@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
bitmapUtils = BitmapHelper.getInstance();
// 选择图片数量
mDesireImageCount = getArguments().getInt(EXTRA_SELECT_COUNT);
// 图片选择模式
final int mode = getArguments().getInt(EXTRA_SELECT_MODE);
// 默认选择
if (mode == MODE_MULTI) {
ArrayList<String> tmp = getArguments().getStringArrayList(EXTRA_DEFAULT_SELECTED_LIST);
if (tmp != null && tmp.size() > 0) {
resultList = tmp;
}
}
// 是否显示照相机
mIsShowCamera = getArguments().getBoolean(EXTRA_SHOW_CAMERA, true);
mImageAdapter = new ImageGridAdapter(getActivity(), mIsShowCamera);
// 是否显示选择指示器
mImageAdapter.showSelectIndicator(mode == MODE_MULTI);
mPopupAnchorView = view.findViewById(R.id.footer);
mTimeLineText = (TextView) view.findViewById(R.id.timeline_area);
// 初始化，先隐藏当前timeline
mTimeLineText.setVisibility(View.GONE);
mCategoryText = (TextView) view.findViewById(R.id.category_btn);
// 初始化，加载所有图片
mCategoryText.setText(R.string.folder_all);
mCategoryText.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View view) {
if (mFolderPopupWindow == null) {
createPopupFolderList(mGridWidth, mGridHeight);
}
if (mFolderPopupWindow.isShowing()) {
mFolderPopupWindow.dismiss();
} else {
mFolderPopupWindow.show();
int index = mFolderAdapter.getSelectIndex();
index = index == 0 ? index : index - 1;
mFolderPopupWindow.getListView().setSelection(index);
}
}
});
mPreviewBtn = (Button) view.findViewById(R.id.preview);
// 初始化，按钮状态初始化
if (resultList == null || resultList.size() <= 0) {
mPreviewBtn.setText(R.string.preview);
mPreviewBtn.setEnabled(false);
}
mPreviewBtn.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View view) {
// TODO 预览
}
});
mGridView = (GridView) view.findViewById(R.id.grid);
mGridView.setOnScrollListener(new MyScrollListener(bitmapUtils, false, true));
mGridView.setAdapter(mImageAdapter);
mGridView
.getViewTreeObserver()
.addOnGlobalLayoutListener(
new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
public void onGlobalLayout() {
final int width = mGridView.getWidth();
final int height = mGridView.getHeight();
mGridWidth = width;
mGridHeight = height;
final int desireSize = getResources().getDimensionPixelOffset(R.dimen.image_size);
final int numCount = width / desireSize;
final int columnSpace = getResources().getDimensionPixelOffset(R.dimen.space_size);
int columnWidth = (width - columnSpace * (numCount - 1)) / numCount;
mImageAdapter.setItemSize(columnWidth);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
mGridView.getViewTreeObserver().removeOnGlobalLayoutListener(this);
} else {
mGridView.getViewTreeObserver().removeGlobalOnLayoutListener(this);
}
}
});
mGridView.setOnItemClickListener(
new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
if (mImageAdapter.isShowCamera()) {
// 如果显示照相机，则第一个Grid显示为照相机，处理特殊逻辑
if (i == 0) {
showCameraAction();
} else {
// 正常操作
Image image = (Image) adapterView.getAdapter().getItem(i);
selectImageFromGrid(image, mode);
}
} else {
// 正常操作
Image image = (Image) adapterView.getAdapter().getItem(i);
selectImageFromGrid(image, mode);
}
}
});
mFolderAdapter = new FolderAdapter(getActivity());
}
