Explorer grid layout

app/src/main/java/sushi/hardcore/droidfs/adapters/ExplorerElementAdapter.kt

@@ -29,6 +29,7 @@ class ExplorerElementAdapter(
     val dateFormat: DateFormat = DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT, Locale.getDefault())
     var explorerElements = listOf<ExplorerElement>()
     val selectedItems: MutableList<Int> = ArrayList()
+    var isUsingListLayout = true
 
     override fun getItemCount(): Int {
         return explorerElements.size
@@ -197,7 +198,13 @@ class ExplorerElementAdapter(
     }
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
-        val view = activity.layoutInflater.inflate(R.layout.adapter_explorer_element, parent, false)
+        val view = activity.layoutInflater.inflate(
+            if (isUsingListLayout) {
+                R.layout.adapter_explorer_element_list
+            } else {
+                R.layout.adapter_explorer_element_grid
+            }, parent, false
+        )
         return when (viewType) {
             ExplorerElement.REGULAR_FILE_TYPE -> FileViewHolder(view)
             ExplorerElement.DIRECTORY_TYPE -> DirectoryViewHolder(view)

app/src/main/java/sushi/hardcore/droidfs/explorers/BaseExplorerActivity.kt

@@ -10,12 +10,14 @@ import android.os.IBinder
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
+import android.widget.ImageButton
 import android.widget.TextView
 import android.widget.Toast
 import androidx.core.content.ContextCompat
 import androidx.documentfile.provider.DocumentFile
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.ViewModelProvider
+import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
@@ -60,6 +62,9 @@ open class BaseExplorerActivity : BaseActivity() {
     protected var isStartingActivity = false
     private var usf_open = false
     protected var usf_keep_open = false
+    private lateinit var linearLayoutManager: LinearLayoutManager
+    private var isUsingListLayout = true
+    private lateinit var layoutIcon: ImageButton
     private lateinit var titleText: TextView
     private lateinit var recycler_view_explorer: RecyclerView
     private lateinit var refresher: SwipeRefreshLayout
@@ -106,9 +111,19 @@ open class BaseExplorerActivity : BaseActivity() {
         explorerViewModel = ViewModelProvider(this).get(ExplorerViewModel::class.java)
         currentDirectoryPath = explorerViewModel.currentDirectoryPath
         setCurrentPath(currentDirectoryPath)
-        recycler_view_explorer.apply {
-            adapter = explorerAdapter
-            layoutManager = LinearLayoutManager(this@BaseExplorerActivity)
+        linearLayoutManager = LinearLayoutManager(this@BaseExplorerActivity)
+        recycler_view_explorer.adapter = explorerAdapter
+        isUsingListLayout = sharedPrefs.getBoolean("useListLayout", true)
+        layoutIcon = findViewById(R.id.layout_icon)
+        setRecyclerViewLayout()
+        layoutIcon.setOnClickListener {
+            isUsingListLayout = !isUsingListLayout
+            setRecyclerViewLayout()
+            recycler_view_explorer.recycledViewPool.clear()
+            with (sharedPrefs.edit()) {
+                putBoolean("useListLayout", isUsingListLayout)
+                apply()
+            }
         }
         refresher.setOnRefreshListener {
             setCurrentPath(currentDirectoryPath)
@@ -121,6 +136,20 @@ open class BaseExplorerActivity : BaseActivity() {
         var currentDirectoryPath = ""
     }
 
+    private fun setRecyclerViewLayout() {
+        layoutIcon.setImageResource(if (isUsingListLayout) {
+            recycler_view_explorer.layoutManager = linearLayoutManager
+            explorerAdapter.isUsingListLayout = true
+            R.drawable.icon_view_list
+        } else {
+            val displayMetrics = resources.displayMetrics
+            val columnsNumber = (displayMetrics.widthPixels / displayMetrics.density / 200 + 0.5).toInt()
+            recycler_view_explorer.layoutManager = GridLayoutManager(this, columnsNumber)
+            explorerAdapter.isUsingListLayout = false
+            R.drawable.icon_view_grid
+        })
+    }
+
     protected open fun init() {
         setContentView(R.layout.activity_explorer_base)
     }

app/src/main/res/drawable/icon_view_grid.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M4,11h5L9,5L4,5v6zM4,18h5v-6L4,12v6zM10,18h5v-6h-5v6zM16,18h5v-6h-5v6zM10,11h5L15,5h-5v6zM16,5v6h5L21,5h-5z"/>
+</vector>

app/src/main/res/drawable/icon_view_list.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M4,14h4v-4L4,10v4zM4,19h4v-4L4,15v4zM4,9h4L8,5L4,5v4zM9,14h12v-4L9,10v4zM9,19h12v-4L9,15v4zM9,5v4h12L21,5L9,5z"/>
+</vector>

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

@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="horizontal"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <LinearLayout
+        android:id="@+id/selectable_container"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="?attr/selectableItemBackground"
+        android:orientation="vertical"
+        android:padding="10dp">
+
+        <ImageView
+            android:id="@+id/icon_element"
+            android:layout_width="wrap_content"
+            android:layout_height="130dp"
+            android:adjustViewBounds="true"
+            android:layout_gravity="center_horizontal"/>
+
+        <LinearLayout
+            android:layout_gravity="center_horizontal|bottom"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <TextView
+                android:id="@+id/text_element_name"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:textSize="@dimen/adapter_text_size"/>
+
+            <LinearLayout
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal"
+                android:layout_gravity="bottom">
+
+                <TextView
+                    android:id="@+id/text_element_mtime"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:textSize="@dimen/details_text_size"
+                    android:layout_marginEnd="7dp"/>
+
+                <TextView
+                    android:id="@+id/text_element_size"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:textSize="@dimen/details_text_size"/>
+
+            </LinearLayout>
+
+        </LinearLayout>
+
+    </LinearLayout>
+
+</LinearLayout>

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

@@ -35,14 +35,14 @@
 
                 <TextView
                     android:id="@+id/text_path"
-                    android:layout_width="0dp"
+                    android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:layout_marginEnd="7dp"
                     android:singleLine="true"
                     android:ellipsize="middle"
                     app:layout_constraintHorizontal_chainStyle="packed"
                     app:layout_constraintHorizontal_bias="0"
-                    app:layout_constraintWidth_default="wrap"
+                    app:layout_constrainedWidth="true"
                     app:layout_constraintTop_toTopOf="parent"
                     app:layout_constraintStart_toStartOf="parent"
                     app:layout_constraintEnd_toStartOf="@id/text_info"

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

@@ -1,28 +1,47 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
-    android:layout_height="25dp"
+    android:layout_height="50dp"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:background="?attr/infoBarBackgroundColor"
-    android:gravity="center_vertical">
+    android:paddingHorizontal="20dp">
 
     <TextView
         android:id="@+id/current_path_text"
-        android:layout_width="0dp"
+        android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         style="@style/infoBarTextView"
+        android:singleLine="true"
+        android:ellipsize="start"
+        app:layout_constraintHorizontal_chainStyle="packed"
+        app:layout_constraintHorizontal_bias="0"
+        app:layout_constrainedWidth="true"
         app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintEnd_toStartOf="@id/total_size_text"/>
 
     <TextView
         android:id="@+id/total_size_text"
-        android:layout_width="0dp"
+        android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         style="@style/infoBarTextView"
         android:text="@string/default_total_size"
+        android:layout_marginHorizontal="20dp"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toEndOf="@id/current_path_text"/>
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toEndOf="@id/current_path_text"
+        app:layout_constraintEnd_toStartOf="@id/layout_icon"/>
+
+    <ImageButton
+        android:id="@+id/layout_icon"
+        android:layout_width="30dp"
+        android:layout_height="30dp"
+        android:src="@drawable/icon_view_grid"
+        android:background="?attr/selectableItemBackgroundBorderless"
+        android:contentDescription="@string/switch_display_layout"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"/>
 
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -233,4 +233,5 @@
     <string name="invalid_number">Invalid number</string>
     <string name="new_volume_name">New volume name:</string>
     <string name="volume_rename_failed">Failed to rename volume</string>
+    <string name="switch_display_layout">Switch display layout</string>
 </resources>

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

@@ -59,6 +59,5 @@
         <item name="android:ellipsize">start</item>
         <item name="android:singleLine">true</item>
         <item name="android:textSize">15sp</item>
-        <item name="android:textAlignment">center</item>
     </style>
 </resources>

build.gradle

@@ -6,7 +6,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.1.2'
+        classpath 'com.android.tools.build:gradle:7.1.3'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }