捕获图像形式的相机并在ImageView中显示它的完整尺寸

Question

我是android编程的新手。我想写一个做两件事的程序。

首先：捕获图像并存储完整尺寸的图像

Scnd：在图像视图中显示

我已经完成了本教程的第一步 https://developer.android.com/training/camera/photobasics#java

但是在此文档中仅显示了如何显示缩略图 但我想在imageView中显示或加载所拍摄图像的完整尺寸

有人知道我该怎么办吗？ 谢谢

这是我的代码

public class MainActivity extends AppCompatActivity {

static final int REQUEST_IMAGE_CAPTURE = 1 ;
static final int REQUEST_TAKE_PHOTO = 1;

String mCurrentPhotoPath;

ImageView mImageView;
AppCompatActivity main = this;
private View.OnClickListener myListener = new View.OnClickListener(){

    public void onClick(View v) {
        dispatchTakePictureIntent();
    }
};

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

    FloatingActionButton fab = findViewById(R.id.fab);
    mImageView = findViewById(R.id.imageView2);

    fab.setOnClickListener(myListener);

}

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


}

private void dispatchTakePictureIntent(){
    Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
    if(takePictureIntent.resolveActivity(getPackageManager()) != null) {
        File photoFile = null;
        try{
            photoFile = createImageFile();
        }catch(Exception e){
            Log.d(TAG, "dispatchTakePictureIntent: exeption" + e.getMessage());
        }
        if(photoFile != null ){
            Uri photoURI = FileProvider.getUriForFile(this, "com.example.am.project" , photoFile);
            takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT , photoURI);
            Toast.makeText(getApplicationContext() , photoURI.toString() , Toast.LENGTH_SHORT).show();
            startActivityForResult(takePictureIntent , REQUEST_IMAGE_CAPTURE);
        }
    }
}

private File createImageFile() throws IOException  {
    //Create an Image file name
    String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
    String imageFileName = "JPEG_" + timeStamp + "_";
    File storageDir = getExternalFilesDir(Environment.DIRECTORY_PICTURES);
    File image = File.createTempFile(imageFileName , ".jpg", storageDir);
    //Save a file :path for use with ACTION_VIEW intents
    mCurrentPhotoPath = image.getAbsolutePath();
    return image;
}

}