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Java 将editText的内容输出到要在textView中显示的数组_Java_Android_Textview - Fatal编程技术网

Java 将editText的内容输出到要在textView中显示的数组

Java 将editText的内容输出到要在textView中显示的数组,java,android,textview,Java,Android,Textview,我无法将数据从editText输出到textView。我的应用程序请求用户输入,然后通过将它们与其他单词连接在一起来显示,并在最后以一个字符串显示在textView中,尽管出于测试目的,我始终使textView可见。使用按钮询问下一个单词。问题是我一次只能显示数组的一个元素。例如,如果我在编辑文本中输入单词“table”,然后按下按钮。文本视图将显示“有一个表是”。一旦我输入另一个单词,如“黄色”,并按下按钮,它会显示“有一个是黄色的” 这是我的密码 public class MainActiv

我无法将数据从editText输出到textView。我的应用程序请求用户输入,然后通过将它们与其他单词连接在一起来显示,并在最后以一个字符串显示在textView中,尽管出于测试目的,我始终使textView可见。使用按钮询问下一个单词。问题是我一次只能显示数组的一个元素。例如,如果我在编辑文本中输入单词“table”,然后按下按钮。文本视图将显示“有一个表是”。一旦我输入另一个单词,如“黄色”,并按下按钮,它会显示“有一个是黄色的”

这是我的密码

public class MainActivity extends AppCompatActivity {


    int i = -1;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        chooseGame();

    }

    public String enterWord() {


        String[] array = {"Adjective", "Adjective", "Proper Noun", "Name"};
        String entry;
        if (array[i].equals("Adjective")) {

            entry = "Enter an ";
        } else {
            entry = "Enter a ";
        }
        return entry;

    }


    public void nextWord(View view) { //nextWord is the cnclick of the button


        i++;
        getNextWord();

    getInputs();



    }



    public void getNextWord() {
        String[] array = {"Adjective", "Adjective", "Proper Noun", "Name"};
        TextView wordTextView = findViewById(R.id.wordTextView);
        Button nextButton = findViewById(R.id.nextButton);

        EditText editTextView = findViewById(R.id.enterEditText);
        String displayText = enterWord() + array[i];
        String displayHint = array[i];

        wordTextView.setText(displayText);
        editTextView.setHint(displayHint);


        }

    }

    public void chooseGame() {


        final ArrayList<String> arrayList = new ArrayList<String>();

        final TextView wordTextView = findViewById(R.id.wordTextView);
        final EditText editTextView = findViewById(R.id.enterEditText);
        final Button nextButton = findViewById(R.id.nextButton);


        ArrayList<String> gamesArrayList = new ArrayList<String>();
        gamesArrayList.add("A Vegan's Worst Nightmare");
        gamesArrayList.add("The Wet Floor Sign");
        gamesArrayList.add("The Meaning of life");
        gamesArrayList.add("Campfire Story");
        gamesArrayList.add("The Crocobearamouse");


        final ListView gamesListView = findViewById(R.id.gamesListView);

        ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(
                this,
                android.R.layout.simple_list_item_1,
                gamesArrayList);

        gamesListView.setAdapter(arrayAdapter);
        gamesListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
                                                 @Override
                                                 public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                                                     if (position <= 5 && position >= 0) {

                                                         gamesListView.setVisibility(View.INVISIBLE);

                                                         editTextView.setVisibility((View.VISIBLE));
                                                         wordTextView.setVisibility((View.VISIBLE));
                                                         nextButton.setVisibility(View.VISIBLE);

                                                     }

                                                 }


                                             }
        );


    }

        public void getInputs() {
    TextView finalTextView = findViewById(R.id.finalTextView);
            EditText editTextView = findViewById(R.id.enterEditText);
            String[] inputsArray = {"","","","",""};
       inputsArray[i] = editTextView.getText().toString();
       String inputs = "There is a " + inputsArray[0] + " that is" + inputsArray[1];

        finalTextView.setText(inputs);


    }



    }
public类MainActivity扩展了AppCompatActivity{
int i=-1;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
选择名称();
}
公共字符串enterWord(){
字符串[]数组={“形容词”、“形容词”、“专有名词”、“名称”};
字符串输入;
if(数组[i].equals(“形容词”)){
entry=“输入一个”;
}否则{
entry=“输入a”;
}
返回条目;
}
public void nextWord(视图){//nextWord是按钮的cnclick
i++;
getNextWord();
getInputs();
}
public void getNextWord(){
字符串[]数组={“形容词”、“形容词”、“专有名词”、“名称”};
TextView-wordTextView=findViewById(R.id.wordTextView);
按钮nextButton=findviewbyd(R.id.nextButton);
EditText editTextView=findViewById(R.id.enterEditText);
字符串displayText=enterWord()+数组[i];
字符串displayHint=数组[i];
设置文本(显示文本);
setHint(displayHint);
}
}
public void chooseGame(){
最终ArrayList ArrayList=新ArrayList();
最终文本视图wordTextView=findViewById(R.id.wordTextView);
final EditText editTextView=findViewById(R.id.enterEditText);
最终按钮nextButton=findviewbyd(R.id.nextButton);
ArrayList gamesArrayList=新建ArrayList();
添加(“素食者最可怕的噩梦”);
游戏列表。添加(“湿地板标志”);
游戏列表。添加(“生命的意义”);
gamesArrayList.add(“篝火故事”);
gamesArrayList.add(“鳄鱼之家”);
最终列表视图gamesListView=findViewById(R.id.gamesListView);
ArrayAdapter ArrayAdapter=新的ArrayAdapter(
这
android.R.layout.simple\u list\u item\u 1,
游戏列表);
gamesListView.setAdapter(arrayAdapter);
gamesListView.setOnItemClickListener(新的AdapterView.OnItemClickListener(){
@凌驾
public void onItemClick(AdapterView父对象、视图、整型位置、长id){
如果(位置=0){
gamesListView.setVisibility(视图.不可见);
setVisibility((View.VISIBLE));
setVisibility((View.VISIBLE));
设置可见性(View.VISIBLE);
}
}
}
);
}
公共输入(){
TextView finalTextView=findViewById(R.id.finalTextView);
EditText editTextView=findViewById(R.id.enterEditText);
字符串[]inputsArray={“”、“”、“”、“”、“”、“”};
inputsArray[i]=editTextView.getText().toString();
String inputs=“有一个“+inputsArray[0]+”即“+inputsArray[1]”;
finalTextView.setText(输入);
}
}
这是我的XML

  <TextView

        android:id="@+id/wordTextView"
        android:layout_width="418dp"
        android:layout_height="146dp"
        android:layout_marginTop="84dp"
        android:text="Enter a noun"
        android:gravity="center"
        android:textSize="30sp"
        android:visibility="invisible"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <EditText
        android:id="@+id/enterEditText"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="244dp"
        android:ems="10"
        android:hint="Noun"
        android:visibility="invisible"
        android:inputType="textPersonName"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="@+id/wordTextView" />

    <Button
        android:id="@+id/nextButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="180dp"
        android:onClick="nextWord"
        android:text="Next"
        android:visibility="invisible"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.498"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="@+id/enterEditText"
        app:layout_constraintVertical_bias="0.0" />

    <ListView
        android:id="@+id/gamesListView"
        android:layout_width="404dp"
        android:layout_height="647dp"
        tools:layout_editor_absoluteX="3dp"
        tools:layout_editor_absoluteY="84dp" />

    <TextView
        android:id="@+id/finalTextView"
        android:layout_width="157dp"
        android:layout_height="98dp"
        app:layout_constraintBottom_toTopOf="@+id/enterEditText"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

在getInputs()方法中,每次都创建一个新数组,该数组将清除以前添加的值

将下面的行移到getInputs()方法之外,这样它就可以用于整个类(例如,在int i=-1;行下面)

这样,您就不会每次都重写数组,它将显示“有一个表是黄色的”,而不是“有一个表是黄色的”

String[] inputsArray = {"","","","",""};