imageloader支持imageview扩展。

weikipeng · Nov 2, 2016 · 8bb4ad1 · 8bb4ad1
1 parent 0b57cee
commit 8bb4ad1
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Showing 5 changed files with 48 additions and 30 deletions.
diff --git a/app/src/main/java/com/test/banner/GlideImageLoader.java b/app/src/main/java/com/test/banner/GlideImageLoader.java
@@ -4,12 +4,10 @@
 import android.widget.ImageView;
 
 import com.bumptech.glide.Glide;
-import com.youth.banner.loader.ImageLoader;
+import com.youth.banner.loader.ImageViewImageLoader;
 
-import java.io.File;
 
-
-public class GlideImageLoader implements ImageLoader {
+public class GlideImageLoader extends ImageViewImageLoader {
     @Override
     public void displayImage(Context context, Object path, ImageView imageView) {
         //具体方法内容自己去选择，次方法是为了减少banner过多的依赖第三方包，所以将这个权限开放给使用者去选择

diff --git a/banner/banner-banner.iml b/banner/banner-banner.iml
@@ -66,14 +66,6 @@
       <sourceFolder url="file://$MODULE_DIR$/src/main/jni" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/rs" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/shaders" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/res" type="java-test-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/resources" type="java-test-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/assets" type="java-test-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/aidl" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/java" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/jni" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/rs" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/shaders" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/res" type="java-test-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/resources" type="java-test-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/assets" type="java-test-resource" />
@@ -82,7 +74,14 @@
       <sourceFolder url="file://$MODULE_DIR$/src/test/jni" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/rs" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/shaders" isTestSource="true" />
-      <excludeFolder url="file://$MODULE_DIR$/build/docs" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/res" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/resources" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/assets" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/aidl" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/java" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/jni" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/rs" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/shaders" isTestSource="true" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/annotations" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/blame" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/bundles" />
@@ -100,12 +99,10 @@
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/symbols" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/transforms" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/typedefs.txt" />
-      <excludeFolder url="file://$MODULE_DIR$/build/libs" />
       <excludeFolder url="file://$MODULE_DIR$/build/outputs" />
-      <excludeFolder url="file://$MODULE_DIR$/build/poms" />
       <excludeFolder url="file://$MODULE_DIR$/build/tmp" />
     </content>
-    <orderEntry type="jdk" jdkName="Android API 23 Platform" jdkType="Android SDK" />
+    <orderEntry type="jdk" jdkName="Android API 23 Platform (1)" jdkType="Android SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" exported="" name="support-annotations-23.4.0" level="project" />
     <orderEntry type="library" exported="" name="support-v4-23.4.0" level="project" />

diff --git a/banner/src/main/java/com/youth/banner/Banner.java b/banner/src/main/java/com/youth/banner/Banner.java
@@ -3,7 +3,6 @@
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.os.Handler;
-import android.os.Message;
 import android.support.v4.view.PagerAdapter;
 import android.support.v4.view.ViewPager;
 import android.util.AttributeSet;
@@ -53,7 +52,7 @@ public class Banner extends FrameLayout implements OnPageChangeListener {
     private int scaleType=0;
     private List<String> titles;
     private List<?> imageUrls;
-    private List<ImageView> imageViews;
+    private List<View> imageViews;
     private List<ImageView> indicatorImages;
     private Context context;
     private BannerViewPager viewPager;
@@ -257,11 +256,20 @@ private void setImageList(List<?> imagesUrl) {
         count = imagesUrl.size();
         initImages();
         for (int i = 0; i <= count + 1; i++) {
-            ImageView iv = new ImageView(context);
-            if (scaleType==0)
-                iv.setScaleType(ScaleType.FIT_XY);
-            else
-                iv.setScaleType(ScaleType.CENTER_CROP);
+            View imageView = null;
+            if (imageLoader != null) {
+                imageView = imageLoader.createImageView(context);
+            }
+            if (imageView == null) {
+                imageView = new ImageView(context);
+            }
+            if (imageView instanceof ImageView) {
+                if (scaleType==0) {
+                    ((ImageView) imageView).setScaleType(ScaleType.FIT_XY);
+                } else {
+                    ((ImageView) imageView).setScaleType(ScaleType.CENTER_CROP);
+                }
+            }
             Object url = null;
             if (i == 0) {
                 url = imagesUrl.get(count - 1);
@@ -270,9 +278,9 @@ private void setImageList(List<?> imagesUrl) {
             } else {
                 url = imagesUrl.get(i - 1);
             }
-            imageViews.add(iv);
+            imageViews.add(imageView);
             if (imageLoader!=null)
-                imageLoader.displayImage(context, url, iv);
+                imageLoader.displayImage(context, url, imageView);
             else
                 Log.e(tag, "Please set images loader.");
         }
@@ -381,7 +389,7 @@ public boolean isViewFromObject(View arg0, Object arg1) {
         @Override
         public Object instantiateItem(ViewGroup container, final int position) {
             container.addView(imageViews.get(position));
-            ImageView view = imageViews.get(position);
+            View view = imageViews.get(position);
             if (listener!=null) {
                 view.setOnClickListener(new OnClickListener() {
                     @Override

diff --git a/banner/src/main/java/com/youth/banner/loader/ImageLoader.java b/banner/src/main/java/com/youth/banner/loader/ImageLoader.java
@@ -1,14 +1,14 @@
 package com.youth.banner.loader;
 
-import android.app.Activity;
 import android.content.Context;
-import android.widget.ImageView;
+import android.view.View;
 
 import java.io.Serializable;
 
 
-public interface ImageLoader extends Serializable {
+public interface ImageLoader<T extends View> extends Serializable {
 
-    void displayImage(Context context, Object path, ImageView imageView);
+    void displayImage(Context context, Object path, T imageView);
 
+    T createImageView(Context context);
 }
diff --git a/banner/src/main/java/com/youth/banner/loader/ImageViewImageLoader.java b/banner/src/main/java/com/youth/banner/loader/ImageViewImageLoader.java
@@ -0,0 +1,15 @@
+package com.youth.banner.loader;
+
+import android.content.Context;
+import android.widget.ImageView;
+
+
+public abstract class ImageViewImageLoader implements ImageLoader<ImageView> {
+
+    @Override
+    public ImageView createImageView(Context context) {
+        ImageView imageView = new ImageView(context);
+        return imageView;
+    }
+
+}