add FrameLayout implement for XRadioGroup

xradiogroup-lib/src/main/java/com/jiakaiyang/xradiogroup/lib/groups/XFrameRadioGroup.java

@@ -0,0 +1,117 @@
+package com.jiakaiyang.xradiogroup.lib.groups;
+
+import android.content.Context;
+import android.support.annotation.AttrRes;
+import android.support.annotation.IdRes;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.FrameLayout;
+
+import com.jiakaiyang.xradiogroup.lib.XRadioGroup;
+import com.jiakaiyang.xradiogroup.lib.XRadioItem;
+
+import java.util.List;
+
+/**
+ * Created by jia on 2017/9/26.
+ * The XRadioGroup extends FrameLayout
+ */
+
+public class XFrameRadioGroup extends FrameLayout implements XRadioGroup {
+    private static final String TAG = "XFrameRadioGroup";
+
+    private XRadioGroupImpl xRadioGroup;
+
+
+    public XFrameRadioGroup(@NonNull Context context) {
+        this(context, null, 0);
+    }
+
+    public XFrameRadioGroup(@NonNull Context context, @Nullable AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public XFrameRadioGroup(@NonNull Context context, @Nullable AttributeSet attrs, @AttrRes int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        init();
+    }
+
+    private void init() {
+
+    }
+
+    @Override
+    public void addView(View child, int index, ViewGroup.LayoutParams params) {
+        if (child instanceof XRadioItem) {
+            // TODO: 2017/9/5 add child to the XRadioGroup
+        }
+        super.addView(child, index, params);
+    }
+
+    @Override
+    public CharSequence getAccessibilityClassName() {
+        return XLinearRadioGroup.class.getName();
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+        onViewFinishInflate();
+    }
+
+    /* public methods */
+
+    /**
+     * Just like RadioGroup.check(int checkId)
+     *
+     * @param checkId
+     */
+    public void check(int checkId) {
+        xRadioGroup.check(checkId);
+    }
+
+    /**
+     * @see #check(int)
+     * @see #clearCheck()
+     */
+    @IdRes
+    public int getCheckedRadioButtonId() {
+        return xRadioGroup.getCheckedRadioButtonId();
+    }
+
+
+    /**
+     * Just like RadioGroup.clearCheck();
+     * <p>
+     * this method will not change the fixed items' state.
+     *
+     * @see #check(int)
+     * @see #getCheckedRadioButtonId()
+     */
+    public void clearCheck() {
+        xRadioGroup.clearCheck();
+    }
+
+    public void setOnCheckedChangeListener(XRadioGroup.OnCheckedChangeListener mOnCheckedChangeListener) {
+        xRadioGroup.setOnCheckedChangeListener(mOnCheckedChangeListener);
+    }
+
+    @Override
+    public void onViewFinishInflate() {
+        xRadioGroup.onViewFinishInflate();
+    }
+
+    /**
+     * get current fixed items' id.
+     *
+     * @return the fixed items' id, if there is no fixed item, this will be null
+     */
+    public
+    @Nullable
+    List<Integer> getFixedItemsId() {
+        return xRadioGroup.getFixedItemsId();
+    }
+}