我正在使用以下代码。当我将方向从纵向更改为横向，然后再次更改为纵向。它给出了Exception“视图没有附加到窗口管理器”。 如何解决这个问题呢。 谢谢。
public class Search_List_Activity extends Activity{
public static String keyword=null, category_get_id;
public static ArrayList<String> type= new ArrayList<String>();
public static ArrayList<String> title= new ArrayList<String>();
public static ArrayList<String> des= new ArrayList<String>();
public static ArrayList<String> manu= new ArrayList<String>();
public static ArrayList<String> urls= new ArrayList<String>();
public static ArrayList<String> image_sm= new ArrayList<String>();
public static ArrayList<String> image_me= new ArrayList<String>();
public static ArrayList<String> image_la= new ArrayList<String>();
public static ArrayList<String> image_ex= new ArrayList<String>();
public static ArrayList<String> rel= new ArrayList<String>();
public static ArrayList<String> id= new ArrayList<String>();
public static ArrayList<String> cat_id= new ArrayList<String>();
public static ArrayList<String> min_price= new ArrayList<String>();
public static ArrayList<String> max_price= new ArrayList<String>();
public static ArrayList<String> stores= new ArrayList<String>();
public static ArrayList<String> offer_sku = new ArrayList<String>();
public static ArrayList<String> offer_detailurl = new ArrayList<String>();
public static ArrayList<String> offer_price = new ArrayList<String>();
public static ArrayList<String> offer_ori_price = new ArrayList<String>();
public static ArrayList<String> offer_markdownperct = new ArrayList<String>();
public static ArrayList<String> offer_shipcost = new ArrayList<String>();
public static ArrayList<String> offer_tax = new ArrayList<String>();
public static ArrayList<String> offer_total_price = new ArrayList<String>();
public static ArrayList<String> offer_bidded = new ArrayList<String>();
public static ArrayList<String> offer_merchant_prod_id = new ArrayList<String>();
public static ArrayList<String> offer_merchant_name = new ArrayList<String>();
public static ArrayList<String> offer_merchant_rating_img = new ArrayList<String>();
public static ArrayList<String> offer_merchant_logo = new ArrayList<String>();
public static ArrayList<String> offer_condition = new ArrayList<String>();
public static ArrayList<String> offer_stock = new ArrayList<String>();
public static ArrayList<String> offer_ship_amt = new ArrayList<String>();
public static ArrayList<String> offer_ship_type = new ArrayList<String>();
public static ArrayList<String> offer_id = new ArrayList<String>();
public static ArrayList<String> offer_cat_id = new ArrayList<String>();
public static ArrayList<String> offer_merchant_id = new ArrayList<String>();
public static ArrayList<String> category_id = new ArrayList<String>();
public static ArrayList<String> category_name = new ArrayList<String>();
public static ArrayList<String> offer_rating = new ArrayList<String>();
public static ArrayList<HashMap<String, Object>> mylist;
public static URL url1, url2;
public static JSONObject price;
public static String prod_type;
public static Boolean type_po;
public static Bitmap bmp;
public static String prod_id;
public static Boolean cat_flag;
static final int CATEGORIES_PRODUCE_ID = 0;
Dialog dialog_category;
Bundle bundle;
SQLiteDatabase db;
// TextView txt_search;
private String lv_arr[]={"Cell Phone Cases","NCAA Shop","MLB Shop","NBA Shop","NFL Shop","MP3 Player Cases and Skins","iPhone Cases and Skins"};
//ListView lv;
public static Boolean flag=true;
Boolean flagValue = true;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
//Getting the resolution of Tablet
Display display = getWindowManager().getDefaultDisplay();
int width = display.getWidth();
int height = display.getHeight();
System.out.println("Width:"+width);
System.out.println("Height:"+height);
//setContentView(R.layout.search_catagories);
if(width==600 && height==1024)
{
setContentView(R.layout.search_catagories);
System.out.println("HIiiiiiiiiiiiiii");
}
else{
flag = false;
setContentView(R.layout.search_categories_ls);
}
arraylists_clear();
TextView txt_search = (TextView)findViewById(R.id.editText1);
if(flagValue){
if(SearchRefine.checkflag){
bundle = getIntent().getExtras();
keyword = bundle.getString("keyword");
}
image_sm.clear();
title.clear();
min_price.clear();
//Opens or Create a database and Table
db = openOrCreateDatabase("recentsearches1.db",SQLiteDatabase.CREATE_IF_NECESSARY,null);
db.setVersion(1);
db.setLocale(Locale.getDefault());
db.setLockingEnabled(true);
final String DATA="create table if not exists new_searchtab1("+"id INTEGER PRIMARY KEY AUTOINCREMENT,"+"search TEXT UNIQUE);";
db.execSQL(DATA);
//=================End
ContentValues values = new ContentValues();
values.put("search", keyword);
long id1 = db.insert("new_searchtab1", null, values);
db.close();
}
//ArrayList<HashMap<String, Object>> mylist = new ArrayList<HashMap<String, Object>>();
final ListView lv = (ListView)findViewById(R.id.search_listView);
final ProgressDialog dialog = ProgressDialog.show(this, "BIZRATE",
"Loading....", true);
final Handler handler = new Handler() {
public void handleMessage(Message msg) {
//LoadEffAdapter();
lv.setAdapter(new EfficientAdapter(Search_List_Activity.this));
dialog.dismiss();
}
};
Thread checkUpdate = new Thread() {
public void run() {
//
// YOUR LONG CALCULATION (OR OTHER) GOES HERE
//
SearchResult_Json.json_parsing();
handler.sendEmptyMessage(0);
}
};
checkUpdate.start();
//final SearchResult_Json obj = new SearchResult_Json();
ImageButton grid_view_btn = (ImageButton)findViewById(R.id.gridview_bttn);
//Categories button
Button categories_btn = (Button)findViewById(R.id.categories_bttn);
categories_btn.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
Category_Search_Json.Json_parsing();
showDialog(CATEGORIES_PRODUCE_ID);
}
});
//Refine Button
Button btn_refine = (Button)findViewById(R.id.refine_bttn);
btn_refine.setOnClickListener(new View.OnClickListener() {
public void onClick(View arg0) {
//showDialog(SearchRefine.DIALOG_PRODUCE_ID);
// TODO Auto-generated method stub
Intent intent = new Intent(Search_List_Activity.this,SearchRefine.class);
intent.putExtra("keyword",keyword);//Loads Refine Search Screen
startActivity(intent);
}
});
//Grid Button
grid_view_btn.setOnClickListener(new View.OnClickListener() {
public void onClick(View arg0) {
// TODO Auto-generated method stub
//obj.json_parse();
Intent intent = new Intent(Search_List_Activity.this,Search_GridView_Activity.class);
intent.putExtra("keyword", bundle.getString("keyword"));
startActivity(intent);
}
});
txt_search.setText(keyword);
keyword = keyword.replaceAll(" ", "+");
System.out.println("The String:"+keyword);
lv.setBackgroundColor(Color.WHITE);
lv.setCacheColorHint(Color.WHITE);
//List View On item click
lv.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent,View view,int position,long idddd)
{
//To check the offer and products
if(type.get(position).equals("OFFER"))
{
prod_id = offer_id.get(position);
Intent intent = new Intent(Search_List_Activity.this,Compare_Product_Activity.class);
intent.putExtra("productType", "SZOID");
startActivity(intent);
}
else
{
prod_id = offer_id.get(position);
Intent intent = new Intent(Search_List_Activity.this,Compare_Product_Activity.class);
intent.putExtra("productType", "SZPID");
startActivity(intent);
}
}
});
}
private void arraylists_clear() {
// TODO Auto-generated method stub
type.clear();
image_sm.clear();
title.clear();
min_price.clear();
des.clear();
manu.clear();
urls.clear();
image_me.clear();
image_la.clear();
image_ex.clear();
rel.clear();
id.clear();
cat_id.clear();
min_price.clear();
max_price.clear();
stores.clear();
offer_sku.clear();
offer_detailurl.clear();
offer_price.clear();
offer_ori_price.clear();
offer_markdownperct.clear();
offer_shipcost.clear();
offer_tax.clear();
offer_total_price.clear();
offer_bidded.clear();
offer_merchant_prod_id.clear();
offer_merchant_name.clear();
offer_merchant_rating_img.clear();
offer_merchant_logo.clear();
offer_condition.clear();
offer_stock.clear();
offer_ship_amt.clear();
offer_ship_type.clear();
offer_id.clear();
offer_cat_id.clear();
offer_merchant_id.clear();
category_id.clear();
category_name.clear();
offer_rating.clear();
}
/*protected void LoadEffAdapter() {
// TODO Auto-generated method stub
lv.setAdapter(new EfficientAdapter(this));
}
*/
//Loading of Images, title, min_price
//Efficient Adapter
public static class EfficientAdapter extends BaseAdapter {
private LayoutInflater mInflater;
public EfficientAdapter(Context context) {
mInflater = LayoutInflater.from(context);
}
public int getCount() {
return image_sm.size();
}
public Object getItem(int position) {
return position;
}
public long getItemId(int position) {
return position;
}
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
try {
url1 = new URL(image_sm.get(position));
url2 = new URL(image_me.get(position));
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
if(flag){
bmp = BitmapFactory.decodeStream(url1.openConnection().getInputStream());
}
else{
bmp = BitmapFactory.decodeStream(url2.openConnection().getInputStream());
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
//holder.img.setImageBitmap(bmp);
if (convertView == null) {
if(flag){
convertView = mInflater.inflate( R.layout.search_catagory_row, null);
System.out.println("WITH PORTRAITTT");
}
else{
convertView = mInflater.inflate( R.layout.search_category_row_land, null);
System.out.println("WITH LANDSCAPEEE");
}
holder = new ViewHolder();
holder.text = (TextView) convertView
.findViewById(R.id.search_text);
holder.text2 = (TextView) convertView
.findViewById(R.id.text_view_2);
holder.img = (ImageView) convertView.findViewById(R.id.images);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
holder.text.setText(title.get(position));
holder.text2.setText(min_price.get(position));
holder.img.setImageBitmap(bmp);
final int pos = position;
return convertView;
}
static class ViewHolder {
TextView text;
TextView text2;
ImageView img;
}
}
@Override
protected Dialog onCreateDialog(int id) {
switch(id) {
case CATEGORIES_PRODUCE_ID:
dialog_category = new Dialog(this);
dialog_category.setContentView(R.layout.category_dialog);
ListView category_list= (ListView)dialog_category.findViewById(R.id.list_cat);
category_list.setBackgroundColor(Color.WHITE);
category_list.setCacheColorHint(Color.WHITE);
category_list.setAdapter(new ArrayAdapter<String>(this,R.layout.cat_row, R.id.label , category_name));
// List view click
category_list.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent,View view,int position,long idddd)
{
//To check the offer and products
cat_flag=true;
SearchRefine.checkflag=false;
Intent intent = new Intent(Search_List_Activity.this,Search_List_Activity.class);
intent.putExtra("keyword",keyword);
category_get_id=category_id.get(position);
System.out.println("CATEGORY NAME-->"+category_get_id);
startActivity(intent);
}
});
return dialog_category;
}
return null;
}
}
它给出了以下例外。
06-07 16:39:12.660: ERROR/AndroidRuntime(986): FATAL EXCEPTION: main
06-07 16:39:12.660: ERROR/AndroidRuntime(986): java.lang.IllegalArgumentException: View not attached to window manager
06-07 16:39:12.660: ERROR/AndroidRuntime(986): at android.view.WindowManagerImpl.findViewLocked(WindowManagerImpl.java:355)
06-07 16:39:12.660: ERROR/AndroidRuntime(986): at android.view.WindowManagerImpl.removeView(WindowManagerImpl.java:200)
06-07 16:39:12.660: ERROR/AndroidRuntime(986): at android.view.Window$LocalWindowManager.removeView(Window.java:432)
06-07 16:39:12.660: ERROR/AndroidRuntime(986): at android.app.Dialog.dismissDialog(Dialog.java:278)
06-07 16:39:12.660: ERROR/AndroidRuntime(986): at android.app.Dialog.access$000(Dialog.java:71)
06-07 16:39:12.660: ERROR/AndroidRuntime(986): at android.app.Dialog$1.run(Dialog.java:111)
06-07 16:39:12.660: ERROR/AndroidRuntime(986): at android.app.Dialog.dismiss(Dialog.java:268)
06-07 16:39:12.660: ERROR/AndroidRuntime(986): at org.bizrate.tablet.Search_List_Activity$1.handleMessage(Search_List_Activity.java:174)
06-07 16:39:12.660: ERROR/AndroidRuntime(986): at android.os.Handler.dispatchMessage(Handler.java:99)
06-07 16:39:12.660: ERROR/AndroidRuntime(986): at android.os.Looper.loop(Looper.java:123)
06-07 16:39:12.660: ERROR/AndroidRuntime(986): at android.app.ActivityThread.main(ActivityThread.java:4627)
06-07 16:39:12.660: ERROR/AndroidRuntime(986): at java.lang.reflect.Method.invokeNative(Native Method)
06-07 16:39:12.660: ERROR/AndroidRuntime(986): at java.lang.reflect.Method.invoke(Method.java:521)
06-07 16:39:12.660: ERROR/AndroidRuntime(986): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
06-07 16:39:12.660: ERROR/AndroidRuntime(986): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
06-07 16:39:12.660: ERROR/AndroidRuntime(986): at dalvik.system.NativeStart.main(Native Method)
大家好我想在这里添加一件事，当我从这段代码中删除线程代码（进度条代码）时，它运行得很好。但我必须实施进度条。 请帮我。 谢谢你们。
答案 0 :(得分：5)
之前已经回答了好几次...... 这是因为当您更改方向时，活动将再次创建。
要处理此问题，请在清单文件的“活动”中使用以下代码。
android:configChanges="keyboardHidden|orientation"