安卓简单调用相机

public class BActivity extends AppCompatActivity implements View.OnClickListener {
    private ImageView iv1;
    private Button btnpz;


    public BActivity() {
    }


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_b);
        btnpz= (Button) findViewById(R.id.btnpz);
        iv1= (ImageView) findViewById(R.id.iv1);
//        View view=View.inflate(R.layout.activity_b)
        btnpz.setOnClickListener(this);
    }


    @Override
    public void onClick(View v) {
        Intent intent=new Intent();
        intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
        startActivityForResult(intent,1);
    }


    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode==1&&resultCode==RESULT_OK){
            Bundle bundle=data.getExtras();
            Bitmap bitmap=(Bitmap) bundle.get("data");
            iv1.setImageBitmap(bitmap);
        }
    }
}