Kotlin高仿微信-第23篇-个人信息-二维码名片

实现代码：

<?xml version="1.0" encoding="utf-8"?>
<layout>
<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"
    android:background="@color/wc_base_bg">

    <TextView
        android:id="@+id/qr_title"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="二维码名片"
        android:textSize="22sp"
        android:textColor="@color/black"
        android:layout_marginTop="10dp"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="340dp"
        android:layout_height="440dp"
        android:padding="20dp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/qr_title"
        app:layout_constraintBottom_toBottomOf="parent"
        android:background="@color/white">

        <androidx.appcompat.widget.AppCompatImageView
            android:id="@+id/qr_avatar"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="@drawable/wc_base_icon"/>

        <androidx.appcompat.widget.AppCompatTextView
            android:id="@+id/qr_name"
            app:layout_constraintStart_toEndOf="@+id/qr_avatar"
            app:layout_constraintTop_toTopOf="@+id/qr_avatar"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="4dp"
            android:layout_marginStart="20dp"
            android:textSize="20sp"
            android:textStyle="bold"
            android:textColor="@color/black"
            android:text=""/>

        <androidx.appcompat.widget.AppCompatImageView
            android:id="@+id/qr_result"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/qr_avatar"
            app:layout_constraintBottom_toBottomOf="parent"
            android:layout_width="300dp"
            android:layout_height="300dp"/>


    </androidx.constraintlayout.widget.ConstraintLayout>

</androidx.constraintlayout.widget.ConstraintLayout>
</layout>

/**
 * Author : wangning
 * Email : maoning20080809@163.com
 * Date : 2022/4/21 16:32
 * Description : 生成二维码名片
 */
class QRFragment : BaseDataBindingFragment<WcFragmentPersonalQrBinding>(){

    override fun getLayoutRes() = R.layout.wc_fragment_personal_qr

    private val userViewModel : UserViewModel by viewModels()

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

        var account = DataStoreUtils.getAccount()
        userViewModel.getUserLocal(account)
        userViewModel.userBeanLocal.observe(viewLifecycleOwner){
            qr_name.text = it.nickName

            var avatarUrl = CommonUtils.Base.getReallyImage(it.avatar)
            GlideUtils.load(qr_avatar, avatarUrl)

            var qrCode = CommonUtils.QRCommon.QR_ADD_FRIEND + account+"###"+it.nickName+"###"+it.avatar

            if(!CommonUtils.Base.isJpg(avatarUrl)){
                //不是jpg等图片
                var bitmap = BitmapFactory.decodeResource(WcApp.getContext().resources, R.drawable.wc_avatar_default)
                processResult(qrCode, bitmap)
            } else {
                Glide.with(WcApp.getContext()).asBitmap().load(avatarUrl).into(object : SimpleTarget<Bitmap>(){
                    override fun onResourceReady(resource: Bitmap, transition: Transition<in Bitmap>?) {
                        //加载成功
                        processResult(qrCode, resource)
                    }

                    override fun onLoadFailed(errorDrawable: Drawable?) {
                        super.onLoadFailed(errorDrawable)
                        var bitmap = BitmapFactory.decodeResource(WcApp.getContext().resources, R.drawable.wc_avatar_default)
                        processResult(qrCode, bitmap)
                    }
                })
            }
        }
    }

    private fun processResult(qrCode : String, baseBitmap:Bitmap){
        var bitmap = QRUtils.createQRCode(qrCode, 300, 300, baseBitmap)
        qr_result.setImageBitmap(bitmap)
    }
}