/** 获得验证码图片 */
private void getVerifyCodeImg() {
ImageRequest request =
new ImageRequest(
Constant.RequestURL.VERIFY_URL,
new Response.Listener<Bitmap>() {
@Override
public void onResponse(Bitmap bitmap) {
// 缩放 bitmap
Matrix matrix = new Matrix();
matrix.postScale(3f, 3f);
Bitmap newBitmap =
Bitmap.createBitmap(
bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
// 成功获得验证码图片后显示
mImgVerifyCode.setImageBitmap(newBitmap);
}
},
0,
0,
Bitmap.Config.RGB_565,
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError volleyError) {
// 图片获取失败提示
Toast.makeText(LoginActivity.this, "验证码获取失败，请检查网络", Toast.LENGTH_SHORT).show();
}
}) {
// 获得 Cookies
@Override
protected Response<Bitmap> parseNetworkResponse(NetworkResponse response) {
Map<String, String> responseHeaders = response.headers;
GlobalVar.cookie = responseHeaders.get("Set-Cookie");
return super.parseNetworkResponse(response);
}
};
request.setTag("VerifyCodeImage Request");
MyApplication.getQueues().add(request);
}
public void requestImage(final ImageView niv, final String imgUrl) {
ImageRequest request =
new ImageRequest(
imgUrl,
new Response.Listener<Bitmap>() {
@Override
public void onResponse(Bitmap bm) {
niv.setImageBitmap(bm);
niv.invalidate();
}
},
0,
0,
Bitmap.Config.ARGB_8888,
new Response.ErrorListener() {
public void onErrorResponse(VolleyError volleyError) {
volleyError.printStackTrace();
}
});
request.setTag(Constants.IMAGE_TAG);
VolleyApp.getRequestQueue().add(request);
}