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QuickAdapter 的创建

2016-05-12 09:30 453 查看
详解:http://blog.csdn.net/lmj623565791/article/details/44014941


这里是只支持一种布局的Quick,要使用多种布局,参考以上链接,

注意:由于setImageUrl()方法会根据图片的url加载图片,

需要导入Picasso包

使用方法 : 一般情况下,只需要创建适配器QuickAdapter,

adapter = new QuickAdapter< SearchShop>(context, R.layout.recommend_shop_list_item) {

@Override

protected void convert(BaseAdapterHelper helper, SearchShop shop) {

helper.setText(R.id.name, shop.getName())

.setText(R.id.address, shop.getAddr())

.setImageUrl(R.id.logo, shop.getLogo()); // 自动异步加载图片

}

};

SearchShop 封装数据的对象,

然后加载数据, List < SearchShop> list,调用 adapter.addAll(list);更新数据源

6.

QuickAdapter

/**
* Copyright 2013 Joan Zapata
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0 *
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.yuzhi.fine.ui.quickadapter;

import android.content.Context;
import android.view.View;
import android.view.ViewGroup;

import java.util.List;

/**
* Abstraction class of a BaseAdapter in which you only need
* to provide the convert() implementation.<br/>
* Using the provided BaseAdapterHelper, your code is minimalist.
*
* @param <T> The type of the items in the list.
*/
public abstract class QuickAdapter<T> extends BaseQuickAdapter<T, BaseAdapterHelper> {

/**
* Create a QuickAdapter.
*
* @param context     The context.
* @param layoutResId The layout resource id of each item.
*/
public QuickAdapter(Context context, int layoutResId) {
super(context, layoutResId);
}

/**
* Same as QuickAdapter#QuickAdapter(Context,int) but with
* some initialization data.
*
* @param context     The context.
* @param layoutResId The layout resource id of each item.
* @param data        A new list is created out of this one to avoid mutable list
*/
public QuickAdapter(Context context, int layoutResId, List<T> data) {
super(context, layoutResId, data);
}

protected BaseAdapterHelper getAdapterHelper(int position, View convertView, ViewGroup parent) {
return BaseAdapterHelper.get(context, convertView, parent, layoutResId, position);
}

}


BaseQuickAdapter

/**
* Copyright 2013 Joan Zapata
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0 *
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.yuzhi.fine.ui.quickadapter;

import android.content.Context;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.FrameLayout;
import android.widget.ProgressBar;

import java.util.ArrayList;
import java.util.List;

/**
* Abstraction class of a BaseAdapter in which you only need
* to provide the convert() implementation.<br/>
* Using the provided BaseAdapterHelper, your code is minimalist.
*
* @param <T> The type of the items in the list.
*/
public abstract class BaseQuickAdapter<T, H extends BaseAdapterHelper> extends BaseAdapter {

protected static final String TAG = BaseQuickAdapter.class.getSimpleName();

protected final Context context;

protected final int layoutResId;

protected final List<T> data;

protected boolean displayIndeterminateProgress = false;

/**
* Create a QuickAdapter.
*
* @param context     The context.
* @param layoutResId The layout resource id of each item.
*/
public BaseQuickAdapter(Context context, int layoutResId) {
this(context, layoutResId, null);
}

/**
* Same as QuickAdapter#QuickAdapter(Context,int) but with
* some initialization data.
*
* @param context     The context.
* @param layoutResId The layout resource id of each item.
* @param data        A new list is created out of this one to avoid mutable list
*/
public BaseQuickAdapter(Context context, int layoutResId, List<T> data) {
this.data = data == null ? new ArrayList<T>() : new ArrayList<T>(data);
this.context = context;
this.layoutResId = layoutResId;
}

@Override
public int getCount() {
int extra = displayIndeterminateProgress ? 1 : 0;
retu
4000
rn data.size() + extra;
}

@Override
public T getItem(int position) {
if (position >= data.size()) return null;
return data.get(position);
}

@Override
public long getItemId(int position) {
return position;
}

@Override
public int getViewTypeCount() {
return 2;
}

@Override
public int getItemViewType(int position) {
return position >= data.size() ? 1 : 0;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (getItemViewType(position) == 0) {
final H helper = getAdapterHelper(position, convertView, parent);
T item = getItem(position);
helper.setAssociatedObject(item);
convert(helper, item);
return helper.getView();
}

return createIndeterminateProgressView(convertView, parent);
}

private View createIndeterminateProgressView(View convertView, ViewGroup parent) {
if (convertView == null) {
FrameLayout container = new FrameLayout(context);
container.setForegroundGravity(Gravity.CENTER);
ProgressBar progress = new ProgressBar(context);
container.addView(progress);
convertView = container;
}
return convertView;
}

@Override
public boolean isEnabled(int position) {
return position < data.size();
}

public void add(T elem) {
data.add(elem);
notifyDataSetChanged();
}

public void addAll(List<T> elem) {
data.addAll(elem);
notifyDataSetChanged();
}

public void set(T oldElem, T newElem) {
set(data.indexOf(oldElem), newElem);
}

public void set(int index, T elem) {
data.set(index, elem);
notifyDataSetChanged();
}

public void remove(T elem) {
data.remove(elem);
notifyDataSetChanged();
}

public void remove(int index) {
data.remove(index);
notifyDataSetChanged();
}

public void replaceAll(List<T> elem) {
data.clear();
data.addAll(elem);
notifyDataSetChanged();
}

public boolean contains(T elem) {
return data.contains(elem);
}

/**
* Clear data list
*/
public void clear() {
data.clear();
notifyDataSetChanged();
}

public void showIndeterminateProgress(boolean display) {
if (display == displayIndeterminateProgress) return;
displayIndeterminateProgress = display;
notifyDataSetChanged();
}

/**
* Implement this method and use the helper to adapt the view to the given item.
*
* @param helper A fully initialized helper.
* @param item   The item that needs to be displayed.
*/
protected abstract void convert(H helper, T item);

/**
* You can override this method to use a custom BaseAdapterHelper in order to fit your needs
*
* @param position    The position of the item within the adapter's data set of the item whose view we want.
* @param convertView The old view to reuse, if possible. Note: You should check that this view
*                    is non-null and of an appropriate type before using. If it is not possible to convert
*                    this view to display the correct data, this method can create a new view.
*                    Heterogeneous lists can specify their number of view types, so that this View is
*                    always of the right type (see {@link #getViewTypeCount()} and
*                    {@link #getItemViewType(int)}).
* @param parent      The parent that this view will eventually be attached to
* @return An instance of BaseAdapterHelper
*/
protected abstract H getAdapterHelper(int position, View convertView, ViewGroup parent);

}


BaseAdapterHelper

/**
* Copyright 2013 Joan Zapata
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0 *
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.yuzhi.fine.ui.quickadapter;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Paint;
import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.text.util.Linkify;
import android.util.SparseArray;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.AlphaAnimation;
import android.widget.Adapter;
import android.widget.AdapterView;
import android.widget.Checkable;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.RatingBar;
import android.widget.TextView;

import com.squareup.picasso.Picasso;
import com.squareup.picasso.RequestCreator;
import com.yuzhi.fine.R;

/**
* Allows an abstraction of the ViewHolder pattern.<br>
* <br>
* <p/>
* <b>Usage</b>
* <p/>
* <pre>
* return BaseAdapterHelper.get(context, convertView, parent, R.layout.item)
*         .setText(R.id.tvName, contact.getName())
*         .setText(R.id.tvEmails, contact.getEmails().toString())
*         .setText(R.id.tvNumbers, contact.getNumbers().toString())
*         .getView();
* </pre>
*/
public class BaseAdapterHelper {

/**
* Views indexed with their IDs
*/
private final SparseArray<View> views;

private final Context context;

private int position;

private View convertView;

/**
* Package private field to retain the associated user object and detect a change
*/
Object associatedObject;

private BaseAdapterHelper(Context context, ViewGroup parent, int layoutId, int position) {
this.context = context;
this.position = position;
this.views = new SparseArray<View>();
convertView = LayoutInflater.from(context) //
.inflate(layoutId, parent, false);
convertView.setTag(this);
}

/**
* This method is the only entry point to get a BaseAdapterHelper.
*
* @param context     The current context.
* @param convertView The convertView arg passed to the getView() method.
* @param parent      The parent arg passed to the getView() method.
* @return A BaseAdapterHelper instance.
*/
public static BaseAdapterHelper get(Context context, View convertView, ViewGroup parent, int layoutId) {
return get(context, convertView, parent, layoutId, -1);
}

/**
* This method is package private and should only be used by QuickAdapter.
*/
static BaseAdapterHelper get(Context context, View convertView, ViewGroup parent, int layoutId, int position) {
if (convertView == null) {
return new BaseAdapterHelper(context, parent, layoutId, position);
}

// Retrieve the existing helper and update its position
BaseAdapterHelper existingHelper = (BaseAdapterHelper) convertView.getTag();
existingHelper.position = position;
return existingHelper;
}

/**
* This method allows you to retrieve a view and perform custom
* operations on it, not covered by the BaseAdapterHelper.<br/>
* If you think it's a common use case, please consider creating
* a new issue at https://github.com/JoanZapata/base-adapter-helper/issues. *
* @param viewId The id of the view you want to retrieve.
*/
public <T extends View> T getView(int viewId) {
return retrieveView(viewId);
}

/**
* Will set the text of a TextView.
*
* @param viewId The view id.
* @param value  The text to put in the text view.
* @return The BaseAdapterHelper for chaining.
*/
public BaseAdapterHelper setText(int viewId, String value) {
TextView view = retrieveView(viewId);
view.setText(value);
return this;
}

/**
* Will set the image of an ImageView from a resource id.
*
* @param viewId     The view id.
* @param imageResId The image resource id.
* @return The BaseAdapterHelper for chaining.
*/
public BaseAdapterHelper setImageResource(int viewId, int imageResId) {
ImageView view = retrieveView(viewId);
view.setImageResource(imageResId);
return this;
}

/**
* Will set background color of a view.
*
* @param viewId The view id.
* @param color  A color, not a resource id.
* @return The BaseAdapterHelper for chaining.
*/
public BaseAdapterHelper setBackgroundColor(int viewId, int color) {
View view = retrieveView(viewId);
view.setBackgroundColor(color);
return this;
}

/**
* Will set background of a view.
*
* @param viewId        The view id.
* @param backgroundRes A resource to use as a background.
* @return The BaseAdapterHelper for chaining.
*/
public BaseAdapterHelper setBackgroundRes(int viewId, int backgroundRes) {
View view = retrieveView(viewId);
view.setBackgroundResource(backgroundRes);
return this;
}

/**
* Will set text color of a TextView.
*
* @param viewId    The view id.
* @param textColor The text color (not a resource id).
* @return The BaseAdapterHelper for chaining.
*/
public BaseAdapterHelper setTextColor(int viewId, int textColor) {
TextView view = retrieveView(viewId);
view.setTextColor(textColor);
return this;
}

/**
* Will set text color of a TextView.
*
* @param viewId       The view id.
* @param textColorRes The text color resource id.
* @return The BaseAdapterHelper for chaining.
*/

fe9f
public BaseAdapterHelper setTextColorRes(int viewId, int textColorRes) {
TextView view = retrieveView(viewId);
view.setTextColor(context.getResources().getColor(textColorRes));
return this;
}

/**
* Will set the image of an ImageView from a drawable.
*
* @param viewId   The view id.
* @param drawable The image drawable.
* @return The BaseAdapterHelper for chaining.
*/
public BaseAdapterHelper setImageDrawable(int viewId, Drawable drawable) {
ImageView view = retrieveView(viewId);
view.setImageDrawable(drawable);
return this;
}

/**
* Will download an image from a URL and put it in an ImageView.<br/>
* It uses Square's Picasso library to download the image asynchronously and put the result into the ImageView.<br/>
* Picasso manages recycling of views in a ListView.<br/>
* If you need more control over the Picasso settings, use {BaseAdapterHelper#setImageBuilder}.
*
* @param viewId   The view id.
* @param imageUrl The image URL.
* @return The BaseAdapterHelper for chaining.
*/
public BaseAdapterHelper setImageUrl(int viewId, String imageUrl) {
ImageView view = retrieveView(viewId);
Picasso.with(context).load(getURLWithSize(imageUrl))
.placeholder(R.drawable.default_image)
.error(R.drawable.default_image)
.tag(context)
.into(view);
return this;
}

public static final String IMAGE_DOMAIN = "http://sye.img.zhongsou.com";

public static String getURLWithSize(String url) {
if (url == null || url.length() == 0) {
return url;
}
if (!url.startsWith("http://")) {
url = IMAGE_DOMAIN + url;
}
return url;
}

/**
* Will download an image from a URL and put it in an ImageView.<br/>
* @param viewId         The view id.
* @param requestBuilder The Picasso request builder. (e.g. Picasso.with(context).load(imageUrl))
* @return The BaseAdapterHelper for chaining.
*/
public BaseAdapterHelper setImageBuilder(int viewId, RequestCreator requestBuilder) {
ImageView view = retrieveView(viewId);
requestBuilder.into(view);
return this;
}

/**
* Add an action to set the image of an image view. Can be called multiple times.
*/
public BaseAdapterHelper setImageBitmap(int viewId, Bitmap bitmap) {
ImageView view = retrieveView(viewId);
view.setImageBitmap(bitmap);
return this;
}

/**
* Add an action to set the alpha of a view. Can be called multiple times.
* Alpha between 0-1.
*/
public BaseAdapterHelper setAlpha(int viewId, float value) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
retrieveView(viewId).setAlpha(value);
} else {
// Pre-honeycomb hack to set Alpha value
AlphaAnimation alpha = new AlphaAnimation(value, value);
alpha.setDuration(0);
alpha.setFillAfter(true);
retrieveView(viewId).startAnimation(alpha);
}
return this;
}

/**
* Set a view visibility to VISIBLE (true) or GONE (false).
*
* @param viewId  The view id.
* @param visible True for VISIBLE, false for GONE.
* @return The BaseAdapterHelper for chaining.
*/
public BaseAdapterHelper setVisible(int viewId, boolean visible) {
View view = retrieveView(viewId);
view.setVisibility(visible ? View.VISIBLE : View.GONE);
return this;
}

/**
* Add links into a TextView.
*
* @param viewId The id of the TextView to linkify.
* @return The BaseAdapterHelper for chaining.
*/
public BaseAdapterHelper linkify(int viewId) {
TextView view = retrieveView(viewId);
Linkify.addLinks(view, Linkify.ALL);
return this;
}

/**
* Apply the typeface to the given viewId, and enable subpixel rendering.
*/
public BaseAdapterHelper setTypeface(int viewId, Typeface typeface) {
TextView view = retrieveView(viewId);
view.setTypeface(typeface);
view.setPaintFlags(view.getPaintFlags() | Paint.SUBPIXEL_TEXT_FLAG);
return this;
}

/**
* Apply the typeface to all the given viewIds, and enable subpixel rendering.
*/
public BaseAdapterHelper setTypeface(Typeface typeface, int... viewIds) {
for (int viewId : viewIds) {
TextView view = retrieveView(viewId);
view.setTypeface(typeface);
view.setPaintFlags(view.getPaintFlags() | Paint.SUBPIXEL_TEXT_FLAG);
}
return this;
}

/**
* Sets the progress of a ProgressBar.
*
* @param viewId   The view id.
* @param progress The progress.
* @return The BaseAdapterHelper for chaining.
*/
public BaseAdapterHelper setProgress(int viewId, int progress) {
ProgressBar view = retrieveView(viewId);
view.setProgress(progress);
return this;
}

/**
* Sets the progress and max of a ProgressBar.
*
* @param viewId   The view id.
* @param progress The progress.
* @param max      The max value of a ProgressBar.
* @return The BaseAdapterHelper for chaining.
*/
public BaseAdapterHelper setProgress(int viewId, int progress, int max) {
ProgressBar view = retrieveView(viewId);
view.setMax(max);
view.setProgress(progress);
return this;
}

/**
* Sets the range of a ProgressBar to 0...max.
*
* @param viewId The view id.
* @param max    The max value of a ProgressBar.
* @return The BaseAdapterHelper for chaining.
*/
public BaseAdapterHelper setMax(int viewId, int max) {
ProgressBar view = retrieveView(viewId);
view.setMax(max);
return this;
}

/**
* Sets the rating (the number of stars filled) of a RatingBar.
*
* @param viewId The view id.
* @param rating The rating.
* @return The BaseAdapterHelper for chaining.
*/
public BaseAdapterHelper setRating(int viewId, float rating) {
RatingBar view = retrieveView(viewId);
view.setRating(rating);
return this;
}

/**
* Sets the rating (the number of stars filled) and max of a RatingBar.
*
* @param viewId The view id.
* @param rating The rating.
* @param max    The range of the RatingBar to 0...max.
* @return The BaseAdapterHelper for chaining.
*/
public BaseAdapterHelper setRating(int viewId, float rating, int max) {
RatingBar view = retrieveView(viewId);
view.setMax(max);
view.setRating(rating);
return this;
}

/**
* Sets the on click listener of the view.
*
* @param viewId   The view id.
* @param listener The on click listener;
* @return The BaseAdapterHelper for chaining.
*/
public BaseAdapterHelper setOnClickListener(int viewId, View.OnClickListener listener) {
View view = retrieveView(viewId);
view.setOnClickListener(listener);
return this;
}

/**
* Sets the on touch listener of the view.
*
* @param viewId   The view id.
* @param listener The on touch listener;
* @return The BaseAdapterHelper for chaining.
*/
public BaseAdapterHelper setOnTouchListener(int viewId, View.OnTouchListener listener) {
View view = retrieveView(viewId);
view.setOnTouchListener(listener);
return this;
}

/**
* Sets the on long click listener of the view.
*
* @param viewId   The view id.
* @param listener The on long click listener;
* @return The BaseAdapterHelper for chaining.
*/
public BaseAdapterHelper setOnLongClickListener(int viewId, View.OnLongClickListener listener) {
View view = retrieveView(viewId);
view.setOnLongClickListener(listener);
return this;
}

/**
* Sets the tag of the view.
*
* @param viewId The view id.
* @param tag    The tag;
* @return The BaseAdapterHelper for chaining.
*/
public BaseAdapterHelper setTag(int viewId, Object tag) {
View view = retrieveView(viewId);
view.setTag(tag);
return this;
}

/**
* Sets the tag of the view.
*
* @param viewId The view id.
* @param key    The key of tag;
* @param tag    The tag;
* @return The BaseAdapterHelper for chaining.
*/
public BaseAdapterHelper setTag(int viewId, int key, Object tag) {
View view = retrieveView(viewId);
view.setTag(key, tag);
return this;
}

/**
* Sets the checked status of a checkable.
*
* @param viewId  The view id.
* @param checked The checked status;
* @return The BaseAdapterHelper for chaining.
*/
public BaseAdapterHelper setChecked(int viewId, boolean checked) {
Checkable view = (Checkable) retrieveView(viewId);
view.setChecked(checked);
return this;
}

/**
* Sets the adapter of a adapter view.
*
* @param viewId  The view id.
* @param adapter The adapter;
* @return The BaseAdapterHelper for chaining.
*/
public BaseAdapterHelper setAdapter(int viewId, Adapter adapter) {
AdapterView view = retrieveView(viewId);
view.setAdapter(adapter);
return this;
}

/**
* Retrieve the convertView
*/
public View getView() {
return convertView;
}

/**
* Retrieve the overall position of the data in the list.
*
* @throws IllegalArgumentException If the position hasn't been set at the construction of the this helper.
*/
public int getPosition() {
if (position == -1)
throw new IllegalStateException("Use BaseAdapterHelper constructor " +
"with position if you need to retrieve the position.");
return position;
}

@SuppressWarnings("unchecked")
private <T extends View> T retrieveView(int viewId) {
View view = views.get(viewId);
if (view == null) {
view = convertView.findViewById(viewId);
views.put(viewId, view);
}
return (T) view;
}

/**
* Retrieves the last converted object on this view.
*/
public Object getAssociatedObject() {
return associatedObject;
}

/**
* Should be called during convert
*/
public void setAssociatedObject(Object associatedObject) {
this.associatedObject = associatedObject;
}
}


EnhancedQuickAdapter

package com.yuzhi.fine.ui.quickadapter;

import android.content.Context;

import java.util.List;

/**
* Same as QuickAdapter, but adds an "itemChanged" boolean in the
* convert() method params, which allows you to know if you are
* adapting the new view to the same item or not, and therefore
* make a difference between dataset changed / dataset invalidated.
* <p/>
* Abstraction class of a BaseAdapter in which you only need
* to provide the convert() implementation.<br/>
* Using the provided BaseAdapterHelper, your code is minimalist.
*
* @param <T> The type of the items in the list.
*/
public abstract class EnhancedQuickAdapter<T> extends QuickAdapter<T> {

/**
* Create a QuickAdapter.
*
* @param context     The context.
* @param layoutResId The layout resource id of each item.
*/
public EnhancedQuickAdapter(Context context, int layoutResId) {
super(context, layoutResId);
}

/**
* Same as QuickAdapter#QuickAdapter(Context,int) but with
* some initialization data.
*
* @param context     The context.
* @param layoutResId The layout resource id of each item.
* @param data        A new list is created out of this one to avoid mutable list
*/
public EnhancedQuickAdapter(Context context, int layoutResId, List<T> data) {
super(context, layoutResId, data);
}

@Override
protected final void convert(BaseAdapterHelper helper, T item) {
boolean itemChanged = helper.associatedObject == null || !helper.associatedObject.equals(item);
helper.associatedObject = item;
convert(helper, item, itemChanged);
}

/**
* @param helper      The helper to use to adapt the view.
* @param item        The item you should adapt the view to.
* @param itemChanged Whether or not the helper was bound to another object before.
*/
protected abstract void convert(BaseAdapterHelper helper, T item, boolean itemChanged);
}
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标签:  quickAdapt