我有一个奇怪的问题,我不知道问题出在哪里.
我有一个XML文件,其中包含两个线性布局,根据使用的设置,一次只能看到一个.两个视图都是动态生成的,并设置了一个on click listener和onlongclicklistener.
以下是XML布局:
- <?xml version="1.0" encoding="utf-8"?>
- <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
- android:layout_width="match_parent"
- android:layout_height="wrap_content"
- android:orientation="vertical">
- <LinearLayout android:id="@+id/resultTableContainer"
- android:layout_width="match_parent"
- android:layout_height="match_parent"
- android:orientation="vertical"
- android:visibility="gone">
- <ScrollView
- android:layout_width="match_parent"
- android:layout_height="wrap_content"
- android:scrollbars="horizontal"
- android:fillViewport="true">
- <HorizontalScrollView
- android:layout_width="match_parent"
- android:layout_height="wrap_content"
- android:fillViewport="true">
- <TableLayout android:id="@+id/resultTable"
- android:stretchColumns="1"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:shrinkColumns="false">
- </TableLayout>
- </HorizontalScrollView>
- </ScrollView>
- </LinearLayout>
- <LinearLayout android:id="@+id/formattedResultContainer"
- android:layout_width="match_parent"
- android:layout_height="match_parent"
- android:orientation="vertical"
- android:visibility="gone">
- <ScrollView android:id="@+id/formattedScrollContainer"
- android:layout_width="match_parent"
- android:layout_height="match_parent"
- android:scrollbars="vertical">
- <LinearLayout android:id="@+id/formattedResult"
- android:layout_width="match_parent"
- android:layout_height="wrap_content"
- android:orientation="vertical"/>
- </ScrollView>
- </LinearLayout>
- </RelativeLayout>
为简单起见,我将调用第一个线性布局容器视图1和第二个线性布局容器视图2.
默认情况下,两个视图的可见性设置都已消失,当屏幕首次加载时,视图1的可见性设置为可见,并使用以下代码动态生成视图:
- @Override
- public void processResult(final View.OnClickListener editRowClickListener,final View.OnLongClickListener columnLongClickListener)
- {
- try
- {
- this.getActivity().runOnUiThread(new Runnable()
- {
- @Override
- public void run()
- {
- if (shouldExistingResultBeCleared())
- {
- resultView.removeAllViews();
- }
- if (getSettings().getInt(Defines.SharedPreferenceSettings.APPLICATION_THEME,com.BoardiesITSolutions.Library.R.style.LibAppTheme)
- == com.BoardiesITSolutions.Library.R.style.LibAppTheme)
- {
- resultView.setBackgroundColor(Color.WHITE);
- }
- else
- {
- resultView.setBackgroundColor(Color.BLACK);
- }
- }
- });
- this.showDialog(getJSONResult().length());
- new Thread(new Runnable()
- {
- @Override
- public void run()
- {
- try
- {
- for (int i = 0; i < getJSONResult().length(); i++)
- {
- HashMap<Integer,String> fieldIndexAndValue = new HashMap<Integer,String>();
- final TableRow tr;
- if (!getSettings().getBoolean("IsDarkTheme",false))
- {
- tr = (TableRow) getFragment().getLayoutInflater(getFragment().getArguments()).inflate(R.layout.result_table_row_light_theme,resultView,false);
- } else
- {
- tr = (TableRow) getFragment().getLayoutInflater(getFragment().getArguments()).inflate(R.layout.result_table_row_dark_theme,false);
- }
- if (i == 0)
- {
- tr.setBackgroundColor(ContextCompat.getColor(getActivity(),R.color.appPrimaryColour));
- }
- else if (i % 2 == 0)
- {
- if (!getSettings().getBoolean("IsDarkTheme",false))
- {
- tr.setBackgroundColor(ContextCompat.getColor(getActivity(),R.color.resultRowLightThemeAlternateRow));
- } else
- {
- tr.setBackgroundColor(ContextCompat.getColor(getActivity(),R.color.resultRowDarkThemeAlternateRow));
- }
- }
- ImageButton imageButton = (ImageButton) getFragment().getLayoutInflater(getFragment().getArguments()).inflate(R.layout.row_edit_image,tr,false);
- imageButton.setOnClickListener(editRowClickListener);
- tr.addView(imageButton);
- if (i == 0)
- {
- imageButton.setVisibility(View.INVISIBLE);
- }
- JSONArray array = getJSONResult().getJSONArray(i);
- String currentField = null;
- for (int j = 0; j < array.length(); j++)
- {
- final TextView textView;
- textView = (TextView) getFragment().getLayoutInflater(getFragment().getArguments()).inflate(R.layout.result_textview,false);
- textView.setText(array.getString(j));
- if (!getSettings().getBoolean(Defines.SharedPreferenceSettings.MULTILINE_RESULT,true))
- {
- textView.setSingleLine(true);
- }
- if (i == 0)
- {
- textView.setTypeface(null,Typeface.BOLD);
- //Get the fields into a index and field hash map
- addIndexAndField(j,array.getString(j));
- } else
- {
- textView.setOnLongClickListener(columnLongClickListener);
- fieldIndexAndValue.put(j,array.getString(j));
- }
- getActivity().runOnUiThread(new Runnable()
- {
- @Override
- public void run()
- {
- tr.addView(textView);
- }
- });
- }
- imageButton.setTag(fieldIndexAndValue);
- getActivity().runOnUiThread(new Runnable()
- {
- @Override
- public void run()
- {
- resultView.addView(tr);
- }
- });
- updateProgressDialog();
- //handler.sendMessage(handler.obtainMessage());
- }
- closeDialog();
- //((ResultProcessor)resultProcessor).closeDialog();
- }
- catch (JSONException ex)
- {
- }
- }
- }).start();
- }
- catch (Exception ex)
- {
- }
- }
这完全没问题.用户按下选项以切换到视图2,因此视图1被清除,可见性设置为消失,视图2被设置为可见.然后动态生成此视图,并相应地将单击侦听器设置为视图. (我没有包含此视图的代码,因为我认为它不相关,并且此视图始终无例外地工作).
如果用户然后切换回视图1,则清除视图2,并且可见性设置为消失,视图1恢复可见,并且使用与上面所示相同的方法动态地重新创建视图并分配on click侦听器.
视图自我看起来很好,但是没有用户交互可能,滚动视图不再垂直或水平滚动,并且点击处理程序都不起作用.
由于视图1工作一次,我不明白为什么它不会重新生成,但视图2总是有效,无论如何.