public void submit() {
StringBuilder sb = new StringBuilder("where");
String number = etNumber.getText().toString();
String workNumber = etWorkNumber.getText().toString();
String sysName = etSysName.getText().toString();
String post = etPost.getText().toString();
String mobile = etMobile.getText().toString();
String telePhone = etTelePhone.getText().toString();
String email = etEmail.getText().toString();
if (!TextUtils.isEmpty(number)) {
String[] arr = number.split(",");
if ((boolean) ivNumber.getTag()) {
sb.append(" and userID in (").append(stringToString(arr)).append(")");
} else {
for (int i = 0; i < arr.length; i++) {
if (i == 0) {
sb.append(" and (left(userId, ").append(arr[i].length()).append(") = '").append(arr[i]).append("'");
} else {
sb.append(" or left(userId, ").append(arr[i].length()).append(") = '").append(arr[i]).append("'");
}
}
sb.append(")");
}
}
if (!TextUtils.isEmpty(sysName)) {
String[] arr = sysName.split(",");
if ((boolean) ivSysName.getTag()) {
sb.append(" and userName in (").append(stringToString(arr)).append(")");
} else {
for (int i = 0; i < arr.length; i++) {
if (i == 0) {
sb.append(" and (userName like '|").append(arr[i]).append("|'");
} else {
sb.append(" or userName like '|").append(arr[i]).append("|'");
}
}
sb.append(")");
}
}
if (!TextUtils.isEmpty(workNumber)) {
String[] arr = workNumber.split(",");
if ((boolean) ivWorkNumber.getTag()) {
sb.append(" and workNumber in (").append(stringToString(arr)).append(")");
} else {
for (int i = 0; i < arr.length; i++) {
if (i == 0) {
sb.append(" and (workNumber like '").append(arr[0]).append("|'");
} else {
sb.append(" or workNumber like '").append(arr[i]).append("|'");
}
}
sb.append(")");
}
}
if (!TextUtils.isEmpty(post)) {
String[] arr = post.split(",");
if ((boolean) ivPost.getTag()) {
sb.append(" and workPos in (").append(stringToString(arr)).append(")");
} else {
for (int i = 0; i < arr.length; i++) {
if (i == 0) {
sb.append(" and (workPost like '|").append(arr[0]).append("|'");
} else {
sb.append(" or workPost like '|").append(arr[i]).append("|'");
}
}
sb.append(")");
}
}
if (!TextUtils.isEmpty(mobile)) {
String[] arr = mobile.split(",");
if ((boolean) ivMobile.getTag()) {
sb.append(" and mobile in (").append(stringToString(arr)).append(")");
} else {
for (int i = 0; i < arr.length; i++) {
sb.append(" and mobileNumber in ('").append(stringToString(arr)).append("')");
if (i == 0) {
sb.append(" and (left(mobileNumber, ").append(arr[i].length()).append(") = '").append(arr[i]).append("'");
} else {
sb.append(" or left(mobileNumber, ").append(arr[i].length()).append(") = '").append(arr[i]).append("'");
}
}
sb.append(")");
}
}
if (!TextUtils.isEmpty(telePhone)) {
String[] arr = telePhone.split(",");
if ((boolean) ivTelephone.getTag()) {
sb.append(" and officeNumber in (").append(stringToString(arr)).append(")");
} else {
for (int i = 0; i < arr.length; i++) {
if (i == 0) {
sb.append(" and (left(officeNumber, ").append(arr[i].length()).append(") = '").append(arr[i]).append("'");
} else {
sb.append(" or left(officeNumber, ").append(arr[i].length()).append(") = '").append(arr[i]).append("'");
}
}
sb.append(")");
}
}
if (!TextUtils.isEmpty(email)) {
String[] arr = email.split(",");
if ((boolean) ivEmail.getTag()) {
sb.append(" and email in (").append(stringToString(arr)).append(")");
} else {
for (int i = 0; i < arr.length; i++) {
if (i == 0) {
sb.append(" and (email LIKE '|").append(arr[i]).append("|'");
} else {
sb.append(" or email LIKE '|").append(arr[i]).append("|'");
}
}
sb.append(")");
}
}
Intent intent = new Intent();
String sql = sb.toString().replaceFirst(" and", "");
intent.putExtra("sql", sql);
setResult(123, intent);
finish();
}
//切换checkbox状态
public void switchExact(ImageView view) {
view.setTag(!(boolean) view.getTag());
if ((boolean) view.getTag()) {
view.setImageResource(R.drawable.ic_check_box_black_24dp);
} else {
view.setImageResource(R.drawable.ic_check_box_outline_blank_black_24dp);
}
}
private String stringToString(String[] array) {
StringBuilder end = new StringBuilder("");
for (String s : array) {
end.append("'").append(s).append("',");
}
return end.toString().substring(0, end.length() - 1);
}
@Override
//回传值的处理
protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
if (requestCode == 15476 && resultCode == RESULT_OK) {
ArrayList users = data.getParcelableArrayListExtra("users");
StringBuilder sb = new StringBuilder();
for (ClsNormalUser user : users) {
sb.append(user.getCName()).append(",");
}
tvUserName.setText(sb.toString());
}
if (requestCode == 13685 && resultCode == RESULT_OK) {
ClsNormalUser user = data.getParcelableExtra("user");
tvCreator.setText(user.getCName());
}
super.onActivityResult(requestCode, resultCode, data);
}
} 效果如图
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