我正在开发一个android应用并使用firebase数据库。它包含授权和针对不同角色的少量活动。如果您输入的是“安装程序”,则打开一个活动,如果输入的是“ Contact-Centre”,则打开另一个活动,但现在并不重要。因此,我需要检查输入的电子邮件和密码对的作用。那我该怎么办?
这是我的数据库结构:
登录代码:
mAuth.signInWithEmailAndPassword(email,pass).addOnCompleteListener(new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
if(task.isSuccessful()){
Toast.makeText(MainActivity.this,"Аутентификация прошла успешно",Toast.LENGTH_SHORT).show();
startActivity(new Intent(getApplicationContext(),RoleInstallerForm.class));
}
else {
Toast.makeText(MainActivity.this,"Проверьте правильность введённых данных", Toast.LENGTH_SHORT).show();
ProgressBar.setVisibility(View.GONE);
}
}
});
将您的代码修改为此:
mAuth.signInWithEmailAndPassword(email,pass).addOnCompleteListener(new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
if(task.isSuccessful()){
Toast.makeText(MainActivity.this,"Àóòåíòèôèêàöèÿ ïðîøëà óñïåøíî",Toast.LENGTH_SHORT).show();
try {
currentUserUID = FirebaseAuth.getInstance().getCurrentUser().getUid();
}catch (Throwable throwable){
throwable.printStackTrace();
}
roleRef = FirebaseDatabase.getInstance().getReference().child("Users").child(currentUserUID).child("Role");
roleRef.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
try {
String userRole = dataSnapshot.getValue().toString();
//Add if-else here if you need any
//For example:
//I DONT UNDERSTAND RUSSIAN ROLE YOU TYPE
// JUST REPLACE THE ROLE NAMES
if(userRole.equals(leader)){
startActivity(new Intent(MainActivity.this, some-activity.class));
}else{
startActivity(new Intent(MainActivity.this, other-activity.class));
}
}catch (Throwable e){
Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_SHORT).show();
}
}
@Override
public void onCancelled(@NonNull DatabaseError databaseError) {
Toast.makeText(getApplicationContext(), databaseError.toString(), Toast.LENGTH_SHORT).show();
}
});
}
else {
Toast.makeText(MainActivity.this,"Ïðîâåðüòå ïðàâèëüíîñòü ââåä¸ííûõ äàííûõ", Toast.LENGTH_SHORT).show();
ProgressBar.setVisibility(View.GONE);
}
}
});