Nav
02/07/2023, 8:43 AM<Button
android:id="@+id/profileButton"
android:layout_width="28dp"
android:layout_height="28dp"
android:layout_marginStart="200dp"
android:layout_marginTop="7dp"
android:background="@drawable/round_corners_avatar"
android:text="AL"
android:textColor="#FFFFFF"
android:onClick="profileBtnClicked"
android:textSize="16sp" />
I would like to change the android:layout_marginStart
parameter based on the information i receive from resources.displayMetrics.density
However I do not know how to access marginStart parameter programatically.
Any clues would be much appreciated.Android Mahi
02/07/2023, 8:59 AMNav
02/07/2023, 9:02 AMval btn = FindViewById(R.id.profilebtn)
btn.setMarginStart() ???
Android Mahi
02/07/2023, 9:05 AMLayoutParams params = new LayoutParams(
LayoutParams.WRAP_CONTENT,
LayoutParams.WRAP_CONTENT
);
params.setMargins(left, top, right, bottom);
Android Mahi
02/07/2023, 9:05 AMbutton.setLayoutParams(params);
Nav
02/07/2023, 9:13 AMAndroid Mahi
02/07/2023, 9:14 AMAndroid Mahi
02/07/2023, 9:14 AMNav
02/07/2023, 9:16 AMUnresolved reference : top
errorAndroid Mahi
02/07/2023, 9:17 AMNav
02/07/2023, 9:20 AMNav
02/07/2023, 9:20 AMNav
02/07/2023, 9:21 AMimport android.R.attr.left
import android.R.attr.right
import <http://android.R.attr.top|android.R.attr.top>
import android.R.attr.bottom
Android Mahi
02/07/2023, 9:21 AMNav
02/07/2023, 9:23 AMAndroid Mahi
02/07/2023, 9:23 AMNav
02/07/2023, 9:23 AMmarginStart = 358dp
to marginStart = 340dp
i change left = 340
Nav
02/07/2023, 9:24 AMNav
02/07/2023, 9:28 AMjava.lang.ClassCastException: androidx.constraintlayout.widget.ConstraintLayout$LayoutParams cannot be cast to android.widget.FrameLayout$LayoutParams
Nav
02/07/2023, 9:29 AMFrameLayout.LayoutParams
would make it work?Android Mahi
02/07/2023, 9:30 AMNav
02/07/2023, 9:31 AMFrameLayout.LayoutParams
fixed it.
Thank you.Nav
02/07/2023, 9:36 AMleft
parameter and keep the rest of it the same then those would default to whatever the initial XML file defined them as right? So for example android:layout_marginTop="7dp"
means that top ill default to 7dp
?