Databases
StackOverflow2013
Postsdbo
POcannot be cast to android.content.pm.PackageInfo on click in my listview
 

Note that there are some explanatory texts on larger screens.

plurals
  1. POcannot be cast to android.content.pm.PackageInfo on click in my listview
    primarykey
    data
    text
    <p>my listview contains all app installed.. when i click over one i want open a new activity but actually i get an error.. This is the code:</p> <pre><code> @Override public void onItemClick(AdapterView&lt;?&gt; parent, View view, int position, long row) { PackageInfo packageInfo = (PackageInfo) parent.getItemAtPosition(position); AppDataActivity appData = (AppDataActivity) getApplicationContext(); appData.setPackageInfo(packageInfo); Toast.makeText(MainActivity.this, position, Toast.LENGTH_LONG).show(); Intent appInfo = new Intent(MainActivity.this, ApkInfoActivity.class); startActivity(appInfo); } </code></pre> <p>and this is the log:</p> <pre><code>10-30 14:37:56.780: E/AndroidRuntime(20993): FATAL EXCEPTION: main 10-30 14:37:56.780: E/AndroidRuntime(20993): java.lang.ClassCastException: android.content.pm.ApplicationInfo cannot be cast to android.content.pm.PackageInfo 10-30 14:37:56.780: E/AndroidRuntime(20993): at com.dd.application.MainActivity.onItemClick(MainActivity.java:370) 10-30 14:37:56.780: E/AndroidRuntime(20993): at android.widget.AdapterView.performItemClick(AdapterView.java:297) 10-30 14:37:56.780: E/AndroidRuntime(20993): at android.widget.AbsListView.performItemClick(AbsListView.java:1149) 10-30 14:37:56.780: E/AndroidRuntime(20993): at android.widget.AbsListView$PerformClick.run(AbsListView.java:2939) 10-30 14:37:56.780: E/AndroidRuntime(20993): at android.widget.AbsListView$2.run(AbsListView.java:3622) 10-30 14:37:56.780: E/AndroidRuntime(20993): at android.os.Handler.handleCallback(Handler.java:730) 10-30 14:37:56.780: E/AndroidRuntime(20993): at android.os.Handler.dispatchMessage(Handler.java:92) 10-30 14:37:56.780: E/AndroidRuntime(20993): at android.os.Looper.loop(Looper.java:137) 10-30 14:37:56.780: E/AndroidRuntime(20993): at android.app.ActivityThread.main(ActivityThread.java:5323) 10-30 14:37:56.780: E/AndroidRuntime(20993): at java.lang.reflect.Method.invokeNative(Native Method) 10-30 14:37:56.780: E/AndroidRuntime(20993): at java.lang.reflect.Method.invoke(Method.java:525) 10-30 14:37:56.780: E/AndroidRuntime(20993): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:743) 10-30 14:37:56.780: E/AndroidRuntime(20993): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:559) 10-30 14:37:56.780: E/AndroidRuntime(20993): at dalvik.system.NativeStart.main(Native Method) </code></pre> <p>i have already implements the <code>OnItemClickListener</code> in my MainActivity if necessary.. I can't find the problem but if can help i can using a click using ApplicationInfo in this way:</p> <pre><code>@Override public void onItemClick(ListView l, View v, int position, long id) { super.onListItemClick(l, v, position, id); final ApplicationInfo app = applist.get(position);... ... ... </code></pre> <p>but if i use <code>PackageInfo</code> i can't do it.. How can i solve? </p> <p>EDIT with adapter</p> <pre><code>public class ApplicationAdapter extends ArrayAdapter&lt;ApplicationInfo&gt; { private List&lt;ApplicationInfo&gt; appsList = null; private Context context; private PackageManager packageManager; private List&lt;ApplicationInfo&gt; listOfApp; public ApplicationAdapter(Context context, int textViewResourceId, List&lt;ApplicationInfo&gt; appsList) { super(context, textViewResourceId, appsList); this.context = context; this.appsList = appsList; this.listOfApp = new ArrayList&lt;ApplicationInfo&gt;(); //Added here packageManager = context.getPackageManager(); listOfApp.addAll(appsList); } @Override public int getCount() { return ((null != appsList) ? appsList.size() : 0); } @Override public ApplicationInfo getItem(int position) { return ((null != appsList) ? appsList.get(position) : null); } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { View view = convertView; if (null == view) { LayoutInflater layoutInflater = (LayoutInflater) context .getSystemService(Context.LAYOUT_INFLATER_SERVICE); view = layoutInflater.inflate(R.layout.snippet_list_row, null); } ApplicationInfo data = appsList.get(position); if (null != data) { TextView appName = (TextView) view.findViewById(R.id.app_name); TextView packageName = (TextView) view.findViewById(R.id.app_paackage); ImageView iconview = (ImageView) view.findViewById(R.id.app_icon); appName.setText(data.loadLabel(packageManager)); packageName.setText(data.packageName); iconview.setImageDrawable(data.loadIcon(packageManager)); } return view; } // Filter Class public void filter(String charText) { charText = charText.toLowerCase(Locale.getDefault()); appsList.clear(); if (charText.length() == 0) { appsList.addAll(listOfApp); } else { for (ApplicationInfo ai : listOfApp) { if (ai.loadLabel(packageManager).toString().toLowerCase(Locale.getDefault()).contains(charText)) { appsList.add(ai); } } } notifyDataSetChanged(); } } </code></pre> <p>AppData: public class AppDataActivity extends Application {</p> <pre><code> PackageInfo packageInfo; public PackageInfo getPackageInfo() { return packageInfo; } public void setPackageInfo(PackageInfo packageInfo) { this.packageInfo = packageInfo; } } </code></pre>
    singulars
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PTQuestion
    1. USDavid_D
    1. USDavid_D
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PO
      singulars
      1. PTAnswer
    1. This table or related slice is empty.
    1. COCould you post the adapter?
      singulars
      1. POcannot be cast to android.content.pm.PackageInfo on click in my listview
      1. USBlackbelt
    2. COedited.. do you mean what i've posted in my edit?
      singulars
      1. POcannot be cast to android.content.pm.PackageInfo on click in my listview
      1. USDavid_D
 

Querying!

 
Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload