系统拍照和本地图册获取图片

private String localCameraPath = "";// 拍照后得到的图片地址

	/**
	 * 启动相机拍照 
	 */
	public void selectImageFromCamera() {
		Intent openCameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
		File dir = new File("图片路径");
		if (!dir.exists()) {
			dir.mkdirs();
		}
		File file = new File(dir, String.valueOf(System.currentTimeMillis())
				+ ".jpg");
		localCameraPath = file.getPath();
		Uri imageUri = Uri.fromFile(file);
		openCameraIntent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri);
		startActivityForResult(openCameraIntent,
				0);
	}
    
    /**
     * 获取本地图片
     */
    public void selectImageFromLocal() {
		Intent intent;
		if (Build.VERSION.SDK_INT < 19) {
			intent = new Intent(Intent.ACTION_GET_CONTENT);
			intent.setType("image/*");
		} else {
			intent = new Intent(
					Intent.ACTION_PICK,
					android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
		}
		startActivityForResult(intent, 1);
	}
    
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
		super.onActivityResult(requestCode, resultCode, data);
		if (resultCode == RESULT_OK) {
			switch (requestCode) {
			case 0:
				//处理拍照返回照片路径localCameraPath
				break;
			case 1:
				if (data != null) {
					Uri selectedImage = data.getData();
					if (selectedImage != null) {
						Cursor cursor = getContentResolver().query(
								selectedImage, null, null, null, null);
						cursor.moveToFirst();
						int columnIndex = cursor.getColumnIndex("_data");
						String localSelectPath = cursor.getString(columnIndex);
						cursor.close();
						if (localSelectPath == null
								|| localSelectPath.equals("null")) {
                                                          //未取到图片处理
                                                          return;
						}
                                                //localSelectPath路径处理
					}
				}
				break;
			}
		}
	}