don't assume 24dp for the status bar size

Author: klinker24

gradle.properties

@@ -14,7 +14,7 @@
 # limitations under the License.
 #
 
-GRADLE_PLUGIN_VERSION=3.0.0-beta5
+GRADLE_PLUGIN_VERSION=3.0.0-beta6
 BUILD_TOOLS_VERSION=26.0.1
 
 ANDROID_SUPPORT_VERSION=26.0.1

library/src/main/java/xyz/klinker/android/drag_dismiss/delegate/AbstractDragDismissDelegate.java

@@ -20,16 +20,20 @@
 import android.graphics.Color;
 import android.os.Bundle;
 import android.support.annotation.CallSuper;
+import android.support.design.widget.AppBarLayout;
+import android.support.design.widget.CoordinatorLayout;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.app.AppCompatDelegate;
 import android.support.v7.widget.Toolbar;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.FrameLayout;
 import android.widget.ProgressBar;
 
 import xyz.klinker.android.drag_dismiss.DragDismissIntentBuilder;
 import xyz.klinker.android.drag_dismiss.R;
 import xyz.klinker.android.drag_dismiss.util.ColorUtils;
+import xyz.klinker.android.drag_dismiss.util.StatusBarHelper;
 import xyz.klinker.android.drag_dismiss.view.ElasticDragDismissFrameLayout;
 
 public abstract class AbstractDragDismissDelegate {
@@ -40,6 +44,7 @@ public abstract class AbstractDragDismissDelegate {
 
     private ProgressBar progressBar;
     private Toolbar toolbar;
+    private AppBarLayout appBarLayout;
     private View statusBar;
 
     private String dragElasticity;
@@ -61,6 +66,7 @@ public void onCreate(Bundle savedInstanceState) {
 
         progressBar = (ProgressBar) activity.findViewById(R.id.dragdismiss_loading);
         toolbar = (Toolbar) activity.findViewById(R.id.dragdismiss_toolbar);
+        appBarLayout = (AppBarLayout) activity.findViewById(R.id.dragdismiss_app_bar);
         statusBar = activity.findViewById(R.id.dragdismiss_status_bar);
 
         setupToolbar();
@@ -114,6 +120,15 @@ private void setupToolbar() {
         if (!shouldShowToolbar) {
             toolbar.setVisibility(View.GONE);
         }
+
+        int statusBarHeight = StatusBarHelper.getStatusBarHeight(activity);
+        statusBar.getLayoutParams().height = statusBarHeight;
+
+        if (appBarLayout == null) {
+            ((CoordinatorLayout.LayoutParams) toolbar.getLayoutParams()).topMargin = statusBarHeight;
+        } else {
+            ((CoordinatorLayout.LayoutParams) appBarLayout.getLayoutParams()).topMargin = statusBarHeight;
+        }
     }
 
     private void setupDragDismiss() {

library/src/main/java/xyz/klinker/android/drag_dismiss/delegate/DragDismissDelegate.java

@@ -25,6 +25,7 @@
 import android.widget.FrameLayout;
 
 import xyz.klinker.android.drag_dismiss.R;
+import xyz.klinker.android.drag_dismiss.util.StatusBarHelper;
 import xyz.klinker.android.drag_dismiss.view.ElasticDragDismissFrameLayout;
 import xyz.klinker.android.drag_dismiss.view.ToolbarScrollListener;
 
@@ -67,6 +68,8 @@ public void onDrag(float elasticOffset, float elasticOffsetPixels, float rawOffs
 
         FrameLayout elasticContent = (FrameLayout) activity.findViewById(R.id.dragdismiss_content);
         elasticContent.addView(callback.onCreateContent(activity.getLayoutInflater(), elasticContent, savedInstanceState));
+
+        ((NestedScrollView.LayoutParams) elasticContent.getLayoutParams()).topMargin = StatusBarHelper.getStatusBarHeight(activity);
     }
 
     @Override

library/src/main/java/xyz/klinker/android/drag_dismiss/util/ColorUtils.java

@@ -1,3 +1,19 @@
+/*
+ * Copyright (C) 2017 Luke Klinker
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package xyz.klinker.android.drag_dismiss.util;
 
 import android.annotation.TargetApi;

library/src/main/java/xyz/klinker/android/drag_dismiss/util/StatusBarHelper.java

@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2017 Luke Klinker
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package xyz.klinker.android.drag_dismiss.util;
+
+import android.content.Context;
+import android.util.TypedValue;
+
+public class StatusBarHelper {
+
+    public static int getStatusBarHeight(Context context) {
+        int resourceId = context.getResources().getIdentifier("status_bar_height", "dimen", "android");
+        if (resourceId > 0) {
+            return context.getResources().getDimensionPixelSize(resourceId);
+        } else {
+            return toDp(24, context);
+        }
+    }
+
+    private static int toDp(int px, Context context) {
+        return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, px, context.getResources().getDisplayMetrics());
+    }
+}

library/src/main/res/layout/dragdismiss_activity_recycler.xml

@@ -64,6 +64,7 @@
                 android:background="@color/dragdismiss_toolbarBackground"/>
 
             <android.support.design.widget.AppBarLayout
+                android:id="@+id/dragdismiss_app_bar"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"

sample/src/main/java/xyz/klinker/drag_dismiss/DismissableActivityNormalContent.java

@@ -24,6 +24,7 @@
 
 import xyz.klinker.android.drag_dismiss.DragDismissIntentBuilder;
 import xyz.klinker.android.drag_dismiss.activity.DragDismissActivity;
+import xyz.klinker.android.drag_dismiss.util.StatusBarHelper;
 
 public class DismissableActivityNormalContent extends DragDismissActivity {
 
@@ -36,7 +37,7 @@ public View onCreateContent(LayoutInflater inflater, ViewGroup parent, Bundle sa
 
         if (!getDragDismissDelegate().shouldShowToolbar()) {
             // don't need the padding that pushes it below the toolbar
-            tv.setPadding(0,0,0,0);
+            tv.setPadding(0, 0,0,0);
         }
 
         if (getIntent().getBooleanExtra(EXTRA_SHOW_PROGRESS, false)) {

sample/src/main/res/layout/activity_scrollable.xml

@@ -20,7 +20,6 @@
     android:orientation="vertical"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
-    android:layout_marginTop="24dp"
     android:padding="16dp" >
 
     <TextView