SORU
22 Mart 2011, Salı


nasıl surfaceview şeffaf hale getirmek için

Merhaba ben bütün DrawingSurface benim görüşüm şeffaf yapmak istiyorum. birçok şey denedim ama işe yaramıyor.

Burada yüzey görüşüm saydam hale getirmek için xml kodumu

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <FrameLayout
        android:layout_width="fill_parent"
        android:layout_height="fill_parent" >

        <ImageView
            android:id="@ id/imageView1"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:src="@drawable/icon" >
        </ImageView>

        <LinearLayout
            android:id="@ id/linearLayout1"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:background="#00000000" >

            <codewalla.android.drawings.DrawingSurface
                android:id="@ id/drawingSurface"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent" >
            </codewalla.android.drawings.DrawingSurface>
        </LinearLayout>
    </FrameLayout>

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal" >

        <Button
            android:id="@ id/colorRedBtn"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_weight="10"
            android:onClick="onClick"
            android:text="R" />

        <Button
            android:id="@ id/colorBlueBtn"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_weight="10"
            android:onClick="onClick"
            android:text="G" />

        <Button
            android:id="@ id/colorGreenBtn"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_weight="10"
            android:onClick="onClick"
            android:text="B" />

        <Button
            android:id="@ id/undoBtn"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_weight="10"
            android:onClick="onClick"
            android:text="U" />

        <Button
            android:id="@ id/redoBtn"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="10"
            android:onClick="onClick"
            android:text="R" />
    </LinearLayout>

</RelativeLayout>

CEVAP
15 AĞUSTOS 2011, PAZARTESİ


Kurucu: bu deneyin

SurfaceView sfvTrack = (SurfaceView)findViewById(R.id.sfvTrack);
sfvTrack.setZOrderOnTop(true);    // necessary
SurfaceHolder sfhTrackHolder = sfvTrack.getHolder();
sfhTrackHolder.setFormat(PixelFormat.TRANSPARENT);

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