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Code Issues Releases Wiki Activity

reduce memory footprint in QrCodeActivity as well

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This commit is contained in:
Vincent Breitmoser 2014-10-09 16:25:38 +02:00
parent a54a0c34fe
commit 9d01490d4e
1 changed files with 16 additions and 3 deletions
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19
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/QrCodeActivity.java
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@ -17,10 +17,12 @@
package org.sufficientlysecure.keychain.ui; package org.sufficientlysecure.keychain.ui;
import android.graphics.Bitmap;
import android.net.Uri; import android.net.Uri;
import android.os.Bundle; import android.os.Bundle;
import android.support.v7.app.ActionBarActivity; import android.support.v7.app.ActionBarActivity;
import android.view.View; import android.view.View;
import android.view.ViewTreeObserver.OnGlobalLayoutListener;
import android.widget.ImageView; import android.widget.ImageView;
import org.sufficientlysecure.keychain.Constants; import org.sufficientlysecure.keychain.Constants;
@ -38,8 +40,6 @@ public class QrCodeActivity extends ActionBarActivity {
private ImageView mFingerprintQrCode; private ImageView mFingerprintQrCode;
private static final int QR_CODE_SIZE = 1000;
@Override @Override
public void onCreate(Bundle savedInstanceState) { public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState); super.onCreate(savedInstanceState);
@ -87,7 +87,20 @@ public class QrCodeActivity extends ActionBarActivity {
String fingerprint = KeyFormattingUtils.convertFingerprintToHex(blob); String fingerprint = KeyFormattingUtils.convertFingerprintToHex(blob);
String qrCodeContent = Constants.FINGERPRINT_SCHEME + ":" + fingerprint; String qrCodeContent = Constants.FINGERPRINT_SCHEME + ":" + fingerprint;
mFingerprintQrCode.setImageBitmap(QrCodeUtils.getQRCodeBitmap(qrCodeContent, QR_CODE_SIZE));
// create a minimal size qr code, we can keep this in ram no problem
final Bitmap qrCode = QrCodeUtils.getQRCodeBitmap(qrCodeContent, 0);
mFingerprintQrCode.getViewTreeObserver().addOnGlobalLayoutListener(
new OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
// create actual bitmap in display dimensions
Bitmap scaled = Bitmap.createScaledBitmap(qrCode,
mFingerprintQrCode.getWidth(), mFingerprintQrCode.getWidth(), false);
mFingerprintQrCode.setImageBitmap(scaled);
}
});
} catch (ProviderHelper.NotFoundException e) { } catch (ProviderHelper.NotFoundException e) {
Log.e(Constants.TAG, "key not found!", e); Log.e(Constants.TAG, "key not found!", e);
Notify.showNotify(this, R.string.error_key_not_found, Style.ERROR); Notify.showNotify(this, R.string.error_key_not_found, Style.ERROR);