My Activity class：
public class CommonChattingAttachmentActivity
extends AppCompatActivity {
Realm realm;
RealmChangeListener realmChangeListener;
CommonChattingAttachmentCustomAdapter adapter;
ListView lv;
EditText descEditTxt;
boolean result = Utility.checkPermission(CommonChattingAttachmentActivity.this);
String userChoosenTask;
TextView descTxt;
ImageView imgallery, imgcam, img;
private static final int REQUEST_CAMERA = 1888;
private static final int SELECT_FILE = 1889;
ImageView imgattach;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_common_chatting_attachment);
lv = (ListView) findViewById(R.id.Listview_common);
//img=(ImageView)findViewById(R.id.img);
//descTxt= (TextView) findViewById(R.id.textdesc);
//INITIALIZE REALM
realm = Realm.getDefaultInstance();
setAdapter();
displayInputDialog();
imgcam = (ImageView) findViewById(R.id.imgcam);
imgallery = (ImageView) findViewById(R.id.imggallery);
imgattach = (ImageView) findViewById(R.id.imgattach);
imgallery.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
galleryIntent();
}
});
imgcam.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
cameraIntent();
}
});
imgattach.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
selectImage();
}
});
}
public void setAdapter() {
//lv= (ListView) findViewById(R.id.Listview_common);
final CommonChatRealmHelper helper = new CommonChatRealmHelper(realm);
helper.retrieveFromDB();
adapter = new CommonChattingAttachmentCustomAdapter(this, helper.justRefresh());
lv.setAdapter(adapter);
adapter.notifyDataSetChanged();
realmChangeListener = new RealmChangeListener() {
@Override
public void onChange() {
adapter = new CommonChattingAttachmentCustomAdapter(CommonChattingAttachmentActivity.this, helper.justRefresh());
lv.setAdapter(adapter);
adapter.notifyDataSetChanged();
}
};
realm.addChangeListener(realmChangeListener);
}
private void setAdapters() {
lv = (ListView) findViewById(R.id.Listview_common);
//INITIALIZE REALM
realm = Realm.getDefaultInstance();
final CommonChatRealmHelper helper = new CommonChatRealmHelper(realm);
helper.retrieveFromDB();
adapter = new CommonChattingAttachmentCustomAdapter(this, helper.justRefresh());
lv.setAdapter(adapter);
adapter.notifyDataSetChanged();
realmChangeListener = new RealmChangeListener() {
@Override
public void onChange() {
adapter = new CommonChattingAttachmentCustomAdapter(CommonChattingAttachmentActivity.this, helper.justRefresh());
lv.setAdapter(adapter);
adapter.notifyDataSetChanged();
}
};
realm.addChangeListener(realmChangeListener);
}
//DISPLAY INPUT DIALOG
public void displayInputDialog() {
//EDITTEXTS
descEditTxt = (EditText) findViewById(R.id.editwrite);
ImageView fab = (ImageView) findViewById(R.id.send);
//SAVE
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// descTxt.setVisibility(View.VISIBLE);
//img.setVisibility(View.GONE);
String desc = descEditTxt.getText().toString();
CommonChat s = new CommonChat();
s.setDescription(desc);
CommonChatRealmHelper helper = new CommonChatRealmHelper(realm);
if(helper.save(s)) {
descEditTxt.setText("");
} else {
Toast.makeText(CommonChattingAttachmentActivity.this, "Invalid Data", Toast.LENGTH_SHORT).show();
}
}
});
}
public void cameraIntent() {
Intent intent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
// Intent intent = new Intent(MediaStore.EXTRA_OUTPUT);
startActivityForResult(intent, REQUEST_CAMERA);
}
public void galleryIntent() {
Intent intent = new Intent();
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);//
startActivityForResult(Intent.createChooser(intent, "Select File"), SELECT_FILE);
}
public void selectImage() {
final CharSequence[] items = {"Take Photo", "Choose from Library", "Cancel"};
AlertDialog.Builder builder = new AlertDialog.Builder(CommonChattingAttachmentActivity.this);
builder.setTitle("Add Photo!");
builder.setItems(items, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int item) {
boolean result = Utility.checkPermission(CommonChattingAttachmentActivity.this);
if(items[item].equals("Take Photo")) {
userChoosenTask = "Take Photo";
if(result) {
cameraIntent();
}
} else if(items[item].equals("Choose from Library")) {
userChoosenTask = "Choose from Library";
if(result) {
galleryIntent();
}
} else if(items[item].equals("Cancel")) {
dialog.dismiss();
}
}
});
builder.show();
}
@Override
public void onRequestPermissionsResult(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("Take Photo")) {
cameraIntent();
} else if(userChoosenTask.equals("Choose from Library")) {
galleryIntent();
}
} else {
//code for deny
}
break;
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if(resultCode == Activity.RESULT_OK) {
if(requestCode == SELECT_FILE) {
onSelectFromGalleryResult(data);
} else if(requestCode == REQUEST_CAMERA) {
onCaptureImageResult(data);
}
}
}
@SuppressWarnings("deprecation")
public void onSelectFromGalleryResult(Intent data) {
Bitmap bm = null;
if(data != null) {
try {
bm = MediaStore.Images.Media.getBitmap(getApplicationContext().getContentResolver(), data.getData());
} catch(IOException e) {
e.printStackTrace();
}
}
SaveImageVideoData(String.valueOf(bm));
setAdapters();
}
public 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();
}
SaveImageVideoData(String.valueOf(destination));
setAdapters();
}
public void SaveImageVideoData(String data) {
try {
Realm realm = Realm.getDefaultInstance();
realm.beginTransaction();
CommonChat s = realm.createObject(CommonChat.class);
// obj.setExtensionTypeValue(stringMediaExtType);
s.setImageUrl(data);
realm.commitTransaction();
realm.close();
setAdapters();
Log.d("path", data);
Log.d("working realm", "yes....");
} catch(Exception ex) {
}
}
@Override
protected void onDestroy() {
super.onDestroy();
realm.removeChangeListener(realmChangeListener);
realm.close();
}
}
我的适配器类
public class CommonChattingAttachmentCustomAdapter
extends BaseAdapter {
Context c;
ArrayList<CommonChat> CommonChats;
public CommonChattingAttachmentCustomAdapter(Context c, ArrayList<CommonChat> CommonChats) {
this.c = c;
this.CommonChats = CommonChats;
}
@Override
public int getCount() {
return CommonChats.size();
}
@Override
public Object getItem(int position) {
return CommonChats.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if(convertView == null) {
convertView = LayoutInflater.from(c).inflate(R.layout.item_commonchat, parent, false);
}
TextView descTxt = (TextView) convertView.findViewById(R.id.textdesc);
ImageView img = (ImageView) convertView.findViewById(R.id.img);
final CommonChat s = (CommonChat) this.getItem(position);
if(descTxt != null) {
descTxt.setVisibility(View.VISIBLE);
img.setVisibility(View.GONE);
descTxt.setText(s.getDescription());
}
String imageUrl = s.getImageUrl();
if(imageUrl != null && imageUrl.length() > 0) {
img.setVisibility(View.VISIBLE);
descTxt.setVisibility(View.GONE);
Picasso.with(c).load(imageUrl).placeholder(R.mipmap.ic_launcher).into(img);
} else {
Picasso.with(c).load(R.mipmap.ic_launcher).into(img);
}
return convertView;
}
}
我的领域助手类：
public class CommonChatRealmHelper {
Realm realm;
RealmResults<CommonChat> CommonChats;
Boolean saved = null;
public CommonChatRealmHelper(Realm realm) {
this.realm = realm;
}
//WRITE
public Boolean save(final CommonChat CommonChat) {
if(CommonChat == null) {
saved = false;
} else {
realm.executeTransaction(new Realm.Transaction() {
@Override
public void execute(Realm realm) {
try {
CommonChat s = realm.copyToRealm(CommonChat);
saved = true;
} catch(RealmException e) {
e.printStackTrace();
saved = false;
}
}
});
}
return saved;
}
//READ
public void retrieveFromDB() {
CommonChats = realm.where(CommonChat.class).findAll();
}
// REFRESH
public ArrayList<CommonChat> justRefresh() {
ArrayList<CommonChat> latest = new ArrayList<>();
for(CommonChat s : CommonChats) {
latest.add(s);
Log.d("Testing", String.valueOf(s));
}
return latest;
}
}
Blockquote 10-06 10：46：40.735 24930-24930/com.xitiz.xitizmobile D/Testing： CommonChat = [{description：null}，{imageUrl：/storage/emulated/0/1507267000613.jpg}] 10-06 10：46：40.745 24930-24930/com.xitiz.xitizmobile D/path：/storage/emulated/0/1507267000613.jpg
**My Edited Code Snippet of URI**
public class CommonChattingAttachmentActivity
extends AppCompatActivity {
Realm realm;
RealmChangeListener realmChangeListener;
CommonChattingAttachmentCustomAdapter adapter;
ListView lv;
EditText descEditTxt;
boolean result = Utility.checkPermission(CommonChattingAttachmentActivity.this);
String userChoosenTask;
TextView descTxt;
ImageView imgallery, imgcam, img;
private static final int REQUEST_CAMERA = 1888;
private static final int SELECT_FILE = 1889;
ImageView imgattach;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_common_chatting_attachment);
lv = (ListView) findViewById(R.id.Listview_common);
//img=(ImageView)findViewById(R.id.img);
//descTxt= (TextView) findViewById(R.id.textdesc);
//INITIALIZE REALM
realm = Realm.getDefaultInstance();
setAdapter();
displayInputDialog();
imgcam = (ImageView) findViewById(R.id.imgcam);
imgallery = (ImageView) findViewById(R.id.imggallery);
imgattach = (ImageView) findViewById(R.id.imgattach);
imgallery.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
galleryIntent();
}
});
imgcam.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
cameraIntent();
}
});
imgattach.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
selectImage();
}
});
}
public void setAdapter() {
//lv= (ListView) findViewById(R.id.Listview_common);
final CommonChatRealmHelper helper = new CommonChatRealmHelper(realm);
helper.retrieveFromDB();
adapter = new CommonChattingAttachmentCustomAdapter(this, helper.justRefresh());
lv.setAdapter(adapter);
adapter.notifyDataSetChanged();
realmChangeListener = new RealmChangeListener() {
@Override
public void onChange() {
adapter = new CommonChattingAttachmentCustomAdapter(CommonChattingAttachmentActivity.this, helper.justRefresh());
lv.setAdapter(adapter);
adapter.notifyDataSetChanged();
}
};
realm.addChangeListener(realmChangeListener);
}
private void setAdapters() {
lv = (ListView) findViewById(R.id.Listview_common);
//INITIALIZE REALM
realm = Realm.getDefaultInstance();
final CommonChatRealmHelper helper = new CommonChatRealmHelper(realm);
helper.retrieveFromDB();
adapter = new CommonChattingAttachmentCustomAdapter(this, helper.justRefresh());
lv.setAdapter(adapter);
adapter.notifyDataSetChanged();
realmChangeListener = new RealmChangeListener() {
@Override
public void onChange() {
adapter = new CommonChattingAttachmentCustomAdapter(CommonChattingAttachmentActivity.this, helper.justRefresh());
lv.setAdapter(adapter);
adapter.notifyDataSetChanged();
}
};
realm.addChangeListener(realmChangeListener);
}
//DISPLAY INPUT DIALOG
public void displayInputDialog() {
//EDITTEXTS
descEditTxt = (EditText) findViewById(R.id.editwrite);
ImageView fab = (ImageView) findViewById(R.id.send);
//SAVE
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// descTxt.setVisibility(View.VISIBLE);
//img.setVisibility(View.GONE);
String desc = descEditTxt.getText().toString();
CommonChat s = new CommonChat();
s.setDescription(desc);
CommonChatRealmHelper helper = new CommonChatRealmHelper(realm);
if(helper.save(s)) {
descEditTxt.setText("");
} else {
Toast.makeText(CommonChattingAttachmentActivity.this, "Invalid Data", Toast.LENGTH_SHORT).show();
}
}
});
}
public void cameraIntent() {
Intent intent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
// Intent intent = new Intent(MediaStore.EXTRA_OUTPUT);
startActivityForResult(intent, REQUEST_CAMERA);
}
public void galleryIntent() {
Intent intent = new Intent();
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);//
startActivityForResult(Intent.createChooser(intent, "Select File"), SELECT_FILE);
}
public void selectImage() {
final CharSequence[] items = {"Take Photo", "Choose from Library", "Cancel"};
AlertDialog.Builder builder = new AlertDialog.Builder(CommonChattingAttachmentActivity.this);
builder.setTitle("Add Photo!");
builder.setItems(items, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int item) {
boolean result = Utility.checkPermission(CommonChattingAttachmentActivity.this);
if(items[item].equals("Take Photo")) {
userChoosenTask = "Take Photo";
if(result) {
cameraIntent();
}
} else if(items[item].equals("Choose from Library")) {
userChoosenTask = "Choose from Library";
if(result) {
galleryIntent();
}
} else if(items[item].equals("Cancel")) {
dialog.dismiss();
}
}
});
builder.show();
}
@Override
public void onRequestPermissionsResult(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("Take Photo")) {
cameraIntent();
} else if(userChoosenTask.equals("Choose from Library")) {
galleryIntent();
}
} else {
//code for deny
}
break;
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if(resultCode == Activity.RESULT_OK) {
if(requestCode == SELECT_FILE) {
onSelectFromGalleryResult(data);
} else if(requestCode == REQUEST_CAMERA) {
onCaptureImageResult(data);
}
}
}
@SuppressWarnings("deprecation")
public void onSelectFromGalleryResult(Intent data) {
Bitmap bm = null;
if(data != null) {
try {
bm = MediaStore.Images.Media.getBitmap(getApplicationContext().getContentResolver(), data.getData());
} catch(IOException e) {
e.printStackTrace();
}
}
Uri myUri = Uri.parse(String.valueOf(bm));
SaveImageVideoData(String.valueOf(myUri));
// setAdapters();
}
public 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();
}
// SaveImageVideoData(String.valueOf(destination));
// setAdapters();
Uri myUri = Uri.parse(String.valueOf(destination));
SaveImageVideoData(String.valueOf(myUri));
}
public void SaveImageVideoData(String data) {
try {
Realm realm = Realm.getDefaultInstance();
realm.beginTransaction();
CommonChat s = realm.createObject(CommonChat.class);
// obj.setExtensionTypeValue(stringMediaExtType);
s.setImageUrl(data);
realm.commitTransaction();
realm.close();
setAdapters();
Log.d("path", data);
Log.d("working realm", "yes....");
} catch(Exception ex) {
}
}
@Override
protected void onDestroy() {
super.onDestroy();
realm.removeChangeListener(realmChangeListener);
realm.close();
}
}
您需要首先将图像 url 转换为 Uri，然后像以前一样使用 Picasso 加载它。正如我在日志中看到的那样，您在加载方法参数中仅使用相同的 url 字符串。因此，请将图像网址（字符串）转换为Uri，然后尝试一下。希望这会起作用。请进行更新。
而不是这个代码
public class CommonChattingAttachmentActivity
extends AppCompatActivity {
Realm realm;
//RealmChangeListener realmChangeListener;
CommonChattingAttachmentCustomAdapter adapter;
ListView lv;
EditText descEditTxt;
boolean result = Utility.checkPermission(CommonChattingAttachmentActivity.this);
String userChoosenTask;
TextView descTxt;
ImageView imgallery, imgcam, img;
private static final int REQUEST_CAMERA = 1888;
private static final int SELECT_FILE = 1889;
ImageView imgattach;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_common_chatting_attachment);
lv = (ListView) findViewById(R.id.Listview_common);
//img=(ImageView)findViewById(R.id.img);
//descTxt= (TextView) findViewById(R.id.textdesc);
//INITIALIZE REALM
realm = Realm.getDefaultInstance();
setAdapter();
displayInputDialog();
imgcam = (ImageView) findViewById(R.id.imgcam);
imgallery = (ImageView) findViewById(R.id.imggallery);
imgattach = (ImageView) findViewById(R.id.imgattach);
imgallery.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
galleryIntent();
}
});
imgcam.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
cameraIntent();
}
});
imgattach.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
selectImage();
}
});
}
public void setAdapter() {
//lv= (ListView) findViewById(R.id.Listview_common);
//final CommonChatRealmHelper helper = new CommonChatRealmHelper(realm);
//helper.retrieveFromDB();
//adapter = new CommonChattingAttachmentCustomAdapter(this, helper.justRefresh());
lv.setAdapter(adapter);
//adapter.notifyDataSetChanged();
//realmChangeListener = new RealmChangeListener() {
// @Override
// public void onChange() {
// adapter = new CommonChattingAttachmentCustomAdapter(CommonChattingAttachmentActivity.this, helper.justRefresh());
// lv.setAdapter(adapter);
// adapter.notifyDataSetChanged();
// }
// };
// realm.addChangeListener(realmChangeListener);
}
private void setAdapters() {
lv = (ListView) findViewById(R.id.Listview_common);
//INITIALIZE REALM
// realm = Realm.getDefaultInstance();
//final CommonChatRealmHelper helper = new CommonChatRealmHelper(realm);
// helper.retrieveFromDB();
// adapter = new CommonChattingAttachmentCustomAdapter(this, helper.justRefresh());
lv.setAdapter(adapter);
// adapter.notifyDataSetChanged();
// realmChangeListener = new RealmChangeListener() {
// @Override
// public void onChange() {
// adapter = new CommonChattingAttachmentCustomAdapter(CommonChattingAttachmentActivity.this, helper.justRefresh());
// lv.setAdapter(adapter);
// adapter.notifyDataSetChanged();
// }
//};
//realm.addChangeListener(realmChangeListener);
}
//DISPLAY INPUT DIALOG
public void displayInputDialog() {
//EDITTEXTS
descEditTxt = (EditText) findViewById(R.id.editwrite);
ImageView fab = (ImageView) findViewById(R.id.send);
//SAVE
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// descTxt.setVisibility(View.VISIBLE);
//img.setVisibility(View.GONE);
String desc = descEditTxt.getText().toString();
CommonChat s = new CommonChat();
s.setDescription(desc);
CommonChatRealmHelper helper = new CommonChatRealmHelper(realm);
if(helper.save(s)) {
descEditTxt.setText("");
} else {
Toast.makeText(CommonChattingAttachmentActivity.this, "Invalid Data", Toast.LENGTH_SHORT).show();
}
}
});
}
public void cameraIntent() {
Intent intent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
// Intent intent = new Intent(MediaStore.EXTRA_OUTPUT);
startActivityForResult(intent, REQUEST_CAMERA);
}
public void galleryIntent() {
Intent intent = new Intent();
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);//
startActivityForResult(Intent.createChooser(intent, "Select File"), SELECT_FILE);
}
public void selectImage() {
final CharSequence[] items = {"Take Photo", "Choose from Library", "Cancel"};
AlertDialog.Builder builder = new AlertDialog.Builder(CommonChattingAttachmentActivity.this);
builder.setTitle("Add Photo!");
builder.setItems(items, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int item) {
boolean result = Utility.checkPermission(CommonChattingAttachmentActivity.this);
if(items[item].equals("Take Photo")) {
userChoosenTask = "Take Photo";
if(result) {
cameraIntent();
}
} else if(items[item].equals("Choose from Library")) {
userChoosenTask = "Choose from Library";
if(result) {
galleryIntent();
}
} else if(items[item].equals("Cancel")) {
dialog.dismiss();
}
}
});
builder.show();
}
@Override
public void onRequestPermissionsResult(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("Take Photo")) {
cameraIntent();
} else if(userChoosenTask.equals("Choose from Library")) {
galleryIntent();
}
} else {
//code for deny
}
break;
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if(resultCode == Activity.RESULT_OK) {
if(requestCode == SELECT_FILE) {
onSelectFromGalleryResult(data);
} else if(requestCode == REQUEST_CAMERA) {
onCaptureImageResult(data);
}
}
}
@SuppressWarnings("deprecation")
public void onSelectFromGalleryResult(Intent data) {
Bitmap bm = null;
if(data != null) {
try {
bm = MediaStore.Images.Media.getBitmap(getApplicationContext().getContentResolver(), data.getData());
} catch(IOException e) {
e.printStackTrace();
}
}
SaveImageVideoData(String.valueOf(bm));
setAdapters();
}
public 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();
}
SaveImageVideoData(String.valueOf(destination));
setAdapters();
}
public void SaveImageVideoData(String data) {
try {
Realm realm = Realm.getDefaultInstance();
realm.beginTransaction();
CommonChat s = realm.createObject(CommonChat.class);
// obj.setExtensionTypeValue(stringMediaExtType);
s.setImageUrl(data);
realm.commitTransaction();
realm.close();
setAdapters();
Log.d("path", data);
Log.d("working realm", "yes....");
} catch(Exception ex) {
}
}
@Override
protected void onDestroy() {
super.onDestroy();
realm.removeChangeListener(realmChangeListener);
realm.close();
}
}
和
public class CommonChattingAttachmentCustomAdapter
extends BaseAdapter {
Context c;
// ArrayList<CommonChat> CommonChats;
// @Override
// public int getCount() {
// return CommonChats.size();
// }
// @Override
// public Object getItem(int position) {
// return CommonChats.get(position);
// }
// @Override
// public long getItemId(int position) {
// return position;
// }
和
public class CommonChatRealmHelper {
Realm realm;
// RealmResults<CommonChat> CommonChats;
// Boolean saved = null;
public CommonChatRealmHelper(Realm realm) {
this.realm = realm;
}
// WRITE
public Boolean save(final CommonChat CommonChat) {
if(CommonChat == null) {
saved = false;
} else {
realm.executeTransaction(new Realm.Transaction() {
@Override
public void execute(Realm realm) {
try {
CommonChat s = realm.copyToRealm(CommonChat);
saved = true;
} catch(RealmException e) {
e.printStackTrace();
saved = false;
}
}
});
}
return saved;
}
// //READ
// public void retrieveFromDB() {
// CommonChats = realm.where(CommonChat.class).findAll();
// }
// // REFRESH
// public ArrayList<CommonChat> justRefresh() {
// ArrayList<CommonChat> latest = new ArrayList<>();
// for(CommonChat s : CommonChats) {
// latest.add(s);
// Log.d("Testing", String.valueOf(s));
// }
// return latest;
// }
}
你应该做：
public class CommonChattingAttachmentCustomAdapter
extends RealmBaseAdapter { // from https://github.com/realm/realm-android-adapters
public CommonChattingAttachmentCustomAdapter(OrderedRealmCollection<ChatCommon> results) {
super(results);
}
和
public void setAdapter() {
//lv= (ListView) findViewById(R.id.Listview_common);
//final CommonChatRealmHelper helper = new CommonChatRealmHelper(realm);
//helper.retrieveFromDB();
adapter = new CommonChattingAttachmentCustomAdapter(realm.where(CommonChat.class).findAll());
//adapter = new CommonChattingAttachmentCustomAdapter(this, helper.justRefresh());
lv.setAdapter(adapter);
查看哪些代码被注释掉了，通常应该完全删除