| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * 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.example.android.apis.view; |
| |
| import com.example.android.apis.R; |
| |
| import android.app.Activity; |
| import android.content.Context; |
| import android.content.res.TypedArray; |
| import android.os.Bundle; |
| import android.view.ContextMenu; |
| import android.view.MenuItem; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.ContextMenu.ContextMenuInfo; |
| import android.widget.AdapterView; |
| import android.widget.BaseAdapter; |
| import android.widget.Gallery; |
| import android.widget.ImageView; |
| import android.widget.Toast; |
| import android.widget.AdapterView.AdapterContextMenuInfo; |
| import android.widget.AdapterView.OnItemClickListener; |
| |
| public class Gallery1 extends Activity { |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| setContentView(R.layout.gallery_1); |
| |
| // Reference the Gallery view |
| Gallery g = (Gallery) findViewById(R.id.gallery); |
| // Set the adapter to our custom adapter (below) |
| g.setAdapter(new ImageAdapter(this)); |
| |
| // Set a item click listener, and just Toast the clicked position |
| g.setOnItemClickListener(new OnItemClickListener() { |
| public void onItemClick(AdapterView parent, View v, int position, long id) { |
| Toast.makeText(Gallery1.this, "" + position, Toast.LENGTH_SHORT).show(); |
| } |
| }); |
| |
| // We also want to show context menu for longpressed items in the gallery |
| registerForContextMenu(g); |
| } |
| |
| @Override |
| public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { |
| menu.add(R.string.gallery_2_text); |
| } |
| |
| @Override |
| public boolean onContextItemSelected(MenuItem item) { |
| AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo(); |
| Toast.makeText(this, "Longpress: " + info.position, Toast.LENGTH_SHORT).show(); |
| return true; |
| } |
| |
| public class ImageAdapter extends BaseAdapter { |
| int mGalleryItemBackground; |
| |
| public ImageAdapter(Context c) { |
| mContext = c; |
| // See res/values/attrs.xml for the <declare-styleable> that defines |
| // Gallery1. |
| TypedArray a = obtainStyledAttributes(R.styleable.Gallery1); |
| mGalleryItemBackground = a.getResourceId( |
| R.styleable.Gallery1_android_galleryItemBackground, 0); |
| a.recycle(); |
| } |
| |
| public int getCount() { |
| return mImageIds.length; |
| } |
| |
| public Object getItem(int position) { |
| return position; |
| } |
| |
| public long getItemId(int position) { |
| return position; |
| } |
| |
| public View getView(int position, View convertView, ViewGroup parent) { |
| ImageView i = new ImageView(mContext); |
| |
| i.setImageResource(mImageIds[position]); |
| i.setScaleType(ImageView.ScaleType.FIT_XY); |
| i.setLayoutParams(new Gallery.LayoutParams(136, 88)); |
| |
| // The preferred Gallery item background |
| i.setBackgroundResource(mGalleryItemBackground); |
| |
| return i; |
| } |
| |
| private Context mContext; |
| |
| private Integer[] mImageIds = { |
| R.drawable.gallery_photo_1, |
| R.drawable.gallery_photo_2, |
| R.drawable.gallery_photo_3, |
| R.drawable.gallery_photo_4, |
| R.drawable.gallery_photo_5, |
| R.drawable.gallery_photo_6, |
| R.drawable.gallery_photo_7, |
| R.drawable.gallery_photo_8 |
| }; |
| } |
| |
| } |