ExPagerBottomTabLayout.java

package ml.puredark.hviewer.ui.customs;

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.util.TypedValue;

import me.majiajie.pagerbottomtabstrip.Controller;
import me.majiajie.pagerbottomtabstrip.PagerBottomTabLayout;
import me.majiajie.pagerbottomtabstrip.TabItemBuilder;
import me.majiajie.pagerbottomtabstrip.TabStripBuild;
import ml.puredark.hviewer.R;

/**
 * Created by PureDark on 2016/10/12.
 */

public class ExPagerBottomTabLayout extends PagerBottomTabLayout {
    private TypedArray typedArray;

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

    public ExPagerBottomTabLayout(Context context, AttributeSet attrs) {
        super(context, attrs);
        if (isInEditMode()) {
            typedArray = context.obtainStyledAttributes(attrs, R.styleable.ExPagerBottomTabLayout);
            preview(context, typedArray);
        }
    }

    public ExPagerBottomTabLayout(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        if (isInEditMode()) {
            typedArray = context.obtainStyledAttributes(attrs, R.styleable.ExPagerBottomTabLayout);
            preview(context, typedArray);
        }
    }

    public void preview(Context context, TypedArray a) {
        final String tabStrArr = a.getString(R.styleable.ExPagerBottomTabLayout_bottomTabTitleArray);
        final String[] tabRealStrArr = getTabRealStrArr(tabStrArr);
        TypedValue typedValue = new TypedValue();
        TypedArray colorType = context.obtainStyledAttributes(typedValue.data, new int[]{R.attr.colorPrimaryDark});
        int color = colorType.getColor(0, 0);
        a.recycle();
        TabStripBuild builder = this.builder();
        for (int i = 0; i < tabRealStrArr.length; i++) {
            String tabTitle = tabRealStrArr[i];
            Drawable icon = null;
            switch (i) {
                case 0:
                    icon = a.getDrawable(R.styleable.ExPagerBottomTabLayout_bottomTab1);
                    break;
                case 1:
                    icon = a.getDrawable(R.styleable.ExPagerBottomTabLayout_bottomTab2);
                    break;
                case 2:
                    icon = a.getDrawable(R.styleable.ExPagerBottomTabLayout_bottomTab3);
                    break;
                case 3:
                    icon = a.getDrawable(R.styleable.ExPagerBottomTabLayout_bottomTab4);
                    break;
                case 4:
                    icon = a.getDrawable(R.styleable.ExPagerBottomTabLayout_bottomTab5);
                    break;
            }
            TabItemBuilder tabItemBuilder = new TabItemBuilder(context).create()
                    .setDefaultColor(0xFF696969)
                    .setSelectedColor(color)
                    .setDefaultIcon(icon)
                    .setText(tabTitle)
                    .build();
            builder.addTabItem(tabItemBuilder);
        }
        Controller controller = builder.build();
        int currItem = a.getInt(R.styleable.ExPagerBottomTabLayout_bottomCurrItem, 0);
        controller.setSelect(currItem);
    }

    private String[] getTabRealStrArr(String tabStrArr) {
        if (tabStrArr != null && !tabStrArr.equals(""))
            return tabStrArr.split(",");
        else
            return new String[0];
    }

}