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我决定了解MVP模式，并查看一些文章后，我想用我当前的项目尝试。如何在我的示例中正确应用MVP模式
我选择了一项活动，并开始思考如何根据MVP规则将其解耦。最终我不知道该怎么做。这似乎是一个不复杂的活动，但我不知道
可以请某人告诉我，我必须开始？
哪些方法必须在演示者中，女巫视图必须留在当前活动中，而且方法必须在界面中？
刚刚劝我，我该开始谁。
这是我的课
public final class ActivityUserDataScreen extends AppCompatActivity implements InterfaceActivityUserDataScreen{
private static String gender;
private static int inputHeight;
private static int inputWeight;
private TextInputLayout tilUserName;
private int backPressedQ = 0;
private String avatarName;
private static final String MEN = "men";
private static final String WOMEN = "men";
private Context context;
private PresenterActivityUserDataScreen presenter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Fabric.with(this, new Crashlytics());
setContentView(R.layout.activity_user_data_screen);
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
setSupportActionBar((Toolbar) findViewById(R.id.tool_bar));
context = getApplicationContext();
initNumberPicker();
initVar();
presenter = new PresenterActivityUserDataScreen(this);
}
private void initNumberPicker() {
NumberPicker pickerHeight = (NumberPicker) findViewById(R.id.pickerHeight);
UtilClass.setDividerColor(pickerHeight, UtilClass.getMyColor(context, R.color.ntz_color_yellow));
pickerHeight.setOnValueChangedListener(changeListener);
pickerHeight.setMaxValue(220);
pickerHeight.setMinValue(130);
pickerHeight.setValue(States.HEIGHT_DEFAULT);
NumberPicker pickerWeight = (NumberPicker) findViewById(R.id.pickerWeight);
UtilClass.setDividerColor(pickerWeight, UtilClass.getMyColor(context, R.color.ntz_color_yellow));
pickerWeight.setOnValueChangedListener(changeListener);
pickerWeight.setMaxValue(120);
pickerWeight.setMinValue(35);
pickerWeight.setValue(States.WEIGHT_DEFAULT);
}
private void initVar() {
tilUserName = (TextInputLayout) findViewById(R.id.tilUserName);
SwitchButton switchButton = (SwitchButton) findViewById(R.id.sb_custom);
switchButton.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (isChecked){
gender = WOMEN;
}else {
gender = MEN;
}
}
});
EditText etAvatarName = (EditText) findViewById(R.id.etAvatarName);
etAvatarName.setText(getResources().getString(R.string.avatar));
}
private NumberPicker.OnValueChangeListener changeListener = new NumberPicker.OnValueChangeListener() {
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
switch (picker.getId()) {
case R.id.pickerHeight:
inputHeight = newVal;
break;
case R.id.pickerWeight:
inputWeight = newVal;
break;
}
}
};
@Override
public final void onBackPressed() {
UtilClass.processClick(context);
if (backPressedQ == 1) {
backPressedQ = 0;
super.onBackPressed();
overridePendingTransition(R.anim.open_main, R.anim.close_next);
} else {
backPressedQ++;
Toast.makeText(this, "Press again to exit", Toast.LENGTH_SHORT).show();
}
//Обнуление счётчика через 5 секунд
final Handler handler = new Handler();
handler.postDelayed(new Runnable() {
@Override
public void run() {
backPressedQ = 0;
}
}, 5000);
}
public final void goNext(View view) {
UtilClass.processClick(context);
EditText editText = tilUserName.getEditText();
Editable editable = null;
if (editText != null) {
editable = editText.getText();
}
if (editable != null) {
avatarName = editable.toString();
}
if (!isValidAvatarName()) return;
saveUserData();
MetadataSaver saver = new MetadataSaver(context);
saver.saveFirstUserInfo();
saver.saveDeviceInfo();
PreferencesHelper.savePref(context, States.STILL_NOT_FINISH, true);
UtilClass.goToNextActivity(ActivityUserDataScreen.this, ActivityVideo.class);
}
private void saveUserData(){
saveAvatarGender();
saveAvatarHeight();
saveAvatarWeight();
saveAvatarName();
}
private void saveAvatarGender(){
if (gender == null){
gender = MEN;
}
PreferencesHelper.savePref(context, States.AVATAR_GENDER, gender);
}
private boolean isValidAvatarName() {
if (UtilClass.isTextEmpty(avatarName)) {
tilUserName.setErrorEnabled(true);
tilUserName.setError(getResources().getString(R.string.fill_your_avatar_name));
return false;
}
if (avatarName.contains(" ")) {
avatarName = avatarName.replace(" ", "");
}
if (!UtilClass.isLatinAlphabet(avatarName)) {
tilUserName.setErrorEnabled(true);
tilUserName.setError(getResources().getString(R.string.avatar_name_in_english));
return false;
}
if (!UtilClass.isNameFree(context, avatarName)) {
tilUserName.setErrorEnabled(true);
tilUserName.setError(getResources().getString(R.string.avatar_name_already_in_use));
return false;
}
return true;
}
private void saveAvatarHeight() {
int result;
if (inputHeight == 0) {
result = States.HEIGHT_DEFAULT;
} else {
result = inputHeight;
}
PreferencesHelper.savePref(context, States.AVATAR_HEIGHT, result);
}
private void saveAvatarWeight() {
int result;
if (inputWeight == 0) {
result = States.WEIGHT_DEFAULT;
} else {
result = inputWeight;
}
PreferencesHelper.savePref(context, States.AVATAR_WEIGHT, result);
}
private void saveAvatarName() {
PreferencesHelper.savePref(context, States.AVATAR_NAME, avatarName);
}
public final void switchManWoman(View view) {
UtilClass.processClick(context);
}
}
提前感谢！
引入MVP的真正原因是为了提高可测性。此链接将帮助您正确理解MVP： https://codelabs.developers.google.com/codelabs/android-testing/ –
使用此示例存储库，您可以了解有关MVP与匕首混合的更多信息：http：// github。 com/mmirhoseini/marvel –