activity_main.xml
<?xml version="1.0" encoding="utf-8"?> <androidx.constraintlayout.widget.ConstraintLayout 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" tools:context=".MainActivity"> <LinearLayout android:layout_width="0dp" android:layout_height="0dp" android:orientation="vertical" android:padding="10dp" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toTopOf="parent" app:layout_constraintVertical_bias="0.0"> <TextView android:id="@+id/TextView" android:layout_width="342dp" android:layout_height="214dp" android:gravity="center" android:text="体温填报" android:textSize="30sp" android:textStyle="bold" /> <TextView android:id="@+id/tv_status" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="20dp" android:gravity="center" android:text="" android:textSize="20sp" android:textStyle="bold" /> <TextView android:id="@+id/tv_id" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="10dp" android:gravity="center" android:text="" android:textSize="17sp" android:textStyle="bold" /> <TextView android:id="@+id/tv_number" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="10dp" android:gravity="center" android:text="" android:textSize="17sp" android:textStyle="bold" /> <Button android:id="@+id/btn_start_register" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="30dp" android:background="@android:color/holo_blue_bright" android:onClick="btn_start_register_onclick" android:text="注册" android:textStyle="bold" /> <Button android:id="@+id/btn_start_signin" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="10dp" android:background="@android:color/holo_blue_bright" android:onClick="btn_start_siginin_onclick" android:text="登录" android:textStyle="bold" /> <Button android:id="@+id/btn_start_add" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="10dp" android:background="@android:color/holo_blue_bright" android:onClick="btn_start_add_onclick" android:text="填写体温" android:textStyle="bold" /> <Button android:id="@+id/btn_start_excel" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="10dp" android:background="@android:color/holo_blue_bright" android:onClick="btn_start_excel_onclick" android:text="查看Excel表" android:textStyle="bold" /> </LinearLayout> </androidx.constraintlayout.widget.ConstraintLayout>
MainActivity.java
package com.example.tem; import androidx.annotation.Nullable; import androidx.appcompat.app.AppCompatActivity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.TextView; public class MainActivity extends AppCompatActivity { private TextView tvStatus; private TextView tvId; private TextView tvNumber; private static final int REQUEST_REGISTER_CODE=1; private static final int REQUEST_SIGNIN_CODE=0; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); tvStatus=findViewById(R.id.tv_status); tvId=findViewById(R.id.tv_id); tvNumber=findViewById(R.id.tv_number); } public void btn_start_siginin_onclick(View view) { Intent intent=new Intent(this,SigninActivity.class); startActivityForResult(intent,REQUEST_SIGNIN_CODE); } public void btn_start_register_onclick(View view) { Intent intent=new Intent(this,RegisterActivity.class); startActivityForResult(intent,REQUEST_REGISTER_CODE); } @Override protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent intent) { super.onActivityResult(requestCode, resultCode, intent); if(intent==null){ return; } switch (requestCode){ case REQUEST_REGISTER_CODE: tvStatus.setText("注册成功"); tvId.setText("姓名:"+intent.getStringExtra("id")); tvNumber.setText("学号:"+intent.getStringExtra("number")); break; case REQUEST_SIGNIN_CODE: tvStatus.setText("登录成功"); tvId.setText("您好,"+intent.getStringExtra("id")); tvNumber.setText(""); break; } } public void btn_start_add_onclick(View view) { Intent intent=new Intent(this,TempActivity.class); startActivity(intent); } public void btn_start_excel_onclick(View view) { } }