如何解决Cardview圆角没有显示在屏幕截图中？
我正在尝试获取DialogFragment中cardview的屏幕截图。当我通过代码拍摄屏幕截图时。顶部圆角未显示，但底部圆角显示正确。我看到了以下问题中提到的这些问题...
Cardview loses its radius when taken a screenshot programmatically
Using PixelCopy to copy a scaled View within a DialogFragment
根据上述问题，我在Fragment类中测试了相同的布局和代码。然后圆角就正确显示了...
布局
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/mainlinear"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="12dp"
android:layout_margin="18dp">
<androidx.cardview.widget.CardView
android:id="@+id/cardView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:cardCornerRadius="28dp">
<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@color/colorCand"
android:orientation="vertical">
<androidx.appcompat.widget.AppCompatImageView
android:id="@+id/image"
android:layout_width="match_parent"
android:layout_height="320dp"
android:background="@color/colorWhite"
android:scaleType="centerCrop"
android:src="@drawable/turtle" />
<LinearLayout
android:id="@+id/header"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/image"
android:background="@color/colorAccent">
<androidx.appcompat.widget.AppCompatImageView
android:id="@+id/type"
android:layout_width="48dp"
android:layout_height="48dp"
android:layout_gravity="center"
android:layout_marginStart="8dp"
android:src="@drawable/ic_idea" />
<TextView
android:id="@+id/title"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:layout_marginEnd="8dp"
android:maxLines="1"
android:textAlignment="textEnd"
android:textAllCaps="true"
android:textColor="@color/colorWhite"
android:textSize="18sp"
android:textStyle="bold"
tools:ignore="RtlCompat"
tools:text="Sea Turtle Day" />
</LinearLayout>
<RelativeLayout
android:id="@+id/desc"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/header"
android:background="@color/colorGray">
<TextView
android:id="@+id/tag"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:layout_marginStart="12dp"
android:layout_marginEnd="8dp"
android:layout_toStartOf="@id/category_icon"
android:maxLines="2"
android:textColor="@color/colorAccent"
tools:text="#SeaTurtleDay#SeaTurtleDay" />
<androidx.appcompat.widget.AppCompatImageView
android:id="@+id/category_icon"
android:layout_width="48dp"
android:layout_height="48dp"
android:layout_alignParentEnd="true"
android:layout_centerVertical="true"
android:layout_marginStart="4dp"
android:layout_marginEnd="4dp"
android:src="@drawable/animals" />
</RelativeLayout>
<androidx.appcompat.widget.AppCompatImageView
android:id="@+id/logo"
android:layout_width="96dp"
android:layout_height="96dp"
android:layout_below="@+id/desc"
android:layout_centerHorizontal="true"
android:layout_gravity="center"
android:layout_margin="8dp"
android:src="@drawable/wwf_logo" />
</RelativeLayout>
</androidx.cardview.widget.CardView>
</LinearLayout>
ShotDialog.java
public class ShotDialog extends DialogFragment {
StkyrDialogBinding mBind;
private static Context mCon;
private static Boolean viaEntity;
private String mLink;
public ShotDialog() {
}
public static ShotDialognewInstance(Context context,Stkyr mStk,Boolean entityOnclick) {
StkyrDialog frag = new StkyrDialog();
mCon = context;
viaEntity = entityOnclick;
Bundle args = new Bundle();
args.putSerializable("STK",mStk);
frag.setArguments(args);
return frag;
}
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater,@Nullable ViewGroup container,@Nullable Bundle savedInstanceState) {
mBind = ShotDialogBinding.inflate(inflater);
getDialog().getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
mBind.fwd.setOnClickListener(view -> {
FragmentManager fm = ((FragmentActivity) mCon).getSupportFragmentManager();
BottomDialogFragment mBot = BottomDialogFragment.newInstance(mCon,mBind.mainlinear);
mBot.show(fm,"ShareDialog");
});
}
return mBind.getRoot();
}
}
BottomDialogFragment.java （从该底部表单为上述对话框触发了屏幕截图代码）
public class BottomDialogFragment extends BottomSheetDialogFragment {
public static Context mCon;
private static View stkView;
DialogShareBinding mBind;
private String sharePath = "no";
public static BottomDialogFragment newInstance(Context context,View view) {
mCon = context;
stkView = view;
return new BottomDialogFragment();
}
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater,@Nullable Bundle savedInstanceState) {
mBind = DialogShareBinding.inflate(inflater);
return mBind.getRoot();
}
@Override
public void onViewCreated(@NonNull View view,@Nullable Bundle savedInstanceState) {
super.onViewCreated(view,savedInstanceState);
mBind.stkShare.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
dismiss();
}
});
mBind.share.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
dismiss();
Log.e("onClick: ","SS TRIGGER");
takeStkShot();
}
});
}
public void takeStkShot() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
ViewImage.Companion.getScreenShotFromView(stkView,getActivity(),(bm) -> {
Log.e("takeStkShot: ","> > >");
storeImage(bm);
return null;
});
} else {
Bitmap bm = ViewImage.Companion.getScreenShot(stkView);
storeImage(bm);
Log.e("takeStkShot: ","> > > ScreenShot");
}
}
private void storeImage(Bitmap bm) {
Log.e("takeScreenshot: ","STORING");
Date now = new Date();
android.text.format.DateFormat.format("yyyy-MM-dd hh:mm",now);
try {
// image naming and path to include sd card appending name you choose for file
String mPath = Environment.getExternalStorageDirectory().toString() + "/" + now + ".jpeg";
try {
Log.d("ShareImageCreate",bm.toString());
File imageFile = new File(mPath);
FileOutputStream outputStream = new FileOutputStream(imageFile);
int quality = 100;
bm.compress(Bitmap.CompressFormat.JPEG,quality,outputStream);
outputStream.flush();
outputStream.close();
//setting screenshot in imageview
String filePath = imageFile.getPath();
Log.e("takeScreenshot > > ",filePath);
Bitmap ssbitmap = BitmapFactory.decodeFile(imageFile.getAbsolutePath());
//iv.setImageBitmap(ssbitmap);
sharePath = filePath;
Log.d("ShareImageCreate",sharePath);
Toast.makeText(getActivity(),"SCREENSHOT STORED!",Toast.LENGTH_SHORT).show();
} catch (NullPointerException ex) {
ex.printStackTrace();
}
} catch (Throwable e) {
// Several error may come out with file handling or DOM
e.printStackTrace();
}
}
}
ShotFragment.java （这会产生带有圆角的预期结果）
public class ShotFragment extends Fragment {
String mEntityType = Constants.CAUSE;
Bundle mBundle;
ExtendedFloatingActionButton nextFab;
AppCompatImageView img;
CardView mCard;
private String sharePath = "no";
public View onCreateView(@NonNull LayoutInflater inflater,ViewGroup container,Bundle savedInstanceState) {
View root = inflater.inflate(R.layout.dialog_test,container,false);
((AppCompatActivity) getActivity()).getSupportActionBar().setDisplayHomeAsUpEnabled(true);
((AppCompatActivity) getActivity()).getSupportActionBar().setDisplayShowHomeEnabled(true);
((AppCompatActivity) getActivity()).getSupportActionBar().setTitle("Create Screenshot");
mCard = root.findViewById(R.id.cardView);
mCard.setOnClickListener(view -> {
takeStkShot();
return root;
}
public void takeStkShot() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
ViewImage.Companion.getScreenShotFromView(mCard,"> > >");
storeImage(bm);
return null;
});
} else {
Bitmap bm = ViewImage.Companion.getScreenShot(mCard);
storeImage(bm);
Log.e("takeStkShot: ",now);
try {
// image naming and path to include sd card appending name you choose for file
String mPath = Environment.getExternalStorageDirectory().toString() + "/" + now + ".jpeg";
// create bitmap screen capture
//View v1 = lyTakeScreenShots.getRootView();
try {
Log.d("ShareImageCreate",Toast.LENGTH_SHORT).show();
} catch (NullPointerException ex) {
ex.printStackTrace();
}
} catch (Throwable e) {
// Several error may come out with file handling or DOM
e.printStackTrace();
}
}
解决方法
请尝试以下方法替代所引用项目中的 ViewImage.kt 。主要更改是传递视图的窗口而不是 Activity 。对话框有自己的窗口，并且不与活动共享窗口。
ViewImage.kt
require 'rails/application_controller'
class HomeController < Rails::ApplicationController
def index
render file: 'app/views/home/index.html'
end
end
我注意到您正在尝试从xml中不存在的'mainRelative'截屏，我认为您应该根据自己的需求使用'cardView'或'mainlinear'的ID。
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