Android Adapter 里面写 RadioGroup、RadioButton、CheckBox 状态错乱问题的 2 种解决方案

版权声明:本文为【路易斯】原创文章,转载请注明出处! https://blog.csdn.net/RichieZhu/article/details/79704762

前言:
RadioButton 的 选择状态一律由 radioGroup.check() 去处理,清除选择 用 rg.clearCheck() 处理,setChecked 会导致属性改变,但 UI 上未改变、不能再次选中等一系列问题

方式一:

     //  RadioGroup +  RadioButton
        myViewHolder.rg.clearCheck();
        if ("1".equals(myBean.selectedRb)) {
            myViewHolder.rg.check(R.id.id_rb);
        } else if ("2".equals(myBean.selectedRb)) {
            myViewHolder.rg.check(R.id.id_rb2);
        }
        myViewHolder.rg.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(RadioGroup group, int checkedId) {
                View checkedView = group.findViewById(checkedId);
                if (checkedView == null || !checkedView.isPressed()) {
                //不响应非点击引起的改变
                    return;
                }
                Log.d(TAG, "onCheckedChanged: checkedId:" + checkedId);

                myBean.selectedRb = null;
                myBean.title = "new_未选_" + position;
                if (R.id.id_rb == checkedId) {
                    myBean.selectedRb = "1";
                    myBean.title = "new_111111_" + position;
                } else if (R.id.id_rb2 == checkedId) {
                    myBean.selectedRb = "2";
                    myBean.title = "new_222222_" + position;
                }
            }
        });
        //  RadioGroup +  RadioButton

    //  CheckBox
        myViewHolder.cb.setChecked(myBean.isChecked);
        myViewHolder.cb.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                if (buttonView == null || !buttonView.isPressed()) {
                   //不响应非点击引起的改变
                    return;
                }
                Log.d(TAG, "onCheckedChanged: buttonView:" + buttonView);
                myBean.isChecked = isChecked;
            }
        });
        //  CheckBox

方式二:

    //  RadioGroup +  RadioButton
    //  移除 setOnCheckedChangeListener
        myViewHolder.rg.setOnCheckedChangeListener(null);
        myViewHolder.rg.clearCheck();
        if ("1".equals(myBean.selectedRb)) {
            myViewHolder.rg.check(R.id.id_rb);
        } else if ("2".equals(myBean.selectedRb)) {
            myViewHolder.rg.check(R.id.id_rb2);
        }
        myViewHolder.rg.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(RadioGroup group, int checkedId) {
                Log.d(TAG, "onCheckedChanged: checkedId:" + checkedId);

                myBean.selectedRb = null;
                myBean.title = "new_未选_" + position;
                if (R.id.id_rb == checkedId) {
                    myBean.selectedRb = "1";
                    myBean.title = "new_111111_" + position;
                } else if (R.id.id_rb2 == checkedId) {
                    myBean.selectedRb = "2";
                    myBean.title = "new_222222_" + position;
                }
            }
        });
        //  RadioGroup +  RadioButton


        //  CheckBox
            //  移除 setOnCheckedChangeListener
        myViewHolder.cb.setOnCheckedChangeListener(null);
        myViewHolder.cb.setChecked(myBean.isChecked);
        myViewHolder.cb.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                Log.d(TAG, "onCheckedChanged: buttonView:" + buttonView);
                myBean.isChecked = isChecked;
            }
        });
        //  CheckBox

猜你喜欢

转载自blog.csdn.net/RichieZhu/article/details/79704762