安卓仿QQ界面

新建空的活动页面

JAVA代码：

import android.app.ProgressDialog; import android.content.Intent; import android.os.Bundle; import android.os.SystemClock; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.CheckBox; import android.widget.EditText; import android.widget.ImageView; import android.widget.ProgressBar; import android.widget.TextView; import android.widget.Toast; import androidx.appcompat.app.AppCompatActivity; import com.example.llk_qq.user.Register; import com.example.llk_qq.user.UserDB; import com.example.llk_qq.user.user; public class Login extends AppCompatActivity implements View.OnClickListener { private UserDB userDB; private user user; private EditText account2, pwd; private CheckBox remember; private Button LoginButton, RegistButton; private TextView alluser; private ProgressBar progressBar; ProgressDialog prodialog; public static final String TAG = com.example.llk_qq.Login.class.getName(); private ImageView iv_showCode; private EditText et_phoneCode; private EditText et_phoneNum; //产生的验证码 private String realCode; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_login); account2=findViewById(R.id.accountedit); pwd=findViewById(R.id.passwordedit); iv_showCode = (ImageView) findViewById(R.id.iv_showCode); //将验证码用图片的形式显示出来 iv_showCode.setImageBitmap(com.example.llk_qq.Code.getInstance().createBitmap()); realCode = com.example.llk_qq.Code.getInstance().getCode().toLowerCase(); iv_showCode.setOnClickListener(this); final ProgressDialog dialog = new ProgressDialog(this); et_phoneCode = (EditText) findViewById(R.id.et_phoneCodes); Button button1 = (Button) findViewById(R.id.go); button1.setOnClickListener(this); Button button2 = (Button) findViewById(R.id.add); Button button3 = (Button) findViewById(R.id.forget); button2.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent(com.example.llk_qq.Login.this, Register.class); startActivity(intent); } }); button3.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent(com.example.llk_qq.Login.this, com.example.llk_qq.FindPwd.class); startActivity(intent); } }); } @Override public void onClick(View v) { userDB =new UserDB(); userDB.OpenUserDb(this); String account, password; account=account2.getText().toString(); password=pwd.getText().toString(); user = userDB.findUserByAccout(account); switch (v.getId()) { case R.id.iv_showCode: iv_showCode.setImageBitmap(com.example.llk_qq.Code.getInstance().createBitmap()); realCode = com.example.llk_qq.Code.getInstance().getCode().toLowerCase(); Log.v(TAG, "realCode" + realCode); break; case R.id.go: String phoneCode = et_phoneCode.getText().toString().toLowerCase(); if (user == null) { Toast.makeText(this, "账号不存在", Toast.LENGTH_SHORT).show(); return; } else if(!account.equals(user.getAccount()) || !password.equals(user.getPassword())){ Toast.makeText(this, "账号或密码错误", Toast.LENGTH_SHORT).show(); }else if(!phoneCode.equals(realCode)){ Toast.makeText(this, "验证码错误", Toast.LENGTH_SHORT).show(); } else if (account.equals(user.getAccount())&&password.equals(user.getPassword())&&phoneCode.equals(realCode)) { final ProgressDialog dialog = new ProgressDialog(this); dialog.setTitle("正在登录，请稍后..."); // 设置一下进度条的样式 dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); // 最后一步一定要记得show 出来 dialog.show(); // 创建一个子线程 new Thread() { public void run() { // 设置进度条最大值 dialog.setMax(100); // 设置当前进度 for (int i = 0; i <= 100; i++) { dialog.setProgress(i); // 睡眠一会 SystemClock.sleep(20); } // 关闭对话框 dialog.dismiss(); Intent intent = new Intent(com.example.llk_qq.Login.this, com.example.llk_qq.User.class); intent.putExtra("account",user.getAccount()); intent.putExtra("name",user.getName()); intent.putExtra("age",user.getAge()); intent.putExtra("sex",user.getSex()); intent.putExtra("psd",user.getPassword()); startActivity(intent); }; }.start(); } else { Toast.makeText(com.example.llk_qq.Login.this, phoneCode + "验证码错误", Toast.LENGTH_SHORT).show(); } break; } } }

XML代码

<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:background="#FFFFFF" > <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <TextView android:background="@drawable/qq" android:id="@+id/qq" android:layout_marginTop="20dp" android:layout_marginLeft="100dp" android:layout_width="200dp" android:layout_height="150dp" /> <EditText android:id="@+id/accountedit" android:layout_width="300dp" android:layout_height="60dp" android:layout_gravity="center" android:layout_marginLeft="10dp" android:background="@drawable/input" android:gravity="center" android:hint="QQ号/手机号/邮箱" android:textSize="23dp"></EditText> <EditText android:id="@+id/passwordedit" android:background="@drawable/input" android:hint="密码" android:textSize="23dp" android:gravity="center" android:layout_marginLeft="58dp" android:layout_width="300dp" android:layout_marginTop="20dp" android:layout_height="60dp"></EditText> <LinearLayout android:layout_marginTop="30dp" android:layout_width="match_parent" android:layout_height="80dp" android:orientation="horizontal"> <EditText android:id="@+id/et_phoneCodes" android:layout_width="200dp" android:layout_height="50dp" android:background="@null" android:hint="请输入右侧验证码" android:gravity="center" android:layout_marginLeft="50dp" android:layout_marginTop="20dp" /> <ImageView android:id="@+id/iv_showCode" android:layout_width="100dp" android:layout_marginLeft="30dp" android:layout_height="50dp" android:layout_marginTop="20dp"/> </LinearLayout> <Button android:id="@+id/go" android:layout_width="70dp" android:layout_height="70dp" android:layout_below="@id/passwordedit" android:layout_marginTop="30dp" android:layout_marginLeft="180dp" android:background="@drawable/go" android:onClick="go"/> <Button android:id="@+id/forget" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@id/go" android:layout_marginLeft="120dp" android:layout_marginTop="100dp" android:background="#00000000" android:text="忘记密码" /> <Button android:id="@+id/add" android:background="#00000000" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="230dp" android:layout_below="@id/go" android:layout_marginTop="-48dp" android:text="用户注册"/> </LinearLayout> </RelativeLayout>

实际功能