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Code Issues Packages Projects Releases Wiki Activity

Pause lazy mode if the user is swiping posts.

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This commit is contained in:
Alex Ning
2019-06-09 14:59:39 +08:00
parent 7cfc4296a0
commit c124828352
4 changed files with 98 additions and 34 deletions
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2
app/src/main/java/ml/docilealligator/infinityforreddit/FragmentCommunicator.java
View File

@@ -4,4 +4,6 @@ interface FragmentCommunicator {
void refresh();
default void startLazyMode() {};
default void stopLazyMode() {};
default void resumeLazyMode(boolean resumeNow) {};
default void pauseLazyMode() {};
}

124
app/src/main/java/ml/docilealligator/infinityforreddit/PostFragment.java
View File

@@ -1,11 +1,14 @@
package ml.docilealligator.infinityforreddit;
import android.app.Activity;
import android.content.Context;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.os.CountDownTimer;
import android.os.Handler;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
@@ -53,11 +56,13 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
@BindView(R.id.fetch_post_info_image_view_post_fragment) ImageView mFetchPostInfoImageView;
@BindView(R.id.fetch_post_info_text_view_post_fragment) TextView mFetchPostInfoTextView;
private Activity activity;
private LinearLayoutManager mLinearLayoutManager;
private String mName;
private int mPostType;
private boolean isInLazyMode = false;
private boolean isLazyModePaused = false;
private PostRecyclerViewAdapter mAdapter;
private RecyclerView.SmoothScroller smoothScroller;
@@ -67,6 +72,7 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
private Window window;
private Handler lazyModeHandler;
private Runnable lazyModeRunnable;
private CountDownTimer resumeLazyModeCountDownTimer;
@Inject @Named("no_oauth")
Retrofit mRetrofit;
@@ -95,7 +101,7 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
// Inflate the layout for this fragment
View rootView = inflater.inflate(R.layout.fragment_post, container, false);
((Infinity) getActivity().getApplication()).getmAppComponent().inject(this);
((Infinity) activity.getApplication()).getmAppComponent().inject(this);
ButterKnife.bind(this, rootView);
@@ -103,28 +109,64 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
lazyModeHandler = new Handler();
smoothScroller = new LinearSmoothScroller(getActivity()) {
smoothScroller = new LinearSmoothScroller(activity) {
@Override
protected int getVerticalSnapPreference() {
return LinearSmoothScroller.SNAP_TO_START;
}
};
window = getActivity().getWindow();
window = activity.getWindow();
lazyModeRunnable = new Runnable() {
@Override
public void run() {
if(isInLazyMode && !isLazyModePaused) {
int nPosts = mAdapter.getItemCount();
int firstVisiblePosition = mLinearLayoutManager.findFirstVisibleItemPosition();
if(firstVisiblePosition != RecyclerView.NO_POSITION && nPosts > firstVisiblePosition) {
smoothScroller.setTargetPosition(firstVisiblePosition + 1);
mLinearLayoutManager.startSmoothScroll(smoothScroller);
}
}
lazyModeHandler.postDelayed(this, 2500);
}
};
resumeLazyModeCountDownTimer = new CountDownTimer(2500, 2500) {
@Override
public void onTick(long l) {
}
@Override
public void onFinish() {
resumeLazyMode(true);
}
};
if(savedInstanceState != null) {
isInLazyMode = savedInstanceState.getBoolean(IS_IN_LAZY_MODE_STATE);
if(isInLazyMode) {
startLazyMode();
resumeLazyMode(false);
}
}
mLinearLayoutManager = new LinearLayoutManager(getActivity());
mLinearLayoutManager = new LinearLayoutManager(activity);
mPostRecyclerView.setLayoutManager(mLinearLayoutManager);
mPostRecyclerView.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
if(isInLazyMode) {
pauseLazyMode();
}
return false;
}
});
mPostType = getArguments().getInt(POST_TYPE_KEY);
String accessToken = getActivity().getSharedPreferences(SharedPreferencesUtils.AUTH_CODE_FILE_KEY, Context.MODE_PRIVATE)
String accessToken = activity.getSharedPreferences(SharedPreferencesUtils.AUTH_CODE_FILE_KEY, Context.MODE_PRIVATE)
.getString(SharedPreferencesUtils.ACCESS_TOKEN_KEY, "");
PostViewModel.Factory factory;
@@ -132,7 +174,7 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
if(mPostType != PostDataSource.TYPE_FRONT_PAGE) {
mName = getArguments().getString(NAME_KEY);
mAdapter = new PostRecyclerViewAdapter(getActivity(), mRetrofit,
mAdapter = new PostRecyclerViewAdapter(activity, mRetrofit,
mSharedPreferences, mPostType, () -> mPostViewModel.retryLoadingMore());
factory = new PostViewModel.Factory(mOauthRetrofit, accessToken,
@@ -151,7 +193,7 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
}
});
} else {
mAdapter = new PostRecyclerViewAdapter(getActivity(), mOauthRetrofit,
mAdapter = new PostRecyclerViewAdapter(activity, mOauthRetrofit,
mSharedPreferences, mPostType, () -> mPostViewModel.retryLoadingMore());
factory = new PostViewModel.Factory(mOauthRetrofit, accessToken,
@@ -195,6 +237,12 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
return rootView;
}
@Override
public void onAttach(@NonNull Context context) {
super.onAttach(context);
this.activity = (Activity) context;
}
@Override
public void onSaveInstanceState(@NonNull Bundle outState) {
super.onSaveInstanceState(outState);
@@ -208,7 +256,7 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
private void showErrorView(int stringResId) {
mProgressBar.setVisibility(View.GONE);
if(getActivity() != null && isAdded()) {
if(activity != null && isAdded()) {
mFetchPostInfoLinearLayout.setVisibility(View.VISIBLE);
mFetchPostInfoTextView.setText(stringResId);
Glide.with(this).load(R.drawable.load_post_error_indicator).into(mFetchPostInfoImageView);
@@ -217,32 +265,46 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
@Override
public void startLazyMode() {
Toast.makeText(getActivity(), getString(R.string.lazy_mode_start, 2.5), Toast.LENGTH_SHORT).show();
window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
isInLazyMode = true;
lazyModeRunnable = new Runnable() {
@Override
public void run() {
int nPosts = mAdapter.getItemCount();
int firstVisiblePosition = mLinearLayoutManager.findFirstVisibleItemPosition();
if(firstVisiblePosition != RecyclerView.NO_POSITION && nPosts > firstVisiblePosition) {
smoothScroller.setTargetPosition(firstVisiblePosition + 1);
mLinearLayoutManager.startSmoothScroll(smoothScroller);
}
if(isInLazyMode) {
lazyModeHandler.postDelayed(this, 2500);
}
}
};
isLazyModePaused = false;
lazyModeHandler.postDelayed(lazyModeRunnable, 2500);
window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
Toast.makeText(activity, getString(R.string.lazy_mode_start, 2.5), Toast.LENGTH_SHORT).show();
}
@Override
public void stopLazyMode() {
lazyModeHandler.removeCallbacks(lazyModeRunnable);
window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
isInLazyMode = false;
Toast.makeText(getActivity(), getString(R.string.lazy_mode_stop), Toast.LENGTH_SHORT).show();
isLazyModePaused = false;
lazyModeHandler.removeCallbacks(lazyModeRunnable);
resumeLazyModeCountDownTimer.cancel();
window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
Toast.makeText(activity, getString(R.string.lazy_mode_stop), Toast.LENGTH_SHORT).show();
}
@Override
public void resumeLazyMode(boolean resumeNow) {
isInLazyMode = true;
isLazyModePaused = false;
window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
if(resumeNow) {
lazyModeHandler.post(lazyModeRunnable);
} else {
lazyModeHandler.postDelayed(lazyModeRunnable, 2500);
}
}
@Override
public void pauseLazyMode() {
isInLazyMode = true;
if(isLazyModePaused) {
resumeLazyModeCountDownTimer.cancel();
} else {
isLazyModePaused = true;
lazyModeHandler.removeCallbacks(lazyModeRunnable);
window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
}
resumeLazyModeCountDownTimer.start();
}
@Subscribe
@@ -260,7 +322,7 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
public void onStart() {
super.onStart();
if(isInLazyMode) {
startLazyMode();
resumeLazyMode(false);
}
}
@@ -268,9 +330,9 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
public void onStop() {
super.onStop();
if(isInLazyMode) {
stopLazyMode();
pauseLazyMode();
resumeLazyModeCountDownTimer.cancel();
}
isInLazyMode = true;
}
@Override