如何将文本动态分配给特定的 textview 。 （安卓）

Question

我的布局中有很多文本视图。

当用户点击按钮时，它应该将edittext中的文本设置为textview1。

如果用户再次单击编辑文本中的文本，则应在 textview2 中设置，以 textview3 textview4.......

当用户单击按钮时如何转到下一个文本视图

布局文件

     ...
    ...
    ...
    ..
<LinearLayout
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:layout_weight="50"
    android:orientation="vertical" 
    android:id="@+id/tvLayout">

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:orientation="horizontal" >

        <TextView
            android:id="@+id/textView1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium" />

        <TextView
            android:id="@+id/textView2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium" />

        <TextView
            android:id="@+id/textView3"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium" />
    </LinearLayout>

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:orientation="horizontal" >

        <TextView
            android:id="@+id/textView4"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium" />

        <TextView
            android:id="@+id/textView5"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium" />

        <TextView
            android:id="@+id/textView6"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium" />
    </LinearLayout>

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:orientation="horizontal" >

        <TextView
            android:id="@+id/textView7"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium" />

        <TextView
            android:id="@+id/textView8"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium" />

        <TextView
            android:id="@+id/textView9"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium" />
    </LinearLayout>
</LinearLayout>
...
...
...
..

and my activity file

初始化..

    myLayout = (LinearLayout) findViewById(R.id.tvLayout);
    myTextViewList = new ArrayList<TextView>();
    counter =0;



    for (int i = 0; i < myLayout.getChildCount(); i++)
        if (myLayout.getChildAt(i) instanceof TextView)
            myTextViewList.add((TextView) myLayout.getChildAt(i)); 

设置文本..

          TextView tv = myTextViewList.get(counter);
            tv.setText(ss);

Answer 1

为你的布局 ViewGroup 运行这个，所有的 TextViews 都将在 mTextViews 中。

List<TextView> mTextViews = new ArrayList();

void getAllTextViews(ViewGroup v) {
    for (int i = 0; i < v.getChildCount(); i++) {
    View child = v.getChildAt(i);
    if(child instanceof ViewGroup)
        getAllTextViews((ViewGroup)child);
    else if(child instanceof TextView)
        mTextViews.add((TextView)child);
    }
}

之后，您可以通过通用迭代器在 TextViews 中设置文本。

Answer 2

试试这个：

private ArrayList<TextView> getChildTextViews(LinearLayout myLayout)
{
  for(int i = 0; i < myLayout.getChildCount(); i++)
  {
    View child = myLayout.getChildAt(i);
    if(child instanceof LinearLayout)
      getChildTextViews((LinearLayout) child);
    else if(child instanceof TextView)
      myTextViewList.add((TextView)child);
  }
}



LinearLayout myLayout = (LinearLayout) findViewById(R.id.lineraLayout);
ArrayList<TextView> myTextViewList = getChildTextViews(myLayout);
int counter = 0;
Button button= (Button) findViewById(R.id.buttonId);
button.setOnClickListener(new View.OnClickListener() {
  @Override
  public void onClick(View v) {
     EditText et=(EditText)findViewById(R.id.editText);
     String txt = et.getText().toString();
     TextView tv = myTextViewList.get(counter);
     tv.setText(txt);
     counter++;
  }
});

这是您获取布局 ID 的地方：

<LinearLayout android:id="@+id/linearLayout" >
   //Here is where your TextViews would be declared
</LinearLayout>