带有自定义GridlayoutManager android的Recyclerview
我正在使用带有自定义GridlayoutManager android的Recyclerview,android,gridview,android-recyclerview,Android,Gridview,Android Recyclerview,我正在使用GridLayoutManager 应该是这样的 adapter.java @Override public void onBindViewHolder(ProfilePhotosViewHolder ProfilePhotosViewHolder, final int position) { model = list.get(position); if (position == 0) { ProfilePhoto
GridLayoutManager
应该是这样的
adapter.java
@Override
public void onBindViewHolder(ProfilePhotosViewHolder ProfilePhotosViewHolder, final int position) {
model = list.get(position);
if (position == 0) {
ProfilePhotosViewHolder.relativeBucket.setVisibility(View.VISIBLE);
ProfilePhotosViewHolder.relativeBucket.setDrawingCacheEnabled(true);
ProfilePhotosViewHolder.relativeBucket.measure(View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED),
View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED));
ProfilePhotosViewHolder.relativeBucket.layout(0, 0, ProfilePhotosViewHolder.relativeBucket.getMeasuredWidth(), ProfilePhotosViewHolder.relativeBucket.getMeasuredHeight());
ProfilePhotosViewHolder.relativeBucket.buildDrawingCache(true);
Bitmap b = Bitmap.createBitmap(ProfilePhotosViewHolder.relativeBucket.getDrawingCache());
ProfilePhotosViewHolder.relativeBucket.setDrawingCacheEnabled(false);
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
b.compress(Bitmap.CompressFormat.JPEG, 100, bytes);
ProfilePhotosViewHolder.imgProfilePhotos.setImageBitmap(b);
}
if (position == 2) {
ProfilePhotosViewHolder.relativeFollowers.setVisibility(View.VISIBLE);
ProfilePhotosViewHolder.relativeFollowers.setDrawingCacheEnabled(true);
ProfilePhotosViewHolder.relativeFollowers.measure(View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED),
View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED));
ProfilePhotosViewHolder.relativeFollowers.layout(0, 0, ProfilePhotosViewHolder.relativeFollowers.getMeasuredWidth(), ProfilePhotosViewHolder.relativeFollowers.getMeasuredHeight());
ProfilePhotosViewHolder.relativeFollowers.buildDrawingCache(true);
Bitmap b = Bitmap.createBitmap(ProfilePhotosViewHolder.relativeFollowers.getDrawingCache());
ProfilePhotosViewHolder.relativeFollowers.setDrawingCacheEnabled(false);
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
b.compress(Bitmap.CompressFormat.JPEG, 100, bytes);
ProfilePhotosViewHolder.imgProfilePhotos.setImageBitmap(b);
}
if (position == 5) {
ProfilePhotosViewHolder.relativeFollowing.setVisibility(View.VISIBLE);
ProfilePhotosViewHolder.relativeFollowing.setDrawingCacheEnabled(true);
ProfilePhotosViewHolder.relativeFollowing.measure(View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED),
View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED));
ProfilePhotosViewHolder.relativeFollowing.layout(0, 0, ProfilePhotosViewHolder.relativeFollowing.getMeasuredWidth(), ProfilePhotosViewHolder.relativeFollowing.getMeasuredHeight());
ProfilePhotosViewHolder.relativeFollowing.buildDrawingCache(true);
Bitmap b = Bitmap.createBitmap(ProfilePhotosViewHolder.relativeFollowing.getDrawingCache());
ProfilePhotosViewHolder.relativeFollowing.setDrawingCacheEnabled(false);
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
b.compress(Bitmap.CompressFormat.JPEG, 100, bytes);
ProfilePhotosViewHolder.imgProfilePhotos.setImageBitmap(b);
}
if (position == 7) {
ProfilePhotosViewHolder.relativePosts.setVisibility(View.VISIBLE);
ProfilePhotosViewHolder.relativeFollowing.setDrawingCacheEnabled(true);
ProfilePhotosViewHolder.relativeFollowing.measure(View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED),
View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED));
ProfilePhotosViewHolder.relativeFollowing.layout(0, 0, ProfilePhotosViewHolder.relativeFollowing.getMeasuredWidth(), ProfilePhotosViewHolder.relativeFollowing.getMeasuredHeight());
ProfilePhotosViewHolder.relativeFollowing.buildDrawingCache(true);
Bitmap b = Bitmap.createBitmap(ProfilePhotosViewHolder.relativeFollowing.getDrawingCache());
ProfilePhotosViewHolder.relativeFollowing.setDrawingCacheEnabled(false);
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
b.compress(Bitmap.CompressFormat.JPEG, 100, bytes);
ProfilePhotosViewHolder.imgProfilePhotos.setImageBitmap(b);
}
ProfilePhotosViewHolder.imgProfilePhotos.setImageResource(model.photos);
ProfilePhotosViewHolder.imgProfilePhotos.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
mMethods.showToast(mContext, "" + position);
}
});
}
layout.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="@+id/img_photos"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:adjustViewBounds="true"
android:scaleType="fitXY"
android:src="@drawable/im_profile_monuments" />
<RelativeLayout
android:id="@+id/relative_bucket"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/grey_box"
android:paddingBottom="10dp"
android:paddingLeft="5dp"
android:paddingRight="5dp"
android:paddingTop="10dp"
android:visibility="gone">
<ImageView
android:id="@+id/img_profile_bucket"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:src="@drawable/ic_profile_my_bucketlist" />
<TextView
android:id="@+id/tv_profile_bucket_count"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/img_profile_bucket"
android:layout_centerHorizontal="true"
android:layout_marginTop="10dp"
android:gravity="center"
android:singleLine="true"
android:text="My"
android:visibility="visible"
android:textColor="@color/white"
android:textSize="@dimen/txt_medium" />
/>
<TextView
android:id="@+id/tv_profile_bucket_list"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/tv_profile_bucket_count"
android:layout_centerHorizontal="true"
android:layout_marginTop="10dp"
android:gravity="center"
android:singleLine="true"
android:text="Bucket list"
android:textColor="@color/white"
android:textSize="@dimen/txt_medium" />
/>
</RelativeLayout>
/>
/>
问题在于,转换为位图以适应固定位置的自定义布局未正确对齐
在回收器视图中保持视图为方形: 为了启用ViewHolder的onBind函数,我传递了列的宽度(它被计算为屏幕大小/列数),并在ViewHolder内部
itemView.setLayoutParams(new FrameLayout.LayoutParams(width, width));
其中itemView是ViewHolder视图,width是列宽。当然,您需要FrameLayout来实现这一点
希望这有帮助
干杯
编辑:您可以使用
itemView.setLayoutParams(new RelativeLayout.LayoutParams(width, width));
如果父级是相对布局,则在回收器视图中保持视图为方形: 为了启用ViewHolder的onBind函数,我传递了列的宽度(它被计算为屏幕大小/列数),并在ViewHolder内部
itemView.setLayoutParams(new FrameLayout.LayoutParams(width, width));
其中itemView是ViewHolder视图,width是列宽。当然,您需要FrameLayout来实现这一点
希望这有帮助
干杯
编辑:您可以使用
itemView.setLayoutParams(new RelativeLayout.LayoutParams(width, width));
如果父级是相对布局从布局中删除
android:singleLine=“true”
。没有任何区别:(从布局中删除android:singleLine=“true”
。没有任何区别:(我应该将我的自定义RelativeLayout设置为FrameLayout吗?正如我所看到的,有一个构造函数新建RelativeLayout.LayoutParams(int,int)
,所以您可以尝试:)抱歉,指导错误。问题是如果我修复了RelativeLayout的大小,网格中的其余图像将根据屏幕大小进行调整,但我的RelativeLayout将保持不变:(您的问题可能是这行ProfilePhotosViewHolder.relativeFollowing.layout(0,0,ProfilePhotosViewHolder.relativeFollowing.getMeasuredWidth(),ProfilePhotosViewHolder.relativeFollowing.getMeasuredHeight());
它做什么?我应该将我的自定义RelativeLayout设置为FrameLayout吗?正如我看到的,有一个构造函数新的RelativeLayout.LayoutParams(int,int)
所以你可以试试:)抱歉,指导错误。问题是如果我修复了RelativeLayout的大小,网格中的其余图像将根据屏幕大小进行调整,但我的RelativeLayout将保持不变:(您的问题可能是这行ProfilePhotosViewHolder.relativeFollowing.layout(0,0,ProfilePhotosViewHolder.relativeFollowing.getMeasuredWidth(),ProfilePhotosViewHolder.relativeFollowing.getMeasuredHeight());
它的作用是什么?