在android中设置单选按钮位置

<RadioGroup
    android:id="@+id/radioGroup"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical">

    <RadioButton
        android:id="@+id/radioButton1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Option 1"
        android:layout_gravity="start" />

    <RadioButton
        android:id="@+id/radioButton2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Option 2"
        android:layout_gravity="center" />

    <RadioButton
        android:id="@+id/radioButton3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Option 3"
        android:layout_gravity="end" />

</RadioGroup>

RadioGroup radioGroup = findViewById(R.id.radioGroup);

RadioButton radioButton1 = new RadioButton(this);
radioButton1.setText("Option 1");
RadioGroup.LayoutParams layoutParams1 = new RadioGroup.LayoutParams(
        RadioGroup.LayoutParams.WRAP_CONTENT,
        RadioGroup.LayoutParams.WRAP_CONTENT
);
layoutParams1.gravity = Gravity.START;
radioButton1.setLayoutParams(layoutParams1);
radioGroup.addView(radioButton1);

RadioButton radioButton2 = new RadioButton(this);
radioButton2.setText("Option 2");
RadioGroup.LayoutParams layoutParams2 = new RadioGroup.LayoutParams(
        RadioGroup.LayoutParams.WRAP_CONTENT,
        RadioGroup.LayoutParams.WRAP_CONTENT
);
layoutParams2.gravity = Gravity.CENTER;
radioButton2.setLayoutParams(layoutParams2);
radioGroup.addView(radioButton2);

RadioButton radioButton3 = new RadioButton(this);
radioButton3.setText("Option 3");
RadioGroup.LayoutParams layoutParams3 = new RadioGroup.LayoutParams(
        RadioGroup.LayoutParams.WRAP_CONTENT,
        RadioGroup.LayoutParams.WRAP_CONTENT
);
layoutParams3.gravity = Gravity.END;
radioButton3.setLayoutParams(layoutParams3);
radioGroup.addView(radioButton3);