Android Can';t替换来自照相机或多媒体资料的图像的图像视图(它不工作)
当我显示我的多媒体资料中的图像并选择了一个图像时,我无法替换多媒体资料或相机中其他图像的图像。这不会替换图像。另外,当我用相机拍摄图像时,它不会显示,我也不能拍照。我想替换片段中的图像,这是片段的代码。在摄像机的例子中,我认为这可能是因为我没有正确添加摄像机的清单,但后来我看到了这一点,我认为这是正确的Android Can';t替换来自照相机或多媒体资料的图像的图像视图(它不工作),android,android-camera,android-gallery,Android,Android Camera,Android Gallery,当我显示我的多媒体资料中的图像并选择了一个图像时,我无法替换多媒体资料或相机中其他图像的图像。这不会替换图像。另外,当我用相机拍摄图像时,它不会显示,我也不能拍照。我想替换片段中的图像,这是片段的代码。在摄像机的例子中,我认为这可能是因为我没有正确添加摄像机的清单,但后来我看到了这一点,我认为这是正确的 public class SettingsFragment extends Fragment { private ImageView ivImage; private Strin
public class SettingsFragment extends Fragment {
private ImageView ivImage;
private String userChoosenTask;
private int REQUEST_CAMERA = 0, SELECT_FILE = 1;
private Button btnSelect;
public SettingsFragment() {
}
private void cameraIntent(){
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(intent, REQUEST_CAMERA);
}
private void galleryIntent(){
Intent intent = new Intent();
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent, "Selecciona una imagen"), SELECT_FILE);
}
@SuppressWarnings("deprecation")
public void onSelectFromGalleryResult(Intent data){
Bitmap bm = null;
if(data != null){
try{
bm = MediaStore.Images.Media.getBitmap(getActivity().getApplicationContext().getContentResolver(),data.getData());
}catch(IOException e){
e.printStackTrace();
}
}
ivImage.setImageBitmap(bm);
}
private void onCaptureImageResult(Intent data){
Bitmap thumbnail = (Bitmap) data.getExtras().get("data");
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
thumbnail.compress(Bitmap.CompressFormat.JPEG,90, bytes);
File destination = new File(Environment.getExternalStorageDirectory(),System.currentTimeMillis()+".jpg");
FileOutputStream fo;
try{
destination.createNewFile();
fo = new FileOutputStream(destination);
fo.write(bytes.toByteArray());
fo.close();
}catch (FileNotFoundException e){
e.printStackTrace();
}catch (IOException e){
e.printStackTrace();
}
ivImage.setImageBitmap(thumbnail);
}private void SelectImage(){
final CharSequence[] items = {"Realizar foto", "Selecciona una imagen", "Cancelar"};
AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
builder.setTitle("Añadir foto");
builder.setItems(items, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int item) {
boolean result = Utility.checkPermission(getContext());
if(items[item].equals("Realizar una foto")){
userChoosenTask = "Realizar una foto";
if(result)
cameraIntent();
}else if(items[item].equals("Selecciona una imagen")){
userChoosenTask = "Selecciona una imagen";
if(result){
galleryIntent();
}
}else if(items[item].equals("Cancelar")){
dialog.dismiss();
}
}
});
builder.show();
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
final View rootView = inflater.inflate(R.layout.fragment_perfil, container, false);
final Fragment settings = new Sett();
final Fragment datospersonales = new datospersonales();
btnSelect = (Button) rootView.findViewById(R.id.btnSelectPhoto);
final FragmentManager fragmentManager = getFragmentManager();
final ImageButton optsel = (ImageButton) rootView.findViewById(R.id.optsel);
final Button alerta = (Button) rootView.findViewById(R.id.alerta);
btnSelect.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
SelectImage();
}
});
optsel.setOnClickListener(new View.OnClickListener(){
@Override
public void onClick(View v) {
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
fragmentTransaction.replace(R.id.fragmentContainer, settings).commit();
}
});
alerta.setOnClickListener(new View.OnClickListener(){
@Override
public void onClick(View v) {
Notification();
}
});
ivImage = (ImageView) rootView.findViewById(R.id.ivImage);
return rootView;
}
public void Notification(){
NotificationCompat.Builder notificationBuilder = (NotificationCompat.Builder) new NotificationCompat.Builder(getContext())
.setDefaults(NotificationCompat.DEFAULT_ALL)
.setSmallIcon(R.mipmap.ic_launcher)
.setLargeIcon(BitmapFactory.decodeResource(getResources(),R.mipmap.ic_launcher))
.setContentTitle("C4Growth")
.setContentText("Alerta bullying activada");
NotificationManager notificationManager = (NotificationManager) getContext().getSystemService(Context.NOTIFICATION_SERVICE);
notificationManager.notify(1,notificationBuilder.build());
}
public void onRequestPermissionResult(int requestCode, String[] permissions, int[] grantResults){
switch (requestCode){
case Utility.MY_PERMISSIONS_REQUEST_READ_EXTERNAL_STORAGE:
if(grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED){
if(userChoosenTask.equals("Realizar una foto")){
cameraIntent();
}else if(userChoosenTask.equals("Selecciona una imagen")){
galleryIntent();
}
}else{
}
break;
}
}
public void onActivityResult(int requestCode, int resultCode, Intent data){
super.onActivityResult(requestCode,resultCode,data);
if(requestCode == Activity.RESULT_OK){
if(requestCode == SELECT_FILE){
onSelectFromGalleryResult(data);
}else if(requestCode == REQUEST_CAMERA){
onCaptureImageResult(data);
}
}
}
}
我一直在看你的代码!这是你能用它做的!把事情做完 第1步: 重写onActvityCreated()的一个方法,并在那里使用click listener,然后使用父活动的上下文在片段中获取其onActivityResult方法,这样就可以了 检查这个太它有很好的解决方案,在它,我试图告诉 第二步: 要了解更多信息,请查看此博客,我发现它有点帮助 这要归功于“雷克斯圣约翰”
注意:尝试此操作,如果不起作用,请发表评论,我将与您一起尝试解决^ ^从您的代码中,我可以看到您正在尝试获取图片,然后将其保存在图库中,然后在ImageView中重新蚀刻!你能不能再分享一些代码或logcat错误!请。我有一个建议的解决方案,您正在获取正确的数据!那里没有bug,但您正在尝试从imageResult获取图像到片段!我可以看到您正在片段的视图方法中使用click listener!这是可行的,但你应该尝试在logcat中的ONACTIVITYCREATED Fragments方法中使用你的点击代码。我没有看到任何重要的错误,当我从我的图库中选择照片时,这个选择正确,但没有替换旧照片,我想替换这个片段中的照片,我如何解决?如果我在oncreate中尝试替换的click代码,应用程序崩溃@rizwan AttachOverride片段中名为“onActivityCreated”的另一个方法,并将click listener放在那里,然后重试,我在onActivityCreated的片段调用中没有任何方法,只有onCreated和onCreatedView:(@rizwan atta,我把这个方法放在哪里了?我打算按照解决方案来做,但我的片段仍然不能正确工作:(@rizwan atta在我开始使用startActivityForResult(intent,REQUEST\u CAMERA)之前,在cameraintent()和GalleryContent()中对我的代码做了一些更改;现在我有了frag.startActivityForResult(intent,REQUEST\u CAMERA);我没有发现错误:(@rizwan atta)