Update

app/src/main/java/com/hippo/widget/DrawerFrameLayout.java

@@ -15,11 +15,9 @@
 
 package com.hippo.widget;
 
-import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.graphics.Rect;
-import android.os.Build;
 import android.support.annotation.NonNull;
 import android.util.AttributeSet;
 import android.widget.FrameLayout;
@@ -39,27 +37,20 @@ public class DrawerFrameLayout extends FrameLayout {
 
     public DrawerFrameLayout(Context context, AttributeSet attrs) {
         super(context, attrs);
-        init(context, attrs, 0, 0);
+        init(context, attrs);
     }
 
     public DrawerFrameLayout(Context context, AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
-        init(context, attrs, defStyleAttr, 0);
+        init(context, attrs);
     }
 
-    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
-    public DrawerFrameLayout(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
-        super(context, attrs, defStyleAttr, defStyleRes);
-        init(context, attrs, defStyleAttr, defStyleRes);
-    }
-
-    private void init(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
-        final TypedArray a = context.obtainStyledAttributes(attrs, MAX_ATTRS, defStyleAttr, defStyleRes);
+    private void init(Context context, AttributeSet attrs) {
+        final TypedArray a = context.obtainStyledAttributes(attrs, MAX_ATTRS);
         mMaxWidth = a.getDimensionPixelSize(0, -1);
         a.recycle();
     }
 
-
     @Override
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
         int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec);