小编use*_*323的帖子

我试图简单地改变TextureView的背景颜色.我希望通过半透明相机预览可以看到这种颜色.出于某种原因,它没有.如果我从onSurfaceTextureAvailable完全删除相机预览,则视图保持白色(或无法看到).有任何想法吗？我正在尝试实现一个有时包含相机预览的TextureView框,其他时候是我选择的简单颜色.谢谢.

import android.graphics.Color;
import android.graphics.SurfaceTexture;
import android.hardware.Camera;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.Surface;
import android.view.TextureView;
import android.widget.FrameLayout;
import android.widget.RelativeLayout;

import java.io.IOException;

public class MainActivity extends Activity {

    private TextureView mTextureView;
    FrameLayout screenFrame;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        screenFrame = (FrameLayout)findViewById(R.id.screenFrame);

        setVideoScreens();
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    private void setVideoScreens()
    {
        final …