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[英]Android bitmap saving error. saving image is wrong , update gallery after saving image to sd card
[英]Check SD Card after Saving Image (Android)
我的意圖是在完成后將圖像保存到/ sdcard / Aperture。 雖然確實保存了圖像,但保存后不會立即顯示圖像。 可能是什么問題呢? 我嘗試在“活動結果”中使用掃描廣播,但這會導致崩潰,並且不會掃描圖像。
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == SETTINGS_REQUEST && resultCode == Activity.RESULT_OK) {
MediaFragment content = (MediaFragment) getFragmentManager().findFragmentById(com.marlonjones.aperture.R.id.content_frame);
if (content != null) content.reload();
reloadNavDrawerAlbums();
}
if (requestCode == NEW_PICTURE) {
// return from file upload
if (resultCode == Activity.RESULT_OK) {
Uri uri = null;
if (data != null) {
uri = data.getData();
}
if (uri == null && mCameraFileName != null) {
uri = Uri.fromFile(new File(mCameraFileName));
}
}
}
}
final private int REQUEST_CODE_ASK_PERMISSIONS = 123;
int currentapiVersion = android.os.Build.VERSION.SDK_INT;
public void camera(MenuItem menu) {
if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
int hasCameraPermission = checkSelfPermission(Manifest.permission.CAMERA);
if (hasCameraPermission != PackageManager.PERMISSION_GRANTED) {
requestPermissions(new String[]{Manifest.permission.CAMERA},
REQUEST_CODE_ASK_PERMISSIONS);
return;
}
Intent intent = new Intent();
intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
Date date = new Date();
DateFormat df = new SimpleDateFormat("-mm-ss");
String newPicFile = "PH" + df.format(date)+".jpg";
String outPath = "/sdcard/Aperture/" + newPicFile;
File outFile = new File(outPath);
mCameraFileName = outFile.toString();
Uri outuri = Uri.fromFile(outFile);
intent.putExtra(MediaStore.EXTRA_OUTPUT, outuri);
startActivityForResult(intent, NEW_PICTURE);
}
else{
Intent intent = new Intent();
intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
Date date = new Date();
DateFormat df = new SimpleDateFormat("-mm-ss");
String newPicFile = "PH" + df.format(date) + ".jpg";
String outPath = "/sdcard/Aperture/" + newPicFile;
File outFile = new File(outPath);
mCameraFileName = outFile.toString();
Uri outuri = Uri.fromFile(outFile);
intent.putExtra(MediaStore.EXTRA_OUTPUT, outuri);
startActivityForResult(intent, NEW_PICTURE);}
}
我相信某些地方,印象會使用MediaScannerConnection。 這是使用掃描儀意圖的更新版本。 它還會告訴您掃描完成的時間,並為您提供新的URI(如果從媒體數據庫中刪除了文件,則為null)。
MediaScannerConnection.scanFile(this,
new String[] { filePath }, null,
new MediaScannerConnection.OnScanCompletedListener() {
@Override
public void onScanCompleted(String path, Uri uri) {
Log.i("ExternalStorage", "Scanned " + path + ":");
Log.i("ExternalStorage", "-> uri=" + uri);
}
});
掃描完成后,您想重新加載媒體和相冊。
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