Java tutorial
/* * Copyright 2013 Thomas Hoffmann * * 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.soundcloud.android.crop.support; import android.database.Cursor; import android.net.Uri; import android.os.Bundle; import android.provider.MediaStore; import android.support.v4.app.Fragment; import android.support.v7.widget.Toolbar; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.GridView; import com.soundcloud.android.crop.R; import java.util.ArrayList; import java.util.List; public class ImagesFragment extends Fragment { @Override public View onCreateView(final LayoutInflater inflater, final ViewGroup container, final Bundle savedInstanceState) { View v = inflater.inflate(R.layout.gallery, null); Toolbar toolbar = (Toolbar) v.findViewById(R.id.toolbar); toolbar.setTitle(""); toolbar.setNavigationIcon(R.drawable.ic_arrow_back_white_24dp); toolbar.setNavigationOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { getActivity().onBackPressed(); } }); Cursor cur = getActivity().getContentResolver().query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, new String[] { MediaStore.Images.Media.DATA, MediaStore.Images.Media.DISPLAY_NAME, MediaStore.Images.Media.DATE_TAKEN, MediaStore.Images.Media.SIZE, MediaStore.Images.Media._ID }, MediaStore.Images.Media.BUCKET_ID + " = ?", new String[] { String.valueOf(getArguments().getInt("bucket")) }, MediaStore.Images.Media.DATE_MODIFIED + " DESC"); final List<GridItem> images = new ArrayList<GridItem>(cur.getCount()); if (cur != null) { if (cur.moveToFirst()) { while (!cur.isAfterLast()) { Uri uri = Uri.withAppendedPath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "" + cur.getString(4)); images.add(new GridItem(cur.getString(1), cur.getString(0), cur.getString(2), cur.getLong(3), uri)); cur.moveToNext(); } } cur.close(); } GridView grid = (GridView) v.findViewById(R.id.grid); grid.setAdapter(new GalleryAdapter(getActivity(), images)); grid.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { ((SelectPictureActivity) getActivity()).imageSelected(images.get(position).path, images.get(position).imageTaken, images.get(position).imageSize, images.get(position).uri); } }); return v; } }