网络记事本第二阶段第三天

今天我进行登录界面

主要界面的搭建，可以实现登陆功能

package com.example.myapplication;

import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.ValueAnimator;
import android.content.Intent;
import android.graphics.Rect;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.text.Editable;
import android.text.TextUtils;
import android.text.TextWatcher;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewTreeObserver;
import android.view.animation.DecelerateInterpolator;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;


public class MainActivity extends AppCompatActivity implements View.OnClickListener, View.OnFocusChangeListener, ViewTreeObserver.OnGlobalLayoutListener, TextWatcher {

    private String TAG = "ifu25";

    private ImageButton mIbNavigationBack;
    private LinearLayout mLlLoginPull;
    private View mLlLoginLayer;
    private LinearLayout mLlLoginOptions;
    private EditText mEtLoginUsername;
    private EditText mEtLoginPwd;
    private LinearLayout mLlLoginUsername;
    private ImageView mIvLoginUsernameDel;
    private Button mBtLoginSubmit;
    private LinearLayout mLlLoginPwd;
    private ImageView mIvLoginPwdDel;
    private ImageView mIvLoginLogo;
    private LinearLayout mLayBackBar;
    private TextView mTvLoginForgetPwd;
    private Button mBtLoginRegister;

    //全局Toast
    private Toast mToast;

    private int mLogoHeight;
    private int mLogoWidth;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main_login);

        initView();
    }

    //初始化视图
    private void initView() {
        //登录层、下拉层、其它登录方式层
        mLlLoginLayer = findViewById(R.id.ll_login_layer);
        mLlLoginPull = findViewById(R.id.ll_login_pull);
        mLlLoginOptions = findViewById(R.id.ll_login_options);

        //导航栏+返回按钮
        mLayBackBar = findViewById(R.id.ly_retrieve_bar);
        mIbNavigationBack = findViewById(R.id.ib_navigation_back);

        //logo
        mIvLoginLogo = findViewById(R.id.iv_login_logo);

        //username
        mLlLoginUsername = findViewById(R.id.ll_login_username);
        mEtLoginUsername = findViewById(R.id.et_login_username);
        mIvLoginUsernameDel = findViewById(R.id.iv_login_username_del);

        //passwd
        mLlLoginPwd = findViewById(R.id.ll_login_pwd);
        mEtLoginPwd = findViewById(R.id.et_login_pwd);
        mIvLoginPwdDel = findViewById(R.id.iv_login_pwd_del);

        //提交、注册
        mBtLoginSubmit = findViewById(R.id.bt_login_submit);
        mBtLoginRegister = findViewById(R.id.bt_login_register);

        //忘记密码
        mTvLoginForgetPwd = findViewById(R.id.tv_login_forget_pwd);
        mTvLoginForgetPwd.setOnClickListener(this);

        //注册点击事件
        mLlLoginPull.setOnClickListener(this);
        mIbNavigationBack.setOnClickListener(this);
        mEtLoginUsername.setOnClickListener(this);
        mIvLoginUsernameDel.setOnClickListener(this);
        mBtLoginSubmit.setOnClickListener(this);
        mBtLoginRegister.setOnClickListener(this);
        mEtLoginPwd.setOnClickListener(this);
        mIvLoginPwdDel.setOnClickListener(this);
        findViewById(R.id.ib_login_weibo).setOnClickListener(this);
        findViewById(R.id.ib_login_qq).setOnClickListener(this);
        findViewById(R.id.ib_login_wx).setOnClickListener(this);

        //注册其它事件
        mLayBackBar.getViewTreeObserver().addOnGlobalLayoutListener(this);
        mEtLoginUsername.setOnFocusChangeListener(this);
        mEtLoginUsername.addTextChangedListener(this);
        mEtLoginPwd.setOnFocusChangeListener(this);
        mEtLoginPwd.addTextChangedListener(this);
    }

    @Override
    public void onClick(View view) {
        switch (view.getId()) {
            case R.id.ib_navigation_back:
                //返回
                finish();
                break;
            case R.id.et_login_username:
                mEtLoginPwd.clearFocus();
                mEtLoginUsername.setFocusableInTouchMode(true);
                mEtLoginUsername.requestFocus();
                break;
            case R.id.et_login_pwd:
                mEtLoginUsername.clearFocus();
                mEtLoginPwd.setFocusableInTouchMode(true);
                mEtLoginPwd.requestFocus();
                break;
            case R.id.iv_login_username_del:
                //清空用户名
                mEtLoginUsername.setText(null);
                break;
            case R.id.iv_login_pwd_del:
                //清空密码
                mEtLoginPwd.setText(null);
                break;
            case R.id.bt_login_submit:
                //登录
                loginRequest();
                break;
            case R.id.bt_login_register:
                //注册
                startActivity(new Intent(MainActivity.this, RegisterActivity.class));
                break;
            case R.id.tv_login_forget_pwd:
                //忘记密码
                startActivity(new Intent(MainActivity.this, ForgetPwdActivity.class));
                break;
            case R.id.ll_login_layer:
            case R.id.ll_login_pull:
                mLlLoginPull.animate().cancel();
                mLlLoginLayer.animate().cancel();

                int height = mLlLoginOptions.getHeight();
                float progress = (mLlLoginLayer.getTag() != null && mLlLoginLayer.getTag() instanceof Float) ? (float) mLlLoginLayer.getTag() : 1;
                int time = (int) (360 * progress);

                if (mLlLoginPull.getTag() != null) {
                    mLlLoginPull.setTag(null);
                    glide(height, progress, time);
                } else {
                    mLlLoginPull.setTag(true);
                    upGlide(height, progress, time);
                }
                break;
            case R.id.ib_login_weibo:
                weiboLogin();
                break;
            case R.id.ib_login_qq:
                qqLogin();
                break;
            case R.id.ib_login_wx:
                weixinLogin();
                break;
            default:
                break;
        }
    }

参考了https://blog.csdn.net/ifu25/article/details/83182334

可以实现登陆界面