Question

我的应用程序有问题，相机不适合右侧屏幕的末端，并有一个巨大的黑色条。请帮忙。不包括用于控制摄像机的代码，因为存在太多输出以使堆栈溢出。摄像头的大小主要在布局和AutoFitTextureView.java中。请帮忙。

camera2_basic.xml

    <?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
 >


    <com.technologyfortomorrow.animalyze.AutoFitTextureView
        android:id="@+id/texture"
        android:layout_width="500dp"
        android:layout_height="580dp"
        android:layout_alignParentStart="true"
        android:layout_alignParentTop="true" />


    <Button
        android:id="@+id/picture"
        android:layout_width="75dp"
        android:layout_height="75dp"
        android:layout_gravity="center"
        android:background="@drawable/circle"
        android:layout_marginBottom="18dp"
        android:layout_alignParentBottom="true"
        android:layout_centerHorizontal="true" />

</RelativeLayout>

AutoFitTextureView.java

public class AutoFitTextureView extends TextureView {

    private int mRatioWidth = 0;
    private int mRatioHeight = 0;

    public AutoFitTextureView(Context context) {
        this(context, null);
    }

    public AutoFitTextureView(Context context, AttributeSet attrs) {
        this(context, attrs, 0);
    }

    public AutoFitTextureView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }


    public void setAspectRatio(int width, int height) {
        if (width < 0 || height < 0) {
            throw new IllegalArgumentException("Size cannot be negative.");
        }
        mRatioWidth = width;
        mRatioHeight = height;
        requestLayout();
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
        int width = MeasureSpec.getSize(widthMeasureSpec);
        int height = MeasureSpec.getSize(heightMeasureSpec);
        if (0 == mRatioWidth || 0 == mRatioHeight) {
            setMeasuredDimension(width, height);
        } else {
            if (width < height * mRatioWidth / mRatioHeight) {
                setMeasuredDimension(width, width * mRatioHeight / mRatioWidth);
            } else {
                setMeasuredDimension(height * mRatioWidth / mRatioHeight, height);
            }
        }
    }

}

MainActivity.java

public class MainActivity extends FragmentActivity {
    private CameraCaptureSession mSession;
    private CaptureRequest.Builder mBuilder;
    private CameraDevice mCameraDevice;
    private CameraManager mCameraManager;
    static ViewPager pager;
    Boolean isOn = false;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        if (null == savedInstanceState) {
            getFragmentManager().beginTransaction()
                    .replace(R.id.container, Camera2BasicFragment.newInstance())
                    .commit();
        }



        final Button bearPaw = (Button) findViewById(R.id.bearPaw);
        bearPaw.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(MainActivity.this, NewsFeed.class);
                startActivity(intent);
                overridePendingTransition(R.anim.right_in, R.anim.right_out);

            }
        });

        final Button flashOn = (Button) findViewById(R.id.flah_off);
        flashOn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (isOn) {
                    flashOn.setBackgroundResource(R.drawable.flash_on);
                    turnOnFlashLight();
                } else {
                    flashOn.setBackgroundResource(R.drawable.flah_off);
                    turnOffFlashLight();
                }
                isOn = !isOn;
            }
        });
    }



// Since this is an object collection, use a FragmentStatePagerAdapter,
// and NOT a FragmentPagerAdapter.


    public void turnOnFlashLight() {
        try {
            mBuilder.set(CaptureRequest.FLASH_MODE, CameraMetadata.FLASH_MODE_TORCH);
            mSession.setRepeatingRequest(mBuilder.build(), null, null);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public void turnOffFlashLight() {
        try {
            mBuilder.set(CaptureRequest.FLASH_MODE, CameraMetadata.FLASH_MODE_OFF);
            mSession.setRepeatingRequest(mBuilder.build(), null, null);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    private void close() {
        if (mCameraDevice == null || mSession == null) {
            return;
        }
        mSession.close();
        mCameraDevice.close();
        mCameraDevice = null;
        mSession = null;
    }





    }

Answer 1

尝试将其设置为match_parent而不是500dp：

android:layout_width="match_parent"
android:layout_height="match_parent"

我的应用程序中的相机未填满屏幕

1 个答案: