在動態創建的卡片視圖上，如果按下特定於卡片的刪除按鈕，如何刪除單個卡片？

Question

每次按下按鈕時都會調用此函數，並添加一張具有分配給該卡的名稱的新卡。 按下卡片的“x”圖標時，如何移除特定卡片？

// 在按鈕按下時創建單張卡片的函數

public void cardview1()
{
    text2 = v1.findViewById(R.id.dev_name);
    dev_id1 = v1.findViewById(R.id.dev_id);

    cardview2 = new CardView(getApplicationContext());
    cardview2.setFocusable(false);
    cardview2.setClickable(false);

    layoutparams1 = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT);
    layoutparams1.setMargins(19, 83, 19, 0);

    lay1 = new LinearLayout(this);
    lay1.setOrientation(LinearLayout.VERTICAL);

    layoutparams2 = new ConstraintLayout.LayoutParams(ConstraintLayout.LayoutParams.MATCH_PARENT, 115);
    lay2 = new LinearLayout(this);
    lay2.setLayoutParams(layoutparams2);
    lay2.setOrientation(LinearLayout.HORIZONTAL);

    layoutparams3 = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.MATCH_PARENT);
    lay6 = new LinearLayout(this);
    lay6.setWeightSum(12);
    lay6.setLayoutParams(layoutparams3);
    lay6.setPadding(10,40,0,0);
    lay6.setOrientation(LinearLayout.HORIZONTAL);

    cardview2.setLayoutParams(layoutparams1);
    cardview2.setCardBackgroundColor(Color.parseColor("#2fffffff"));
    cardview2.setMinimumHeight(330);
    cardview2.addView(lay1);

    dev_text1 = new TextView(getApplicationContext());
    dev_text1.setText(dev_name1.getText().toString().trim()+"  ");
    dev_text1.setPadding(20, 15,0,0);
    dev_text1.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 26);
    dev_text1.setTypeface(null, Typeface.BOLD);
    dev_text1.setTextColor(Color.GRAY);

    sw0 = new Button(getApplicationContext());
    sw0.setText("  X");
    sw0.setTextSize(20);
    sw0.setTypeface(null, Typeface.BOLD);
    sw0.setBackgroundResource(0);
    sw0.setTextColor(Color.GRAY);
    sw0.setPadding(0,0,0,5);
    sw0.setLayoutParams(new LinearLayout.LayoutParams(70, 70));

    lay1.addView(lay2);
    lay1.addView(lay6);
    lay2.addView(dev_text1);
    lay2.addView(sw0);
    ahomeLayout.removeView(atv);
    ahomeLayout.addView(cardview2);

    saveInPref();
}

Answer 1

您需要在某處存儲 Id 或 Cardviwes 本身，然后為刪除按鈕提供 ID，因此當它被點擊時，它將為您提供被點擊卡的 ID，然后您可以刪除該卡。