Notes

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import android.app.ProgressDialog;
import android.content.ContentProvider;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.storage.StorageManager;
import android.view.View;
import android.webkit.MimeTypeMap;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import com.google.android.gms.tasks.Continuation;
import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.OnFailureListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.storage.FirebaseStorage;
import com.google.firebase.storage.StorageReference;
import com.google.firebase.storage.StorageTask;
import com.theartofdev.edmodo.cropper.CropImage;
import java.util.HashMap;
public class Main4Activity extends AppCompatActivity {
Uri resim_uri;
String benimUri="";
StorageTask yukleme_gorevi;
StorageReference resimyukle_yol;
ImageView image_eklendi;
TextView gonder;
EditText edt_gonderi_hakkinda;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main4);
image_eklendi =findViewById(R.id.eklenen_resim_gonderi);
edt_gonderi_hakkinda =findViewById(R.id.edt_gonderi_hakkinda);
gonder =findViewById(R.id.gonder);
resimyukle_yol= FirebaseStorage.getInstance().getReference("gonderiler");
gonder.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
resimYukle();
}
});
CropImage.activity()
.setAspectRatio(1,1)
.start(Main4Activity.this);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if(requestCode==CropImage.CROP_IMAGE_ACTIVITY_REQUEST_CODE&&resultCode==RESULT_OK)
{
CropImage.ActivityResult result=CropImage.getActivityResult(data);
resim_uri=result.getUri();
image_eklendi.setImageURI(resim_uri);
}
else
{
Toast.makeText(this, "resim seçilemedi", Toast.LENGTH_SHORT).show();
}

}
private String dosyaUzantisiAl(Uri uri)
{
ContentResolver contentResolver = getContentResolver();
MimeTypeMap mime = MimeTypeMap.getSingleton();
return mime.getExtensionFromMimeType(contentResolver.getType(uri));
}
private void resimYukle()
{//resim yükleme kodları
final ProgressDialog progressDialog=new ProgressDialog(this);
progressDialog.setMessage("Gönderiliyor");
progressDialog.show();
if(resim_uri!=null)
{
final StorageReference dosyayolu=resimyukle_yol.child(System.currentTimeMillis()+"."+dosyaUzantisiAl(resim_uri));
yukleme_gorevi=dosyayolu.putFile(resim_uri);
yukleme_gorevi.continueWithTask(new Continuation() {
@Override
public Object then(@NonNull Task task) throws Exception {
if(!task.isSuccessful())
{
throw task.getException();//hata mesajı
}
return dosyayolu.getDownloadUrl();
}
}).addOnCompleteListener(new OnCompleteListener<Uri>() {
@Override
public void onComplete(@NonNull Task<Uri> task) {
if(task.isSuccessful())
{
Uri indirmeUrisi=task.getResult();
benimUri =indirmeUrisi.toString();
DatabaseReference veriyolu=FirebaseDatabase.getInstance().getReference("Gonderiler");
String gonderiId=veriyolu.push().getKey();
HashMap<String,Object> hashMap=new HashMap<>();//çoklu gönderi için
hashMap.put("gonderiId",gonderiId);
hashMap.put("gonderiResmi",benimUri);
hashMap.put("gonderiHakkinda",edt_gonderi_hakkinda.getText().toString());
hashMap.put("gonderen", FirebaseAuth.getInstance().getCurrentUser().getUid());
veriyolu.child(gonderiId).setValue(hashMap);
progressDialog.dismiss();
startActivity(new Intent(Main4Activity.this,Main3Activity.class));
finish();
}
else
{
Toast.makeText(Main4Activity.this, "gönderme başarısız", Toast.LENGTH_SHORT).show();
}
}
}).addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception e) {
Toast.makeText(Main4Activity.this, ""+e.getMessage(), Toast.LENGTH_SHORT).show();
}
});
}
else
{
Toast.makeText(this, "Seçilen resim yok", Toast.LENGTH_SHORT).show();
}
}
}