How To Add Redline In Camera Preview

Im trying to customize my camera in my project android scanner, where i can put red line in the middle of my camera and make my background transparent. mycurrent camera layout: I

Solution 1:

A simple way by playing with views.

just replace below code with your layout-xml file.

<?xml version="1.0" encoding="utf-8"?><LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"android:id="@+id/layout"android:layout_width="match_parent"android:layout_height="match_parent"android:background="#1A237E"android:orientation="vertical"android:weightSum="1"tools:context="com.example.administrator.myapplication.CameraTestActivity"><LinearLayoutandroid:layout_width="match_parent"android:layout_height="20dp"android:layout_gravity="center"android:background="@android:color/transparent"android:orientation="horizontal"android:weightSum="1"></LinearLayout><Buttonandroid:id="@+id/button"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_gravity="right"android:background="#1A237E"android:text="Help"android:textColor="#ffff"android:textSize="15sp"android:textStyle="italic" /><TextViewandroid:id="@+id/textView8"android:layout_width="match_parent"android:layout_height="wrap_content"android:layout_weight="0.07"android:text="ASEC MOBILE SCANNER"android:textAlignment="center"android:textColor="#ffff"android:textSize="30sp"android:textStyle="bold"></TextView><TextViewandroid:id="@+id/scanText"android:layout_width="match_parent"android:layout_height="50dp"android:layout_weight="0.07"android:text="Scanning..."android:textAlignment="center"android:textColor="#ffff"android:textSize="30sp"></TextView><RelativeLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:layout_gravity="center"android:gravity="center"><FrameLayoutandroid:id="@+id/cameraPreview"android:layout_width="294dp"android:layout_height="307dp" /><Viewandroid:layout_width="294dp"android:layout_height="1dp"android:layout_centerVertical="true"android:background="#ff0000" /></RelativeLayout>