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我正在使用以下代碼拍攝照片。令牌圖片將被保存,但設置其URI或位圖不會顯示任何內容。我怎麼解決這個問題?設置ImageView位圖不會顯示任何內容
注意:以下代碼是一些方法和重寫的方法。
public static void takePicture(Activity activity) {
Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
if (takePictureIntent.resolveActivity(activity.getPackageManager()) != null) {
File photoFile = null;
try {
photoFile = Images.createTempFile();
} catch (IOException e) {
Logger.log(activity, e);
}
if (photoFile != null) {
takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT,
Uri.fromFile(photoFile));
activity.startActivityForResult(takePictureIntent, Constants.RequestCodes.IMAGE_CAPTURE);
}
}
}
public static Uri getUriFromFileName(String fileName) {
return Uri.fromFile(new File(fileName));
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == Constants.RequestCodes.IMAGE_CAPTURE && resultCode == RESULT_OK) {
addViewToContainer(Images.getUriFromFileName(Logged.General
.getTempTakePhotoFilePath()));
}
}
private void addViewToContainer(Uri result) {
ImageView imageView = new ImageView(this);
Bitmap bitmap = null;
Uri uri = result == null ? Images.getUriFromFileName(Logged.General
.getTempTakePhotoFilePath()) : result;
try {
bitmap = MediaStore.Images.Media.getBitmap(getApplicationContext()
.getContentResolver(), uri);
} catch (IOException e) {
Logger.log(this, e);
}
imageView.setImageBitmap(bitmap);
FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(LinearLayout.LayoutParams
.MATCH_PARENT,
LinearLayout.LayoutParams.MATCH_PARENT);
imageView.setLayoutParams(params);
imageView.setScaleType(ImageView.ScaleType.FIT_XY);
imageView.setAdjustViewBounds(true);
mContainerLayout.removeAllViews();
mContainerLayout.setForeground(null);
mContainerLayout.addView(imageView);
}
有多少百萬像素是相機?如果相機超過8MP,則手機可能內存不足以將其處理到ImageView上。 – WisdmLabs
@WisdmLabs正是這個原因。謝謝。 – Alireza