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/*
* Copyright (C) 2012-2014 Dominik Schürmann <dominik@dominikschuermann.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.compatibility;
import android.os.Build;
import android.os.Handler;
/**
* Bug on Android >= 4.2. Fixed in 4.2.2 ?
*
* http://code.google.com/p/android/issues/detail?id=41901
*
* DialogFragment disappears on pressing home and comming back. This also happens especially in
* FileDialogFragment after launching a file manager and coming back.
*
* Usage: <code>
* DialogFragmentWorkaround.INTERFACE.runnableRunDelayed(new Runnable() {
* public void run() {
* // show dialog...
* }
* });
* </code>
*/
public class DialogFragmentWorkaround {
public static final SDKLevel17Interface INTERFACE =
((Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) ? new SDKLevel17Impl()
: new SDKLevelPriorLevel17Impl());
private static final int RUNNABLE_DELAY = 300;
public interface SDKLevel17Interface {
// Workaround for http://code.google.com/p/android/issues/detail?id=41901
void runnableRunDelayed(Runnable runnable);
}
private static class SDKLevelPriorLevel17Impl implements SDKLevel17Interface {
@Override
public void runnableRunDelayed(Runnable runnable) {
runnable.run();
}
}
private static class SDKLevel17Impl implements SDKLevel17Interface {
@Override
public void runnableRunDelayed(Runnable runnable) {
new Handler().postDelayed(runnable, RUNNABLE_DELAY);
}
}
// Can't instantiate this class
private DialogFragmentWorkaround() {
}
}
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