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syncthing-android
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Code Releases Activity

Fix static leak in SettingsActivity#TestRootTask (#1141)

This commit is contained in:
Catfriend1 2018-06-17 18:27:55 +02:00 committed by Audrius Butkevicius
parent 585191bd66
commit f2064ab3b1
1 changed files with 17 additions and 5 deletions
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22
app/src/main/java/com/nutomic/syncthingandroid/activities/SettingsActivity.java
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@ -36,6 +36,7 @@ import com.nutomic.syncthingandroid.util.Languages;
import com.nutomic.syncthingandroid.util.Util;
import com.nutomic.syncthingandroid.views.WifiSsidPreference;
import java.lang.ref.WeakReference;
import java.security.InvalidParameterException;
import javax.inject.Inject;
@ -460,7 +461,7 @@ public class SettingsActivity extends SyncthingActivity {
if (mUseRoot.isChecked()) {
// Only check preference after root was granted.
mUseRoot.setChecked(false);
new TestRootTask().execute();
new TestRootTask(this).execute();
} else {
new Thread(() -> Util.fixAppDataPermissions(getActivity())).start();
mRequireRestart = true;
@ -550,7 +551,13 @@ public class SettingsActivity extends SyncthingActivity {
/**
* Enables or disables {@link #mUseRoot} preference depending whether root is available.
*/
private class TestRootTask extends AsyncTask<Void, Void, Boolean> {
private static class TestRootTask extends AsyncTask<Void, Void, Boolean> {
private WeakReference<SettingsFragment> refSettingsFragment;
TestRootTask(SettingsFragment context) {
refSettingsFragment = new WeakReference<>(context);
}
@Override
protected Boolean doInBackground(Void... params) {
return Shell.SU.available();
@ -558,11 +565,16 @@ public class SettingsActivity extends SyncthingActivity {
@Override
protected void onPostExecute(Boolean haveRoot) {
// Get a reference to the fragment if it is still there.
SettingsFragment settingsFragment = refSettingsFragment.get();
if (settingsFragment == null) {
return;
}
if (haveRoot) {
mRequireRestart = true;
mUseRoot.setChecked(true);
settingsFragment.mRequireRestart = true;
settingsFragment.mUseRoot.setChecked(true);
} else {
Toast.makeText(getActivity(), R.string.toast_root_denied, Toast.LENGTH_SHORT)
Toast.makeText(settingsFragment.getActivity(), R.string.toast_root_denied, Toast.LENGTH_SHORT)
.show();
}
}