Android MVP 实例
Android MVP 实例演示
效果展示
Android MVP详解
MVP 流程图
说明：
步骤1：View引用Presenter
步骤2：Presenter调用Model，走Model具体逻辑
步骤3：Model逻辑实现，回调Presenter方法
步骤4：Presenter回调View
目录图
MVP model
IStudentModel.java
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| public interface IStudentModel {
/**
* 保存学生信息
* @param id 学号
* @param name 姓名
* @param sex 性别
*/
void save(int id,String name,String sex);
/**
* 读取学生信息
* @param id 学号
* @return
*/
Student load(int id);
}
|
StudentModel.java
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| public class StudentModel implements IStudentModel {
private int id;
private String name;
private String sex;
private SparseArray<Student> array = new SparseArray<>();
@Override
public void save(int id,String name,String sex) {
Student student = new Student();
student.setId(id);
student.setName(name);
student.setSex(sex);
array.append(id, student);
}
@Override
public Student load(int id) {
Student notFound = new Student();
notFound.setName("没有发现");
notFound.setSex("没有发现");
Student student=array.get(id, notFound);
return student;
}
}
|
MVP presenter
UserPresenter.java
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| public class UserPresenter {
private IStudentModel iStudentModel;
private IMainView iMainView;
public UserPresenter(IMainView iMainView) {
this.iMainView = iMainView;
iStudentModel = new StudentModel();
}
public void save(int id, String name, String sex) {
iStudentModel.save(id,name,sex);
}
public void load(int id) {
Student student=iStudentModel.load(id);
iMainView.setName(student.getName());
iMainView.setSex(student.getSex());
}
}
|
MVP View
IMainView.java
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| public interface IMainView {
void setName(String name);
void setSex(String sex);
int getId();
String getName();
String getSex();
}
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MainActivity.java
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| public class MainActivity extends Activity implements View.OnClickListener, IMainView {
private EditText et_id;
private EditText et_name;
private EditText et_sex;
private Button bt_save;
private Button bt_load;
private UserPresenter userPresenter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);
initView();
}
private void initView() {
et_id = (EditText) findViewById(R.id.et_id);
et_name = (EditText) findViewById(R.id.et_name);
et_sex = (EditText) findViewById(R.id.et_sex);
bt_save = (Button) findViewById(R.id.bt_save);
bt_load = (Button) findViewById(R.id.bt_load);
bt_save.setOnClickListener(this);
bt_load.setOnClickListener(this);
userPresenter =new UserPresenter(this);
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.bt_save:
userPresenter.save(getId(),getName(),getSex());
break;
case R.id.bt_load:
userPresenter.load(getId());
break;
default:
break;
}
}
@Override
public void setName(String name) {
et_name.setText(name);
}
@Override
public void setSex(String sex) {
et_sex.setText(sex);
}
@Override
public int getId() {
return Integer.parseInt(et_id.getText().toString());
}
@Override
public String getName() {
return et_name.getText().toString();
}
@Override
public String getSex() {
return et_sex.getText().toString();
}
}
|
bean
Student.java
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| public class Student {
private int id;
private String name;
private String sex;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
}
|
以上就是AndroidMVP的一个小demo，以上的源码我已经开源在Github,地址:AndroidMVP
欢迎大家关注我的微信公众号，我会不定期的分享些Android开发的技巧
