Android相机位图内存泄漏

Question

我编写了一个简单的代码来拍摄照片，然后使用 ImageView 将其显示到屏幕上。但是，有一些内存泄漏，我没有发现。 (拍照后内存从7MB变成39MB)

public class MainActivity extends Activity {

    public String gl;
    ImageView viewImage;
    Button b;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        b = (Button) findViewById(R.id.myButton);
        viewImage = (ImageView) findViewById(R.id.myImageView);
    }

    public void launchCamera(View view) {//Button onClick method
        Intent i = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        File f = new File(android.os.Environment.getExternalStorageDirectory(), "temp.jpg");
        gl = f.getAbsolutePath();
        i.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(f));
        startActivityForResult(i, 1);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode == 1 && resultCode == RESULT_OK) {
            Bitmap bitmap;
            BitmapFactory.Options bitmapOptions = new BitmapFactory.Options();
            bitmap = BitmapFactory.decodeFile(gl, bitmapOptions);
            viewImage.setImageBitmap(bitmap);
        }
    }
}

Answer 1

这是链接:

https://stackoverflow.com/a/32245332/3702862

我在其中给出了从 Camera 拍摄照片然后将其显示在 ImageView 中的有效方法。

希望对你有帮助。