Android-具有字符串值的自定义状态

我按照上的教程为状态列表实现自定义状态。它适用于布尔属性，但不适用于字符串属性

这是我的源代码：

• 国家清单：

• 属性：

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实际上，您缺少一些陈述，请在下面找到解决方案

public class CategoryIconView extends ImageView {

        // this is used when we want to merge our state with the ones from the system
        private static final int[] CATEGORY_ID_STATE_SET = {R.attr.category_id};

        String categoryID;

        public CategoryIconView(Context context) {
            super(context);
        }

        public CategoryIconView(Context context, AttributeSet attrs) {
            super(context, attrs);
// R.styleable.CustomStates is the id of the custom state and CustomStates it's the name of your styleable
        // from attributes.xml
        TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.CategoryIconView, 0, 0);

        // R.styleable.CustomStates_has_new_data is an ID that is created automatically when you create your
        // custom state list in attributes.xml
        categoryID = typedArray.getString(R.styleable.CategoryIconView_category_id);
        }

        public CategoryIconView(Context context, AttributeSet attrs, int defStyle) {
            super(context, attrs, defStyle);
            // R.styleable.CustomStates is the id of the custom state and CustomStates it's the name of your styleable
            // from attributes.xml
            TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.CategoryIconView, 0, 0);

            // R.styleable.CustomStates_has_new_data is an ID that is created automatically when you create your
            // custom state list in attributes.xml
            categoryID = typedArray.getString(R.styleable.CategoryIconView_category_id);
        }

        @Override
        public int[] onCreateDrawableState(int extraSpace) {
            Log.d(getClass().getSimpleName(), "category ID " + categoryID);
            final int[] drawableState = super.onCreateDrawableState(extraSpace + 1);
            if (categoryID != null) {
                mergeDrawableStates(drawableState, CATEGORY_ID_STATE_SET);
            }
            return drawableState;
        }

        // this method will be used when you will need to set your image button state in the code
        public void setCategoryID(String categoryId) {
            this.categoryID = "Three";
            refreshDrawableState();
        }
    }

---

实际上，您缺少一些陈述，请在下面找到解决方案

public class CategoryIconView extends ImageView {

        // this is used when we want to merge our state with the ones from the system
        private static final int[] CATEGORY_ID_STATE_SET = {R.attr.category_id};

        String categoryID;

        public CategoryIconView(Context context) {
            super(context);
        }

        public CategoryIconView(Context context, AttributeSet attrs) {
            super(context, attrs);
// R.styleable.CustomStates is the id of the custom state and CustomStates it's the name of your styleable
        // from attributes.xml
        TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.CategoryIconView, 0, 0);

        // R.styleable.CustomStates_has_new_data is an ID that is created automatically when you create your
        // custom state list in attributes.xml
        categoryID = typedArray.getString(R.styleable.CategoryIconView_category_id);
        }

        public CategoryIconView(Context context, AttributeSet attrs, int defStyle) {
            super(context, attrs, defStyle);
            // R.styleable.CustomStates is the id of the custom state and CustomStates it's the name of your styleable
            // from attributes.xml
            TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.CategoryIconView, 0, 0);

            // R.styleable.CustomStates_has_new_data is an ID that is created automatically when you create your
            // custom state list in attributes.xml
            categoryID = typedArray.getString(R.styleable.CategoryIconView_category_id);
        }

        @Override
        public int[] onCreateDrawableState(int extraSpace) {
            Log.d(getClass().getSimpleName(), "category ID " + categoryID);
            final int[] drawableState = super.onCreateDrawableState(extraSpace + 1);
            if (categoryID != null) {
                mergeDrawableStates(drawableState, CATEGORY_ID_STATE_SET);
            }
            return drawableState;
        }

        // this method will be used when you will need to set your image button state in the code
        public void setCategoryID(String categoryId) {
            this.categoryID = "Three";
            refreshDrawableState();
        }
    }

---

你能把代码格式化吗？对不起。我不知道为什么我不能用SO编辑器格式化代码。我在使用firefox。你好，我已经给出了一些答案，你能检查一下吗？检查后让我知道。你是否尝试了该解决方案？它是否工作？你能正确格式化代码吗？对不起。我不知道为什么我不能用SO编辑器格式化代码。我在使用firefox。你好，我已经给出了一些答案，你能检查一下吗？检查后让我知道。你是否尝试过该解决方案？它是否有效？

public class CategoryIconView extends ImageView {

        // this is used when we want to merge our state with the ones from the system
        private static final int[] CATEGORY_ID_STATE_SET = {R.attr.category_id};

        String categoryID;

        public CategoryIconView(Context context) {
            super(context);
        }

        public CategoryIconView(Context context, AttributeSet attrs) {
            super(context, attrs);
// R.styleable.CustomStates is the id of the custom state and CustomStates it's the name of your styleable
        // from attributes.xml
        TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.CategoryIconView, 0, 0);

        // R.styleable.CustomStates_has_new_data is an ID that is created automatically when you create your
        // custom state list in attributes.xml
        categoryID = typedArray.getString(R.styleable.CategoryIconView_category_id);
        }

        public CategoryIconView(Context context, AttributeSet attrs, int defStyle) {
            super(context, attrs, defStyle);
            // R.styleable.CustomStates is the id of the custom state and CustomStates it's the name of your styleable
            // from attributes.xml
            TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.CategoryIconView, 0, 0);

            // R.styleable.CustomStates_has_new_data is an ID that is created automatically when you create your
            // custom state list in attributes.xml
            categoryID = typedArray.getString(R.styleable.CategoryIconView_category_id);
        }

        @Override
        public int[] onCreateDrawableState(int extraSpace) {
            Log.d(getClass().getSimpleName(), "category ID " + categoryID);
            final int[] drawableState = super.onCreateDrawableState(extraSpace + 1);
            if (categoryID != null) {
                mergeDrawableStates(drawableState, CATEGORY_ID_STATE_SET);
            }
            return drawableState;
        }

        // this method will be used when you will need to set your image button state in the code
        public void setCategoryID(String categoryId) {
            this.categoryID = "Three";
            refreshDrawableState();
        }
    }