View not attached to window manager crash 的解决办法
View not attached to window manager crash 的解决办法
转自:http://stackoverflow.com/questions/22924825/view-not-attached-to-window-manager-crash
down voteaccepted
+50
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How to reproduce the bug:
The Android OS will destroy an activity as soon as it is hidden. When How to fix it:
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public class YourActivity extends Activity {
<...>
private void showProgressDialog() {
if (pDialog == null) {
pDialog = new ProgressDialog(StartActivity.this);
pDialog.setMessage("Loading. Please wait...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(false);
}
pDialog.show();
}
private void dismissProgressDialog() {
if (pDialog != null && pDialog.isShowing()) {
pDialog.dismiss();
}
}
@Override
protected void onDestroy() {
dismissProgressDialog();
super.onDestroy();
}
class LoadAllProducts extends AsyncTask<String, String, String> {
/**
* Before starting background thread Show Progress Dialog
* */
@Override
protected void onPreExecute() {
showProgressDialog();
}
/**
* getting All products from url
* */
protected String doInBackground(String... args)
{
doMoreStuff("internet");
return null;
}
/**
* After completing background task Dismiss the progress dialog
* **/
protected void onPostExecute(String file_url)
{
if (YourActivity.this.isDestroyed()) { // or call isFinishing() if min sdk version < 17
return;
}
dismissProgressDialog();
something(note);
}
}
}
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