List of usage examples for android.widget GridView setHorizontalSpacing
public void setHorizontalSpacing(int horizontalSpacing)
From source file:com.nttec.everychan.ui.presentation.BoardFragment.java
@SuppressLint("InlinedApi") private void openGridGallery() { final int tnSize = resources.getDimensionPixelSize(R.dimen.post_thumbnail_size); class GridGalleryAdapter extends ArrayAdapter<Triple<AttachmentModel, String, String>> implements View.OnClickListener, AbsListView.OnScrollListener { private final GridView view; private boolean selectingMode = false; private boolean[] isSelected = null; private volatile boolean isBusy = false; public GridGalleryAdapter(GridView view, List<Triple<AttachmentModel, String, String>> list) { super(activity, 0, list); this.view = view; this.isSelected = new boolean[list.size()]; }/*from w ww.j a va 2s. co m*/ @Override public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) { } @Override public void onScrollStateChanged(AbsListView view, int scrollState) { if (scrollState == AbsListView.OnScrollListener.SCROLL_STATE_IDLE) { if (isBusy) setNonBusy(); isBusy = false; } else isBusy = true; } private void setNonBusy() { if (!downloadThumbnails()) return; for (int i = 0; i < view.getChildCount(); ++i) { View v = view.getChildAt(i); Object tnTag = v.findViewById(R.id.post_thumbnail_image).getTag(); if (tnTag == null || tnTag == Boolean.FALSE) fill(view.getPositionForView(v), v, false); } } @Override public View getView(int position, View convertView, ViewGroup parent) { if (convertView == null) { convertView = new FrameLayout(activity); convertView.setLayoutParams(new AbsListView.LayoutParams(tnSize, tnSize)); ImageView tnImage = new ImageView(activity); tnImage.setLayoutParams(new FrameLayout.LayoutParams(tnSize, tnSize, Gravity.CENTER)); tnImage.setScaleType(ImageView.ScaleType.CENTER_INSIDE); tnImage.setId(R.id.post_thumbnail_image); ((FrameLayout) convertView).addView(tnImage); } convertView.setTag(getItem(position).getLeft()); safeRegisterForContextMenu(convertView); convertView.setOnClickListener(this); fill(position, convertView, isBusy); if (isSelected[position]) { /*ImageView overlay = new ImageView(activity); overlay.setImageResource(android.R.drawable.checkbox_on_background);*/ FrameLayout overlay = new FrameLayout(activity); overlay.setBackgroundColor(Color.argb(128, 0, 255, 0)); if (((FrameLayout) convertView).getChildCount() < 2) ((FrameLayout) convertView).addView(overlay); } else { if (((FrameLayout) convertView).getChildCount() > 1) ((FrameLayout) convertView).removeViewAt(1); } return convertView; } private void safeRegisterForContextMenu(View view) { try { view.setOnCreateContextMenuListener(new View.OnCreateContextMenuListener() { @Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { if (presentationModel == null) { Fragment currentFragment = MainApplication .getInstance().tabsSwitcher.currentFragment; if (currentFragment instanceof BoardFragment) { currentFragment.onCreateContextMenu(menu, v, menuInfo); } } else { BoardFragment.this.onCreateContextMenu(menu, v, menuInfo); } } }); } catch (Exception e) { Logger.e(TAG, e); } } @Override public void onClick(View v) { if (selectingMode) { int position = view.getPositionForView(v); isSelected[position] = !isSelected[position]; notifyDataSetChanged(); } else { BoardFragment fragment = BoardFragment.this; if (presentationModel == null) { Fragment currentFragment = MainApplication.getInstance().tabsSwitcher.currentFragment; if (currentFragment instanceof BoardFragment) fragment = (BoardFragment) currentFragment; } fragment.openAttachment((AttachmentModel) v.getTag()); } } private void fill(int position, View view, boolean isBusy) { AttachmentModel attachment = getItem(position).getLeft(); String attachmentHash = getItem(position).getMiddle(); ImageView tnImage = (ImageView) view.findViewById(R.id.post_thumbnail_image); if (attachment.thumbnail == null || attachment.thumbnail.length() == 0) { tnImage.setTag(Boolean.TRUE); tnImage.setImageResource(Attachments.getDefaultThumbnailResId(attachment.type)); return; } tnImage.setTag(Boolean.FALSE); CancellableTask imagesDownloadTask = BoardFragment.this.imagesDownloadTask; ExecutorService imagesDownloadExecutor = BoardFragment.this.imagesDownloadExecutor; if (presentationModel == null) { Fragment currentFragment = MainApplication.getInstance().tabsSwitcher.currentFragment; if (currentFragment instanceof BoardFragment) { imagesDownloadTask = ((BoardFragment) currentFragment).imagesDownloadTask; imagesDownloadExecutor = ((BoardFragment) currentFragment).imagesDownloadExecutor; } } bitmapCache.asyncGet(attachmentHash, attachment.thumbnail, tnSize, chan, localFile, imagesDownloadTask, tnImage, imagesDownloadExecutor, Async.UI_HANDLER, downloadThumbnails() && !isBusy, downloadThumbnails() ? (isBusy ? 0 : R.drawable.thumbnail_error) : Attachments.getDefaultThumbnailResId(attachment.type)); } public void setSelectingMode(boolean selectingMode) { this.selectingMode = selectingMode; if (!selectingMode) { Arrays.fill(isSelected, false); notifyDataSetChanged(); } } public void selectAll() { if (selectingMode) { Arrays.fill(isSelected, true); notifyDataSetChanged(); } } public void downloadSelected(final Runnable onFinish) { final Dialog progressDialog = ProgressDialog.show(activity, resources.getString(R.string.grid_gallery_dlg_title), resources.getString(R.string.grid_gallery_dlg_message), true, false); Async.runAsync(new Runnable() { @Override public void run() { BoardFragment fragment = BoardFragment.this; if (fragment.presentationModel == null) { Fragment currentFragment = MainApplication.getInstance().tabsSwitcher.currentFragment; if (currentFragment instanceof BoardFragment) fragment = (BoardFragment) currentFragment; } boolean flag = false; for (int i = 0; i < isSelected.length; ++i) if (isSelected[i]) if (!fragment.downloadFile(getItem(i).getLeft(), true)) flag = true; final boolean toast = flag; activity.runOnUiThread(new Runnable() { @Override public void run() { if (toast) Toast.makeText(activity, R.string.notification_download_exists_or_in_queue, Toast.LENGTH_LONG).show(); progressDialog.dismiss(); onFinish.run(); } }); } }); } } try { List<Triple<AttachmentModel, String, String>> list = presentationModel.getAttachments(); if (list == null) { Toast.makeText(activity, R.string.notifacation_updating_now, Toast.LENGTH_LONG).show(); return; } GridView grid = new GridView(activity); final GridGalleryAdapter gridAdapter = new GridGalleryAdapter(grid, list); grid.setNumColumns(GridView.AUTO_FIT); grid.setColumnWidth(tnSize); int spacing = (int) (resources.getDisplayMetrics().density * 5 + 0.5f); grid.setVerticalSpacing(spacing); grid.setHorizontalSpacing(spacing); grid.setPadding(spacing, spacing, spacing, spacing); grid.setAdapter(gridAdapter); grid.setOnScrollListener(gridAdapter); grid.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, 0, 1f)); final Button btnToSelecting = new Button(activity); btnToSelecting.setText(R.string.grid_gallery_select); CompatibilityUtils.setTextAppearance(btnToSelecting, android.R.style.TextAppearance_Small); btnToSelecting.setSingleLine(); btnToSelecting.setVisibility(View.VISIBLE); btnToSelecting.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT)); final LinearLayout layoutSelectingButtons = new LinearLayout(activity); layoutSelectingButtons.setOrientation(LinearLayout.HORIZONTAL); layoutSelectingButtons.setWeightSum(10f); Button btnDownload = new Button(activity); btnDownload.setLayoutParams( new LinearLayout.LayoutParams(0, LinearLayout.LayoutParams.WRAP_CONTENT, 3.25f)); btnDownload.setText(R.string.grid_gallery_download); CompatibilityUtils.setTextAppearance(btnDownload, android.R.style.TextAppearance_Small); btnDownload.setSingleLine(); Button btnSelectAll = new Button(activity); btnSelectAll.setLayoutParams( new LinearLayout.LayoutParams(0, LinearLayout.LayoutParams.WRAP_CONTENT, 3.75f)); btnSelectAll.setText(android.R.string.selectAll); CompatibilityUtils.setTextAppearance(btnSelectAll, android.R.style.TextAppearance_Small); btnSelectAll.setSingleLine(); Button btnCancel = new Button(activity); btnCancel.setLayoutParams(new LinearLayout.LayoutParams(0, LinearLayout.LayoutParams.WRAP_CONTENT, 3f)); btnCancel.setText(android.R.string.cancel); CompatibilityUtils.setTextAppearance(btnCancel, android.R.style.TextAppearance_Small); btnCancel.setSingleLine(); layoutSelectingButtons.addView(btnDownload); layoutSelectingButtons.addView(btnSelectAll); layoutSelectingButtons.addView(btnCancel); layoutSelectingButtons.setVisibility(View.GONE); layoutSelectingButtons.setLayoutParams(new LinearLayout.LayoutParams( LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT)); btnToSelecting.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { btnToSelecting.setVisibility(View.GONE); layoutSelectingButtons.setVisibility(View.VISIBLE); gridAdapter.setSelectingMode(true); } }); btnCancel.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { btnToSelecting.setVisibility(View.VISIBLE); layoutSelectingButtons.setVisibility(View.GONE); gridAdapter.setSelectingMode(false); } }); btnSelectAll.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { gridAdapter.selectAll(); } }); btnDownload.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { gridAdapter.downloadSelected(new Runnable() { @Override public void run() { btnToSelecting.setVisibility(View.VISIBLE); layoutSelectingButtons.setVisibility(View.GONE); gridAdapter.setSelectingMode(false); } }); } }); LinearLayout dlgLayout = new LinearLayout(activity); dlgLayout.setOrientation(LinearLayout.VERTICAL); dlgLayout.addView(btnToSelecting); dlgLayout.addView(layoutSelectingButtons); dlgLayout.addView(grid); Dialog gridDialog = new Dialog(activity); gridDialog.requestWindowFeature(Window.FEATURE_NO_TITLE); gridDialog.setContentView(dlgLayout); gridDialog.getWindow().setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT); gridDialog.show(); } catch (OutOfMemoryError oom) { MainApplication.freeMemory(); Logger.e(TAG, oom); Toast.makeText(activity, R.string.error_out_of_memory, Toast.LENGTH_LONG).show(); } }