new sample apps

Slices/Inspector/app/build.gradle

@@ -0,0 +1,38 @@
+apply plugin: 'com.android.application'
+
+apply plugin: 'kotlin-android'
+
+apply plugin: 'kotlin-android-extensions'
+
+android {
+  compileSdkVersion 28
+  defaultConfig {
+    applicationId "com.commonsware.android.slice.inspector"
+    minSdkVersion 21
+    targetSdkVersion 28
+    versionCode 1
+    versionName "1.0"
+    testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    buildConfigField "String", "SLICE_URI", '"' + SLICE_URI + '"'
+  }
+  buildTypes {
+    release {
+      minifyEnabled false
+      proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+    }
+  }
+  compileOptions {
+    sourceCompatibility JavaVersion.VERSION_1_8
+    targetCompatibility JavaVersion.VERSION_1_8
+  }
+}
+
+dependencies {
+  implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+  implementation 'com.google.android.material:material:1.0.0-beta01'
+  implementation 'androidx.appcompat:appcompat:1.0.0-beta01'
+  implementation 'androidx.constraintlayout:constraintlayout:1.1.2'
+  implementation 'androidx.cardview:cardview:1.0.0-beta01'
+  implementation 'androidx.slice:slice-view:1.0.0-beta01'
+  implementation 'de.blox.treeview:treeview:0.1.3'
+}

Slices/Inspector/app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

Slices/Inspector/app/src/main/AndroidManifest.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest package="com.commonsware.android.slice.inspector"
+  xmlns:android="http://schemas.android.com/apk/res/android">
+
+  <application
+    android:allowBackup="true"
+    android:icon="@mipmap/ic_launcher"
+    android:label="@string/app_name"
+    android:roundIcon="@mipmap/ic_launcher_round"
+    android:supportsRtl="true"
+    android:theme="@style/AppTheme">
+    <activity android:name=".MainActivity">
+      <intent-filter>
+        <action android:name="android.intent.action.MAIN" />
+
+        <category android:name="android.intent.category.LAUNCHER" />
+      </intent-filter>
+    </activity>
+  </application>
+
+</manifest>

Slices/Inspector/app/src/main/java/com/commonsware/android/slice/inspector/InspectorFragment.kt

@@ -0,0 +1,88 @@
+/*
+Copyright (c) 2018 CommonsWare, LLC
+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.
+
+Covered in detail in the book _The Busy Coder's Guide to Android Development_
+https://commonsware.com/Android
+ */
+
+package com.commonsware.android.slice.inspector
+
+import android.content.Context
+import android.net.Uri
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.core.content.res.ResourcesCompat
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.Observer
+import androidx.slice.Slice
+import androidx.slice.SliceItem
+import androidx.slice.widget.SliceLiveData
+import de.blox.treeview.BaseTreeAdapter
+import de.blox.treeview.TreeNode
+import de.blox.treeview.TreeView
+
+class InspectorFragment : Fragment() {
+  private lateinit var tree: TreeView
+
+  override fun onCreateView(inflater: LayoutInflater,
+                            container: ViewGroup?,
+                            savedInstanceState: Bundle?): View? {
+    tree = TreeView(activity).apply {
+      lineColor = ResourcesCompat.getColor(activity!!.resources, android.R.color.black, null)
+      levelSeparation = 60
+    }
+
+    SliceLiveData
+        .fromUri(activity!!, Uri.parse(BuildConfig.SLICE_URI))
+        .observe(this, Observer<Slice> { this.onSlice(it) })
+
+    return tree
+  }
+
+  private fun onSlice(slice: Slice) {
+    val adapter = SliceTreeAdapter(activity!!)
+    val root = buildTreeNode(null)
+
+    slice.items.forEach { root.addChild(buildTreeNode(it)) }
+
+    adapter.setRootNode(root)
+    tree.adapter = adapter
+  }
+
+  private fun buildTreeNode(sliceItem: SliceItem?): TreeNode {
+    val result = TreeNode(sliceItem)
+
+    if (android.app.slice.SliceItem.FORMAT_SLICE == sliceItem?.format) {
+      sliceItem.slice.items.forEach { result.addChild(buildTreeNode(it)) }
+    }
+
+    return result
+  }
+
+  internal class SliceTreeAdapter(context: Context) : BaseTreeAdapter<SliceItemViewHolder>(context, R.layout.tree_node) {
+    override fun onCreateViewHolder(view: View): SliceItemViewHolder = SliceItemViewHolder(view)
+
+    override fun onBindViewHolder(viewHolder: SliceItemViewHolder, data: Any?,
+                                  position: Int) {
+      viewHolder.bind(data as SliceItem?)
+    }
+  }
+
+  internal class SliceItemViewHolder(card: View) {
+    val title: TextView = card.findViewById(R.id.title)
+
+    fun bind(sliceItem: SliceItem?) {
+      title.text = sliceItem?.format ?: "slice"
+    }
+  }
+}

Slices/Inspector/app/src/main/java/com/commonsware/android/slice/inspector/MainActivity.kt

@@ -0,0 +1,34 @@
+/*
+Copyright (c) 2018 CommonsWare, LLC
+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.
+
+Covered in detail in the book _The Busy Coder's Guide to Android Development_
+https://commonsware.com/Android
+ */
+
+package com.commonsware.android.slice.inspector
+
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.viewpager.widget.ViewPager
+import com.google.android.material.tabs.TabLayout
+
+class MainActivity : AppCompatActivity() {
+  override fun onCreate(savedInstanceState: Bundle?) {
+    super.onCreate(savedInstanceState)
+    setContentView(R.layout.activity_main)
+
+    val pager = findViewById<ViewPager>(R.id.pager)
+    val adapter = TabAdapter(supportFragmentManager, resources.getStringArray(R.array.tabs))
+    val tabs = findViewById<TabLayout>(R.id.tabs)
+
+    pager.adapter = adapter
+    tabs.setupWithViewPager(pager)
+  }
+}

Slices/Inspector/app/src/main/java/com/commonsware/android/slice/inspector/SliceFragment.kt

@@ -0,0 +1,48 @@
+/*
+Copyright (c) 2018 CommonsWare, LLC
+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.
+
+Covered in detail in the book _The Busy Coder's Guide to Android Development_
+https://commonsware.com/Android
+ */
+
+package com.commonsware.android.slice.inspector
+
+import android.net.Uri
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.slice.widget.SliceLiveData
+import androidx.slice.widget.SliceView
+
+private const val ARG_MODE = "mode"
+
+class SliceFragment : Fragment() {
+  companion object {
+    fun newInstance(mode: Int) =
+        SliceFragment().apply {
+          arguments = Bundle().apply { putInt(ARG_MODE, mode) }
+        }
+  }
+
+  override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, state: Bundle?): View? {
+    val result = inflater.inflate(R.layout.fragment_slice, container, false)
+    val sliceView = result.findViewById<SliceView>(R.id.slice)
+
+    sliceView.mode = arguments?.getInt(ARG_MODE, SliceView.MODE_LARGE) ?: SliceView.MODE_LARGE
+
+    SliceLiveData
+        .fromUri(activity!!, Uri.parse(BuildConfig.SLICE_URI))
+        .observe(this, sliceView)
+
+    return result
+  }
+}

Slices/Inspector/app/src/main/java/com/commonsware/android/slice/inspector/TabAdapter.kt

@@ -0,0 +1,34 @@
+/*
+Copyright (c) 2018 CommonsWare, LLC
+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.
+
+Covered in detail in the book _The Busy Coder's Guide to Android Development_
+https://commonsware.com/Android
+ */
+
+package com.commonsware.android.slice.inspector
+
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentManager
+import androidx.fragment.app.FragmentPagerAdapter
+import androidx.slice.widget.SliceView
+
+class TabAdapter(fm: FragmentManager, private val titles: Array<String>) : FragmentPagerAdapter(fm) {
+  override fun getCount() = 4
+
+  override fun getPageTitle(position: Int) = titles[position]
+
+  override fun getItem(position: Int): Fragment =
+      when (position) {
+        0 -> SliceFragment.newInstance(SliceView.MODE_SHORTCUT)
+        1 -> SliceFragment.newInstance(SliceView.MODE_SMALL)
+        2 -> SliceFragment.newInstance(SliceView.MODE_LARGE)
+        else -> InspectorFragment()
+      }
+}

Slices/Inspector/app/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -0,0 +1,34 @@
+<vector xmlns:aapt="http://schemas.android.com/aapt"
+  xmlns:android="http://schemas.android.com/apk/res/android"
+  android:width="108dp"
+  android:height="108dp"
+  android:viewportHeight="108"
+  android:viewportWidth="108">
+  <path
+    android:fillType="evenOdd"
+    android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+    android:strokeColor="#00000000"
+    android:strokeWidth="1">
+    <aapt:attr name="android:fillColor">
+      <gradient
+        android:endX="78.5885"
+        android:endY="90.9159"
+        android:startX="48.7653"
+        android:startY="61.0927"
+        android:type="linear">
+        <item
+          android:color="#44000000"
+          android:offset="0.0" />
+        <item
+          android:color="#00000000"
+          android:offset="1.0" />
+      </gradient>
+    </aapt:attr>
+  </path>
+  <path
+    android:fillColor="#FFFFFF"
+    android:fillType="nonZero"
+    android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+    android:strokeColor="#00000000"
+    android:strokeWidth="1" />
+</vector>