Android实现图片上传功能

private void showDialog() {
  View view = getLayoutInflater().inflate(R.layout.user_header_dialog, null);
  final Dialog dialog = new Dialog(this, R.style.transparentFrameWindowStyle);
  dialog.setContentView(view, new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT));
  Window window = dialog.getWindow();
  // 设置显示动画
  window.setWindowAnimations(R.style.main_menu_animstyle);
  WindowManager.LayoutParams wl = window.getAttributes();
  wl.x = 0;
  wl.y = getWindowManager().getDefaultDisplay().getHeight();
  // 以下这两句是为了保证按钮可以水平满屏
  wl.width = ViewGroup.LayoutParams.MATCH_PARENT;
  wl.height = ViewGroup.LayoutParams.WRAP_CONTENT;

  // 设置显示位置
  dialog.onWindowAttributesChanged(wl);
  // 设置点击外围解散
  dialog.setCanceledOnTouchOutside(true);
  dialog.show();

  btn_picture = (Button) window.findViewById(R.id.btn_picture);
  btn_photo = (Button) window.findViewById(R.id.btn_photo);
  btn_cancle = (Button) window.findViewById(R.id.btn_cancle);

  btn_picture.setOnClickListener(new View.OnClickListener() {// 图库
     @SuppressLint("InlinedApi")
     @Override
     public void onClick(View v) {
      Intent intent = new Intent(PhotoSelectActivity.this, AlbumActivity.class);
      startActivity(intent);
      dialog.dismiss();
     }
    });
  btn_photo.setOnClickListener(new View.OnClickListener() {// 相机
     @SuppressLint("InlinedApi")
     @Override
     public void onClick(View v) {
      photo();
      dialog.dismiss();
     }
    });
  btn_cancle.setOnClickListener(new View.OnClickListener() {// 取消
     @Override
     public void onClick(View v) {
      dialog.dismiss();
     }
    });
 }

protected void onActivityResult(int requestCode, int resultCode, Intent data) {
  switch (requestCode) {
  case TAKE_PICTURE:
   if (Bimp.tempSelectBitmap.size() < 9 && resultCode == RESULT_OK) {
    File file = new File(Environment.getExternalStorageDirectory() + "/" + mImageFileName);
    mImagePath = file.getPath();
    Bitmap bitmapFromUrl = FileUtils.getBitmapFromUrl(mImagePath, 320, 480);
    String[] split = mImagePath.split("0/");
    String strUrl = "";
    if (split != null && split.length > 0) {
     strUrl = split[1];
    }
    // 重新缓存图片
    FileUtils.setPicToView(PhotoSelectActivity.this,bitmapFromUrl, strUrl);
    // 获取重新缓存图片的大小
    File iconDir = FileUtils.getIconDir(PhotoSelectActivity.this);
    String absolutePath = iconDir.getAbsolutePath();
    String picPath = absolutePath + strUrl;

    ImageItem takePhoto = new ImageItem();
    takePhoto.setBitmap(bitmapFromUrl);
    takePhoto.setImagePath(picPath);
    Bimp.tempSelectBitmap.add(takePhoto);
   }
   break;
  }
 }

/**
  * 清空图片集合
  */
 private void cleanImageList() {
  Bimp.max = 0;
  Bimp.tempSelectBitmap.clear();
 }

private void initPow() {
  View view = getLayoutInflater().inflate(R.layout.listview_popupwindows, null);

  final Dialog dialog = new Dialog(this, R.style.Dialog_Fullscreen);
  dialog.setContentView(view, new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT));
  Window window = dialog.getWindow();
  // 设置显示动画
  window.setWindowAnimations(R.style.main_menu_animstyle);
  WindowManager.LayoutParams wl = window.getAttributes();
  wl.x = 0;
  wl.y = getWindowManager().getDefaultDisplay().getHeight();

  int height = 0;
  int h=(int) (mScreenHeight / 1.6);
  int listH=AlbumActivity.contentList.size()*DensityUtil.dip2px(AlbumActivity.this,80);
  if (listH==0) {
   height=h;
  }else{
   if (listH>h) {
    height=h;
   }else{
    height=listH;
   }
  }

  // 以下这两句是为了保证按钮可以水平满屏
  wl.width = ViewGroup.LayoutParams.MATCH_PARENT;
  wl.height = height;
  // 设置显示位置
  dialog.onWindowAttributesChanged(wl);
  // 设置点击外围解散
  dialog.setCanceledOnTouchOutside(true);
  dialog.show();

  ListView listview = (ListView) window.findViewById(R.id.listview);
  ListAdapter listAdapter = new ListAdapter(AlbumActivity.this);
  listview.setAdapter(listAdapter);

  listview.setOnItemClickListener(new OnItemClickListener() {
   @Override
   public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
    dataList = (ArrayList<ImageItem>) AlbumActivity.contentList.get(arg2).imageList;
    String folderName = AlbumActivity.contentList.get(arg2).bucketName;
    tv_all.setText("" + folderName);
    gridImageAdapter = new AlbumGridViewAdapter(AlbumActivity.this, dataList, Bimp.tempSelectBitmap);
    agridView.setAdapter(gridImageAdapter);
    dialog.dismiss();
   }
  });

 }