拍照-照片-上传

public class MainActivity extends Activity {
	private static final String DATA_PATH="/sdcard/imageShared/";
	private String filename;//拍照的文件名
	private static final int REQUESTCODE =1;//requestCode标记，做判断时用到
	
	private Button buttonImage,uploadBut;
	private ImageView iv;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		buttonImage = (Button) findViewById(R.id.button_Image);
		uploadBut =(Button) findViewById(R.id.uploadBut);
		iv = (ImageView) findViewById(R.id.imageView1);
		initSdcard();
	}
	/**
	 * 实现上传功能-未实现
	 * @author Administrator
	 *
	 */
	public void uploadButListener(View v){
		
	}
	/**
	* 拍照按钮
	* 主清单文件添加相应的拍照权限
	* <uses-permission android:name="android.permission.CAMERA"/>
	* @author Administrator
	*
    */
	public void ButtonImageListener(View v){
		//系统拍照功能：MediaStore.ACTION_IMAGE_CAPTURE
		Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
		//filename:生成的图片名称
		filename = System.currentTimeMillis()+".jpg";
		Uri uri = Uri.fromFile(new File(DATA_PATH+filename));
		intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
		startActivityForResult(intent,REQUESTCODE);
	}
	
	@Override
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
		Toast.makeText(getApplicationContext(), "in onActivityResult success", 1).show();
		if(resultCode==RESULT_OK && requestCode==REQUESTCODE){
			iv.setImageURI(Uri.parse(DATA_PATH+filename));
			//让上传按钮显示出来
			uploadBut.setVisibility(View.VISIBLE);
		}
	}
	//初始化sdcard信息
	private void initSdcard() {
		//判断是否有SD卡，没有则创建新的
		if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){
			File file = new File(DATA_PATH);
			if(!file.exists()){
				file.mkdir();
				Toast.makeText(getApplicationContext(), "创建sdcard目录", 1).show();
			}
		}	
	}
}	public class MainActivity extends Activity {
	p