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clear database in async task

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This commit is contained in:
danijoo
2016-01-02 15:13:51 +01:00
parent 3a2c1e3747
commit 6b0d58a41a
1 changed files with 21 additions and 5 deletions
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26
app/src/main/java/net/headlezz/notificationlogger/PreferenceFragment.java
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@@ -3,6 +3,7 @@ package net.headlezz.notificationlogger;
import android.app.Activity; import android.app.Activity;
import android.content.ContentResolver; import android.content.ContentResolver;
import android.content.DialogInterface; import android.content.DialogInterface;
import android.os.AsyncTask;
import android.os.Bundle; import android.os.Bundle;
import android.support.design.widget.Snackbar; import android.support.design.widget.Snackbar;
import android.support.v7.app.AlertDialog; import android.support.v7.app.AlertDialog;
@@ -55,16 +56,31 @@ public class PreferenceFragment extends PreferenceFragmentCompat implements Pref
.setPositiveButton(R.string.pref_clear_database_dialog_positive, new DialogInterface.OnClickListener() { .setPositiveButton(R.string.pref_clear_database_dialog_positive, new DialogInterface.OnClickListener() {
@Override @Override
public void onClick(DialogInterface dialog, int which) { public void onClick(DialogInterface dialog, int which) {
ContentResolver resolver = getContext().getContentResolver(); clearDatabase();
// there are no notifications with negative ids, so we use this to select all rows
String whereClause = Logged_notificationTable.FIELD_NOTIFICATION_ID + " != -1";
resolver.delete(Logged_notificationTable.CONTENT_URI, whereClause, new String[0]);
Snackbar.make(getActivity().findViewById(android.R.id.content), R.string.pref_clear_database_snackbar_cleared, Snackbar.LENGTH_SHORT).show();
} }
}) })
.create().show(); .create().show();
} }
private void clearDatabase() {
new AsyncTask<Void, Void, Void>() {
@Override
protected Void doInBackground(Void... params) {
ContentResolver resolver = getContext().getContentResolver();
// there are no notifications with negative ids, so we use this to select all rows
String whereClause = Logged_notificationTable.FIELD_NOTIFICATION_ID + " != -1";
resolver.delete(Logged_notificationTable.CONTENT_URI, whereClause, new String[0]);
return null;
}
@Override
protected void onPostExecute(Void aVoid) {
Snackbar.make(getActivity().findViewById(android.R.id.content), R.string.pref_clear_database_snackbar_cleared, Snackbar.LENGTH_SHORT).show();
}
}.execute();
}
@SuppressWarnings("ConstantConditions") @SuppressWarnings("ConstantConditions")
@Override @Override
public void onAttach(Activity activity) { public void onAttach(Activity activity) {