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Insert the latest version of firebase into the dependencies of the Gradle

  dependencies 
  {
  
  
  // ...
  

  
  
    // Import the Firebase BoM
    
  implementation platform
    (
    'com.google.firebase:firebase-bom:29.0.3'
    )
  
  

  
  // When using the BoM, you don't specify versions in Firebase library dependencies
  

  
  // Declare the dependency for the Firebase SDK for Google Analytics
  
  
  
    implementation 
    'com.google.firebase:firebase-analytics'
  
  

  
  
    // Declare the dependencies for any other desired 
    
      Firebase products
    
  
  
  
  // For example, declare the dependencies for Firebase Authentication and Cloud Firestore
  
  implementation 
  'com.google.firebase:firebase-auth'
  
  implementation 
  'com.google.firebase:firebase-firestore'
  
    

  
  }
  

  

It took some time for synchronization and then popped up a form in the Chrome web browser as shown below

The default name of Firebase project is called NewWords, ie. Android Studio project name.

public class Member {
    String vocabulary;
String descriptionEng;
String descriptionChi;
String sentence;

    public String getVocabulary() {
        return vocabulary;
}

    public void setVocabulary(String vocabulary) {
        this.vocabulary = vocabulary;
}

    public String getDescriptionEng() {
        return descriptionEng;
}

    public void setDescriptionEng(String descriptionEng) {
        this.descriptionEng = descriptionEng;
}

    public String getDescriptionChi() {
        return descriptionChi;
}

    public void setDescriptionChi(String descriptionChi) {
        this.descriptionChi = descriptionChi;
}

    public String getSentence() {
        return sentence;
}

    public void setSentence(String sentence) {
        this.sentence = sentence;
}
}

  <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
  :layout_width
  ="match_parent"

  android
  :layout_height
  ="match_parent"

  tools
  :context
  =".MainActivity"

  android
  :orientation
  ="vertical"
  >

      <EditText

  android
  :id
  ="@+id/et_vocabulary"

  android
  :layout_width
  ="match_parent"

  android
  :layout_height
  ="wrap_content"

  android
  :hint
  ="Enter a new word"

  />

      <EditText

  android
  :id
  ="@+id/et_descriptionEng"

  android
  :layout_width
  ="match_parent"

  android
  :layout_height
  ="wrap_content"

  android
  :hint
  ="Enter an English description"

  />

      <EditText

  android
  :id
  ="@+id/et_descriptionChi"

  android
  :layout_width
  ="match_parent"

  android
  :layout_height
  ="wrap_content"

  android
  :hint
  ="Enter a Chinese description"

  />

      <EditText

  android
  :id
  ="@+id/et_sentence"

  android
  :layout_width
  ="match_parent"

  android
  :layout_height
  ="wrap_content"

  android
  :hint
  ="Enter a sample sentence"

  />

      <Button

  android
  :id
  ="@+id/btn_send"

  android
  :layout_width
  ="match_parent"

  android
  :layout_height
  ="50dp"

  android
  :text
  ="Send"
  />

  
    

  
  
    

  
  </LinearLayout>

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