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POandroid listview adapter throw exception
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copied!<p>i build an adapter for a listview_item which contains image, textview and textbox, i don't know why the application throw an exception, </p> <pre><code>class RestaurantAdapter extends BaseAdapter { private static LayoutInflater inflater = null; private ArrayList<HashMap<String, String>> data; Activity activity; public RestaurantAdapter(Activity activity, ArrayList<HashMap<String, String>> data) { // TODO Auto-generated constructor stub this.activity = activity; this.data = data; inflater = (LayoutInflater) activity .getSystemService(Context.LAYOUT_INFLATER_SERVICE); } @Override public int getCount() { // TODO Auto-generated method stub return data.size(); } @Override public Object getItem(int position) { // TODO Auto-generated method stub return position; } @Override public long getItemId(int position) { // TODO Auto-generated method stub return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { // TODO Auto-generated method stub View vi = convertView; if (vi == null) inflater.inflate(R.layout.restaurant_multi_select_list_item, null); TextView name = (TextView) vi .findViewById(R.id.restaurant_multi_select_title); ImageView image = (ImageView) vi .findViewById(R.id.restaurant_multi_select_list_item_image); CheckBox cb = (CheckBox) vi .findViewById(R.id.restaurant_multi_select_checkBox); HashMap<String, String> restaurant = data.get(position); name.setText(restaurant.get("name")); cb.setSelected(false); image.setId(Integer.parseInt(restaurant.get("image"))); return vi; } } </code></pre> <p>when i made the <code>getview</code> contains just this code</p> <pre><code>View vi = convertView; if (vi == null) inflater.inflate(R.layout.restaurant_multi_select_list_item, null); </code></pre> <p>it still throws the exception</p> <p> if you want any another code i will give it to you</p> <p>thanks</p> <h1>edit</h1> <p>exception</p> <pre><code>01-23 19:45:27.021: E/AndroidRuntime(24106): FATAL EXCEPTION: main 01-23 19:45:27.021: E/AndroidRuntime(24106): java.lang.NullPointerException 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.widget.AbsListView.obtainView(AbsListView.java:1521) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.widget.ListView.makeAndAddView(ListView.java:1749) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.widget.ListView.fillDown(ListView.java:674) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.widget.ListView.fillFromTop(ListView.java:731) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.widget.ListView.layoutChildren(ListView.java:1602) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.widget.AbsListView.onLayout(AbsListView.java:1349) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.view.View.layout(View.java:7320) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1263) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1137) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.widget.LinearLayout.onLayout(LinearLayout.java:1051) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.view.View.layout(View.java:7320) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.widget.FrameLayout.onLayout(FrameLayout.java:342) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.view.View.layout(View.java:7320) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1263) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1137) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.widget.LinearLayout.onLayout(LinearLayout.java:1051) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.view.View.layout(View.java:7320) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.widget.FrameLayout.onLayout(FrameLayout.java:342) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.view.View.layout(View.java:7320) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.view.ViewRoot.performTraversals(ViewRoot.java:1162) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.view.ViewRoot.handleMessage(ViewRoot.java:1882) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.os.Handler.dispatchMessage(Handler.java:99) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.os.Looper.loop(Looper.java:130) 01-23 19:45:27.021: E/AndroidRuntime(24106): at android.app.ActivityThread.main(ActivityThread.java:3701) 01-23 19:45:27.021: E/AndroidRuntime(24106): at java.lang.reflect.Method.invokeNative(Native Method) 01-23 19:45:27.021: E/AndroidRuntime(24106): at java.lang.reflect.Method.invoke(Method.java:507) 01-23 19:45:27.021: E/AndroidRuntime(24106): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:866) 01-23 19:45:27.021: E/AndroidRuntime(24106): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:624) 01-23 19:45:27.021: E/AndroidRuntime(24106): at dalvik.system.NativeStart.main(Native Method) </code></pre> <h1>the new exception </h1> <pre><code>01-22 12:36:37.994: E/AndroidRuntime(318): FATAL EXCEPTION: main 01-22 12:36:37.994: E/AndroidRuntime(318): java.lang.NullPointerException 01-22 12:36:37.994: E/AndroidRuntime(318): at com.eattel.syriatel.RestaurantAdapter.getView(Select_Multi_Restaurants.java:113) 01-22 12:36:37.994: E/AndroidRuntime(318): at android.widget.AbsListView.obtainView(AbsListView.java:1294) 01-22 12:36:37.994: E/AndroidRuntime(318): at android.widget.ListView.makeAndAddView(ListView.java:1727) 01-22 12:36:37.994: E/AndroidRuntime(318): at android.widget.ListView.fillDown(ListView.java:652) 01-22 12:36:37.994: E/AndroidRuntime(318): at android.widget.ListView.fillGap(ListView.java:623) 01-22 12:36:37.994: E/AndroidRuntime(318): at android.widget.AbsListView.trackMotionScroll(AbsListView.java:2944) 01-22 12:36:37.994: E/AndroidRuntime(318): at android.widget.AbsListView.onTouchEvent(AbsListView.java:2065) 01-22 12:36:37.994: E/AndroidRuntime(318): at android.widget.ListView.onTouchEvent(ListView.java:3315) 01-22 12:36:37.994: E/AndroidRuntime(318): at android.view.View.dispatchTouchEvent(View.java:3766) 01-22 12:36:37.994: E/AndroidRuntime(318): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:897) 01-22 12:36:37.994: E/AndroidRuntime(318): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:936) 01-22 12:36:37.994: E/AndroidRuntime(318): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:936) 01-22 12:36:37.994: E/AndroidRuntime(318): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:936) 01-22 12:36:37.994: E/AndroidRuntime(318): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:936) 01-22 12:36:37.994: E/AndroidRuntime(318): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1671) 01-22 12:36:37.994: E/AndroidRuntime(318): at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1107) 01-22 12:36:37.994: E/AndroidRuntime(318): at android.app.Activity.dispatchTouchEvent(Activity.java:2086) 01-22 12:36:37.994: E/AndroidRuntime(318): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1655) 01-22 12:36:37.994: E/AndroidRuntime(318): at android.view.ViewRoot.handleMessage(ViewRoot.java:1785) 01-22 12:36:37.994: E/AndroidRuntime(318): at android.os.Handler.dispatchMessage(Handler.java:99) 01-22 12:36:37.994: E/AndroidRuntime(318): at android.os.Looper.loop(Looper.java:123) 01-22 12:36:37.994: E/AndroidRuntime(318): at android.app.ActivityThread.main(ActivityThread.java:4627) 01-22 12:36:37.994: E/AndroidRuntime(318): at java.lang.reflect.Method.invokeNative(Native Method) 01-22 12:36:37.994: E/AndroidRuntime(318): at java.lang.reflect.Method.invoke(Method.java:521) 01-22 12:36:37.994: E/AndroidRuntime(318): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) 01-22 12:36:37.994: E/AndroidRuntime(318): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) 01-22 12:36:37.994: E/AndroidRuntime(318): at dalvik.system.NativeStart.main(Native Method) </code></pre>

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