Improved preview feature.

Size of preview windowis set according to the picture displayed.
Background color gradient added.

Author: codingbychanche

1.png

@@ -1,4 +1,4 @@
-#Tue Jun 09 19:59:03 CEST 2020
+#Sun Jun 14 12:33:59 CEST 2020
 /Users/Berthold/AndroidStudioProjects/0_MeineBrauchbarenProjekte/FileDialog/filedialogtool/src/main/res/layout/file_list_active_entry.xml=/Users/Berthold/AndroidStudioProjects/0_MeineBrauchbarenProjekte/FileDialog/filedialogtool/build/intermediates/packaged_res/debug/layout/file_list_active_entry.xml
 /Users/Berthold/AndroidStudioProjects/0_MeineBrauchbarenProjekte/FileDialog/filedialogtool/src/main/res/drawable/document.png=/Users/Berthold/AndroidStudioProjects/0_MeineBrauchbarenProjekte/FileDialog/filedialogtool/build/intermediates/packaged_res/debug/drawable/document.png
 /Users/Berthold/AndroidStudioProjects/0_MeineBrauchbarenProjekte/FileDialog/filedialogtool/src/main/res/drawable/openfolder.png=/Users/Berthold/AndroidStudioProjects/0_MeineBrauchbarenProjekte/FileDialog/filedialogtool/build/intermediates/packaged_res/debug/drawable/openfolder.png

2.png

@@ -13,21 +13,17 @@ drawable ic_delete_forever_black_24dp
 drawable ic_search_black_24dp
 drawable nopicture
 drawable openfolder
-id color_below_pic
 id fileNname
 id fileSymbol
 id goup
-id last_pic
 id lastmodified
 id locksymbol
 id mylist
-id next_pic
 id pbar
 id progress
 id quit_preview
 id returnAndSave
 id screen_shot
-id show_picture
 layout activity_file_chooser
 layout file_list_active_entry
 layout fragment_dialog_show_file_info

3.png

@@ -11,66 +11,48 @@
   ~ Last modified 8/30/18 5:24 PM
   -->
 
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/show_picture"
+<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="wrap_content"
-    android:layout_height="500dp"
-    android:layout_centerInParent="true">
-
-    <LinearLayout
-        android:orientation="vertical"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent">
-
-        <ImageButton
-            android:id="@+id/quit_preview"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:src="@android:drawable/ic_menu_close_clear_cancel"/>
-
-        <RelativeLayout
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content">
-
-            <ImageView
-                android:id="@+id/screen_shot"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:adjustViewBounds="true"
-                android:scaleType="fitCenter" />
-            <ProgressBar
-                android:id="@+id/progress"
-                android:layout_centerInParent="true"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content" />
-            <View
-                android:id="@+id/color_below_pic"
-                android:layout_below="@+id/screen_shot"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content">
-            </View>
-
-
-
-        </RelativeLayout>
-        <LinearLayout
-            android:layout_below="@+id/screen_shot"
-            android:orientation="horizontal"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content">
-
-            <ImageButton
-                android:id="@+id/last_pic"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:src="@android:drawable/ic_media_rew"/>
-
-            <ImageButton
-                android:id="@+id/next_pic"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:src="@android:drawable/ic_media_ff"/>
-        </LinearLayout>
-    </LinearLayout>
-
-</RelativeLayout>
+    android:layout_height="wrap_content">
+
+
+    <ImageButton
+        android:id="@+id/quit_preview"
+        android:layout_width="wrap_content"
+        android:background="@android:color/transparent"
+        android:layout_height="wrap_content"
+        android:src="@android:drawable/ic_menu_close_clear_cancel"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+
+    <ImageView
+        android:id="@+id/screen_shot"
+        android:layout_width="500dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="24dp"
+        android:layout_marginEnd="24dp"
+        android:layout_marginBottom="32dp"
+        android:adjustViewBounds="true"
+        android:scaleType="fitCenter"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/quit_preview" />
+
+    <ProgressBar
+        android:id="@+id/progress"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerInParent="true"
+        android:layout_marginBottom="32dp"
+        app:layout_constraintBottom_toBottomOf="@+id/screen_shot"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="@+id/screen_shot" />
+
+
+
+   </androidx.constraintlayout.widget.ConstraintLayout>

filedialogtool/build/intermediates/compile_library_classes/debug/classes.jar

@@ -92,6 +92,8 @@ attr backgroundStacked
 attr backgroundTint
 attr backgroundTintMode
 attr barLength
+attr barrierAllowsGoneWidgets
+attr barrierDirection
 attr behavior_autoHide
 attr behavior_fitToContents
 attr behavior_hideable
@@ -133,6 +135,7 @@ attr cardMaxElevation
 attr cardPreventCornerOverlap
 attr cardUseCompatPadding
 attr cardViewStyle
+attr chainUseRtl
 attr checkboxStyle
 attr checkedChip
 attr checkedIcon
@@ -182,6 +185,9 @@ attr colorPrimaryDark
 attr colorSecondary
 attr colorSwitchThumbNormal
 attr commitIcon
+attr constraintSet
+attr constraint_referenced_ids
+attr content
 attr contentDescription
 attr contentInsetEnd
 attr contentInsetEndWithActions
@@ -228,6 +234,7 @@ attr editTextBackground
 attr editTextColor
 attr editTextStyle
 attr elevation
+attr emptyVisibility
 attr enforceMaterialTheme
 attr enforceTextAppearance
 attr errorEnabled
@@ -318,9 +325,59 @@ attr layout_anchorGravity
 attr layout_behavior
 attr layout_collapseMode
 attr layout_collapseParallaxMultiplier
+attr layout_constrainedHeight
+attr layout_constrainedWidth
+attr layout_constraintBaseline_creator
+attr layout_constraintBaseline_toBaselineOf
+attr layout_constraintBottom_creator
+attr layout_constraintBottom_toBottomOf
+attr layout_constraintBottom_toTopOf
+attr layout_constraintCircle
+attr layout_constraintCircleAngle
+attr layout_constraintCircleRadius
+attr layout_constraintDimensionRatio
+attr layout_constraintEnd_toEndOf
+attr layout_constraintEnd_toStartOf
+attr layout_constraintGuide_begin
+attr layout_constraintGuide_end
+attr layout_constraintGuide_percent
+attr layout_constraintHeight_default
+attr layout_constraintHeight_max
+attr layout_constraintHeight_min
+attr layout_constraintHeight_percent
+attr layout_constraintHorizontal_bias
+attr layout_constraintHorizontal_chainStyle
+attr layout_constraintHorizontal_weight
+attr layout_constraintLeft_creator
+attr layout_constraintLeft_toLeftOf
+attr layout_constraintLeft_toRightOf
+attr layout_constraintRight_creator
+attr layout_constraintRight_toLeftOf
+attr layout_constraintRight_toRightOf
+attr layout_constraintStart_toEndOf
+attr layout_constraintStart_toStartOf
+attr layout_constraintTop_creator
+attr layout_constraintTop_toBottomOf
+attr layout_constraintTop_toTopOf
+attr layout_constraintVertical_bias
+attr layout_constraintVertical_chainStyle
+attr layout_constraintVertical_weight
+attr layout_constraintWidth_default
+attr layout_constraintWidth_max
+attr layout_constraintWidth_min
+attr layout_constraintWidth_percent
 attr layout_dodgeInsetEdges
+attr layout_editor_absoluteX
+attr layout_editor_absoluteY
+attr layout_goneMarginBottom
+attr layout_goneMarginEnd
+attr layout_goneMarginLeft
+attr layout_goneMarginRight
+attr layout_goneMarginStart
+attr layout_goneMarginTop
 attr layout_insetEdge
 attr layout_keyline
+attr layout_optimizationLevel
 attr layout_scrollFlags
 attr layout_scrollInterpolator
 attr liftOnScroll
@@ -1075,7 +1132,6 @@ id center
 id checkbox
 id checked
 id chronometer
-id color_below_pic
 id container
 id content
 id contentPanel
@@ -1101,18 +1157,19 @@ id filled
 id fixed
 id forever
 id ghost_view
+id gone
 id goup
 id group_divider
 id home
 id icon
 id icon_group
 id image
 id info
+id invisible
 id italic
 id item_touch_helper_previous_elevation
 id labeled
 id largeLabel
-id last_pic
 id lastmodified
 id left
 id line1
@@ -1128,7 +1185,6 @@ id mtrl_internal_children_alpha_tag
 id multiply
 id mylist
 id navigation_header_container
-id next_pic
 id none
 id normal
 id notification_background
@@ -1137,10 +1193,13 @@ id notification_main_column_container
 id off
 id on
 id outline
+id packed
 id parallax
+id parent
 id parentPanel
 id parent_matrix
 id pbar
+id percent
 id pin
 id progress
 id progress_circular
@@ -1173,12 +1232,13 @@ id search_voice_btn
 id select_dialog_listview
 id selected
 id shortcut
-id show_picture
 id smallLabel
 id snackbar_action
 id snackbar_text
 id spacer
 id split_action_bar
+id spread
+id spread_inside
 id src_atop
 id src_in
 id src_over
@@ -1221,6 +1281,7 @@ id unlabeled
 id up
 id view_offset_helper
 id visible
+id wrap
 id wrap_content
 integer abc_config_activityDefaultDur
 integer abc_config_activityShortDur
@@ -1891,6 +1952,9 @@ styleable CollapsingToolbarLayout collapsedTitleGravity collapsedTitleTextAppear
 styleable CollapsingToolbarLayout_Layout layout_collapseMode layout_collapseParallaxMultiplier
 styleable ColorStateListItem alpha android_alpha android_color
 styleable CompoundButton android_button buttonCompat buttonTint buttonTintMode
+styleable ConstraintLayout_Layout android_maxHeight android_maxWidth android_minHeight android_minWidth android_orientation barrierAllowsGoneWidgets barrierDirection chainUseRtl constraintSet constraint_referenced_ids layout_constrainedHeight layout_constrainedWidth layout_constraintBaseline_creator layout_constraintBaseline_toBaselineOf layout_constraintBottom_creator layout_constraintBottom_toBottomOf layout_constraintBottom_toTopOf layout_constraintCircle layout_constraintCircleAngle layout_constraintCircleRadius layout_constraintDimensionRatio layout_constraintEnd_toEndOf layout_constraintEnd_toStartOf layout_constraintGuide_begin layout_constraintGuide_end layout_constraintGuide_percent layout_constraintHeight_default layout_constraintHeight_max layout_constraintHeight_min layout_constraintHeight_percent layout_constraintHorizontal_bias layout_constraintHorizontal_chainStyle layout_constraintHorizontal_weight layout_constraintLeft_creator layout_constraintLeft_toLeftOf layout_constraintLeft_toRightOf layout_constraintRight_creator layout_constraintRight_toLeftOf layout_constraintRight_toRightOf layout_constraintStart_toEndOf layout_constraintStart_toStartOf layout_constraintTop_creator layout_constraintTop_toBottomOf layout_constraintTop_toTopOf layout_constraintVertical_bias layout_constraintVertical_chainStyle layout_constraintVertical_weight layout_constraintWidth_default layout_constraintWidth_max layout_constraintWidth_min layout_constraintWidth_percent layout_editor_absoluteX layout_editor_absoluteY layout_goneMarginBottom layout_goneMarginEnd layout_goneMarginLeft layout_goneMarginRight layout_goneMarginStart layout_goneMarginTop layout_optimizationLevel
+styleable ConstraintLayout_placeholder content emptyVisibility
+styleable ConstraintSet android_alpha android_elevation android_id android_layout_height android_layout_marginBottom android_layout_marginEnd android_layout_marginLeft android_layout_marginRight android_layout_marginStart android_layout_marginTop android_layout_width android_maxHeight android_maxWidth android_minHeight android_minWidth android_orientation android_rotation android_rotationX android_rotationY android_scaleX android_scaleY android_transformPivotX android_transformPivotY android_translationX android_translationY android_translationZ android_visibility barrierAllowsGoneWidgets barrierDirection chainUseRtl constraint_referenced_ids layout_constrainedHeight layout_constrainedWidth layout_constraintBaseline_creator layout_constraintBaseline_toBaselineOf layout_constraintBottom_creator layout_constraintBottom_toBottomOf layout_constraintBottom_toTopOf layout_constraintCircle layout_constraintCircleAngle layout_constraintCircleRadius layout_constraintDimensionRatio layout_constraintEnd_toEndOf layout_constraintEnd_toStartOf layout_constraintGuide_begin layout_constraintGuide_end layout_constraintGuide_percent layout_constraintHeight_default layout_constraintHeight_max layout_constraintHeight_min layout_constraintHeight_percent layout_constraintHorizontal_bias layout_constraintHorizontal_chainStyle layout_constraintHorizontal_weight layout_constraintLeft_creator layout_constraintLeft_toLeftOf layout_constraintLeft_toRightOf layout_constraintRight_creator layout_constraintRight_toLeftOf layout_constraintRight_toRightOf layout_constraintStart_toEndOf layout_constraintStart_toStartOf layout_constraintTop_creator layout_constraintTop_toBottomOf layout_constraintTop_toTopOf layout_constraintVertical_bias layout_constraintVertical_chainStyle layout_constraintVertical_weight layout_constraintWidth_default layout_constraintWidth_max layout_constraintWidth_min layout_constraintWidth_percent layout_editor_absoluteX layout_editor_absoluteY layout_goneMarginBottom layout_goneMarginEnd layout_goneMarginLeft layout_goneMarginRight layout_goneMarginStart layout_goneMarginTop
 styleable CoordinatorLayout keylines statusBarBackground
 styleable CoordinatorLayout_Layout android_layout_gravity layout_anchor layout_anchorGravity layout_behavior layout_dodgeInsetEdges layout_insetEdge layout_keyline
 styleable DesignTheme bottomSheetDialogTheme bottomSheetStyle
@@ -1903,6 +1967,7 @@ styleable FontFamilyFont android_font android_fontStyle android_fontVariationSet
 styleable ForegroundLinearLayout android_foreground android_foregroundGravity foregroundInsidePadding
 styleable GradientColor android_centerColor android_centerX android_centerY android_endColor android_endX android_endY android_gradientRadius android_startColor android_startX android_startY android_tileMode android_type
 styleable GradientColorItem android_color android_offset
+styleable LinearConstraintLayout android_orientation
 styleable LinearLayoutCompat android_baselineAligned android_baselineAlignedChildIndex android_gravity android_orientation android_weightSum divider dividerPadding measureWithLargestChild showDividers
 styleable LinearLayoutCompat_Layout android_layout_gravity android_layout_height android_layout_weight android_layout_width
 styleable ListPopupWindow android_dropDownHorizontalOffset android_dropDownVerticalOffset