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Merge pull request #170 from shichaohui/master
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Add multiple header and footer feature
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@CymChad
CymChad authored Jul 16, 2016
2 parents bebec3e + 100f70f commit 166e70f
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Showing 3 changed files with 171 additions and 23 deletions.
3 changes: 1 addition & 2 deletions .idea/gradle.xml
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46 changes: 44 additions & 2 deletions app/src/main/java/com/chad/baserecyclerviewadapterhelper/HeaderAndFooterUseActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import android.widget.Toast;

import com.chad.baserecyclerviewadapterhelper.adapter.QuickAdapter;
Expand All @@ -28,8 +29,23 @@ protected void onCreate(Bundle savedInstanceState) {
mRecyclerView = (RecyclerView) findViewById(R.id.rv_list);
mRecyclerView.setLayoutManager(new LinearLayoutManager(this));
initAdapter();
mQuickAdapter.addHeaderView(getView());
mQuickAdapter.addFooterView(getView());

View headerView = getView(new View.OnClickListener() {
@Override
public void onClick(View v) {
mQuickAdapter.addHeaderView(getView(getRemoveHeaderListener(), "click me to remove me"), 0);
}
}, "click me to add new header");
mQuickAdapter.addHeaderView(headerView);

View footerView = getView(new View.OnClickListener() {
@Override
public void onClick(View v) {
mQuickAdapter.addFooterView(getView(getRemoveFooterListener(), "click me to remove me"));
}
}, "click me to add new footer");
mQuickAdapter.addFooterView(footerView, 0);

mRecyclerView.setAdapter(mQuickAdapter);
}

Expand All @@ -46,6 +62,32 @@ public void onClick(View v) {
return view;
}

private View getView(View.OnClickListener listener, String text) {
View view = getLayoutInflater().inflate(R.layout.head_view, null);
view.setLayoutParams(new DrawerLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
((TextView) view.findViewById(R.id.tv)).setText(text);
view.setOnClickListener(listener);
return view;
}

private View.OnClickListener getRemoveHeaderListener() {
return new View.OnClickListener() {
@Override
public void onClick(View v) {
mQuickAdapter.removeHeaderView(v);
}
};
}

private View.OnClickListener getRemoveFooterListener() {
return new View.OnClickListener() {
@Override
public void onClick(View v) {
mQuickAdapter.removeFooterView(v);
}
};
}

private void initAdapter() {
mQuickAdapter = new QuickAdapter(PAGE_SIZE);
mQuickAdapter.openLoadAnimation();
Expand Down
145 changes: 126 additions & 19 deletions library/src/main/java/com/chad/library/adapter/base/BaseQuickAdapter.java
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Original file line number Diff line number Diff line change
Expand Up @@ -6,12 +6,14 @@
import android.support.annotation.IntDef;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.RecyclerView.LayoutParams;
import android.support.v7.widget.StaggeredGridLayoutManager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.Interpolator;
import android.view.animation.LinearInterpolator;
import android.widget.LinearLayout;

import com.chad.library.R;
import com.chad.library.adapter.base.animation.AlphaInAnimation;
Expand All @@ -26,6 +28,9 @@
import java.util.ArrayList;
import java.util.List;

import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;


/**
* https://github.com/CymChad/BaseRecyclerViewAdapterHelper
Expand All @@ -48,8 +53,8 @@ public abstract class BaseQuickAdapter<T> extends RecyclerView.Adapter<RecyclerV
@AnimationType
private BaseAnimation mCustomAnimation;
private BaseAnimation mSelectAnimation = new AlphaInAnimation();
private View mHeaderView;
private View mFooterView;
private LinearLayout mHeaderLayout;
private LinearLayout mFooterLayout;
private int pageSize = -1;
private View mContentView;
/**
Expand Down Expand Up @@ -297,7 +302,7 @@ public void setNewData(List<T> data) {
this.mData = data;
if (mRequestLoadMoreListener != null) {
mNextLoadEnable = true;
mFooterView = null;
mFooterLayout = null;
}
mLastPosition = -1;
notifyDataSetChanged();
Expand Down Expand Up @@ -347,17 +352,37 @@ public T getItem(int position) {
*
* @return
*/
@Deprecated
public int getHeaderViewsCount() {
return mHeaderView == null ? 0 : 1;
return mHeaderLayout == null ? 0 : 1;
}

/**
* if mFooterView will be return 1 or not will be return 0
* if mFooterLayout will be return 1 or not will be return 0
*
* @return
*/
@Deprecated
public int getFooterViewsCount() {
return mFooterView == null ? 0 : 1;
return mFooterLayout == null ? 0 : 1;
}

/**
* if mHeaderLayout is null will be return false or not will be true
*
* @return
*/
public boolean hasHeaderLayout() {
return mHeaderLayout != null;
}

/**
* if mFooterLayout is null will be return false or not will be true
*
* @return
*/
public boolean hasFooterLayout() {
return mFooterLayout != null;
}

/**
Expand Down Expand Up @@ -414,7 +439,7 @@ public int getItemViewType(int position) {
/**
* if set headView and positon =0
*/
if (mHeaderView != null && position == 0) {
if (mHeaderLayout != null && position == 0) {
return HEADER_VIEW;
}
/**
Expand All @@ -428,32 +453,32 @@ public int getItemViewType(int position) {
/**
* if user want to show headview and footview and emptyView but not add headview
*/
if (mHeaderView == null && mEmptyView != null && mFooterView != null) {
if (mHeaderLayout == null && mEmptyView != null && mFooterLayout != null) {
return FOOTER_VIEW;
/**
* add headview
*/
} else if (mHeaderView != null && mEmptyView != null) {
} else if (mHeaderLayout != null && mEmptyView != null) {
return EMPTY_VIEW;
}
} else if (position == 0) {
/**
* has no emptyView just add emptyview
*/
if (mHeaderView == null) {
if (mHeaderLayout == null) {
return EMPTY_VIEW;
} else if (mFooterView != null)
} else if (mFooterLayout != null)

return EMPTY_VIEW;


} else if (position == 2 && (mFootAndEmptyEnable || mHeadAndEmptyEnable) && mHeaderView != null && mEmptyView != null) {
} else if (position == 2 && (mFootAndEmptyEnable || mHeadAndEmptyEnable) && mHeaderLayout != null && mEmptyView != null) {
return FOOTER_VIEW;

} /**
* user forget to set {@link #setEmptyView(boolean, boolean, View)} but add footview and headview and emptyview
*/
else if ((!mFootAndEmptyEnable || !mHeadAndEmptyEnable) && position == 1 && mFooterView != null) {
else if ((!mFootAndEmptyEnable || !mHeadAndEmptyEnable) && position == 1 && mFooterLayout != null) {
return FOOTER_VIEW;
}
} else if (mData.size() == 0 && mEmptyView != null && getItemCount() == (mHeadAndEmptyEnable ? 2 : 1) && mEmptyEnable) {
Expand Down Expand Up @@ -481,13 +506,13 @@ public BaseViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
baseViewHolder = getLoadingView(parent);
break;
case HEADER_VIEW:
baseViewHolder = new BaseViewHolder(mHeaderView);
baseViewHolder = new BaseViewHolder(mHeaderLayout);
break;
case EMPTY_VIEW:
baseViewHolder = new BaseViewHolder(mEmptyView);
break;
case FOOTER_VIEW:
baseViewHolder = new BaseViewHolder(mFooterView);
baseViewHolder = new BaseViewHolder(mFooterLayout);
break;
default:
baseViewHolder = onCreateDefViewHolder(parent, viewType);
Expand Down Expand Up @@ -597,26 +622,108 @@ protected BaseViewHolder createBaseViewHolder(ViewGroup parent, int layoutResId)
}

/**
* easy to show a simple headView
* easy to show a simple headView to mHeaderLayout
*
* @param header
*/
public void addHeaderView(View header) {
this.mHeaderView = header;
addHeaderView(header, -1);
}

/**
* add header view to mHeaderLayout and set header view position in mHeaderLayout
*
* @param header
* @param index header view position in mHeaderLayout
*/
public void addHeaderView(View header, int index) {
if (mHeaderLayout == null) {
mHeaderLayout = new LinearLayout(header.getContext());
mHeaderLayout.setOrientation(LinearLayout.VERTICAL);
mHeaderLayout.setLayoutParams(new LayoutParams(MATCH_PARENT, WRAP_CONTENT));
}
index = index >= mHeaderLayout.getChildCount() ? -1 : index;
mHeaderLayout.addView(header, index);
this.notifyDataSetChanged();
}

/**
* easy to show a simple footerView
* easy to show a simple footerView in mFooterLayout
*
* @param footer
*/
public void addFooterView(View footer) {
addFooterView(footer, -1);
}

/**
* add footer view to mFooterLayout and set footer view position in mFooterLayout
*
* @param footer
* @param index footer view position in mFooterLayout
*/
public void addFooterView(View footer, int index) {
mNextLoadEnable = false;
this.mFooterView = footer;
if (mFooterLayout == null) {
mFooterLayout = new LinearLayout(footer.getContext());
mFooterLayout.setOrientation(LinearLayout.VERTICAL);
mFooterLayout.setLayoutParams(new LayoutParams(MATCH_PARENT, WRAP_CONTENT));
}
index = index >= mFooterLayout.getChildCount() ? -1 : index;
mFooterLayout.addView(footer, index);
this.notifyDataSetChanged();
}

/**
* remove header view from mHeaderLayout
*
* @param header
*/
public void removeHeaderView(View header) {
if (mHeaderLayout == null) return;

mHeaderLayout.removeView(header);
if (mHeaderLayout.getChildCount() == 0) {
mHeaderLayout = null;
}
this.notifyDataSetChanged();
}

/**
* remove footer view from mFooterLayout
*
* @param footer
*/
public void removeFooterView(View footer) {
if (mFooterLayout == null) return;

mFooterLayout.removeView(footer);
if (mFooterLayout.getChildCount() == 0) {
mFooterLayout = null;
}
this.notifyDataSetChanged();
}

/**
* remove all header view from mHeaderLayout and set null to mHeaderLayout
*/
public void removeAllHeaderView() {
if (mFooterLayout == null) return;

mHeaderLayout.removeAllViews();
mHeaderLayout = null;
}

/**
* remove all footer view from mFooterLayout and set null to mFooterLayout
*/
public void removeAllFooterView() {
if (mFooterLayout == null) return;

mFooterLayout.removeAllViews();
mFooterLayout = null;
}

/**
* Sets the view to show if the adapter is empty
*/
Expand Down

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