hollorol/Clockplus
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Fixed bug where scrolling the ViewPager and quickly clicking the FAB called the previous Fragment's onFabClick()

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This commit is contained in:
Phillip Hsu 2016-08-14 00:41:25 -07:00
parent 15afc01735
commit 04158bb6a8
2 changed files with 18 additions and 23 deletions
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38
app/src/main/java/com/philliphsu/clock2/MainActivity.java
View File

@ -10,6 +10,7 @@ import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
@ -21,6 +22,8 @@ import com.philliphsu.clock2.settings.SettingsActivity;
import com.philliphsu.clock2.stopwatch.StopwatchFragment;
import com.philliphsu.clock2.timers.TimersFragment;
import java.util.ArrayList;
import butterknife.Bind;
public class MainActivity extends BaseActivity {
@ -191,16 +194,11 @@ public class MainActivity extends BaseActivity {
// // because we want the result to be handled in the Fragment, not in this Activity.
// // FragmentActivity does NOT deliver the result to the Fragment, i.e. your
// // Fragment's onActivityResult() will NOT be called.
// mSectionsPagerAdapter.getCurrentFragment()
// mSectionsPagerAdapter.getFragment()
// .startActivityForResult(intent, AlarmsFragment.REQUEST_CREATE_ALARM);
// TODO: If the user switches between pages and is quick enough to hit the
// fab before the target page comes fully into view, the onFabClick()
// implementation of the previous page will be called. Perhaps do something
// with the current page from the ViewPager instead. E.g. monolithically handle
// each Fragment's fab click reaction in this activity.
Fragment f;
if ((f = mSectionsPagerAdapter.getCurrentFragment()) instanceof RecyclerViewFragment) {
Fragment f = mSectionsPagerAdapter.getFragment(mViewPager.getCurrentItem());
if (f instanceof RecyclerViewFragment) {
((RecyclerViewFragment) f).onFabClick();
}
}
@ -278,8 +276,7 @@ public class MainActivity extends BaseActivity {
* one of the sections/tabs/pages.
*/
private static class SectionsPagerAdapter extends FragmentPagerAdapter {
private Fragment mCurrentFragment;
private final ArrayList<Fragment> mFragments = new ArrayList<>(getCount());
public SectionsPagerAdapter(FragmentManager fm) {
super(fm);
@ -301,18 +298,17 @@ public class MainActivity extends BaseActivity {
}
@Override
public void setPrimaryItem(ViewGroup container, int position, Object object) {
super.setPrimaryItem(container, position, object);
if (mCurrentFragment != object) {
mCurrentFragment = (Fragment) object;
}
public Object instantiateItem(ViewGroup container, int position) {
Fragment fragment = (Fragment) super.instantiateItem(container, position);
mFragments.add(position, fragment);
Log.d(TAG, "Instantiated fragment " + fragment + " for position " + position + ". New size = " + mFragments.size());
return fragment;
}
@Override
public void destroyItem(ViewGroup container, int position, Object object) {
if (mCurrentFragment == object) {
mCurrentFragment = null;
}
Fragment f = mFragments.remove(position);
Log.d(TAG, "Destroyed fragment " + f + " for position " + position + ". New size = " + mFragments.size());
super.destroyItem(container, position, object);
}
@ -335,8 +331,10 @@ public class MainActivity extends BaseActivity {
return null;
}
public Fragment getCurrentFragment() {
return mCurrentFragment;
public Fragment getFragment(int position) {
Fragment f = mFragments.get(position);
Log.d(TAG, "Returning fragment " + f + " for position " + position);
return f;
}
}
}

3
app/src/main/java/com/philliphsu/clock2/stopwatch/StopwatchFragment.java
View File

@ -161,9 +161,6 @@ public class StopwatchFragment extends RecyclerViewFragment<
}
} else {
if (mStartTime == 0) {
// TODO: I'm strongly considering inserting the very first lap alone.
// We'll need to tell the adapter to just hide the corresponding VH
// until a second lap is added.
// addNewLap() won't call through unless chronometer is running, which
// we can't start until we compute mStartTime
mCurrentLap = new Lap();