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Code Issues Packages Projects Releases Wiki Activity

Prevent loading user and subreddit data after orientation change if they were fetched before. Refresh current fragment in SearchResultActivity instead of all fragments when refreshing.

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This commit is contained in:
Alex Ning 2019-08-09 11:29:46 +08:00
parent d408a47dba
commit a4583f1ecf
3 changed files with 112 additions and 51 deletions
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18
app/src/main/java/ml/docilealligator/infinityforreddit/SearchResultActivity.java
View File

@ -268,14 +268,16 @@ public class SearchResultActivity extends AppCompatActivity implements SearchPos
}
public void refresh() {
if(postFragment != null) {
((FragmentCommunicator) postFragment).refresh();
}
if(subredditListingFragment != null) {
((FragmentCommunicator) subredditListingFragment).refresh();
}
if (userListingFragment != null) {
((FragmentCommunicator) userListingFragment).refresh();
switch (viewPager.getCurrentItem()) {
case 0:
((FragmentCommunicator) postFragment).refresh();
break;
case 1:
((FragmentCommunicator) subredditListingFragment).refresh();
break;
case 2:
((FragmentCommunicator) userListingFragment).refresh();
break;
}
}

75
app/src/main/java/ml/docilealligator/infinityforreddit/ViewSubredditDetailActivity.java
View File

@ -42,6 +42,7 @@ public class ViewSubredditDetailActivity extends AppCompatActivity implements So
public static final String EXTRA_SUBREDDIT_NAME_KEY = "ESN";
private static final String FETCH_SUBREDDIT_INFO_STATE = "FSIS";
private static final String FRAGMENT_OUT_STATE_KEY = "FOSK";
private static final String IS_IN_LAZY_MODE_STATE = "IILMS";
private static final String NULL_ACCESS_TOKEN_STATE = "NATS";
@ -65,6 +66,7 @@ public class ViewSubredditDetailActivity extends AppCompatActivity implements So
private String mAccessToken;
private String mAccountName;
private String subredditName;
private boolean mFetchSubredditInfoSuccess = false;
private boolean subscriptionReady = false;
private boolean isInLazyMode = false;
@ -97,9 +99,12 @@ public class ViewSubredditDetailActivity extends AppCompatActivity implements So
((Infinity) getApplication()).getAppComponent().inject(this);
subredditName = getIntent().getExtras().getString(EXTRA_SUBREDDIT_NAME_KEY);
if(savedInstanceState == null) {
getCurrentAccountAndBindView();
} else {
mFetchSubredditInfoSuccess = savedInstanceState.getBoolean(FETCH_SUBREDDIT_INFO_STATE);
mNullAccessToken = savedInstanceState.getBoolean(NULL_ACCESS_TOKEN_STATE);
mAccessToken = savedInstanceState.getString(ACCESS_TOKEN_STATE);
mAccountName = savedInstanceState.getString(ACCOUNT_NAME_STATE);
@ -114,6 +119,8 @@ public class ViewSubredditDetailActivity extends AppCompatActivity implements So
}
}
fetchSubredditData();
postTypeBottomSheetFragment = new PostTypeBottomSheetFragment();
sortTypeBottomSheetFragment = new SortTypeBottomSheetFragment();
@ -130,7 +137,6 @@ public class ViewSubredditDetailActivity extends AppCompatActivity implements So
statusBarHeight = getResources().getDimensionPixelSize(resourceId);
}
subredditName = getIntent().getExtras().getString(EXTRA_SUBREDDIT_NAME_KEY);
String title = "r/" + subredditName;
subredditNameTextView.setText(title);
@ -200,21 +206,6 @@ public class ViewSubredditDetailActivity extends AppCompatActivity implements So
}
});
FetchSubredditData.fetchSubredditData(mRetrofit, subredditName, new FetchSubredditData.FetchSubredditDataListener() {
@Override
public void onFetchSubredditDataSuccess(SubredditData subredditData, int nCurrentOnlineSubscribers) {
new InsertSubredditDataAsyncTask(mRedditDataRoomDatabase, subredditData)
.execute();
String nOnlineSubscribers = getString(R.string.online_subscribers_number_detail, nCurrentOnlineSubscribers);
nOnlineSubscribersTextView.setText(nOnlineSubscribers);
}
@Override
public void onFetchSubredditDataFail() {
}
});
fab.setOnClickListener(view -> postTypeBottomSheetFragment.show(getSupportFragmentManager(), postTypeBottomSheetFragment.getTag()));
}
@ -230,6 +221,26 @@ public class ViewSubredditDetailActivity extends AppCompatActivity implements So
}).execute();
}
private void fetchSubredditData() {
if(!mFetchSubredditInfoSuccess) {
FetchSubredditData.fetchSubredditData(mRetrofit, subredditName, new FetchSubredditData.FetchSubredditDataListener() {
@Override
public void onFetchSubredditDataSuccess(SubredditData subredditData, int nCurrentOnlineSubscribers) {
new InsertSubredditDataAsyncTask(mRedditDataRoomDatabase, subredditData, () -> {
nOnlineSubscribersTextView.setText(getString(R.string.online_subscribers_number_detail, nCurrentOnlineSubscribers));
mFetchSubredditInfoSuccess = true;
}).execute();
}
@Override
public void onFetchSubredditDataFail() {
makeSnackbar(R.string.cannot_fetch_subreddit_info, true);
mFetchSubredditInfoSuccess = false;
}
});
}
}
private void bindView(boolean initializeFragment) {
subscribeSubredditChip.setOnClickListener(view -> {
if(subscriptionReady) {
@ -242,13 +253,13 @@ public class ViewSubredditDetailActivity extends AppCompatActivity implements So
public void onSubredditSubscriptionSuccess() {
subscribeSubredditChip.setText(R.string.unsubscribe);
subscribeSubredditChip.setChipBackgroundColor(getResources().getColorStateList(R.color.colorAccent));
makeSnackbar(R.string.subscribed);
makeSnackbar(R.string.subscribed, false);
subscriptionReady = true;
}
@Override
public void onSubredditSubscriptionFail() {
makeSnackbar(R.string.subscribe_failed);
makeSnackbar(R.string.subscribe_failed, false);
subscriptionReady = true;
}
});
@ -260,13 +271,13 @@ public class ViewSubredditDetailActivity extends AppCompatActivity implements So
public void onSubredditSubscriptionSuccess() {
subscribeSubredditChip.setText(R.string.subscribe);
subscribeSubredditChip.setChipBackgroundColor(getResources().getColorStateList(R.color.backgroundColorPrimaryDark));
makeSnackbar(R.string.unsubscribed);
makeSnackbar(R.string.unsubscribed, false);
subscriptionReady = true;
}
@Override
public void onSubredditSubscriptionFail() {
makeSnackbar(R.string.unsubscribe_failed);
makeSnackbar(R.string.unsubscribe_failed, false);
subscriptionReady = true;
}
});
@ -367,6 +378,7 @@ public class ViewSubredditDetailActivity extends AppCompatActivity implements So
@Override
protected void onSaveInstanceState(@NonNull Bundle outState) {
super.onSaveInstanceState(outState);
outState.putBoolean(FETCH_SUBREDDIT_INFO_STATE, mFetchSubredditInfoSuccess);
outState.putBoolean(IS_IN_LAZY_MODE_STATE, isInLazyMode);
outState.putBoolean(NULL_ACCESS_TOKEN_STATE, mNullAccessToken);
outState.putString(ACCESS_TOKEN_STATE, mAccessToken);
@ -374,8 +386,13 @@ public class ViewSubredditDetailActivity extends AppCompatActivity implements So
getSupportFragmentManager().putFragment(outState, FRAGMENT_OUT_STATE_KEY, mFragment);
}
private void makeSnackbar(int resId) {
Snackbar.make(coordinatorLayout, resId, Snackbar.LENGTH_SHORT).show();
private void makeSnackbar(int resId, boolean retry) {
if(retry) {
Snackbar.make(coordinatorLayout, resId, Snackbar.LENGTH_SHORT).setAction(R.string.retry,
view -> fetchSubredditData()).show();
} else {
Snackbar.make(coordinatorLayout, resId, Snackbar.LENGTH_SHORT).show();
}
}
@Override
@ -411,12 +428,19 @@ public class ViewSubredditDetailActivity extends AppCompatActivity implements So
private static class InsertSubredditDataAsyncTask extends AsyncTask<Void, Void, Void> {
interface InsertSubredditDataAsyncTaskListener {
void insertSuccess();
}
private SubredditDao mSubredditDao;
private SubredditData subredditData;
private InsertSubredditDataAsyncTaskListener insertSubredditDataAsyncTaskListener;
InsertSubredditDataAsyncTask(RedditDataRoomDatabase db, SubredditData subredditData) {
InsertSubredditDataAsyncTask(RedditDataRoomDatabase db, SubredditData subredditData,
InsertSubredditDataAsyncTaskListener insertSubredditDataAsyncTaskListener) {
mSubredditDao = db.subredditDao();
this.subredditData = subredditData;
this.insertSubredditDataAsyncTaskListener = insertSubredditDataAsyncTaskListener;
}
@Override
@ -424,5 +448,10 @@ public class ViewSubredditDetailActivity extends AppCompatActivity implements So
mSubredditDao.insert(subredditData);
return null;
}
@Override
protected void onPostExecute(Void aVoid) {
insertSubredditDataAsyncTaskListener.insertSuccess();
}
}
}

70
app/src/main/java/ml/docilealligator/infinityforreddit/ViewUserDetailActivity.java
View File

@ -45,6 +45,7 @@ public class ViewUserDetailActivity extends AppCompatActivity {
public static final String EXTRA_USER_NAME_KEY = "EUNK";
private static final String FETCH_USER_INFO_STATE = "FSIS";
private static final String NULL_ACCESS_TOKEN_STATE = "NATS";
private static final String ACCESS_TOKEN_STATE = "ATS";
private static final String ACCOUNT_NAME_STATE = "ANS";
@ -74,6 +75,7 @@ public class ViewUserDetailActivity extends AppCompatActivity {
private String mAccountName;
private String username;
private boolean subscriptionReady = false;
private boolean mFetchUserInfoSuccess = false;
private boolean isInLazyMode = false;
private int expandedTabTextColor;
private int expandedTabBackgroundColor;
@ -102,9 +104,12 @@ public class ViewUserDetailActivity extends AppCompatActivity {
((Infinity) getApplication()).getAppComponent().inject(this);
username = getIntent().getExtras().getString(EXTRA_USER_NAME_KEY);
if(savedInstanceState == null) {
getCurrentAccountAndInitializeViewPager();
} else {
mFetchUserInfoSuccess = savedInstanceState.getBoolean(FETCH_USER_INFO_STATE);
mNullAccessToken = savedInstanceState.getBoolean(NULL_ACCESS_TOKEN_STATE);
mAccessToken = savedInstanceState.getString(ACCESS_TOKEN_STATE);
mAccountName = savedInstanceState.getString(ACCOUNT_NAME_STATE);
@ -117,6 +122,8 @@ public class ViewUserDetailActivity extends AppCompatActivity {
}
}
fetchUserInfo();
params = (AppBarLayout.LayoutParams) collapsingToolbarLayout.getLayoutParams();
//Get status bar height
@ -126,7 +133,6 @@ public class ViewUserDetailActivity extends AppCompatActivity {
statusBarHeight = getResources().getDimensionPixelSize(resourceId);
}
username = getIntent().getExtras().getString(EXTRA_USER_NAME_KEY);
String title = "u/" + username;
userNameTextView.setText(title);
@ -217,13 +223,13 @@ public class ViewUserDetailActivity extends AppCompatActivity {
public void onUserFollowingSuccess() {
subscribeUserChip.setText(R.string.unfollow);
subscribeUserChip.setChipBackgroundColor(getResources().getColorStateList(R.color.colorAccent));
makeSnackbar(R.string.followed);
makeSnackbar(R.string.followed, false);
subscriptionReady = true;
}
@Override
public void onUserFollowingFail() {
makeSnackbar(R.string.follow_failed);
makeSnackbar(R.string.follow_failed, false);
subscriptionReady = true;
}
});
@ -234,13 +240,13 @@ public class ViewUserDetailActivity extends AppCompatActivity {
public void onUserFollowingSuccess() {
subscribeUserChip.setText(R.string.follow);
subscribeUserChip.setChipBackgroundColor(getResources().getColorStateList(R.color.backgroundColorPrimaryDark));
makeSnackbar(R.string.unfollowed);
makeSnackbar(R.string.unfollowed, false);
subscriptionReady = true;
}
@Override
public void onUserFollowingFail() {
makeSnackbar(R.string.unfollow_failed);
makeSnackbar(R.string.unfollow_failed, false);
subscriptionReady = true;
}
});
@ -276,18 +282,6 @@ public class ViewUserDetailActivity extends AppCompatActivity {
karmaTextView.setText(karma);
}
});
FetchUserData.fetchUserData(mRetrofit, username, new FetchUserData.FetchUserDataListener() {
@Override
public void onFetchUserDataSuccess(UserData userData) {
new InsertUserDataAsyncTask(mRedditDataRoomDatabase.userDao(), userData).execute();
}
@Override
public void onFetchUserDataFailed() {
makeSnackbar(R.string.cannot_fetch_user_info);
}
});
}
private void getCurrentAccountAndInitializeViewPager() {
@ -309,6 +303,24 @@ public class ViewUserDetailActivity extends AppCompatActivity {
tabLayout.setupWithViewPager(viewPager);
}
private void fetchUserInfo() {
if(!mFetchUserInfoSuccess) {
FetchUserData.fetchUserData(mRetrofit, username, new FetchUserData.FetchUserDataListener() {
@Override
public void onFetchUserDataSuccess(UserData userData) {
new InsertUserDataAsyncTask(mRedditDataRoomDatabase.userDao(), userData,
() -> mFetchUserInfoSuccess = true).execute();
}
@Override
public void onFetchUserDataFailed() {
makeSnackbar(R.string.cannot_fetch_user_info, true);
mFetchUserInfoSuccess = false;
}
});
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.view_user_detail_activity, menu);
@ -369,14 +381,20 @@ public class ViewUserDetailActivity extends AppCompatActivity {
@Override
protected void onSaveInstanceState(@NonNull Bundle outState) {
super.onSaveInstanceState(outState);
outState.putBoolean(FETCH_USER_INFO_STATE, mFetchUserInfoSuccess);
outState.putBoolean(IS_IN_LAZY_MODE_STATE, isInLazyMode);
outState.putBoolean(NULL_ACCESS_TOKEN_STATE, mNullAccessToken);
outState.putString(ACCESS_TOKEN_STATE, mAccessToken);
outState.putString(ACCOUNT_NAME_STATE, mAccountName);
}
private void makeSnackbar(int resId) {
Snackbar.make(coordinatorLayout, resId, Snackbar.LENGTH_SHORT).show();
private void makeSnackbar(int resId, boolean retry) {
if(retry) {
Snackbar.make(coordinatorLayout, resId, Snackbar.LENGTH_SHORT).setAction(R.string.retry,
view -> fetchUserInfo()).show();
} else {
Snackbar.make(coordinatorLayout, resId, Snackbar.LENGTH_SHORT).show();
}
}
public abstract static class AppBarStateChangeListener implements AppBarLayout.OnOffsetChangedListener {
@ -419,12 +437,19 @@ public class ViewUserDetailActivity extends AppCompatActivity {
private static class InsertUserDataAsyncTask extends AsyncTask<Void, Void, Void> {
interface InsertUserDataAsyncTaskListener {
void insertSuccess();
}
private UserDao userDao;
private UserData subredditData;
private InsertUserDataAsyncTaskListener insertUserDataAsyncTaskListener;
InsertUserDataAsyncTask(UserDao userDao, UserData userData) {
InsertUserDataAsyncTask(UserDao userDao, UserData userData,
InsertUserDataAsyncTaskListener insertUserDataAsyncTaskListener) {
this.userDao = userDao;
this.subredditData = userData;
this.insertUserDataAsyncTaskListener = insertUserDataAsyncTaskListener;
}
@Override
@ -432,6 +457,11 @@ public class ViewUserDetailActivity extends AppCompatActivity {
userDao.insert(subredditData);
return null;
}
@Override
protected void onPostExecute(Void aVoid) {
insertUserDataAsyncTaskListener.insertSuccess();
}
}
private class SectionsPagerAdapter extends FragmentPagerAdapter {