release: 7.3.0.增加页面拖拽回调

release: 7.3.0.增加页面拖拽回调

README.md

@@ -42,7 +42,7 @@ allprojects {
 dependencies {
   // 添加本框架 BigImageViewPager https://github.com/SherlockGougou/BigImageViewPager
   // 此处展示的是最新版本
-  implementation 'com.github.SherlockGougou:BigImageViewPager:androidx-7.2.7'
+  implementation 'com.github.SherlockGougou:BigImageViewPager:androidx-7.3.0'
   
   // 另外还需要依赖 glide
   implementation 'com.github.bumptech.glide:glide:4.11.0'

library/src/main/java/cc/shinichi/library/ImagePreview.kt

@@ -144,6 +144,8 @@ class ImagePreview {
         private set
     var onPageFinishListener: OnPageFinishListener? = null
         private set
+    var onPageDragListener: OnPageDragListener? = null
+        private set
 
     // 自定义百分比布局layout id
     @LayoutRes
@@ -387,6 +389,11 @@ class ImagePreview {
         return this
     }
 
+    fun setOnPageDragListener(onPageDragListener: OnPageDragListener): ImagePreview {
+        this.onPageDragListener = onPageDragListener
+        return this
+    }
+
     private fun setOnOriginProgressListener(onOriginProgressListener: OnOriginProgressListener): ImagePreview {
         this.onOriginProgressListener = onOriginProgressListener
         return this

library/src/main/java/cc/shinichi/library/view/ImagePreviewAdapter.kt

@@ -153,7 +153,8 @@ class ImagePreviewAdapter(private val activity: AppCompatActivity, imageList: Mu
         }
 
         if (ImagePreview.instance.isEnableDragClose) {
-            fingerDragHelper.setOnAlphaChangeListener { _, translationY ->
+            fingerDragHelper.setOnAlphaChangeListener { event, translationY ->
+                ImagePreview.instance.onPageDragListener?.onDrag(event, translationY)
                 val yAbs = abs(translationY)
                 val percent = yAbs / getPhoneHei(activity.applicationContext)
                 val number = 1.0f - percent

library/src/main/java/cc/shinichi/library/view/listener/OnPageDragListener.kt

@@ -0,0 +1,14 @@
+package cc.shinichi.library.view.listener
+
+import android.view.MotionEvent
+
+/**
+ * @author 工藤
+ * @email [email protected]
+ * cc.shinichi.library.view.listener
+ * create at 2018/12/19  16:23
+ * description: 页面拖拽回调
+ */
+abstract class OnPageDragListener {
+    abstract fun onDrag(event: MotionEvent?, translationY: Float)
+}

sample/build.gradle

@@ -8,8 +8,8 @@ android {
         applicationId "cc.shinichi.bigimageviewpager"
         minSdkVersion 19
         targetSdkVersion 33
-        versionCode 727
-        versionName "androidx-7.2.7"
+        versionCode 730
+        versionName "androidx-7.3.0"
     }
     buildTypes {
         release {
@@ -56,6 +56,6 @@ dependencies {
     implementation 'com.github.bumptech.glide:okhttp3-integration:4.11.0'
 
     // library
-    // implementation 'com.github.SherlockGougou:BigImageViewPager:androidx-7.2.7'
+    // implementation 'com.github.SherlockGougou:BigImageViewPager:androidx-7.3.0'
     implementation project(':library')
 }

sample/src/main/java/cc/shinichi/bigimageviewpager/MainActivity.java

@@ -5,6 +5,7 @@
 import android.os.Build;
 import android.os.Bundle;
 import android.util.Log;
+import android.view.MotionEvent;
 import android.view.View;
 import android.view.Window;
 import android.widget.CompoundButton;
@@ -40,6 +41,7 @@
 import cc.shinichi.library.view.listener.OnDownloadClickListener;
 import cc.shinichi.library.view.listener.OnDownloadListener;
 import cc.shinichi.library.view.listener.OnOriginProgressListener;
+import cc.shinichi.library.view.listener.OnPageDragListener;
 import cc.shinichi.library.view.listener.OnPageFinishListener;
 
 public class MainActivity extends AppCompatActivity {
@@ -473,6 +475,13 @@ public void onLayout(@NonNull View parentView) {
                                 // 自定义控件事件处理
                             }
                         })
+                        // 监听页面拖动(自定义布局可以根据是否拖动进行隐藏或者展示)
+                        .setOnPageDragListener(new OnPageDragListener() {
+                            @Override
+                            public void onDrag(MotionEvent event, float translationY) {
+                                Log.d(TAG, "onDrag: translationY = " + translationY);
+                            }
+                        })
                         // 开启预览
                         .start();
             }