Android 從相冊選擇照片 手機拍照

public class MainActivity extends AppCompatActivity {

    private static int RESULT_LOAD_IMAGE = 1;

    @ViewInject(R.id.iv_pic)
    public ImageView mImageView;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ViewUtils.inject(this);
    }

    @OnClick(R.id.btn_selectpic)
    public void selectPic(View v) {
        Intent i = new Intent(
                Intent.ACTION_PICK,
                android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
        startActivityForResult(i, RESULT_LOAD_IMAGE);
    }

    @OnClick(R.id.btn_camera)
    protected void getImageFromCamera(View v) {
        String state = Environment.getExternalStorageState();
        if (state.equals(Environment.MEDIA_MOUNTED)) {
            Intent getImageByCamera = new Intent("android.media.action.IMAGE_CAPTURE");
            startActivityForResult(getImageByCamera, RESULT_LOAD_IMAGE);
        } else {
            Toast.makeText(getApplicationContext(), "請確認已經插入SD卡", Toast.LENGTH_LONG).show();
        }
    }


    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);

        //有時候返回的data裏面沒有uri而是在getExtras中
        if (requestCode == RESULT_LOAD_IMAGE && resultCode == RESULT_OK && null != data) {
            Uri selectedImage = data.getData();
            String[] filePathColumn = {MediaStore.Images.Media.DATA};

            Uri uri = data.getData();
            if (uri == null) {
                Bitmap bm = (Bitmap) data.getExtras().get("data");
                mImageView.setImageBitmap(bm);
            } else {
                try {
                    Bitmap bm = MediaStore.Images.Media.getBitmap(getContentResolver(), uri);
                    mImageView.setImageBitmap(bm);

                } catch (IOException e) {
                    e.printStackTrace();
                }

            }
        }

    }

}