Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import android.content.Context;

import android.content.res.Resources;
import android.content.res.TypedArray;

import android.util.SparseArray;
import android.util.TypedValue;

public class Main {
    private static final SparseArray<int[]> ATTRIBUTE_ARRAY_CACHE = new SparseArray<>(10);

    /**
     * Last but not least, try to pull the Font Path from the Theme, which is defined.
     *
     * @param context     Activity Context
     * @param styleAttrId Theme style id
     * @param attributeId if -1 returns null.
     * @return null if no theme or attribute defined.
     */
    static String pullFontPathFromTheme(Context context, int styleAttrId, int attributeId) {
        if (styleAttrId == -1 || attributeId == -1)
            return null;

        final Resources.Theme theme = context.getTheme();
        final TypedValue value = new TypedValue();

        theme.resolveAttribute(styleAttrId, value, true);
        final TypedArray typedArray = theme.obtainStyledAttributes(value.resourceId,
                getAttributeArray(attributeId));
        try {
            String font = typedArray.getString(0);
            return font;
        } catch (Exception ignore) {
            // Failed for some reason.
            return null;
        } finally {
            typedArray.recycle();
        }
    }

    /**
     * Last but not least, try to pull the Font Path from the Theme, which is defined.
     *
     * @param context        Activity Context
     * @param styleAttrId    Theme style id
     * @param subStyleAttrId the sub style from the theme to look up after the first style
     * @param attributeId    if -1 returns null.
     * @return null if no theme or attribute defined.
     */
    static String pullFontPathFromTheme(Context context, int styleAttrId, int subStyleAttrId, int attributeId) {
        if (styleAttrId == -1 || attributeId == -1)
            return null;

        final Resources.Theme theme = context.getTheme();
        final TypedValue value = new TypedValue();

        theme.resolveAttribute(styleAttrId, value, true);
        int subStyleResId = -1;
        final TypedArray parentTypedArray = theme.obtainStyledAttributes(value.resourceId,
                getAttributeArray(subStyleAttrId));
        try {
            subStyleResId = parentTypedArray.getResourceId(0, -1);
        } catch (Exception ignore) {
            // Failed for some reason.
            return null;
        } finally {
            parentTypedArray.recycle();
        }

        if (subStyleResId == -1)
            return null;
        final TypedArray subTypedArray = context.obtainStyledAttributes(subStyleResId,
                getAttributeArray(attributeId));
        if (subTypedArray != null) {
            try {
                return subTypedArray.getString(0);
            } catch (Exception ignore) {
                // Failed for some reason.
                return null;
            } finally {
                subTypedArray.recycle();
            }
        }
        return null;
    }

    private static int[] getAttributeArray(int attributeId) {
        int[] array = ATTRIBUTE_ARRAY_CACHE.get(attributeId);

        if (array == null) {
            array = new int[] { attributeId };
            ATTRIBUTE_ARRAY_CACHE.put(attributeId, array);
        }

        return array;
    }
}