RTSP player with screen capture

activity_main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/LinearLayout1"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >
    <EditText
        android:id="@+id/editText"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:ems="10"
        android:text="rtsp://mpv.cdn3.bigCDN.com:554/bigCDN/definst/mp4:bigbuckbunnyiphone_400.mp4">
        <requestFocus />
    </EditText>
    <Button
        android:id="@+id/playButton"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Play" />
    <Button
        android:text="save video frame"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/btnCapture" />
    <TextureView
        android:id="@+id/rtspVideo"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:alpha="1"
        tools:foreground="#000" />
</LinearLayout>