Merge branch 'lighter_license' into 'master'

Lighter license activity

Closes #303

See merge request pixeldroid/PixelDroid!402

app/src/main/java/org/pixeldroid/app/settings/LicenseActivity.kt

@@ -1,19 +1,42 @@
 package org.pixeldroid.app.settings
 
 import android.os.Bundle
+import com.google.gson.Gson
 import org.pixeldroid.app.R
-import org.pixeldroid.app.databinding.ActivityLicensesBinding
+import org.pixeldroid.app.databinding.OpenSourceLicenseBinding
 import org.pixeldroid.app.utils.BaseActivity
 
-class LicenseActivity : BaseActivity() {
+/**
+ * Displays licenses for all app dependencies. JSON is
+ * generated by the plugin https://github.com/cookpad/LicenseToolsPlugin.
+ */
+class LicenseActivity: BaseActivity() {
+
+    private lateinit var binding: OpenSourceLicenseBinding
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        val binding = ActivityLicensesBinding.inflate(layoutInflater)
+        binding = OpenSourceLicenseBinding.inflate(layoutInflater)
 
         setContentView(binding.root)
-        supportActionBar?.setDisplayHomeAsUpEnabled(true)
-        supportActionBar?.setTitle(R.string.dependencies_licenses)
 
-        binding.webview.loadUrl("file:///android_asset/licenses.html")
+        supportActionBar?.setTitle(R.string.dependencies_licenses)
+        supportActionBar?.setDisplayHomeAsUpEnabled(true)
+        supportActionBar?.setHomeButtonEnabled(true)
+
+        setupRecyclerView()
+    }
+
+    private fun setupRecyclerView() {
+        val text: String = applicationContext.assets.open("licenses.json")
+            .bufferedReader().use { it.readText().replace("\r\n", "\n") }
+        val listObj: List<OpenSourceItem> = Gson().fromJson(text, Libraries::class.java).libraries
+
+        val adapter = OpenSourceLicenseAdapter()
+        binding.openSourceLicenseRecyclerView.adapter = adapter
+
+
+        adapter.updateList(listObj)
+
     }
 }

app/src/main/java/org/pixeldroid/app/settings/OpenSourceLicenseAdapter.kt

@@ -0,0 +1,81 @@
+package org.pixeldroid.app.settings
+
+import android.annotation.SuppressLint
+import android.text.method.LinkMovementMethod
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.core.view.isVisible
+import androidx.recyclerview.widget.RecyclerView
+import org.pixeldroid.app.databinding.OpenSourceItemBinding
+
+class OpenSourceLicenseAdapter :
+    RecyclerView.Adapter<OpenSourceLicenseAdapter.OpenSourceLicenceViewHolder>() {
+
+    private var openSourceItems: List<OpenSourceItem> = emptyList()
+
+    @SuppressLint("NotifyDataSetChanged")
+    fun updateList(newOpenSourceItems: List<OpenSourceItem>) {
+        openSourceItems = newOpenSourceItems
+        notifyDataSetChanged()
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): OpenSourceLicenceViewHolder
+        {
+            val itemBinding = OpenSourceItemBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+            return OpenSourceLicenceViewHolder(itemBinding)
+        }
+
+    override fun onBindViewHolder(holder: OpenSourceLicenceViewHolder, position: Int) {
+        val item = openSourceItems[position]
+        holder.bind(item)
+    }
+
+    override fun getItemCount(): Int = openSourceItems.size
+
+    class OpenSourceLicenceViewHolder(val binding: OpenSourceItemBinding) :
+        RecyclerView.ViewHolder(binding.root) {
+        @SuppressLint("SetTextI18n")
+        fun bind(item: OpenSourceItem) {
+            with(binding) {
+                if (!item.libraryName.isNullOrEmpty()) {
+                    title.isVisible = true
+                    title.text = "${item.libraryName}"
+                } else {
+                    title.isVisible = false
+                }
+                val license = item.license
+                if (license != null) {
+                    val licenseUrl = item.licenseUrl?.let { " (${it} )" } ?: ""
+                    copyright.isVisible = true
+                    copyright.apply {
+                        text = "$license$licenseUrl"
+                        movementMethod = LinkMovementMethod.getInstance()
+                    }
+                } else {
+                    copyright.isVisible = false
+                }
+                if (item.url != null || item.copyrightHolder != null) {
+                    val licenseUrl = item.url?.let { " (${it} )" } ?: ""
+                    url.isVisible = true
+                    url.apply {
+                        text = "${item.copyrightHolder ?: ""}$licenseUrl"
+                        movementMethod = LinkMovementMethod.getInstance()
+                    }
+                } else {
+                    url.isVisible = false
+                }
+            }
+        }
+    }
+}
+data class OpenSourceItem(
+    val libraryName: String?,
+    val copyrightHolder: String?,
+    val url: String?,
+    val license: String?,
+    val licenseUrl: String?,
+)
+
+data class Libraries(
+    val libraries: List<OpenSourceItem>
+)

app/src/main/res/layout/open_source_item.xml

@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+  xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+  android:layout_height="wrap_content"
+  android:paddingHorizontal="@dimen/spacing_xlarge"
+  android:paddingBottom="@dimen/spacing_xlarge">
+
+  <TextView
+      android:id="@+id/title"
+      android:layout_width="match_parent"
+      android:layout_height="wrap_content"
+      android:layout_marginVertical="@dimen/spacing_xlarge"
+      android:textSize="20sp"
+      android:textStyle="bold"
+      app:layout_constraintTop_toTopOf="parent"
+      tools:layout_editor_absoluteX="24dp" />
+
+  <TextView
+      android:id="@+id/copyright"
+      android:layout_width="match_parent"
+      android:layout_height="wrap_content"
+      android:layout_marginVertical="@dimen/spacing_large"
+      android:autoLink="web"
+      android:linksClickable="true"
+      app:layout_constraintTop_toBottomOf="@+id/title"
+      tools:layout_editor_absoluteX="24dp" />
+
+  <TextView
+      android:id="@+id/url"
+      android:layout_width="match_parent"
+      android:layout_height="wrap_content"
+      android:layout_marginTop="@dimen/spacing_large"
+      android:autoLink="web"
+      android:linksClickable="true"
+      app:layout_constraintTop_toBottomOf="@+id/copyright"
+      tools:layout_editor_absoluteX="24dp" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/open_source_license.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+  xmlns:app="http://schemas.android.com/apk/res-auto"
+  android:layout_width="match_parent"
+  android:layout_height="match_parent"
+  android:orientation="vertical">
+
+  <androidx.recyclerview.widget.RecyclerView
+      android:id="@+id/open_source_license_recycler_view"
+      android:layout_width="match_parent"
+      android:layout_height="match_parent"
+      android:fadeScrollbars="false"
+      android:scrollbars="vertical"
+      app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager" />
+
+</LinearLayout>

app/src/main/res/values/dimens.xml

@@ -8,6 +8,7 @@
     <dimen name="spacing_small">4dp</dimen>
     <dimen name="spacing_medium">8dp</dimen>
     <dimen name="spacing_large">16dp</dimen>
+    <dimen name="spacing_xlarge">24dp</dimen>
 
     <dimen name="stroke_small">4dp</dimen>
     <dimen name="stroke_medium">8dp</dimen>