在运行时生成的EditText中恢复键入的文本

Question

在我的项目中，我在运行时生成了一些EDITTEXT，EDITTEXT的数量是可变的。 必须恢复键入的文本并存储在不同的变量中，然后用它创建一个JSON对象。

下面是我用它来创建的EditText方法：

public View editText(String nmLabel, String tpRender) { 
    EditText e = new EditText(getBaseContext()); 
    e.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT)); 
    // e.setHint("DATE"); 

    if(tpRender.equals("NUMBER")) { 
     e.setHint("NUMBER"); 
    } 
    else if(tpRender.equals("DATE")) { 
     e.setHint("DATE"); 
    } 
    else if(tpRender.equals("TEXT")) { 
     e.setHint("TEXT"); 
    } 
    e.setTextColor(Color.BLACK); 
    e.setTextSize(20); 

    return(e); 
} 

如何获取文本分别输入？

Answer 1

由于您的EditTexts是在运行时创建的，您需要从它们的所有值中获取值来创建您的json，您可以使用List并将您的个人EditTexts存储在那里。喜欢的东西：

在XML文件中：

<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout 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" 
    android:paddingBottom="@dimen/activity_vertical_margin" 
    android:paddingLeft="@dimen/activity_horizontal_margin" 
    android:paddingRight="@dimen/activity_horizontal_margin" 
    android:paddingTop="@dimen/activity_vertical_margin" 
    android:orientation="vertical" 
    android:id="@+id/layout"> 

</LinearLayout> 

在您的活动，

List<EditText> allEditTexts; // The List to hold all EditTexts 
    LinearLayout layout; // The anchor layout 

    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_main); 
     layout = (LinearLayout) findViewById(R.id.layout); 
     allEditTexts = new ArrayList<EditText>(); 

     // I am running it three times, you can run as many times as you want 

     for (int i = 0; i < 3; i++) { 
     EditText editText = (EditText) editText("ANY LABEL", "NUMBER"); 
     layout.addView(editText); 
     allEditTexts.add(editText); 
     } 

     // Now I am adding a button that will read the values from the List when clicked 

     Button button = new Button(getApplicationContext()); 
     button.setText("Click"); 
     button.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View view) { 

       // Read the input here for all EditTexts. Then you can store it in some Array or process it differently. In my code I have just logged them. 

       for (EditText editText : allEditTexts) { 
        Log.d("TEXTINPUT", editText.getText().toString()); 
       } 
      } 
     }); 
     layout.addView(button); 
    } 

    // This is the code that you have, almost untouched. 
    public View editText(String nmLabel, String tpRender) { 
     EditText e = new EditText(getBaseContext()); 
     e.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT)); 
     // e.setHint("DATE"); 

     if (tpRender.equals("NUMBER")) { 
      e.setHint("NUMBER"); 
     } else if (tpRender.equals("DATE")) { 
      e.setHint("DATE"); 
     } else if (tpRender.equals("TEXT")) { 
      e.setHint("TEXT"); 
     } 
     e.setTextColor(Color.BLACK); 
     e.setTextSize(20); 
     allEditTexts.add(e); 
     return (e); 
    } 

希望这可以帮助你！