学步园

private void storeInSD(Bitmap bitmap1) {
		File file = new File(FILE_DIR);
		            if (!file.exists()) {
		                file.mkdir();
		            }
		            File imageFile = new File(file, FileUtils.getFileName() + ".png");
		            try {
		                imageFile.createNewFile();
		                FileOutputStream fos = new FileOutputStream(imageFile);
		                bitmap1.compress(CompressFormat.PNG, 50, fos);
		                
		                Toast.makeText(MainActivity.this, "保存成功！", 1);
		                
		                fos.flush();
		                fos.close();
		            } catch (FileNotFoundException e) {
		                e.printStackTrace();
		                Toast.makeText(MainActivity.this, "保存失败！", 1);
		            } catch (IOException e) {
		                // TODO Auto-generated catch block
		                e.printStackTrace();
		                Toast.makeText(MainActivity.this, "保存失败！", 1);
		            }
		        }

public static String getCharacterAndNumber() {
		String rel="";
		SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmss"); 
		Date curDate = new Date(System.currentTimeMillis());
		rel = formatter.format(curDate);   
		return rel;
	}

public static String getFileName() {
		// mu
		//String fileNameRandom = getCharacterAndNumber(8);
		String fileNameRandom = getCharacterAndNumber();
		return  fileNameRandom;
	}