feat(layer-dialog): DialogLayer支持全屏模式

DialogLayer支持全屏模式，可以通过setFitInsets方法打开。

Closes #13

Author: goweii

layer-dialog-ktx/src/main/java/per/goweii/layer/dialog/ktx/DialogLayer.kt

@@ -36,6 +36,10 @@ fun <T : DialogLayer> T.avoidStatusBar(enable: Boolean) = this.apply {
     this.setAvoidStatusBar(enable)
 }
 
+fun <T : DialogLayer> T.fitInsets(fitInsets: Boolean) = this.apply {
+    this.setFitInsets(fitInsets)
+}
+
 fun <T : DialogLayer> T.gravity(gravity: Int) = this.apply {
     this.setGravity(gravity)
 }

layer-dialog/src/main/java/per/goweii/layer/dialog/DialogLayer.java

@@ -160,7 +160,7 @@ protected View onCreateChild(@NonNull LayoutInflater inflater, @NonNull ViewGrou
         return container;
     }
 
-    @NonNull
+    @Nullable
     protected View onCreateBackground(@NonNull LayoutInflater inflater, @NonNull ViewGroup parent) {
         if (getConfig().mBackgroundView != null) {
             ViewGroup backgroundParent = (ViewGroup) getConfig().mBackgroundView.getParent();
@@ -346,7 +346,9 @@ protected FrameLayout.LayoutParams generateContentDefaultLayoutParams() {
 
     @Override
     protected void fitDecorInsets(@NonNull Rect insets) {
-        Utils.setViewPadding(getViewHolder().getContentWrapper(), insets);
+        if (getConfig().mFitInsets) {
+            Utils.setViewPadding(getViewHolder().getContentWrapper(), insets);
+        }
         if (getConfig().mAvoidStatusBar) {
             int paddingTop = getViewHolder().getContentWrapper().getPaddingTop();
             int statusBarHeight = Utils.getStatusBarHeightIfVisible(getActivity());
@@ -618,6 +620,17 @@ public DialogLayer setBackgroundColorRes(@ColorRes int colorRes) {
         return this;
     }
 
+    /**
+     * 设置是否避开页面内边距
+     *
+     * @param fitInsets 设置是否避开页面内边距
+     */
+    @NonNull
+    public DialogLayer setFitInsets(boolean fitInsets) {
+        getConfig().mFitInsets = fitInsets;
+        return this;
+    }
+
     /**
      * 设置避开状态栏
      *
@@ -845,6 +858,7 @@ protected static class Config extends DecorLayer.Config {
 
         protected boolean mCancelableOnTouchOutside = true;
 
+        protected boolean mFitInsets = true;
         protected boolean mAvoidStatusBar = false;
 
         protected int mGravity = Gravity.NO_GRAVITY;