yangyakun921/MoGoEagleEye
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

卡片联动效果

Browse Source
This commit is contained in:
zhangyuanzhen
2020-03-12 19:29:25 +08:00
parent 89a9f33e4b
commit 041c09af8e
4 changed files with 73 additions and 198 deletions
Download Patch File Download Diff File Expand all files Collapse all files

178
libraries/card-library/src/main/java/com/yarolegovich/discretescrollview/InfiniteScrollAdapter.java
View File

@@ -1,178 +0,0 @@
package com.yarolegovich.discretescrollview;
import android.view.ViewGroup;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;
import java.util.Locale;
/**
* Created by yarolegovich on 28-Apr-17.
*/
public class InfiniteScrollAdapter<T extends RecyclerView.ViewHolder> extends RecyclerView.Adapter<T>
implements DiscreteScrollLayoutManager.InitialPositionProvider {
private static final int CENTER = Integer.MAX_VALUE / 2;
private static final int RESET_BOUND = 100;
public static <T extends RecyclerView.ViewHolder> InfiniteScrollAdapter<T> wrap(
@NonNull RecyclerView.Adapter<T> adapter) {
return new InfiniteScrollAdapter<>(adapter);
}
private RecyclerView.Adapter<T> wrapped;
private DiscreteScrollLayoutManager layoutManager;
public InfiniteScrollAdapter(@NonNull RecyclerView.Adapter<T> wrapped) {
this.wrapped = wrapped;
this.wrapped.registerAdapterDataObserver(new DataSetChangeDelegate());
}
@Override
public void onAttachedToRecyclerView(@NonNull RecyclerView recyclerView) {
wrapped.onAttachedToRecyclerView(recyclerView);
if (recyclerView instanceof DiscreteScrollView) {
layoutManager = (DiscreteScrollLayoutManager) recyclerView.getLayoutManager();
} else {
String msg = recyclerView.getContext().getString(R.string.dsv_ex_msg_adapter_wrong_recycler);
throw new RuntimeException(msg);
}
}
@Override
public void onDetachedFromRecyclerView(@NonNull RecyclerView recyclerView) {
wrapped.onDetachedFromRecyclerView(recyclerView);
layoutManager = null;
}
@Override
public @NonNull T onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
return wrapped.onCreateViewHolder(parent, viewType);
}
@Override
public void onBindViewHolder(@NonNull T holder, int position) {
if (isResetRequired(position)) {
int resetPosition = CENTER + mapPositionToReal(layoutManager.getCurrentPosition());
setPosition(resetPosition);
return;
}
wrapped.onBindViewHolder(holder, mapPositionToReal(position));
}
@Override
public int getItemViewType(int position) {
return wrapped.getItemViewType(mapPositionToReal(position));
}
@Override
public int getItemCount() {
return isInfinite() ? Integer.MAX_VALUE : wrapped.getItemCount();
}
public int getRealItemCount() {
return wrapped.getItemCount();
}
public int getRealCurrentPosition() {
return getRealPosition(layoutManager.getCurrentPosition());
}
public int getRealPosition(int position) {
return mapPositionToReal(position);
}
public int getClosestPosition(int position) {
ensureValidPosition(position);
int adapterCurrent = layoutManager.getCurrentPosition();
int current = mapPositionToReal(adapterCurrent);
if (position == current) {
return adapterCurrent;
}
int delta = position - current;
int target = adapterCurrent + delta;
int wraparoundTarget = adapterCurrent + (position > current ?
delta - wrapped.getItemCount() :
wrapped.getItemCount() + delta);
int distance = Math.abs(adapterCurrent - target);
int wraparoundDistance = Math.abs(adapterCurrent - wraparoundTarget);
if (distance == wraparoundDistance) {
//Scroll to the right feels more natural, so prefer it
return target > adapterCurrent ? target : wraparoundTarget;
} else {
return distance < wraparoundDistance ? target : wraparoundTarget;
}
}
private int mapPositionToReal(int position) {
if (position < CENTER) {
int rem = (CENTER - position) % wrapped.getItemCount();
return rem == 0 ? 0 : wrapped.getItemCount() - rem;
} else {
return (position - CENTER) % wrapped.getItemCount();
}
}
private boolean isResetRequired(int requestedPosition) {
return isInfinite()
&& (requestedPosition <= RESET_BOUND
|| requestedPosition >= (Integer.MAX_VALUE - RESET_BOUND));
}
private void ensureValidPosition(int position) {
if (position >= wrapped.getItemCount()) {
throw new IndexOutOfBoundsException(String.format(Locale.US,
"requested position is outside adapter's bounds: position=%d, size=%d",
position, wrapped.getItemCount()));
}
}
private boolean isInfinite() {
return wrapped.getItemCount() > 1;
}
@Override
public int getInitialPosition() {
return isInfinite() ? CENTER : 0;
}
private void setPosition(int position) {
layoutManager.scrollToPosition(position);
}
//TODO: handle proper data set change notifications
private class DataSetChangeDelegate extends RecyclerView.AdapterDataObserver {
@Override
public void onChanged() {
setPosition(getInitialPosition());
notifyDataSetChanged();
}
@Override
public void onItemRangeRemoved(int positionStart, int itemCount) {
onChanged();
}
@Override
public void onItemRangeInserted(int positionStart, int itemCount) {
onChanged();
}
@Override
public void onItemRangeMoved(int fromPosition, int toPosition, int itemCount) {
onChanged();
}
@Override
public void onItemRangeChanged(int positionStart, int itemCount) {
notifyItemRangeChanged(0, getItemCount());
}
@Override
public void onItemRangeChanged(int positionStart, int itemCount, Object payload) {
notifyItemRangeChanged(0, getItemCount(), payload);
}
}
}

40
modules/mogo-module-apps/src/main/java/com/mogo/module/apps/AppNavigatorFragment.java
View File

@@ -7,6 +7,7 @@ import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import com.alibaba.android.arouter.launcher.ARouter;
import com.mogo.commons.mvp.MvpFragment;
@@ -19,7 +20,6 @@ import com.mogo.service.cardmanager.IMogoCardChangedListener;
import com.mogo.service.fragmentmanager.FragmentDescriptor;
import com.mogo.service.fragmentmanager.IMogoFragmentManager;
import com.mogo.service.module.IMogoModuleProvider;
import com.mogo.utils.logger.Logger;
import com.yarolegovich.discretescrollview.DiscreteScrollView;
import java.util.ArrayList;
@@ -179,7 +179,13 @@ public class AppNavigatorFragment extends MvpFragment<AppNavigatorView, AppNavig
@Override
public void onCurrentItemChanged(@Nullable RecyclerView.ViewHolder viewHolder, int i) {
//AppServiceHandler.getMogoCardManager().invoke(i%CARD_SIZE,"");
Logger.d(TAG, "onCurrentItemChanged--position--" + i % CARD_SIZE);
int currentPosition = i % CARD_SIZE - 2;
if (currentPosition < 0) {
currentPosition += CARD_SIZE;
}
this.currentPosition=currentPosition;
AppServiceHandler.getMogoCardManager().invoke(currentPosition, "");
}
@Override public void onScrollStart(@NonNull RecyclerView.ViewHolder viewHolder, int i) {
@@ -196,15 +202,33 @@ public class AppNavigatorFragment extends MvpFragment<AppNavigatorView, AppNavig
}
private int currentPosition = 0;
@Override public void onSwitched(int position, String moduleName) {
int index = (position - scroller.getCurrentItem() % CARD_SIZE + 2) % CARD_SIZE;
int i = scroller.getCurrentItem() + index;
//DiscreteScrollLayoutManager layoutManager =
// (DiscreteScrollLayoutManager) scroller.getLayoutManager();
//int index = (position - scroller.getCurrentItem() % CARD_SIZE + 2) % CARD_SIZE;
//int i = scroller.getCurrentItem() + index;
//LinearLayoutManager layoutManager =
// (LinearLayoutManager) scroller.getLayoutManager();
//
//layoutManager.smoothScrollToPosition();
Logger.d(TAG, "position" + index + "scroll" + i);
scroller.smoothScrollToPosition(i);
int index = position - currentPosition;
if (index == 0) {
return;
}
if (index < -2) {
index = 1;
} else if (index > 2) {
index = -1;
}
//很奇怪，但是位置就是相差
if (index == -1) {
index = -3;
}
Logger.d(TAG, "position--" + position + "index--" + index);
scroller.smoothScrollToPosition(scroller.getCurrentItem() + index);
currentPosition = position;
}
}

49
modules/mogo-module-common/src/main/java/com/yarolegovich/discretescrollview/DiscreteScrollLayoutManager.java
View File

@@ -5,6 +5,7 @@ import android.graphics.Point;
import android.graphics.PointF;
import android.os.Bundle;
import android.os.Parcelable;
import android.util.DisplayMetrics;
import android.util.SparseArray;
import android.view.View;
import android.view.ViewGroup;
@@ -14,6 +15,7 @@ import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.core.view.accessibility.AccessibilityEventCompat;
import androidx.core.view.accessibility.AccessibilityRecordCompat;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.LinearSmoothScroller;
import androidx.recyclerview.widget.RecyclerView;
import com.yarolegovich.discretescrollview.transform.DiscreteScrollItemTransformer;
@@ -23,7 +25,7 @@ import java.util.Locale;
/**
* Created by yarolegovich on 17.02.2017.
*/
class DiscreteScrollLayoutManager extends RecyclerView.LayoutManager {
class DiscreteScrollLayoutManager extends LinearLayoutManager {
static final int NO_POSITION = -1;
@@ -79,6 +81,7 @@ class DiscreteScrollLayoutManager extends RecyclerView.LayoutManager {
@NonNull Context c,
@NonNull ScrollStateListener scrollStateListener,
@NonNull DSVOrientation orientation) {
super(c);
this.context = c;
this.timeForItemSettle = DEFAULT_TIME_FOR_ITEM_SETTLE;
this.pendingPosition = NO_POSITION;
@@ -355,18 +358,39 @@ class DiscreteScrollLayoutManager extends RecyclerView.LayoutManager {
recyclerViewProxy.requestLayout();
}
//@Override
//public void smoothScrollToPosition(RecyclerView recyclerView, RecyclerView.State state, int position) {
// if (currentPosition == position || pendingPosition != NO_POSITION) {
// return;
// }
// checkTargetPosition(state, position);
// if (currentPosition == NO_POSITION) {
// //Layout not happened yet
// currentPosition = position;
// } else {
// startSmoothPendingScroll(position);
// }
//}
@Override
public void smoothScrollToPosition(RecyclerView recyclerView, RecyclerView.State state, int position) {
if (currentPosition == position || pendingPosition != NO_POSITION) {
return;
}
checkTargetPosition(state, position);
if (currentPosition == NO_POSITION) {
//Layout not happened yet
currentPosition = position;
} else {
startSmoothPendingScroll(position);
}
LinearSmoothScroller smoothScroller =
new LinearSmoothScroller(recyclerView.getContext()) {
@Override
protected float calculateSpeedPerPixel(DisplayMetrics displayMetrics) {
// 返回：滑过1px时经历的时间(ms)。
return 150f / displayMetrics.densityDpi;
}
@Override
public int calculateDtToFit(int viewStart, int viewEnd, int boxStart, int boxEnd, int snapPreference) {
return boxStart - viewStart;
}
};
smoothScroller.setTargetPosition(position);
startSmoothScroll(smoothScroller);
}
@Override
@@ -512,6 +536,9 @@ class DiscreteScrollLayoutManager extends RecyclerView.LayoutManager {
startSmoothPendingScroll();
}
@Override
public boolean isAutoMeasureEnabled() {
return true;

4
modules/mogo-module-main/src/main/java/com/mogo/module/main/MainActivity.java
View File

@@ -447,6 +447,8 @@ public class MainActivity extends MvpActivity< MainView, MainPresenter > impleme
}
@Override public void onSwitched(int position, String moduleName) {
mCardsContainer.setCurrentItem( position );
//int index= (position+mCardModulesAdapter.getCount())/mCardModulesAdapter.getCount();
Logger.d(TAG,"onSwitched==="+position);
mCardsContainer.setCurrentItem( position ,position!=0&&position!=mCardModulesAdapter.getCount()-1);
}
}