Merge pull request #6 from okcredit/feature/htmlToPdf

Added Pdf from html

app/src/main/AndroidManifest.xml

@@ -13,7 +13,7 @@
         android:theme="@style/Theme.PDFBuilderAndroid"
         tools:targetApi="31">
         <activity
-            android:name="tech.okcredit.pdfbuilder_android.PreviewActivity"
+            android:name="tech.okcredit.pdfbuilder_android.MainActivity"
             android:exported="true"
             android:theme="@style/ActivityTheme">
             <intent-filter>
@@ -22,6 +22,23 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity
+            android:name="tech.okcredit.pdfbuilder_android.PreviewActivity"
+            android:exported="true"
+            android:theme="@style/ActivityTheme">
+        </activity>
+
+        <activity
+            android:name="tech.okcredit.pdfbuilder_android.PdfPreviewActivity"
+            android:exported="true"
+            android:theme="@style/ActivityTheme">
+        </activity>
+
+        <activity
+            android:name="tech.okcredit.create_pdf.activity.PDFViewerActivity"
+            android:exported="true"
+            android:theme="@style/ActivityTheme">
+        </activity>
     </application>
 
 </manifest>

app/src/main/java/tech/okcredit/pdfbuilder_android/PdfPreviewActivity.kt

@@ -0,0 +1,30 @@
+package tech.okcredit.pdfbuilder_android
+
+import android.os.Bundle
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material.Text
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import tech.okcredit.create_pdf.activity.PDFViewerActivity
+
+
+class PdfPreviewActivity : PDFViewerActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        setBottomUIComposeContent {
+            Text(
+                text = "Hello World!",
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(50.dp),
+                style = androidx.compose.ui.text.TextStyle(
+                    fontSize = 30.sp,
+                )
+            )
+        }
+
+    }
+}

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

@@ -0,0 +1,66 @@
+<?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:padding="16dp"
+    android:orientation="vertical">
+
+    <LinearLayout
+        android:id="@+id/layoutGeneratePdf"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="@dimen/margin_normal"
+        android:layout_marginBottom="@dimen/margin_normal"
+        android:background="?android:attr/selectableItemBackground"
+        android:orientation="horizontal">
+
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:gravity="center_vertical"
+            android:text="Demo for generating a PDF file from scratch"
+            android:textStyle="bold"
+            android:typeface="monospace" />
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/layoutGenerateHtmlPdf"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="@dimen/margin_normal"
+        android:layout_marginBottom="@dimen/margin_normal"
+        android:background="?android:attr/selectableItemBackground"
+        android:orientation="horizontal">
+
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:gravity="center_vertical"
+            android:text="Create a PDF file from an Html"
+            android:textStyle="bold"
+            android:typeface="monospace" />
+
+    </LinearLayout>
+
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="@dimen/activity_vertical_margin"
+        android:gravity="center_horizontal"
+        android:textStyle="bold"
+        android:typeface="monospace" />
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="@dimen/activity_vertical_margin"
+        android:gravity="center_horizontal"
+        android:textStyle="bold"
+        android:typeface="monospace" />
+
+</LinearLayout>

create_pdf/src/main/java/tech/okcredit/create_pdf/activity/PDFViewerActivity.kt

@@ -8,6 +8,9 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.widget.AppCompatTextView
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.platform.ComposeView
+import androidx.compose.ui.platform.ViewCompositionStrategy
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentManager
 import androidx.fragment.app.FragmentStatePagerAdapter
@@ -20,10 +23,12 @@ import java.io.File
 import java.util.LinkedList
 import java.util.Locale
 
-class PDFViewerActivity : AppCompatActivity() {
+open class PDFViewerActivity : AppCompatActivity() {
     var pdfFile: File? = null
         private set
 
+    lateinit var composeView: ComposeView
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_pdf_viewer)
@@ -55,6 +60,16 @@ class PDFViewerActivity : AppCompatActivity() {
             FragmentStatePagerAdapter.BEHAVIOR_RESUME_ONLY_CURRENT_FRAGMENT
         )
         viewPager.setPageTransformer(true, ZoomOutPageTransformer())
+        composeView = findViewById(R.id.compose_view)
+    }
+
+    fun setBottomUIComposeContent(composable: @Composable () -> Unit) {
+        composeView.apply {
+            ViewCompositionStrategy.DisposeOnLifecycleDestroyed(lifecycle = lifecycle)
+            setContent {
+                composable.invoke()
+            }
+        }
     }
 
     private class PDFViewerPagerAdapter(fm: FragmentManager, behavior: Int) :

create_pdf/src/main/res/layout/activity_pdf_viewer.xml

@@ -1,13 +1,22 @@
 <?xml version="1.0" encoding="utf-8"?>
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:background="@color/grey_800"
     tools:context=".activity.PDFViewerActivity">
 
-    <com.tejpratapsingh.pdfcreator.custom.ViewPagerForPhotoView
+    <tech.okcredit.create_pdf.custom.ViewPagerForPhotoView
         android:id="@+id/viewPagerPdfViewer"
         android:layout_width="match_parent"
-        android:layout_height="match_parent" />
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        android:background="@color/grey_800"/>
 
-</FrameLayout>
+    <androidx.compose.ui.platform.ComposeView
+        android:id="@+id/compose_view"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"/>
+
+</LinearLayout>

create_pdf/src/main/res/layout/item_pdf_viewer.xml

@@ -5,11 +5,11 @@
     android:layout_height="match_parent"
     android:orientation="vertical">
 
-    <com.tejpratapsingh.pdfcreator.custom.TouchImageViewFling
+    <tech.okcredit.create_pdf.custom.TouchImageViewFling
         android:id="@+id/imageViewItemPdfViewer"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:background="@color/grey_800"
+        android:background="@color/colorWhite"
         android:contentDescription="@string/pdf_page_as_image" />
 
     <LinearLayout