public class SpalshScreen extends AppCompatActivity {
FirebaseUser currentUser;
private FirebaseAuth mAuth;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_spalsh_screen);
mAuth = FirebaseAuth.getInstance();
if (mAuth != null) {
currentUser = mAuth.getCurrentUser();
}
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
FirebaseUser user = mAuth.getCurrentUser();
if (user == null) {
Intent intent = new Intent(SpalshScreen.this, LoginActivity.class);
startActivity(intent);
finish();
} else {
Intent mainIntent = new Intent(SpalshScreen.this, DashboardActivity.class);
mainIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
startActivity(mainIntent);
finish();
}
}
}, 1000);
}
}
尝试使用以下代码。仅弃用无参数构造函数，现在通过Loopo. getMainLooper（）方法在构造函数中指定Looper。
new Handler(Looper.getMainLooper()).postDelayed(new Runnable() {
@Override
public void run() {
}
}, 1000);
