在 ScrollView 内滚动 EditText-移动开发问题

Scrolling EditText inside ScrollView(在 ScrollView 内滚动 EditText)

本文介绍了在 ScrollView 内滚动 EditText的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我有一个讨厌的问题.我在 ScrollView 中有 EditText(8 行).当我试图在 EditText 中滚动文本时，它的行为并不稳定.有时它在滚动，有时它没有集中注意力.

I have a nasty problem. I have EditText(8 lines) inside ScrollView. And when I'm trying to scroll text in EditText it's behavior is not stable. Sometimes it's scrolling, some times it's not taking focus.

这是我的布局文件，让我的问题更清楚:

This is my layout file, to make my question more clear:

<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    android:padding="8dp" >

    <TextView
        android:id="@+id/wo_task_name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/no_description" />

    <TextView
        android:id="@+id/wo_task_description"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/no_description" />

    <TextView
        android:id="@+id/wo_task_comments_label"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="10dp"
        android:text="@string/comments" />

    <Button
        android:id="@+id/wo_task_select_comment"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/select_comment_from_template" />

    <EditText
        android:id="@+id/wo_task_comments"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:gravity="top|left"
        android:hint="@string/enter_your_comment_here"
        android:lines="8"
        android:maxLines="10"
        android:minLines="6"
        android:scrollbars="vertical"
        android:singleLine="false" />
</LinearLayout>

我知道我遇到这个问题是因为将一个可滚动控件放在另一个控件中，但我不知道该怎么做.所以，如果可以的话，请帮助我.

I understand that I'm having this issue because of holding one scrollable control inside another, yet I don't know what to do with this. So, please help me if you can.

提前致谢.

public void initComments(final View view) {
    EditText comment = (EditText) view.findViewById(R.id.wo_task_comments);

    comment.setOnTouchListener(new OnTouchListener() {

        @Override
        public boolean onTouch(final View v, final MotionEvent motionEvent) {
            if (view.getId() == R.id.wo_task_comments) {
                view.getParent().requestDisallowInterceptTouchEvent(true);
                switch (motionEvent.getAction() & MotionEvent.ACTION_MASK) {
                case MotionEvent.ACTION_UP:
                    view.getParent().requestDisallowInterceptTouchEvent(
                            false);
                    break;
                }
            }
            return false;
        }
    });

    comment.setText(currentTask.getComment() + "very very long comment"
            + "very very long comment
" + "very very long comment
"
            + "very very long comment
" + "very very long comment
"
            + "very very long comment");
}

我试过了，没有结果.我仍然无法滚动我的编辑框.

I've tried this, and no result. I'm still unable to scroll my editbox.

推荐答案

试试:

@Override
public void onCreate(Bundle savedInstanceState) {
    .....  
    EditText et = (EditText)findViewById(R.id.wo_task_comments);
    et.setOnTouchListener(this);
    .....
}

@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
    if(view.getId() == R.id.wo_task_comments){
        view.getParent().requestDisallowInterceptTouchEvent(true);
        switch (motionEvent.getAction() & MotionEvent.ACTION_MASK) {
            case MotionEvent.ACTION_UP:
                view.getParent().requestDisallowInterceptTouchEvent(false);
                break;
        }
    }
    return false;
}

在你的情况下:

public class MyActivity extends Activity  {

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    initComments(findViewById(R.id.YOUR_MAIN_LAYOUT_ID));  
}


public void initComments(final View view) {
    EditText comment = (EditText) view.findViewById(R.id.wo_task_comments);

    comment.setOnTouchListener(new View.OnTouchListener() {

        @Override
        public boolean onTouch(final View v, final MotionEvent motionEvent) {
            if (v.getId() == R.id.wo_task_comments) {
                v.getParent().requestDisallowInterceptTouchEvent(true);
                switch (motionEvent.getAction() & MotionEvent.ACTION_MASK) {
                    case MotionEvent.ACTION_UP:
                        v.getParent().requestDisallowInterceptTouchEvent(
                                false);
                        break;
                }
            }
            return false;
        }
    });

    comment.setText("very very long comment"
            + "very very long comment
" + "very very long comment
"
            + "very very long comment
" + "very very long comment
"
            + "very very long comment
" + "very very long comment
"
            + "very very long comment
" + "very very long comment
"
            + "very very long comment
" + "very very long comment
"
            + "very very long comment
" + "very very long comment
"
            + "very very long comment
" + "very very long comment
"
            + "very very long comment
" + "very very long comment
"
            + "very very long comment");
}

}

这篇关于在 ScrollView 内滚动 EditText的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持编程学习网！

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