chore: added fab layout in home to pick documents (api >= 29)

app/src/main/java/com/mjrt/app/allebooks/ui/home/HomeFragment.kt

@@ -1,8 +1,11 @@
 package com.mjrt.app.allebooks.ui.home
 
 import android.annotation.SuppressLint
+import android.os.Build
 import android.util.Log
 import android.view.View
+import android.widget.Toast
+import androidx.core.view.isVisible
 import androidx.recyclerview.widget.LinearLayoutManager
 import com.mjrt.app.allebooks.MainActivity
 import com.mjrt.app.allebooks.R
@@ -20,7 +23,10 @@ class HomeFragment : BaseFragment(R.layout.fragment_home) {
     }
 
     override fun initializeAttributes() {
-        loadDocuments()
+        if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.P)
+            loadDocuments()
+        else
+            setupPickDocumentFAB()
     }
 
     private fun loadDocuments() {
@@ -45,6 +51,39 @@ class HomeFragment : BaseFragment(R.layout.fragment_home) {
         }
     }
 
+    private fun setupPickDocumentFAB() {
+        showFab()
+        setFabOpenClickListener()
+        setFabOpenDocClickListener()
+    }
+
+    private fun showFab() {
+        binding.fabsParentLayout.visibility = View.VISIBLE
+    }
+
+    private fun setFabOpenClickListener() {
+        binding.fabOpen.setOnClickListener {
+            revertFabVisibility()
+        }
+    }
+
+    private fun setFabOpenDocClickListener() {
+        binding.fabOpenDoc.setOnClickListener {
+            revertFabVisibility()
+            Toast.makeText(requireContext(), "Pick document", Toast.LENGTH_SHORT).show()
+        }
+    }
+
+    private fun revertFabVisibility() {
+        if (binding.fabOpenDoc.isVisible) {
+            binding.fabOpenDoc.visibility = View.INVISIBLE
+            binding.openDocFabLabel.visibility = View.INVISIBLE
+        } else {
+            binding.fabOpenDoc.visibility = View.VISIBLE
+            binding.openDocFabLabel.visibility = View.VISIBLE
+        }
+    }
+
     companion object {
         var documents: ArrayList<PdfDocument>? = null
         @SuppressLint("StaticFieldLeak")

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

@@ -14,4 +14,57 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/fabs_parent_layout"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:visibility="gone"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintVertical_bias=".95"
+        app:layout_constraintHorizontal_bias="1">
+
+        <com.google.android.material.floatingactionbutton.FloatingActionButton
+            android:id="@+id/fab_open_doc"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:contentDescription="@string/open_new_document_button"
+            android:visibility="invisible"
+            app:fabSize="auto"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toTopOf="@id/fab_open"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias=".8"
+            android:layout_margin="8dp" />
+
+        <com.google.android.material.textview.MaterialTextView
+            android:id="@+id/open_doc_fab_label"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/open_a_document"
+            android:textSize="18sp"
+            android:visibility="invisible"
+            app:layout_constraintTop_toTopOf="@id/fab_open_doc"
+            app:layout_constraintBottom_toBottomOf="@id/fab_open_doc"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toStartOf="@id/fab_open_doc"
+            android:layout_margin="8dp"/>
+
+        <com.google.android.material.floatingactionbutton.FloatingActionButton
+            android:id="@+id/fab_open"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:contentDescription="@string/open_new_button"
+            app:fabSize="auto"
+            app:layout_constraintTop_toBottomOf="@+id/fab_open_doc"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintStart_toStartOf="@id/fab_open_doc"
+            app:layout_constraintEnd_toEndOf="@id/fab_open_doc"
+            android:layout_margin="8dp"/>
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -10,4 +10,7 @@
     <string name="menu_home">Home</string>
     <string name="menu_reading">Reading</string>
     <string name="menu_read">Read</string>
+    <string name="open_new_document_button">Open new document button</string>
+    <string name="open_new_button">Open new button</string>
+    <string name="open_a_document">Open a document</string>
 </resources>

reader/.gitignore

@@ -0,0 +1 @@
+/build

reader/build.gradle

@@ -0,0 +1,40 @@
+plugins {
+    alias(libs.plugins.androidLibrary)
+    alias(libs.plugins.jetbrainsKotlinAndroid)
+}
+
+android {
+    namespace 'com.mjrt.app.allebook.reader'
+    compileSdk 34
+
+    defaultConfig {
+        minSdk 21
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles "consumer-rules.pro"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+}
+
+dependencies {
+
+    implementation libs.androidx.core.ktx
+    implementation libs.androidx.appcompat
+    implementation libs.material
+    testImplementation libs.junit
+    androidTestImplementation libs.androidx.junit
+    androidTestImplementation libs.androidx.espresso.core
+}

reader/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

reader/src/main/AndroidManifest.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+</manifest>

settings.gradle

@@ -27,3 +27,4 @@ include ':thumbnail_manager'
 include ':utils'
 include ':ui'
 include ':core'
+include ':reader'