Android自定义多图片上传控件

/* * * * Copyright (C) 2015 Eason.Lai (easonline7@gmail.com) * * * * 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.redare.imagepicker.ui; import android.app.Activity; import android.content.Context; import android.content.Intent; import android.graphics.Bitmap; import android.net.Uri; import android.os.Bundle; import android.os.Handler; import android.support.annotation.Nullable; import android.support.v4.app.Fragment; import android.text.TextUtils; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.WindowManager; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.BaseAdapter; import android.widget.Button; import android.widget.CompoundButton; import android.widget.GridView; import android.widget.ImageView; import android.widget.ListPopupWindow; import android.widget.PopupWindow; import android.widget.TextView; import android.widget.Toast; import com.facebook.drawee.backends.pipeline.Fresco; import com.facebook.drawee.backends.pipeline.PipelineDraweeController; import com.facebook.drawee.view.SimpleDraweeView; import com.facebook.imagepipeline.common.ResizeOptions; import com.facebook.imagepipeline.request.ImageRequestBuilder; import com.redare.imagepicker.AndroidImagePicker; import com.redare.imagepicker.R; import com.redare.imagepicker.Util; import com.redare.imagepicker.bean.ImageItem; import com.redare.imagepicker.bean.ImageSet; import com.redare.imagepicker.data.DataSource; import com.redare.imagepicker.data.OnImagesLoadedListener; import com.redare.imagepicker.data.impl.LocalDataSource; import com.redare.imagepicker.widget.SuperCheckBox; import java.io.IOException; import java.util.ArrayList; import java.util.List; public class ImagesGridFragment extends Fragment implements OnImagesLoadedListener,AndroidImagePicker.OnImageSelectedListener,AndroidImagePicker.OnImageCropCompleteListener{ private static final String TAG = ImagesGridFragment.class.getSimpleName(); Activity mContext; GridView mGridView; ImageGridAdapter mAdapter; int imageGridSize; Button btnDir;//button to change ImageSet private View mFooterView; private ListPopupWindow mFolderPopupWindow;//ImageSet PopupWindow private ImageSetAdapter mImageSetAdapter; List<ImageSet> mImageSetList;//data of all ImageSets // ImagePresenter mImagePresenter; AndroidImagePicker androidImagePicker; private OnItemClickListener mOnItemClickListener;//Grid Item click Listener private static final int ITEM_TYPE_CAMERA = 0;//the first Item may be Camera private static final int ITEM_TYPE_NORMAL = 1; @Override public void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); mContext = getActivity(); androidImagePicker = AndroidImagePicker.getInstance(); //androidImagePicker.clear(); androidImagePicker.addOnImageSelectedListener(this); androidImagePicker.addOnImageCropCompleteListener(this); //androidImagePicker.clearSelectedImages(); } @Nullable @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View contentView = inflater.inflate(R.layout.fragment_images_grid,null); mFooterView = contentView.findViewById(R.id.footer_panel); imageGridSize = (mContext.getWindowManager().getDefaultDisplay().getWidth() - Util.dp2px(mContext, 2) * 2) / 3; btnDir = (Button) contentView.findViewById(R.id.btn_dir); mGridView = (GridView) contentView.findViewById(R.id.gridview); /*mGridView.setOnScrollListener(new PauseOnScrollListener(ImageLoader.getInstance(), false, true, new AbsListView.OnScrollListener() { @Override public void onScrollStateChanged(AbsListView view, int scrollState) { //int firstVisibleItem if(scrollState == SCROLL_STATE_IDLE){ int lastPostion =view.getLastVisiblePosition(); int totalItemCount = view.getCount(); int preSize = totalItemCount - lastPostion <=6?totalItemCount - lastPostion:6; Log.i(TAG,"=====lastVisibleItem:"+lastPostion+" preLoad:"+preSize); for(int i = 0;i<preSize-1;i++){ String fileScheme = ImageDownloader.Scheme.FILE.wrap(mImageSetList.get(0).imageItems.get(lastPostion+i).path); ImageSize size = new ImageSize(imageGridSize,imageGridSize); ImageLoader.getInstance().loadImage(fileScheme, size, new ImageLoadingListener() { @Override public void onLoadingStarted(String imageUri, View view) { } @Override public void onLoadingFailed(String imageUri, View view, FailReason failReason) {} @Override public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) { } @Override public void onLoadingCancelled(String imageUri, View view) { } }); } } } @Override public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) { } }));//stop loading if fling or scrolling if using UIL*/ DataSource dataSource = new LocalDataSource(mContext); dataSource.provideMediaItems(this);//select all images from local database final int width = getResources().getDisplayMetrics().widthPixels; final int height = getResources().getDisplayMetrics().heightPixels; btnDir.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { if (mFolderPopupWindow == null) { createPopupFolderList(width, height); } backgroundAlpha(0.3f); mImageSetAdapter.refreshData(mImageSetList); mFolderPopupWindow.setAdapter(mImageSetAdapter); if (mFolderPopupWindow.isShowing()) { mFolderPopupWindow.dismiss(); } else { mFolderPopupWindow.show(); int index = mImageSetAdapter.getSelectIndex(); index = index == 0 ? index : index - 1; mFolderPopupWindow.getListView().setSelection(index); } } }); mImageSetAdapter = new ImageSetAdapter(mContext); mImageSetAdapter.refreshData(mImageSetList); return contentView; } public void setOnImageItemClickListener(OnItemClickListener l){ this.mOnItemClickListener = l; } @Override public void onImageSelected(int position, ImageItem item, int selectedItemsCount, int maxSelectLimit) { mAdapter.refreshData(AndroidImagePicker.getInstance().getImageItemsOfCurrentImageSet()); Log.i(TAG,"=====EVENT:onImageSelected"); } @Override public void onImageCropComplete(Bitmap bmp, float ratio) { getActivity().finish(); } /** * Adapter of image GridView */ class ImageGridAdapter extends BaseAdapter{ L