我想在原始中以粗体显示文本，其中选中了复选框。例如，如果选中第二个复选框，则将文本更改为粗体，这在我的代码中有效但当我滚动listview时，randmoly字体在其他原始文件中变为粗体，我是如何解决此问题的。
这是我的代码。
FilterActivity.java
public class FilterActivity extends Activity {
ListView lstfilter;
ImageView next, prev;
public static ArrayList<String> mylist;
public static ArrayList<String> mycategorylist;
HorizontalScrollView horizontalScroll;
HorizontalScrollAdapter horizonAdapter;
Boolean flag = false;
private HorizontalListView mHlvCustomListWithDividerAndFadingEdge;
LinearLayout hlayout;
ArrayList<Integer> array_image = new ArrayList<Integer>();
MyAdapter adapter1;
private static LayoutInflater inflater = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_filter);
mylist = new ArrayList<String>();
mycategorylist = new ArrayList<String>();
mHlvCustomListWithDividerAndFadingEdge = (HorizontalListView) findViewById(R.id.hlvCustomListWithDividerAndFadingEdge);
hlayout = (LinearLayout) findViewById(R.id.horizontal_menu);
prev = (ImageView) findViewById(R.id.imgprev);
next = (ImageView) findViewById(R.id.imgnext);
lstfilter = (ListView) findViewById(R.id.lstfilter);
mHlvCustomListWithDividerAndFadingEdge.setOnTouchListener(new OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
// TODO Auto-generated method stub
Log.d("in on touch method","");
return false;
}
});
mylist.add("Rs.251 n Below(253 result found)");
mylist.add("Rs.502 - 750(25301 result found))");
mylist.add("Rs.503 - 750(25301 result found))");
mylist.add("Rs.504 - 750(25301 result found))");
mylist.add("Rs.505 - 750(25301 result found))");
mylist.add("Rs.506 - 750(25301 result found))");
mylist.add("Rs.507 - 750(25301 result found))");
mylist.add("Rs.508 - 750(25301 result found))");
mylist.add("Rs.509 - 750(25301 result found))");
mylist.add("Rs.510 - 750(25301 result found))");
mylist.add("Rs.511 - 750(25301 result found))");
mylist.add("Rs.509 - 750(25301 result found))");
mylist.add("Rs.510 - 750(25301 result found))");
mylist.add("Rs.511 - 750(25301 result found))");
mylist.add("Rs.512 - 750(25301 result found))");
mylist.add("Rs.513 - 750(25301 result found))");
mylist.add("Rs.514 - 750(25301 result found))");
mylist.add("Rs.515 - 750(25301 result found))");
mylist.add("Rs.516 - 750(25301 result found))");
mylist.add("Rs.517 - 750(25301 result found))");
CustomData[] mCustomData = new CustomData[] {
new CustomData("Brand", R.drawable.img_brand, R.drawable.backgrounimage),
new CustomData("Price", R.drawable.img_rupee,R.drawable.img_white_rect),
new CustomData("Discount", R.drawable.img_discount,R.drawable.backgrounimage),
new CustomData("Availability", R.drawable.yellow_check_mark,R.drawable.backgrounimage),
new CustomData("More", R.drawable.backgrounimage,R.drawable.backgrounimage),
};
array_image.add(R.drawable.img_brand);
array_image.add(R.drawable.img_rupee);
array_image.add(R.drawable.img_discount);
array_image.add(R.drawable.yellow_check_mark);
array_image.add(R.drawable.yellow_check_mark);
CustomArrayAdapter adapter = new CustomArrayAdapter(this, mCustomData);
mHlvCustomListWithDividerAndFadingEdge.setAdapter(adapter);
// Getting adapter by passing xml data ArrayList
prev.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
mHlvCustomListWithDividerAndFadingEdge = (HorizontalListView) findViewById(R.id.hlvCustomListWithDividerAndFadingEdge);
mHlvCustomListWithDividerAndFadingEdge.scrollTo(-500);
flag = true;
if (flag) {
next.setVisibility(ImageView.VISIBLE);
prev.setVisibility(ImageView.GONE);
}
else
{
next.setVisibility(ImageView.GONE);
prev.setVisibility(ImageView.VISIBLE);
}
// int firstVisibleItem = mHlvCustomListWithDividerAndFadingEdge
// .getFirstVisiblePosition();
// int lastVisibleCount = mHlvCustomListWithDividerAndFadingEdge
// .getLastVisiblePosition();
// if (firstVisibleItem != 0) {
// int count1 = firstVisibleItem
// - (lastVisibleCount - firstVisibleItem);
// if (count1 < 0) {
// mHlvCustomListWithDividerAndFadingEdge.setSelection(0);
// prev.setVisibility(ImageView.VISIBLE);
//
// }
//
// else {
// mHlvCustomListWithDividerAndFadingEdge.setSelection(count1);
// prev.setVisibility(ImageView.GONE);
//
// }
// Log.d("item selected:", "" + count1);
//// if (count1 == 0) {
//// Log.d("first item visible", "");
//// prev.setVisibility(ImageView.GONE);
//// next.setVisibility(ImageView.VISIBLE);
////
//// } else {
//// prev.setVisibility(ImageView.VISIBLE);
//// next.setVisibility(ImageView.GONE);
//// }
// }
////
}
});
next.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
// horizontalScroll.scrollTo(
// (int) horizontalScroll.getScrollX() + 10,
// (int) horizontalScroll.getScrollY());
mHlvCustomListWithDividerAndFadingEdge = (HorizontalListView) findViewById(R.id.hlvCustomListWithDividerAndFadingEdge);
mHlvCustomListWithDividerAndFadingEdge.scrollTo(500);
flag = true;
if (flag) {
next.setVisibility(ImageView.GONE);
prev.setVisibility(ImageView.VISIBLE);
}
else
{
next.setVisibility(ImageView.VISIBLE);
prev.setVisibility(ImageView.GONE);
}
// int count = mHlvCustomListWithDividerAndFadingEdge.getCount();
// int firstVisibleItem = mHlvCustomListWithDividerAndFadingEdge
// .getFirstVisiblePosition();
// int lastVisibleCount = mHlvCustomListWithDividerAndFadingEdge
// .getLastVisiblePosition();
// if (lastVisibleCount != count) {
//
// int count1 = lastVisibleCount
// + (lastVisibleCount - firstVisibleItem);
// if (count1 > count) {
// mHlvCustomListWithDividerAndFadingEdge.setSelection(count);
// next.setVisibility(ImageView.VISIBLE);
//
// } else {
// mHlvCustomListWithDividerAndFadingEdge.setSelection(count1);
// next.setVisibility(ImageView.GONE);
//
// }
// Log.d("item selected:", "" + lastVisibleCount);
//// if (count1 == lastVisibleCount) {
//// Log.d("last item visible", "");
//// prev.setVisibility(ImageView.VISIBLE);
//// next.setVisibility(ImageView.GONE);
////
//// } else {
//// prev.setVisibility(ImageView.VISIBLE);
//// next.setVisibility(ImageView.GONE);
//// }
// }
//
}
});
adapter1 = new MyAdapter(this, mylist);
lstfilter.setAdapter(adapter1);
}
}
Myadapter
public class MyAdapter extends BaseAdapter {
private Activity activity;
private ArrayList<String> data;
private static LayoutInflater inflater = null;
public ArrayList<Boolean> positionArray;
private MyAdapter mListAdapter;
// public ImageLoader imageLoader;
public MyAdapter(Activity a, ArrayList<String> list) {
activity = a;
data = list;
inflater = (LayoutInflater) activity
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
positionArray = new ArrayList<Boolean>(list.size());
for (int i = 0; i < list.size(); i++) {
positionArray.add(false);
}
// imageLoader=new ImageLoader(activity.getApplicationContext());
}
public int getCount() {
return data.size();
}
public Object getItem(int position) {
return position;
}
public long getItemId(int position) {
return position;
}
// public View getView(int position, View convertView, ViewGroup parent) {
// Holder holder;
// View vi = convertView;
// if (convertView == null) {
// vi = inflater.inflate(R.layout.activity_filter_list_item, null);
// holder = new Holder(vi);
// vi.setTag(holder);
// holder.txvfirst = (TextView) vi.findViewById(R.id.txv1);
// holder.chkfirst = (CheckBox) vi.findViewById(R.id.chk1);
// holder.txvfirst.setTypeface(null, Typeface.BOLD);
// holder.txvfirst.setText(data.get(position));
// vi.setTag(R.id.txv1, holder.txvfirst);
// vi.setTag(R.id.chk1, holder.chkfirst);
//
// } else {
// holder = (Holder) convertView.getTag();
// holder.txvfirst = (TextView)vi.getTag(R.id.txv1);
// holder.chkfirst = (CheckBox)vi.getTag(R.id.chk1);
// }
// return vi;
// }
//
// private static class Holder {
// public TextView txvfirst;
// public CheckBox chkfirst;
// public Holder(View item) {
// txvfirst = (TextView) item.findViewById(R.id.txv1);
// chkfirst = (CheckBox) item.findViewById(R.id.chk1);
//
// }
//
// }
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
//final Holder holder;
View vi = convertView;
if (vi == null)
vi = inflater.inflate(R.layout.activity_filter_list_item,
null);
final TextView txvfirst = (TextView) vi.findViewById(R.id.txv1);
CheckBox chkfirst = (CheckBox) vi.findViewById(R.id.chk1);
mListAdapter = new MyAdapter(activity, data);
mListAdapter.notifyDataSetChanged();
chkfirst.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
if (isChecked) {
positionArray.set(position, true);
Log.d("textview bold position:",""+position);
txvfirst.setTypeface(null, Typeface.BOLD);
} else {
positionArray.set(position, false);
}
}
});
chkfirst.setChecked(positionArray.get(position));
txvfirst.setText(data.get(position));
return vi;
}
}
activity_filter
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:widget="http://schemas.android.com/apk/res-auto"
xmlns:app="http://schemas.android.com/apk/res/com.example.ecommerce"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#ffffff"
android:orientation="vertical" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="45dp"
android:background="#0088cc"
android:gravity="center_vertical"
android:orientation="horizontal" >
<View
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.10" />
<ImageButton
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1.5"
android:background="@null"
android:scaleType="fitCenter" />
<View
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="0.25" />
<ImageButton
android:id="@+id/imgDeliveryBack"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1.28"
android:background="@null"
android:padding="12dp"
android:scaleType="fitCenter"
android:src="@drawable/img_back_arrow" />
<TextView
android:id="@+id/txvdeliveryheader"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight=".5"
android:fontFamily="Roboto regular"
android:gravity="left|center"
android:text="@string/header_filters"
android:textColor="#f8f8f8"
android:textSize="18sp" />
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight=".9"
android:gravity="left|center"
android:text="@null"
android:textColor="#ffffff" >
</TextView>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="60dp"
android:orientation="horizontal" >
<ImageView
android:id="@+id/imgprev"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="0.05"
android:background="#3374a3"
android:padding="5dp"
android:visibility="gone"
android:src="@drawable/img_back_arrow" />
<LinearLayout
android:id="@+id/horizontal_menu"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="0.5"
android:background="#168fcc"
android:orientation="horizontal" >
<com.example.ecommerce.HorizontalListView
android:id="@+id/hlvCustomListWithDividerAndFadingEdge"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#0088cc"
android:divider="#066da1"
android:fadingEdgeLength="5dp"
android:requiresFadingEdge="horizontal" />
</LinearLayout>
<ImageView
android:id="@+id/imgnext"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="0.05"
android:background="#3374a3"
android:padding="5dp"
android:src="@drawable/img_next" />
</LinearLayout>
<ListView
android:id="@+id/lstfilter"
android:layout_width="match_parent"
android:layout_height="350dp"
android:layout_marginBottom="10dp"
android:layout_marginTop="10dp"
android:layout_weight="0.3"
android:background="#ffffff"
android:dividerHeight="1dp"
android:padding="8dp" >
</ListView>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="70dp"
android:layout_weight="1"
android:orientation="horizontal" >
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:layout_weight="0.5" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="30dp"
android:background="#035f8d" >
<TextView
android:id="@+id/txvremove"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="0.5"
android:gravity="center"
android:padding="5dp"
android:src="@drawable/icon_trash_white"
android:text="@string/clear_filters"
android:textColor="#ffffff"
android:textSize="12sp" />
</LinearLayout>
</RelativeLayout>
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:layout_weight="0.5" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="30dp"
android:background="#000000" >
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="0.5"
android:gravity="center"
android:padding="5dp"
android:src="@drawable/icon_trash_white"
android:text="@string/filter_apply"
android:textColor="#ffffff"
android:textSize="12sp" />
</LinearLayout>
</RelativeLayout>
</LinearLayout>
</LinearLayout>
答案 0 :(得分：0)
我认为StateListDrawables一旦尝试就会解决这个问题。我正在使用它来改变所选选项的状态（fontsize，textsize，background）。