LoginActivity.java
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package com.naji.xiaotao.login.ui;
import android.databinding.Observable;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextUtils;
import android.text.TextWatcher;
import android.text.method.HideReturnsTransformationMethod;
import android.text.method.PasswordTransformationMethod;
import android.text.method.TransformationMethod;
import com.naji.xiaotao.BR;
import com.naji.xiaotao.R;
import com.naji.xiaotao.databinding.ActivityLoginBinding;
import com.naji.xiaotao.login.vm.LoginViewModel;
import me.goldze.mvvmhabit.base.BaseActivity;
import me.goldze.mvvmhabit.utils.SPUtils;
public class LoginActivity extends BaseActivity<ActivityLoginBinding,LoginViewModel> implements TextWatcher{
@Override
public int initContentView(Bundle savedInstanceState) {
return R.layout.activity_login;
}
@Override
public int initVariableId() {
return BR.viewModel;
}
@Override
public LoginViewModel initViewModel() {
return new LoginViewModel(this);
}
@Override
public void initViewObservable() {
super.initViewObservable();
viewModel.passVisible.addOnPropertyChangedCallback(new Observable.OnPropertyChangedCallback() {
@Override
public void onPropertyChanged(Observable sender, int propertyId) {
if(viewModel.passVisible.get()){//显示密码
binding.passEdt.setTransformationMethod(HideReturnsTransformationMethod.getInstance());
binding.passEdt.setSelection(viewModel.password.get().length());
binding.passImg.setImageResource(R.mipmap.show_psw_press);
}else{
binding.passEdt.setTransformationMethod(PasswordTransformationMethod.getInstance());
binding.passEdt.setSelection(viewModel.password.get().length());
binding.passImg.setImageResource(R.mipmap.show_psw);
}
}
});
viewModel.shanghuNum.addOnPropertyChangedCallback(new Observable.OnPropertyChangedCallback() {
@Override
public void onPropertyChanged(Observable sender, int propertyId) {
binding.shanghuEdt.setSelection(viewModel.shanghuNum.get().length());
}
});
viewModel.gonghaoNum.addOnPropertyChangedCallback(new Observable.OnPropertyChangedCallback() {
@Override
public void onPropertyChanged(Observable sender, int propertyId) {
binding.gonghaoEdt.setSelection(viewModel.gonghaoNum.get().length());
}
});
binding.shanghuEdt.addTextChangedListener(this);
binding.gonghaoEdt.addTextChangedListener(this);
binding.passEdt.addTextChangedListener(this);
}
@Override
public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
}
@Override
public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
if(binding.shanghuEdt.getText().toString().length()>0&&binding.gonghaoEdt.getText().toString().length()>0&&binding.passEdt.getText().toString().length()>0){
binding.bnLogin.setAlpha(1.0f);
binding.bnLogin.setEnabled(true);
}else{
binding.bnLogin.setAlpha(0.6f);
binding.bnLogin.setEnabled(false);
}
}
@Override
public void afterTextChanged(Editable editable) {
}
}