2024.5.21

第五十三天

所花时间：2小时

代码量：400+

博客量：1

了解到的知识点：

团队作业3

注册

package com.example.share;

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;

//import androidx.activity.EdgeToEdge;
import androidx.appcompat.app.AppCompatActivity;

import com.example.share.R;
import com.example.share.dao.UserDao;
import com.example.share.entity.MyUser;
import com.example.share.entity.User;
import com.example.share.utils.CommonUtils;

public class register extends AppCompatActivity implements View.OnClickListener {


    private Button SignUpButton,btn_change;
    private EditText UserNameEdit,PassWordEdit;
    private Handler mainHandler;
    private UserDao userDao;
    protected static final int CHOOSE_PICTURE = 0;
    protected static final int TAKE_PICTURE = 1;
    private static final int CROP_SMALL_PICTURE = 2;
    protected static Uri tempUri;
    private ImageView iv_personal_icon;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
//        EdgeToEdge.enable(this);
        setContentView(R.layout.activity_register);
        mainHandler=new Handler(getMainLooper());
        userDao=new UserDao();


        SignUpButton = findViewById(R.id.SignUpButton);
        btn_change = findViewById(R.id.btn_change);
        UserNameEdit = findViewById(R.id.UserNameEdit);
        PassWordEdit = findViewById(R.id.PassWordEdit);

        SignUpButton.setOnClickListener(this);
        btn_change.setOnClickListener(this);

        iv_personal_icon =findViewById(R.id.iv_personal_icon);
    }

    @Override
    public void onClick(View v) {
        if (v.getId() == R.id.SignUpButton) {
            String name=UserNameEdit.getText().toString().trim();
            String password=PassWordEdit.getText().toString().trim();

            new Thread(new Runnable() {
                @Override
                public void run() {
                        MyUser myUser =new MyUser(name,password);
                    int iRow=0;
                    iRow=userDao.addMyUser(myUser);
                    Intent intent=new Intent(register.this, MainActivity.class);
                    Bundle bundle=new Bundle();
                    bundle.putString("name",name);
                    intent.putExtras(bundle);
                    startActivity(intent);

                    if(iRow>0){
                        mainHandler.post(new Runnable() {
                            @Override
                            public void run() {
                                CommonUtils.showShortMsg(register.this,"注册成功");
                            }
                        });
                    }
                    else{
                        mainHandler.post(new Runnable() {
                            @Override
                            public void run() {
                                CommonUtils.showShortMsg(register.this,"注册失败");
                                Intent intent=new Intent(getApplicationContext(), MainActivity.class);
                                startActivity(intent);
                            }
                        });
                    }
                }

            }).start();
        }
        

    }


    @Override
    public void onPointerCaptureChanged(boolean hasCapture) {
        super.onPointerCaptureChanged(hasCapture);
    }

}

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <!--使用线性布局-->
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        android:background="#F5F5F5"
        android:gravity="center_horizontal">

        <!--Logo-->
        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:padding="30dp" >

            <ImageView
                android:id="@+id/iv_personal_icon"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_centerInParent="true"
                android:src="@drawable/default_personal_image" />
        </RelativeLayout>

        <androidx.appcompat.widget.AppCompatButton
            android:id="@+id/btn_change"
            android:layout_marginTop="6dp"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="选择头像" >
        </androidx.appcompat.widget.AppCompatButton>

        <!--嵌套线性布局-->
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical">

            <!--嵌套线性布局-->
            <LinearLayout
                android:id="@+id/UserNameLayout"
                android:layout_width="match_parent"
                android:layout_height="match_parent">

                <!--用户名输入-->
                <EditText
                    android:id="@+id/UserNameEdit"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:padding="15dp"
                    android:layout_marginLeft="20dp"
                    android:layout_marginRight="20dp"
                    android:layout_marginTop="10dp"
                    android:layout_marginBottom="15dp"
                    android:background="@drawable/translucent_edit"
                    android:hint="输入用户名"
                    android:textSize="24dp"
                    android:singleLine="true" />

            </LinearLayout>

            <!--嵌套线性布局-->
            <LinearLayout
                android:id="@+id/PassWordLayout"
                android:layout_width="match_parent"
                android:layout_height="wrap_content">

                <!--密码输入-->
                <EditText
                    android:id="@+id/PassWordEdit"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:padding="15dp"
                    android:layout_marginLeft="20dp"
                    android:layout_marginRight="20dp"
                    android:layout_marginTop="10dp"
                    android:layout_marginBottom="15dp"
                    android:background="@drawable/translucent_edit"
                    android:hint="输入用户密码"
                    android:textSize="24dp"
                    android:maxLength="16"
                    android:singleLine="true"
                    android:inputType="textPassword" />

            </LinearLayout>

            <!--嵌套线性布局-->
            <LinearLayout
                android:id="@+id/LayoutButton"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="horizontal">


                <!--注册按钮-->
                <androidx.appcompat.widget.AppCompatButton
                    android:id="@+id/SignUpButton"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:padding="15dp"
                    android:layout_margin="15dp"
                    android:layout_weight="1"
                    android:textColor="@color/white"
                    android:background="@drawable/translucent_button"
                    android:text="注   册"
                    android:textSize="24dp" />

            </LinearLayout>

        </LinearLayout>

    </LinearLayout>
</androidx.constraintlayout.widget.ConstraintLayout>