add directory thumbnails

app/build.gradle

@@ -23,4 +23,5 @@ dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     testCompile 'junit:junit:4.12'
     compile 'com.android.support:appcompat-v7:23.1.1'
+    compile 'com.github.bumptech.glide:glide:3.7.0'
 }

app/src/main/java/gallery/simplemobiletools/com/DirectoryAdapter.java

@@ -5,15 +5,20 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.BaseAdapter;
+import android.widget.ImageView;
 import android.widget.TextView;
 
+import com.bumptech.glide.Glide;
+
 import java.util.List;
 
 public class DirectoryAdapter extends BaseAdapter {
+    private final Context context;
     private final List<Directory> dirs;
     private final LayoutInflater inflater;
 
     public DirectoryAdapter(Context context, List<Directory> dirs) {
+        this.context = context;
         this.dirs = dirs;
         this.inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
     }
@@ -32,6 +37,7 @@ public class DirectoryAdapter extends BaseAdapter {
         Directory dir = dirs.get(position);
         holder.dirName.setText(dir.getName());
         holder.photoCnt.setText(String.valueOf(dir.getPhotoCnt()));
+        Glide.with(context).load(dir.getThumbnail()).centerCrop().crossFade().into(holder.dirThumbnail);
 
         return view;
     }
@@ -54,10 +60,12 @@ public class DirectoryAdapter extends BaseAdapter {
     static class ViewHolder {
         TextView dirName;
         TextView photoCnt;
+        ImageView dirThumbnail;
 
         public ViewHolder(View view) {
             dirName = (TextView) view.findViewById(R.id.dir_name);
             photoCnt = (TextView) view.findViewById(R.id.photo_cnt);
+            dirThumbnail = (ImageView) view.findViewById(R.id.dir_thumbnail);
         }
     }
 }

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

@@ -10,9 +10,9 @@
         android:layout_height="wrap_content"
         android:background="@android:color/black"
         android:columnWidth="@dimen/photo_size"
-        android:horizontalSpacing="1dp"
+        android:horizontalSpacing="2dp"
         android:numColumns="auto_fit"
         android:stretchMode="columnWidth"
-        android:verticalSpacing="1dp"/>
+        android:verticalSpacing="2dp"/>
 
 </RelativeLayout>

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

@@ -5,7 +5,7 @@
     android:layout_height="match_parent">
 
     <gallery.simplemobiletools.com.MyImageView
-        android:id="@+id/photo"
+        android:id="@+id/dir_thumbnail"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:background="@android:color/white"/>
@@ -14,7 +14,7 @@
         android:layout_width="match_parent"
         android:layout_height="50dp"
         android:layout_alignParentBottom="true"
-        android:background="#44444444"
+        android:background="#55000000"
         android:paddingBottom="4dp"
         android:paddingLeft="8dp"
         android:paddingRight="8dp"