<gallery>APK 15.0.15 release Publish.

- 为preview_image的父级LinearLayout添加id标识(preview_image_container)
- 实现单击preview_image时随机生成颜色并改变容器背景
- 添加必要的import语句(LinearLayout, Random)

gallery/build.properties

@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Fri May 01 09:21:07 HKT 2026
-stageCount=14
+#Fri May 01 21:09:33 HKT 2026
+stageCount=16
 libraryProject=
 baseVersion=15.0
-publishVersion=15.0.13
+publishVersion=15.0.15
 buildCount=0
-baseBetaVersion=15.0.14
+baseBetaVersion=15.0.16

gallery/src/main/java/cc/winboll/studio/gallery/BgSelectorDialog.java

@@ -0,0 +1,64 @@
+package cc.winboll.studio.gallery;
+
+import android.app.Dialog;
+import android.content.Context;
+import android.view.View;
+import android.widget.RadioButton;
+import android.widget.RadioGroup;
+
+public class BgSelectorDialog extends Dialog {
+
+    public interface OnBgSelectedListener {
+        void onBgSelected(int bgType);
+    }
+
+    private int currentBgType;
+    private OnBgSelectedListener listener;
+
+    public BgSelectorDialog(Context context, int currentBgType) {
+        super(context);
+        this.currentBgType = currentBgType;
+        setContentView(R.layout.dialog_bg_selector);
+        initViews();
+    }
+
+    private void initViews() {
+        RadioGroup radioGroup = findViewById(R.id.radio_group_bg);
+        RadioButton radioCheckerboard = findViewById(R.id.radio_checkerboard);
+        RadioButton radioWhite = findViewById(R.id.radio_white);
+        RadioButton radioBlack = findViewById(R.id.radio_black);
+
+        switch (currentBgType) {
+            case 0:
+                radioCheckerboard.setChecked(true);
+                break;
+            case 1:
+                radioWhite.setChecked(true);
+                break;
+            case 2:
+                radioBlack.setChecked(true);
+                break;
+        }
+
+        radioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(RadioGroup group, int checkedId) {
+                int which = 0;
+                if (checkedId == R.id.radio_white) {
+                    which = 1;
+                } else if (checkedId == R.id.radio_black) {
+                    which = 2;
+                }
+
+                if (listener != null) {
+                    listener.onBgSelected(which);
+                }
+                dismiss();
+            }
+        });
+    }
+
+    public void setOnBgSelectedListener(OnBgSelectedListener listener) {
+        this.listener = listener;
+    }
+}

gallery/src/main/java/cc/winboll/studio/gallery/CropActivity.java

@@ -19,6 +19,7 @@ import android.widget.ImageView;
 import android.widget.ScrollView;
 import android.widget.SeekBar;
 import android.widget.TextView;
+import android.widget.LinearLayout;
 import android.widget.Toast;
 import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.app.AppCompatActivity;
@@ -26,6 +27,7 @@ import cc.winboll.studio.libappbase.LogUtils;
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.util.Random;
 
 public class CropActivity extends AppCompatActivity {
     public static final String TAG = "CropActivity";
@@ -147,25 +149,20 @@ public class CropActivity extends AppCompatActivity {
     }
     
     private void showBgDialog() {
-        final String[] bgNames = {"灰白相间", "全白", "全黑"};
-        final int[] bgDrawables = {R.drawable.bg_checkerboard, R.drawable.bg_white, R.drawable.bg_black};
         final View colorView = findViewById(R.id.color_view);
         final GradientDrawable colorDrawable = (GradientDrawable) colorView.getBackground();
         final int currentBgType = cropCanvasView.getBackgroundType();
         
-        new AlertDialog.Builder(this)
-            .setTitle("选择背景")
-            .setSingleChoiceItems(bgNames, currentBgType, new android.content.DialogInterface.OnClickListener() {
-                @Override
-                public void onClick(android.content.DialogInterface dialog, int which) {
-                    cropCanvasView.setBackgroundType(which);
-                    prefs.setBgType(which);
-                    updateColorView(colorDrawable, which);
-                    dialog.dismiss();
-                }
-            })
-            .setNegativeButton("取消", null)
-            .show();
+        BgSelectorDialog dialog = new BgSelectorDialog(this, currentBgType);
+        dialog.setOnBgSelectedListener(new BgSelectorDialog.OnBgSelectedListener() {
+            @Override
+            public void onBgSelected(int which) {
+                cropCanvasView.setBackgroundType(which);
+                prefs.setBgType(which);
+                updateColorView(colorDrawable, which);
+            }
+        });
+        dialog.show();
     }
     
     private void loadImage() {
@@ -315,10 +312,18 @@ public class CropActivity extends AppCompatActivity {
         View dialogView = getLayoutInflater().inflate(R.layout.dialog_crop_info, null);
         TextView infoText = dialogView.findViewById(R.id.info_text);
         ImageView previewImage = dialogView.findViewById(R.id.preview_image);
+        LinearLayout previewImageContainer = dialogView.findViewById(R.id.preview_image_container);
         infoText.setText(info.toString());
         if (previewBitmap != null) {
             previewImage.setImageBitmap(previewBitmap);
         }
+        previewImage.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                int randomColor = 0xFF000000 | new Random().nextInt(0x00FFFFFF);
+                previewImageContainer.setBackgroundColor(randomColor);
+            }
+        });
         
         AlertDialog dialog = new AlertDialog.Builder(this)
             .setTitle("裁剪信息")

gallery/src/main/java/cc/winboll/studio/gallery/ImageViewerActivity.java

@@ -169,28 +169,24 @@ public class ImageViewerActivity extends Activity implements ViewPager.OnPageCha
     }
     
     private void switchBg() {
-        final String[] bgNames = {"灰白相间", "全白", "全黑"};
         final int[] bgResources = {R.drawable.bg_checkerboard, R.drawable.bg_white, R.drawable.bg_black};
         
-        new AlertDialog.Builder(this)
-            .setTitle("选择背景")
-            .setSingleChoiceItems(bgNames, bgType, new android.content.DialogInterface.OnClickListener() {
-                @Override
-                public void onClick(android.content.DialogInterface dialog, int which) {
-                    bgType = which;
-                    prefs.setBgType(which);
-                    int currentItem = viewPager.getCurrentItem();
-                    View container = findViewById(R.id.container);
-                    if (container != null) {
-                        container.setBackgroundResource(bgResources[which]);
-                    }
-                    viewPager.setAdapter(new ImagePagerAdapter(imageUrls, bgType));
-                    viewPager.setCurrentItem(currentItem);
-                    dialog.dismiss();
+        BgSelectorDialog dialog = new BgSelectorDialog(this, bgType);
+        dialog.setOnBgSelectedListener(new BgSelectorDialog.OnBgSelectedListener() {
+            @Override
+            public void onBgSelected(int which) {
+                bgType = which;
+                prefs.setBgType(which);
+                int currentItem = viewPager.getCurrentItem();
+                View container = findViewById(R.id.container);
+                if (container != null) {
+                    container.setBackgroundResource(bgResources[which]);
                 }
-            })
-            .setNegativeButton("取消", null)
-            .show();
+                viewPager.setAdapter(new ImagePagerAdapter(imageUrls, bgType));
+                viewPager.setCurrentItem(currentItem);
+            }
+        });
+        dialog.show();
     }
     
     private void showDeleteDialog() {

gallery/src/main/res/layout/dialog_bg_selector.xml

@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:padding="16dp">
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="选择背景"
+        android:textSize="20sp"
+        android:textStyle="bold"
+        android:gravity="center"
+        android:paddingBottom="16dp" />
+
+    <RadioGroup
+        android:id="@+id/radio_group_bg"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <RadioButton
+            android:id="@+id/radio_checkerboard"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="灰白相间"
+            android:padding="12dp" />
+
+        <RadioButton
+            android:id="@+id/radio_white"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="全白"
+            android:padding="12dp" />
+
+        <RadioButton
+            android:id="@+id/radio_black"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="全黑"
+            android:padding="12dp" />
+
+    </RadioGroup>
+
+</LinearLayout>

gallery/src/main/res/layout/dialog_crop_info.xml

@@ -1,26 +1,36 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:orientation="vertical"
-    android:padding="16dp"
-    android:background="@drawable/bg_dialog">
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	android:layout_width="match_parent"
+	android:layout_height="wrap_content"
+	android:orientation="vertical"
+	android:padding="16dp"
+	android:background="@drawable/bg_dialog"
+	android:gravity="center_horizontal">
 
-    <TextView
-        android:id="@+id/info_text"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:textSize="14sp"
-        android:fontFamily="monospace"
-        android:textColor="@android:color/white"/>
+	<TextView
+		android:id="@+id/info_text"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:textSize="14sp"
+		android:fontFamily="monospace"
+		android:textColor="@android:color/white"/>
 
-    <ImageView
-        android:id="@+id/preview_image"
-        android:layout_width="match_parent"
-        android:layout_height="200dp"
-        android:layout_marginTop="16dp"
-        android:scaleType="fitCenter"
-        android:background="@android:color/black"/>
+	<LinearLayout
+		android:id="@+id/preview_image_container"
+		android:orientation="horizontal"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:padding="2dp"
+		android:background="#FFBBD505">
+
+		<ImageView
+			android:id="@+id/preview_image"
+			android:layout_width="match_parent"
+			android:layout_height="wrap_content"
+			android:scaleType="fitCenter"/>
+
+	</LinearLayout>
+
+</LinearLayout>
 
-</LinearLayout>