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Code Issues Releases Wiki Activity

Load QR Code asynchronously and with a fade in animation

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This commit is contained in:
Dominik Schürmann 2014-07-27 20:58:25 +02:00
parent 57d9c7a013
commit 0f87b81158
1 changed files with 41 additions and 5 deletions
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46
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyShareFragment.java
View File

@ -19,8 +19,16 @@ package org.sufficientlysecure.keychain.ui;
import android.annotation.TargetApi;
import android.content.Intent;
import android.content.res.Resources;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.TransitionDrawable;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import android.provider.Settings;
@ -152,7 +160,7 @@ public class ViewKeyShareFragment extends LoaderFragment implements
KeyRings.buildUnifiedKeyRingUri(dataUri),
Keys.FINGERPRINT, ProviderHelper.FIELD_TYPE_BLOB);
String fingerprint = PgpKeyHelper.convertFingerprintToHex(data);
if(!toClipboard){
if (!toClipboard) {
content = Constants.FINGERPRINT_SCHEME + ":" + fingerprint;
} else {
content = fingerprint;
@ -292,10 +300,7 @@ public class ViewKeyShareFragment extends LoaderFragment implements
String fingerprint = PgpKeyHelper.convertFingerprintToHex(fingerprintBlob);
mFingerprint.setText(PgpKeyHelper.colorizeFingerprint(fingerprint));
String qrCodeContent = Constants.FINGERPRINT_SCHEME + ":" + fingerprint;
mFingerprintQrCode.setImageBitmap(
QrCodeUtils.getQRCodeBitmap(qrCodeContent, QR_CODE_SIZE)
);
loadQrCode(fingerprint);
break;
}
@ -311,4 +316,35 @@ public class ViewKeyShareFragment extends LoaderFragment implements
*/
public void onLoaderReset(Loader<Cursor> loader) {
}
/**
* Load QR Code asynchronously and with a fade in animation
*
* @param fingerprint
*/
private void loadQrCode(final String fingerprint) {
AsyncTask<Void, Void, Bitmap> loadTask =
new AsyncTask<Void, Void, Bitmap>() {
protected Bitmap doInBackground(Void... unused) {
String qrCodeContent = Constants.FINGERPRINT_SCHEME + ":" + fingerprint;
return QrCodeUtils.getQRCodeBitmap(qrCodeContent, QR_CODE_SIZE);
}
protected void onPostExecute(Bitmap qrCode) {
mFingerprintQrCode.setImageBitmap(qrCode);
// Transition drawable with a transparent drawable and the final bitmap
final TransitionDrawable td =
new TransitionDrawable(new Drawable[]{
new ColorDrawable(Color.TRANSPARENT),
new BitmapDrawable(getResources(), qrCode)
});
mFingerprintQrCode.setImageDrawable(td);
td.startTransition(200);
}
};
loadTask.execute();
}
}