[SetupWizardLib] Implement LayoutHelper.setIllustration
Implement SetupWizardLayoutHelper.setIllustration, which takes an
asset resource and a horizontal tile to form a suitable drawable
illustration for use with the library's Illustration class.
Bug: 18685749
Change-Id: I07f8fa811bc4e02ce641e45f3ba4402d385ce470
diff --git a/library/res/values-sw600dp/config.xml b/library/res/values-sw600dp/config.xml
new file mode 100644
index 0000000..0cbd5a8
--- /dev/null
+++ b/library/res/values-sw600dp/config.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ Copyright (C) 2015 The Android Open Source Project
+
+ 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.
+-->
+
+<resources>
+
+ <!-- Whether to use tablet layout -->
+ <bool name="suwUseTabletLayout">true</bool>
+
+</resources>
diff --git a/library/res/values/config.xml b/library/res/values/config.xml
index 902a7e9..9b232cc 100644
--- a/library/res/values/config.xml
+++ b/library/res/values/config.xml
@@ -20,4 +20,7 @@
<!-- The duration (in milliseconds) of activity transitions -->
<integer name="suw_transition_duration">300</integer>
-</resources>
\ No newline at end of file
+ <!-- Whether to use tablet layout -->
+ <bool name="suwUseTabletLayout">false</bool>
+
+</resources>
diff --git a/library/src/com/android/setupwizardlib/util/SetupWizardLayoutHelper.java b/library/src/com/android/setupwizardlib/util/SetupWizardLayoutHelper.java
index ad44e82..5d9527e 100644
--- a/library/src/com/android/setupwizardlib/util/SetupWizardLayoutHelper.java
+++ b/library/src/com/android/setupwizardlib/util/SetupWizardLayoutHelper.java
@@ -16,12 +16,20 @@
package com.android.setupwizardlib.util;
+import android.annotation.SuppressLint;
import android.app.Activity;
+import android.content.Context;
+import android.graphics.Shader.TileMode;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.LayerDrawable;
+import android.view.Gravity;
import android.view.View;
import android.widget.TextView;
import com.android.setupwizardlib.R;
import com.android.setupwizardlib.SetupWizardLayout;
+import com.android.setupwizardlib.view.Illustration;
/**
* This layout helper works with SetupWizardLayout and manages the templates for suw_template and
@@ -70,4 +78,89 @@
titleView.setText(title);
}
}
+
+ /**
+ * Set the illustration of the layout. The drawable will be applied as is, and the bounds will
+ * be set as implemented in {@link com.android.setupwizardlib.view.Illustration}. To create
+ * a suitable drawable from an asset and a horizontal repeating tile, use
+ * {@link #setIllustration(int, int)} instead.
+ *
+ * @param drawable The drawable specifying the illustration.
+ */
+ public void setIllustration(Drawable drawable) {
+ View view = mLayout.findViewById(R.id.suw_layout_decor);
+ if (view instanceof Illustration) {
+ Illustration illustration = (Illustration) view;
+ illustration.setIllustration(drawable);
+ }
+ }
+
+ /**
+ * Set the illustration of the layout, which will be created asset and the horizontal tile as
+ * suitable. On phone layouts (not sw600dp), the asset will be scaled, maintaining aspect ratio.
+ * On tablets (sw600dp), the assets will always have 256dp height and the rest of the
+ * illustration area that the asset doesn't fill will be covered by the horizontalTile.
+ *
+ * @param asset Resource ID of the illustration asset.
+ * @param horizontalTile Resource ID of the horizontally repeating tile for tablet layout.
+ */
+ public void setIllustration(int asset, int horizontalTile) {
+ View view = mLayout.findViewById(R.id.suw_layout_decor);
+ if (view instanceof Illustration) {
+ final Illustration illustration = (Illustration) view;
+ final Drawable illustrationDrawable = getIllustration(asset, horizontalTile);
+ illustration.setIllustration(illustrationDrawable);
+ }
+ }
+
+ /**
+ * Set the background of the layout, which is expected to be able to extend infinitely. If it is
+ * a bitmap tile and you want it to repeat, use {@link #setBackgroundTile(int)} instead.
+ */
+ public void setBackground(Drawable background) {
+ View view = mLayout.findViewById(R.id.suw_layout_decor);
+ if (view != null) {
+ view.setBackground(background);
+ }
+ }
+
+ /**
+ * Set the background of the layout to a repeating bitmap tile. To use a different kind of
+ * drawable, use {@link #setBackground(android.graphics.drawable.Drawable)} instead.
+ */
+ public void setBackgroundTile(int backgroundTile) {
+ Drawable background = mLayout.getContext().getDrawable(backgroundTile);
+ if (background instanceof BitmapDrawable) {
+ ((BitmapDrawable) background).setTileModeXY(TileMode.REPEAT, TileMode.REPEAT);
+ }
+ View view = mLayout.findViewById(R.id.suw_layout_decor);
+ if (view != null) {
+ view.setBackground(background);
+ }
+ }
+
+ @SuppressLint("RtlHardcoded")
+ private Drawable getIllustration(int asset, int horizontalTile) {
+ final Context context = mLayout.getContext();
+ final Drawable illustration = context.getDrawable(asset);
+ if (context.getResources().getBoolean(R.bool.suwUseTabletLayout)) {
+ // If it is a "tablet" (sw600dp), create a LayerDrawable with the horizontal tile.
+ final Drawable tile = context.getDrawable(horizontalTile);
+ if (tile instanceof BitmapDrawable) {
+ ((BitmapDrawable) tile).setTileModeX(TileMode.REPEAT);
+ ((BitmapDrawable) tile).setGravity(Gravity.TOP);
+ }
+ if (illustration instanceof BitmapDrawable) {
+ // Always specify TOP | LEFT, Illustration will flip the entire LayerDrawable.
+ ((BitmapDrawable) illustration).setGravity(Gravity.TOP | Gravity.LEFT);
+ }
+ final LayerDrawable layers = new LayerDrawable(new Drawable[] { tile, illustration });
+ layers.setAutoMirrored(true);
+ return layers;
+ } else {
+ // If it is a "phone" (not sw600dp), simply return the illustration
+ illustration.setAutoMirrored(true);
+ return illustration;
+ }
+ }
}
