口袋微薄源码
package wyf.wpf; import static wyf.wpf.ConstantUtil.IMAGESWITCHER_HEIGHT; import static wyf.wpf.ConstantUtil.PHOTO_HEIGHT; import static wyf.wpf.ConstantUtil.PHOTO_WIDTH; import static wyf.wpf.ConstantUtil.SERVER_ADDRESS; import static wyf.wpf.ConstantUtil.SERVER_PORT; import java.util.ArrayList; import java.util.List; import android.app.Activity; import android.app.AlertDialog; import android.content.DialogInterface; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Color; import android.graphics.drawable.BitmapDrawable; import android.graphics.drawable.Drawable; import android.opengl.Visibility; import android.os.Bundle; import android.os.Handler; import android.os.Looper; import android.os.Message; import android.view.View; import android.view.ViewGroup; import android.view.animation.AnimationUtils; import android.widget.AdapterView; import android.widget.BaseAdapter; import android.widget.Button; import android.widget.Gallery; import android.widget.ImageSwitcher; import android.widget.ImageView; import android.widget.Spinner; import android.widget.TextView; import android.widget.Toast; import android.widget.ViewSwitcher; import android.widget.AdapterView.OnItemClickListener; import android.widget.AdapterView.OnItemSelectedListener; public class AlbumActivity extends Activity implements ViewSwitcher.ViewFactory{ List<String []> photoInfoList = new ArrayList<String []>(); Bitmap [] photoList; //存放图片的数组 Gallery gl = null; //Gallery对象的引用 ImageSwitcher is = null; //ImageSwitcher对象的引用 Spinner sp = null; //Spinner对象的引用 MyConnector mc = null; //MyConnector对象的引用 String xid = ""; //存放相册的ID String uno = ""; //存放用户ID String visitor = ""; //存放访问者的ID String pid = ""; //存放当前显示的照片ID int from = -1; //启动该Activity的来源，0为MyAlbumListActivity，1为AlbumListActivity List<String []> albumInfoList = new ArrayList<String []>(); //存放相册信息，id和相册名称 //Spinner的Adapter BaseAdapter baSpinner = new BaseAdapter() { @Override public View getView(int position, View convertView, ViewGroup parent) { TextView tv = new TextView(AlbumActivity.this); tv.setTextSize(18.5f); tv.setTextColor(Color.DKGRAY); String [] sa = albumInfoList.get(position); tv.setText(sa[1]); return tv; } @Override public long getItemId(int position) { return 0; } @Override public Object getItem(int position) { return null; } @Override public int getCount() { return albumInfoList.size(); } }; //Gallery的Adapter BaseAdapter baGallery= new BaseAdapter() { @Override public View getView(int position, View convertView, ViewGroup parent) { ImageView iv = new ImageView(AlbumActivity.this); iv.setAdjustViewBounds(true); iv.setLayoutParams(new Gallery.LayoutParams(PHOTO_WIDTH, PHOTO_HEIGHT)); iv.setMaxHeight(PHOTO_HEIGHT); //设置ImageView显示的高度 iv.setMaxWidth(PHOTO_WIDTH); //设置ImageView显示的宽度 iv.setImageBitmap(photoList[position]); //设置ImageView显示的内容 return iv; } @Override public long getItemId(int position) { return 0; } @Override public Object getItem(int position) { return null; } @Override public int getCount() { if(photoList != null){ return photoList.length; } else{ return 0; } } }; //点下Gallery中的图片后触发的事件监听器 OnItemClickListener myListener = new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View v, int position, long id) { if(is != null){ //如果ImageSwitcher不为空 Drawable d = new BitmapDrawable(photoList[position]); is.setImageDrawable(d); } } }; Handler myHandler = new Handler(){ @Override public void handleMessage(Message msg) { switch(msg.what){ case 0: gl.setAdapter(baGallery); is.setImageDrawable(new BitmapDrawable(photoList[0])); break; } super.handleMessage(msg); } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.album); //设置当前屏幕 Intent intent = getIntent(); //获取启动该Activity的Intent uno = intent.getStringExtra("uno"); //获得Extra字段的uno visitor = intent.getStringExtra("visitor"); from = intent.getIntExtra("from", -1); //获得Extra字段的from int position = intent.getIntExtra("position", 0); //获得被选中的相册 String [] albumInfoArray = intent.getStringArrayExtra("albumlist"); //获得相册信息数组 xid = intent.getStringExtra("xid"); //获得被选中的相册编号 albumInfoList = new ArrayList<String []>(); for(String s:albumInfoArray){ //遍历信息数组 String [] sa = s.split("\\|"); albumInfoList.add(sa); //构建相册信息列表 } sp = (Spinner)findViewById(R.id.spAlbum); //获得Spinner对象 sp.setAdapter(baSpinner); //设置Spinner对象的Adapter sp.setSelection(position); //选中在前一个Activity中被选中的相册 sp.setOnItemSelectedListener(new OnItemSelectedListener() { //为Spinner添加监听器 @Override public void onItemSelected(AdapterView<?> parent, View v, int position, long id) { xid = albumInfoList.get(position)[0]; //修改存储相册ID的成员变量 getPhotoList(); //获得相册中的相片列表 } @Override public void onNothingSelected(AdapterView<?> parent) {} }); gl = (Gallery)findViewById(R.id.galleryPhoto); //获得Gallery对象 gl.setOnItemClickListener(myListener); //设置Gallery的OnItemClickListener监听器 is = (ImageSwitcher)findViewById(R.id.isPhoto); //获得ImageSwitcher对象 is.setFactory(this); //设置ImageSwitcher的Factory is.setInAnimation(AnimationUtils.loadAnimation(this, android.R.anim.fade_in)); //设置ImageSwitcher的In动画 is.setOutAnimation(AnimationUtils.loadAnimation(this, android.R.anim.fade_out));//设置ImageSwitcher的Out动画 Button btnBack = (Button)findViewById(R.id.btnAlbumBack); //获得返回按钮btnBack btnBack.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { switch(from){ //判断启动该Activity的来源 case 0: //有MyAlbumListActivity启动 Intent intent1 = new Intent(AlbumActivity.this,FunctionTabActivity.class); intent1.putExtra("uno", uno); intent1.putExtra("tab", "tab5"); startActivity(intent1); finish(); break; case 1: //由AlbumListActivity启动 Intent intent2 = new Intent(AlbumActivity.this,HomePageActivity.class); intent2.putExtra("uno", uno); intent2.putExtra("visitor", visitor); intent2.putExtra("tab", "tab2"); startActivity(intent2); finish(); break; } } }); Button btnDeletePhoto = (Button)findViewById(R.id.btnDeletePhoto); if(visitor != null){ //不是查看自己的相册 btnDeletePhoto.setVisibility(View.GONE); //如果不是自己的相册，隐藏删除按钮 } btnDeletePhoto.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { new AlertDialog.Builder(AlbumActivity.this) .setTitle("提示") .setIcon(R.drawable.alert_icon) .setMessage("确认删除该照片？") .setPositiveButton( "确定", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { int pos = gl.getSelectedItemPosition(); pid = photoInfoList.get(pos)[0]; deletePhoto(); } }) .setNegativeButton( "取消", null) .show(); } }); } public void getPhotoList(){ new Thread(){ public void run(){ Looper.prepare(); try{ mc = null; mc = new MyConnector(SERVER_ADDRESS, SERVER_PORT); mc.dout.writeUTF("<#GET_ALBUM#>"+xid); int size = 0; //获得相册长度 size = mc.din.readInt(); //读取相册的长度 if(size == 0){ Toast.makeText(AlbumActivity.this, "该相册还未上传照片", Toast.LENGTH_LONG).show(); Looper.loop(); return; } photoInfoList = new ArrayList<String []>(size); photoList = new Bitmap[size]; for(int i=0;i<size;i++){ //循环获取图片数据 String photoInfo = mc.din.readUTF(); //读取相片信息 String [] sa = photoInfo.split("\\|"); //切割字符串 photoInfoList.add(sa); //将相片信息添加到列表中 int photoLength = mc.din.readInt(); //读取相片长度 byte [] buf = new byte[photoLength]; //创建相应长度的数组 mc.din.read(buf); //读入图片数据 photoList[i] = BitmapFactory.decodeByteArray(buf, 0, photoLength); //创建Bitmap } myHandler.sendEmptyMessage(0); }catch(Exception e){ e.printStackTrace(); } } }.start(); } //方法：删除指定照片 public void deletePhoto(){ new Thread(){ public void run(){ Looper.prepare(); try{ if(mc ==null){ mc = new MyConnector(SERVER_ADDRESS, SERVER_PORT); } String msg = "<#DELETE_PHOTO#>"+pid; mc.dout.writeUTF(msg); String reply = mc.din.readUTF(); if(reply.equals("<#DELETE_PHOTO_SUCCESS#>")){ Toast.makeText(AlbumActivity.this, "照片删除成功！", Toast.LENGTH_LONG).show(); } else { Toast.makeText(AlbumActivity.this, "删除失败，请重试！", Toast.LENGTH_LONG).show(); } getPhotoList(); Looper.loop(); }catch(Exception e){ e.printStackTrace(); } } }.start(); } @Override public View makeView() { ImageView iv = new ImageView(this); iv.setScaleType(ImageView.ScaleType.CENTER_INSIDE); iv.setLayoutParams(new ImageSwitcher.LayoutParams(IMAGESWITCHER_HEIGHT,IMAGESWITCHER_HEIGHT)); return iv; } @Override protected void onDestroy() { if(mc != null){ mc.sayBye(); mc = null; } super.onDestroy(); } }
