将卡片视图转换为图像（位图）
[英]Converting a cardview to an image (bitmap)
问题描述
I have a CardView Layout with some views inside it.
我有一个 CardView 布局，里面有一些视图。 I want to convert that CardView(containing all views inside it) to an image.我想将该 CardView（包含其中的所有视图）转换为图像。
CHECK OUT XML:查看 XML：
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MISC.IdentityCardActivity">
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/white">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/header"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="10dp"
android:text=" "
android:textColor="@color/blacko"
android:textSize="18dp"
android:textStyle="bold" />
<androidx.cardview.widget.CardView
android:id="@+id/cardfront"
android:layout_width="390dp"
android:layout_height="190dp"
android:layout_below="@id/header"
android:layout_centerHorizontal="true"
android:layout_marginLeft="15dp"
android:layout_marginTop="40dp"
android:layout_marginRight="15dp"
app:cardBackgroundColor="@color/ash"
app:cardCornerRadius="10dp"
app:cardElevation="8dp">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="@+id/cardbackgorun"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scaleType="centerCrop"
android:src="@drawable/jeep" />
<TextView
android:id="@+id/heading"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="5dp"
android:fontFamily="@font/creditcard"
android:shadowColor="@color/text_shadow"
android:shadowDx="1"
android:shadowDy="1"
android:shadowRadius="10"
android:text=" RC IDENTITY CARD "
android:textColor="@color/white"
android:textSize="16dp" />
<TextView
android:id="@+id/uid"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/heading"
android:layout_centerInParent="true"
android:layout_marginTop="10dp"
android:fontFamily="@font/oswaldbold"
android:shadowColor="@color/text_shadow"
android:shadowDx="1"
android:shadowDy="1"
android:shadowRadius="10"
android:text="9C1bWbji49W613qVZowsQwMAOH32"
android:textColor="@color/white"
android:textSize="20dp" />
<LinearLayout
android:id="@+id/datesLL"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/uid"
android:layout_centerHorizontal="true"
android:layout_marginTop="5dp"
android:orientation="horizontal">
<TextView
android:id="@+id/validfrom"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fontFamily="@font/creditcard"
android:shadowColor="@color/text_shadow"
android:shadowDx="1"
android:shadowDy="1"
android:shadowRadius="10"
android:text="VALID FROM: "
android:textColor="@color/white"
android:textSize="10dp" />
<TextView
android:id="@+id/validfromdate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fontFamily="@font/creditcard"
android:shadowColor="@color/text_shadow"
android:shadowDx="1"
android:shadowDy="1"
android:shadowRadius="10"
android:text="11/23 "
android:textColor="@color/white"
android:textSize="10dp" />
<TextView
android:id="@+id/validthru"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fontFamily="@font/creditcard"
android:shadowColor="@color/text_shadow"
android:shadowDx="1"
android:shadowDy="1"
android:shadowRadius="10"
android:text="VALID THRU: "
android:textColor="@color/white"
android:textSize="10dp" />
<TextView
android:id="@+id/validthrudate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fontFamily="@font/creditcard"
android:shadowColor="@color/text_shadow"
android:shadowDx="1"
android:shadowDy="1"
android:shadowRadius="10"
android:text="11/35"
android:textColor="@color/white"
android:textSize="10dp" />
</LinearLayout>
<RelativeLayout
android:id="@+id/userRL"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/datesLL"
android:layout_centerHorizontal="true"
android:layout_marginTop="12dp"
android:layout_marginBottom="8dp">
<de.hdodenhof.circleimageview.CircleImageView
android:id="@+id/userimage"
android:layout_width="90dp"
android:layout_height="90dp"
android:layout_centerVertical="true"
android:src="@drawable/def" />
<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_marginLeft="10dp"
android:layout_toRightOf="@id/userimage">
<TextView
android:id="@+id/username"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ellipsize="end"
android:fontFamily="@font/creditcard"
android:maxLines="1"
android:shadowColor="@color/text_shadow"
android:shadowDx="1"
android:shadowDy="1"
android:shadowRadius="10"
android:text="NITHEESH AG"
android:textColor="@color/white" />
<TextView
android:id="@+id/rides"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/username"
android:fontFamily="@font/creditcard"
android:shadowColor="@color/text_shadow"
android:shadowDx="1"
android:shadowDy="1"
android:shadowRadius="10"
android:text="RIDES"
android:textColor="@color/white" />
<TextView
android:id="@+id/vehiclemake"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/rides"
android:ellipsize="end"
android:fontFamily="@font/creditcard"
android:maxLines="1"
android:shadowColor="@color/text_shadow"
android:shadowDx="1"
android:shadowDy="1"
android:shadowRadius="10"
android:text="HONDA"
android:textColor="@color/white" />
<TextView
android:id="@+id/vehiclemodel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/vehiclemake"
android:ellipsize="end"
android:fontFamily="@font/creditcard"
android:maxLines="1"
android:shadowColor="@color/text_shadow"
android:shadowDx="1"
android:shadowDy="1"
android:shadowRadius="10"
android:text="CBR 150R"
android:textColor="@color/white" />
</RelativeLayout>
</RelativeLayout>
</RelativeLayout>
</androidx.cardview.widget.CardView>
<ImageView
android:id="@+id/dummy"
android:layout_width="300dp"
android:layout_height="200dp"
android:layout_below="@id/cardfront"
android:layout_centerHorizontal="true"
android:layout_marginTop="30dp"
android:scaleType="centerCrop" />
</RelativeLayout>
</ScrollView>
</androidx.constraintlayout.widget.ConstraintLayout>
- This layout is a dummy layout for demonstration purpose.此布局是用于演示目的的虚拟布局。
Here, the CardView cardfront , i want to convert that into an image bitmap and i want to show it in ImageView dummy .在这里， CardView卡片正面，我想将其转换为图像 bitmap 并且我想在 ImageView dummy中显示它。
I have checked a lots of, but none of them are working.我检查了很多，但没有一个工作。 And those are also depreciated.而且这些也贬值了。 What are the new ways of achieving it.实现它的新方法是什么。
2 个解决方案
解决方案1
1 2020-04-19 17:33:39
I hope you have tried converting a view to bitmap if not then here is code snippet below try this out and set the bitmap converted into the dummy image view我希望您已尝试将视图转换为 bitmap 如果不是那么这里是下面的代码片段尝试一下并将 bitmap 转换为虚拟图像视图
public static Bitmap getBitmapFromView(View view) {
view.measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED);
Bitmap bitmap = Bitmap.createBitmap(view.getMeasuredWidth(), view.getMeasuredHeight(),
Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
view.layout(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight());
view.draw(canvas);
return bitmap;
}
解决方案2
0 2020-04-19 18:17:39
use the below function to the get bitmap from cardview使用下面的 function 从 cardview 获取 bitmap
protected Bitmap convertToBitmap(CardView view) {
int totalHeight = view.getHeight;
int totalWidth = view.getWidth();
float percent = 0.7f;//use this value to scale bitmap to specific size
Bitmap canvasBitmap = Bitmap.createBitmap(totalWidth,totalHeight, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(canvasBitmap);
canvas.scale(percent, percent);
view.draw(canvas);
return canvasBitmap;
}
use following to set bitmap as imageview background使用以下设置 bitmap 为 imageview 背景
imageview.setImageBitmap(canvasBitmap);
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