10天冲刺第七天

今天做了什么：

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:id="@+id/main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".submissionActivity">

    <ScrollView
        android:layout_width="fill_parent"
        android:layout_height="match_parent"
        android:layout_weight="1"
        tools:ignore="MissingConstraints">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical">

            <ImageView
                android:layout_width="match_parent"
                android:layout_height="20dp"
                android:background="@color/white" />

            <EditText
                android:id="@+id/ed_title"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:background="@drawable/shape_gray_square_bg"
                android:hint="标题"
                android:maxLength="20"
                android:textSize="30dp"/>

            <EditText
                android:id="@+id/ed_context"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:background="@drawable/shape_gray_square_bg"
                android:gravity="top"
                android:minHeight="500dp"
                android:maxLength="1500"
                android:hint="正文" />
            <Button
                android:id="@+id/bt_commit"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="投稿"/>
        </LinearLayout>
    </ScrollView>

</LinearLayout>

　　

对应代码：

package com.example.psychological;

import android.content.Intent;
import android.os.Bundle;
import android.os.Looper;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import androidx.activity.EdgeToEdge;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.graphics.Insets;
import androidx.core.view.ViewCompat;
import androidx.core.view.WindowInsetsCompat;

import com.example.psychological.javaClass.Dao;

import java.sql.SQLException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class submissionActivity extends AppCompatActivity implements View.OnClickListener {

    private EditText ed_title;
    private EditText ed_context;
    private Button bt_commit;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_submission);
        getSupportActionBar().hide();
        ed_title = findViewById(R.id.ed_title);
        ed_context = findViewById(R.id.ed_context);
        bt_commit = findViewById(R.id.bt_commit);
        bt_commit.setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        new Thread(new Runnable() {
            @Override
            public void run() {
                Dao d= new Dao();
                String title=ed_title.getText().toString();
                String context=ed_context.getText().toString();
                if(title.equals("")||context.equals("")){
                    Looper.prepare();
                    Toast.makeText(submissionActivity.this,"输入为空", Toast.LENGTH_SHORT).show();
                    Looper.loop();
                }
                SimpleDateFormat formatter= new SimpleDateFormat("yyyy.MM.dd");
                Date date = new Date(System.currentTimeMillis());
                try {
                    d.addEssay(String.valueOf(d.getLength2()),title,context,formatter.format(date));
                } catch (SQLException e) {
                    throw new RuntimeException(e);
                }
                finish();
                startActivity(new Intent(submissionActivity.this,MainActivity.class));
            }
        }).start();
    }
}

　　

文章展示界面：

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:id="@+id/main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".essayActivity">
    <ScrollView
        android:layout_width="fill_parent"
        android:layout_height="match_parent"
        android:layout_weight="1"
        tools:ignore="MissingConstraints">
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical">
            <ImageView
                android:layout_width="match_parent"
                android:layout_height="20dp"
                android:background="@color/white"/>
            <TextView
                android:id="@+id/tv_title"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:textSize="30dp"
                android:gravity="center"/>
            <TextView
                android:id="@+id/tv_context"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"/>
        </LinearLayout>
    </ScrollView>


</LinearLayout>

　　资源文件：

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">
        <ImageView
            android:layout_width="match_parent"
            android:layout_height="2dp"
            android:background="@color/black"/>
        <TextView
            android:id="@+id/tv_title"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:textSize="30dp"
            android:background="@color/teal_200"
            android:minLines="2" />
        <TextView
            android:id="@+id/tv_date"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:background="@color/gray"
            android:gravity="right"
            android:minLines="1"
            android:maxLines="1" />
        <ImageView
            android:layout_width="match_parent"
            android:layout_height="20dp"
            android:background="@color/white"/>
    </LinearLayout>
</LinearLayout>

　　对应代码：

package com.example.psychological;

import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.widget.TextView;

import androidx.activity.EdgeToEdge;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.graphics.Insets;
import androidx.core.view.ViewCompat;
import androidx.core.view.WindowInsetsCompat;

import com.example.psychological.javaClass.Dao;
import com.example.psychological.javaClass.Essay;

import java.sql.SQLException;

public class essayActivity extends AppCompatActivity {

    private TextView tv_title;
    private TextView tv_context;
    private Essay essay;
    private Handler handler=new Handler(new Handler.Callback() {
        @Override
        public boolean handleMessage(@NonNull Message msg) {
            switch (msg.what){
                case 0:
                    tv_title.setText(essay.getTitle());
                    tv_context.setText(essay.getContext());
                    break;
            }
            return true;
        }
    });
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        EdgeToEdge.enable(this);
        setContentView(R.layout.activity_essay);
        getSupportActionBar().hide();
        tv_title=findViewById(R.id.tv_title);
        tv_context=findViewById(R.id.tv_context);
        initData();
    }
    public void initData(){
        new Thread(new Runnable() {
            @Override
            public void run() {
                Dao d=new Dao();
                Intent intent=getIntent();
                String num=intent.getStringExtra("num");
                try {
                    essay=d.checkEssay(num);
                } catch (SQLException e) {
                    throw new RuntimeException(e);
                }
                Message msg=new Message();
                msg.what=0;
                handler.sendMessage(msg);
            }
        }).start();
    }
}

　　明天做什么：

预约后通知功能

遇到的问题：输入框随输入拉长，设置初始高度