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android-bitmap低质量问题

我刚刚创建了一些函数来从相机拍摄照片并将结果图像放入imageview.而我发现我的拍摄质量非常糟糕.

以下是一些代码:

 @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (requestCode == CAMERA_REQUEST && resultCode == RESULT_OK) {
            Bitmap photo = (Bitmap) data.getExtras().get("data");
            picture.setImageBitmap(photo);
        }
    }

View.OnClickListener camerabtnlistener = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent cameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
            startActivityForResult(cameraIntent, CAMERA_REQUEST);
        }
    };


@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_admin_help_3);
        btnPicture = (Button) findViewById(R.id.btnPicture);
        picture= (ImageView) findViewById(R.id.picture);
        mToolbar = (Toolbar) findViewById(R.id.toolbar);
        layoutPic = (RelativeLayout) findViewById(R.id.layoutPic);
        setSupportActionBar(mToolbar);

        getSupportActionBar().setDisplayOptions(ActionBar.DISPLAY_SHOW_HOME, ActionBar.DISPLAY_SHOW_CUSTOM);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setHomeButtonEnabled(true);

        btnPicture.setOnClickListener(camerabtnlistener);

    } …
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java xml android bitmap

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