增加了简单的loading

Author: wanglu1209

app/src/main/java/com/wanglu/photoviewer/MainActivity.kt

@@ -4,6 +4,7 @@ import android.os.Bundle
 import android.support.v7.app.AppCompatActivity
 import android.widget.ImageView
 import com.bumptech.glide.Glide
+import com.bumptech.glide.request.RequestOptions
 import com.wanglu.photoviewerlibrary.PhotoViewer
 import kotlinx.android.synthetic.main.activity_main.*
 
@@ -20,14 +21,27 @@ class MainActivity : AppCompatActivity() {
                 "http://wallpaper-pub.d2collection.com/class/cover/%E5%8A%A8%E6%BC%AB.png"
         )
 
-//        val adapter = GvAdapter(this)
-//        gv.adapter = adapter
-//        adapter.setData(picData)
-//        gv.setOnItemClickListener { _, view, position, _ ->
+        val adapter = GvAdapter(this)
+        gv.adapter = adapter
+        adapter.setData(picData)
+        gv.setOnItemClickListener { _, view, position, _ ->
+            PhotoViewer
+                    .setData(picData)
+                    .setCurrentPage(position)
+                    .setImgContainer(gv)
+                    .setShowImageViewInterface(object : PhotoViewer.ShowImageViewInterface {
+                        override fun show(iv: ImageView, url: String) {
+                            Glide.with(iv.context).load(url).apply(RequestOptions.placeholderOf(R.mipmap.ic_launcher)).into(iv)
+                        }
+                    })
+                    .start(this)
+        }
+
+//        Glide.with(this).load(picData[3]).into(iv)
+//
+//        iv.setOnClickListener {
 //            PhotoViewer
-//                    .setData(picData)
-//                    .setCurrentPage(position)
-//                    .setImgContainer(gv)
+//                    .setClickSingleImg(picData[3], iv)
 //                    .setShowImageViewInterface(object : PhotoViewer.ShowImageViewInterface {
 //                        override fun show(iv: ImageView, url: String) {
 //                            Glide.with(iv.context).load(url).into(iv)
@@ -36,18 +50,5 @@ class MainActivity : AppCompatActivity() {
 //                    .start(this)
 //        }
 
-        Glide.with(this).load(picData[3]).into(iv)
-
-        iv.setOnClickListener {
-            PhotoViewer
-                    .setClickSingleImg(picData[3], iv)
-                    .setShowImageViewInterface(object : PhotoViewer.ShowImageViewInterface {
-                        override fun show(iv: ImageView, url: String) {
-                            Glide.with(iv.context).load(url).into(iv)
-                        }
-                    })
-                    .start(this)
-        }
-
     }
 }

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

@@ -10,19 +10,19 @@
 
 
 
-    <!--<GridView-->
-        <!--android:id="@+id/gv"-->
-        <!--android:layout_width="match_parent"-->
-        <!--android:gravity="center"-->
-        <!--android:layout_height="wrap_content"-->
-        <!--android:numColumns="3"-->
-        <!--android:layout_gravity="center"/>-->
+    <GridView
+        android:id="@+id/gv"
+        android:layout_width="match_parent"
+        android:gravity="center"
+        android:layout_height="wrap_content"
+        android:numColumns="3"
+        android:layout_gravity="center"/>
 
 
-    <ImageView
-        android:id="@+id/iv"
-        android:layout_width="100dp"
-        android:layout_height="100dp"
-        android:layout_marginLeft="50dp"
-        android:layout_marginTop="50dp"/>
+    <!--<ImageView-->
+        <!--android:id="@+id/iv"-->
+        <!--android:layout_width="100dp"-->
+        <!--android:layout_height="100dp"-->
+        <!--android:layout_marginLeft="50dp"-->
+        <!--android:layout_marginTop="50dp"/>-->
 </FrameLayout>

photoviewer/src/main/java/com/wanglu/photoviewerlibrary/PhotoViewerFragment.kt

@@ -38,6 +38,19 @@ class PhotoViewerFragment : BaseLazyFragment() {
         mIv.setExitLocation(mExitLocation)
         mIv.setImgSize(mImgSize)
 
+        // 循环查看是否添加上了图片
+        Thread(Runnable {
+            while(true){
+                if(mIv.drawable != null){
+                    activity!!.runOnUiThread {
+                        loading.visibility = View.GONE
+                    }
+                    break
+                }
+                Thread.sleep(100)
+            }
+        }).start()
+
         var intAlpha = 255
         root.background.alpha = intAlpha
         mIv.rootView = root

photoviewer/src/main/res/layout/item_picture.xml

@@ -11,4 +11,11 @@
         android:layout_height="match_parent"
         android:layout_gravity="center"
         android:background="@color/transparentColor"/>
+
+    <ProgressBar
+        android:id="@+id/loading"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+
+        android:layout_gravity="center"/>
 </FrameLayout>