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我能夠捕捉圖像，也能夠裁剪圖像。但是當我上傳圖像時，我無法保存裁剪後的圖像。而不是完整的圖像正在上傳，我要上傳僅裁剪圖像...裁剪後的圖像，並將其保存到mysqldatabse
public class imageuploadtest extends AppCompatActivity implements View.OnClickListener {
private ImageView Imageview;
EditText Name;
private Button Upload, Capture,camera;
private final int IMG_REQUEST = 1;
public Bitmap bitmap;
ImageView imageView;
Button buttonCamera, buttonGallery, submit;
File file;
Uri uri;
EditText date;
Intent CamIntent, GalIntent, CropIntent;
public static final int RequestPermissionCode = 1;
DisplayMetrics displayMetrics;
int width, height;
String server_url = "http://10.0.0.01/adcube/imageupload.php";
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.imageupload);
Imageview = (ImageView) findViewById(R.id.imageView);
Upload = (Button) findViewById(R.id.upload);
Capture = (Button) findViewById(R.id.capture);
Name = (EditText) findViewById(R.id.name);
camera= (Button) findViewById(R.id.camera);
Upload.setOnClickListener(this);
Capture.setOnClickListener(this);
camera.setOnClickListener(this);
}
@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.upload:
selectimage();
break;
case R.id.capture:
uploadImage();
break;
case R.id.camera:
ClickImageFromCamera();
}
}
public void ClickImageFromCamera() {
CamIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
file = new File(Environment.getExternalStorageDirectory(),
"file" + String.valueOf(System.currentTimeMillis()) + ".jpg");
uri = Uri.fromFile(file);
CamIntent.putExtra(android.provider.MediaStore.EXTRA_OUTPUT, uri);
CamIntent.putExtra("return-data", true);
startActivityForResult(CamIntent, 0);
}
private void selectimage() {
Intent intent = new Intent();
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(intent, IMG_REQUEST);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == 0 && resultCode == RESULT_OK) {
ImageCropFunction();
} else if (requestCode == 2) {
if (data != null) {
uri = data.getData();
ImageCropFunction();
}
} else if (requestCode == 1) {
if (data != null) {
ImageCropFunction();
try {
bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), uri);
Bundle bundle = data.getExtras();
Bitmap bitmap =bundle.getParcelable("data");
Imageview.setImageBitmap(bitmap);
Imageview.setVisibility(View.VISIBLE);
Name.setVisibility(View.VISIBLE);
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
private void uploadImage() {
StringRequest stringrequest = new StringRequest(Request.Method.POST, server_url, new Response.Listener<String>() {
@Override
public void onResponse(String response) {
try {
JSONObject jsonObject = new JSONObject(response);
String Response = jsonObject.getString("cropIntent");
Toast.makeText(imageuploadtest.this, Response, Toast.LENGTH_SHORT).show();
Imageview.setImageResource(0);
Imageview.setVisibility(View.GONE);
Name.setText("");
Name.setVisibility(View.GONE);
} catch (JSONException e) {
e.printStackTrace();
}
Toast.makeText(imageuploadtest.this, "successful", Toast.LENGTH_SHORT).show();
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Toast.makeText(imageuploadtest.this, error.toString(), Toast.LENGTH_SHORT).show();
}
}) {
@Override
protected Map<String, String> getParams() throws AuthFailureError {
Map<String, String> parms = new HashMap<>();
parms.put("name", Name.getText().toString().trim());
parms.put("image", imageToString(bitmap));
return parms;
}
};
Mysingleton.getInstance(imageuploadtest.this).addToRequest(stringrequest);
}
public void ImageCropFunction() {
// Image Crop Code
try {
CropIntent = new Intent("com.android.camera.action.CROP");
CropIntent.setDataAndType(uri, "image/*");
CropIntent.putExtra("crop", "true");
CropIntent.putExtra("outputX", 180);
CropIntent.putExtra("outputY", 180);
CropIntent.putExtra("aspectX", 3);
CropIntent.putExtra("aspectY", 4);
CropIntent.putExtra("scaleUpIfNeeded", true);
CropIntent.putExtra("return-data", true);
startActivityForResult(CropIntent, 1);
} catch (ActivityNotFoundException e) {
}
}
//cconvert image to string for database
public static String imageToString(Bitmap BitmapData) {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
BitmapData.compress(Bitmap.CompressFormat.JPEG, 100, bos);
byte[] byte_arr = bos.toByteArray();
String encoded = Base64.encodeToString(byte_arr, Base64.DEFAULT); //appendLog(file);
return encoded;
}
}
感謝它的工作原理... –