Merge pull request #5 from Yalantis/feature/changing_background

added posibility to change background

Author: igalata

app/src/main/java/com/yalantis/fitfilter/ExampleActivity.java

@@ -1,5 +1,6 @@
 package com.yalantis.fitfilter;
 
+import android.graphics.Color;
 import android.os.Bundle;
 import android.support.v4.content.ContextCompat;
 import android.support.v7.app.AppCompatActivity;
@@ -52,6 +53,7 @@ protected void onCreate(Bundle savedInstanceState) {
         mFilter.setNoSelectedItemText(getString(R.string.str_all_selected));
         mFilter.build();
 
+
         mRecyclerView = (RecyclerView) findViewById(R.id.list);
         mRecyclerView.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false));
         mRecyclerView.setAdapter(mAdapter = new QuestionsAdapter(this, mAllQuestions = getQuestions()));

filter/src/main/java/com/yalantis/filter/widget/CollapsedFilterContainer.kt

@@ -1,6 +1,7 @@
 package com.yalantis.filter.widget
 
 import android.content.Context
+import android.graphics.Color
 import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.view.MotionEvent
@@ -19,6 +20,12 @@ class CollapsedFilterContainer : RelativeLayout {
     private var mStartX = 0f
     private var mStartY = 0f
 
+    var containerBackground = Color.WHITE
+        set(value) {
+            field = value
+            relative_container.setBackgroundColor(value)
+        }
+
     constructor(context: Context) : this(context, null)
     constructor(context: Context, attrs: AttributeSet?) : this(context, attrs, 0)
     constructor(context: Context, attrs: AttributeSet?, defStyleRes: Int) : super(context, attrs, defStyleRes) {

filter/src/main/java/com/yalantis/filter/widget/Filter.kt

@@ -20,6 +20,10 @@ import kotlinx.android.synthetic.main.collapsed_container.view.*
 import kotlinx.android.synthetic.main.filter.view.*
 import java.io.Serializable
 import java.util.*
+import android.content.res.TypedArray
+import android.graphics.Color
+import android.support.annotation.ColorInt
+
 
 /**
  * Created by galata on 08.09.16.
@@ -43,6 +47,20 @@ class Filter<T : FilterModel> : FrameLayout, FilterItemListener, CollapseListene
             collapseView.setHasText(value)
         }
 
+    var collapsedBackground: Int = Color.WHITE
+        set(value) {
+            field = value
+            collapsedContainer.containerBackground = value
+            collapsedContainer.invalidate()
+        }
+
+    var expandedBackground: Int = Color.WHITE
+        set(value) {
+            field = value
+            expandedFilter.setBackgroundColor(value)
+            expandedFilter.invalidate()
+        }
+
     private var mIsBusy = false
 
     private var isCollapsed: Boolean? = null
@@ -66,6 +84,13 @@ class Filter<T : FilterModel> : FrameLayout, FilterItemListener, CollapseListene
         collapsedFilter.scrollListener = this
         collapsedContainer.listener = this
         expandedFilter.listener = this
+        val attributes = context.obtainStyledAttributes(attrs, R.styleable.Filter, 0, 0)
+        try {
+            collapsedContainer.containerBackground = attributes.getColor(R.styleable.Filter_collapsedBackground, Color.WHITE)
+            expandedFilter.setBackgroundColor(attributes.getColor(R.styleable.Filter_expandedBackground, Color.WHITE))
+        } finally {
+            attributes.recycle()
+        }
     }
 
     fun build() {

filter/src/main/res/layout/collapsed_container.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/relative_container"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:background="@android:color/white">

filter/src/main/res/values/attrs.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <declare-styleable name="Filter">
+        <attr name="expandedBackground" format="color"/>
+        <attr name="collapsedBackground" format="color"/>
+    </declare-styleable>
+</resources>