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Code Issues Packages Projects Releases Wiki Activity

Moved callback handler to background thread

This commit is contained in:
daniel oeh 2012-07-18 13:20:00 +02:00
parent 664a6ccf8c
commit 8957642cee
4 changed files with 98 additions and 20 deletions
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1
res/values/strings.xml
View File

@ -123,5 +123,6 @@
<string name="published_prefix">Published:\u0020</string>
<string name="length_prefix">Length:\u0020</string>
<string name="size_prefix">Size:\u0020</string>
<string name="processing_label">Processing</string>
</resources>

18
src/de/danoeh/antennapod/activity/FlattrAuthActivity.java
View File

@ -25,10 +25,13 @@ public class FlattrAuthActivity extends SherlockActivity {
private TextView txtvExplanation;
private Button butAuthenticate;
private Button butReturn;
private static FlattrAuthActivity singleton;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
singleton = this;
Log.d(TAG, "Activity created");
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
setContentView(R.layout.flattr_auth);
@ -55,6 +58,10 @@ public class FlattrAuthActivity extends SherlockActivity {
}
});
}
public static FlattrAuthActivity getInstance() {
return singleton;
}
@Override
protected void onResume() {
@ -63,18 +70,11 @@ public class FlattrAuthActivity extends SherlockActivity {
Uri uri = getIntent().getData();
if (uri != null) {
Log.d(TAG, "Received uri");
try {
if (FlattrUtils.handleCallback(uri) != null) {
handleAuthenticationSuccess();
Log.d(TAG, "Authentication seemed to be successful");
}
} catch (FlattrException e) {
e.printStackTrace();
}
FlattrUtils.handleCallback(this, uri);
}
}
private void handleAuthenticationSuccess() {
public void handleAuthenticationSuccess() {
txtvExplanation.setText(R.string.flattr_auth_success);
butAuthenticate.setEnabled(false);
butReturn.setVisibility(View.VISIBLE);

82
src/de/danoeh/antennapod/asynctask/FlattrTokenFetcher.java Normal file
View File

@ -0,0 +1,82 @@
package de.danoeh.antennapod.asynctask;
import org.shredzone.flattr4j.exception.FlattrException;
import org.shredzone.flattr4j.oauth.AccessToken;
import org.shredzone.flattr4j.oauth.AndroidAuthenticator;
import android.app.ProgressDialog;
import android.content.Context;
import android.net.Uri;
import android.os.AsyncTask;
import android.util.Log;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.activity.FlattrAuthActivity;
import de.danoeh.antennapod.util.FlattrUtils;
/** Fetches the access token in the background in order to avoid networkOnMainThread exception. */
public class FlattrTokenFetcher extends AsyncTask<Void, Void, AccessToken> {
private static final String TAG = "FlattrTokenFetcher";
Context context;
AndroidAuthenticator auth;
AccessToken token;
Uri uri;
ProgressDialog dialog;
FlattrException exception;
public FlattrTokenFetcher(Context context, AndroidAuthenticator auth, Uri uri) {
super();
this.context = context;
this.auth = auth;
this.uri = uri;
}
@Override
protected void onPostExecute(AccessToken result) {
super.onPostExecute(result);
dialog.dismiss();
if (exception == null) {
FlattrAuthActivity instance = FlattrAuthActivity.getInstance();
if (instance != null) {
instance.handleAuthenticationSuccess();
} else {
Log.e(TAG, "FlattrAuthActivity instance was null");
}
} else {
FlattrUtils.showErrorDialog(context, exception.getMessage());
}
}
@Override
protected void onPreExecute() {
super.onPreExecute();
dialog = new ProgressDialog(context);
dialog.setMessage(context.getString(R.string.processing_label));
dialog.setIndeterminate(true);
dialog.setCancelable(false);
dialog.show();
}
@Override
protected AccessToken doInBackground(Void... params) {
try {
token = auth.fetchAccessToken(uri);
} catch (FlattrException e) {
e.printStackTrace();
exception = e;
return null;
}
if (token != null) {
Log.d(TAG, "Successfully got token");
FlattrUtils.storeToken(token);
return token;
} else {
Log.w(TAG, "Flattr token was null");
return null;
}
}
}

17
src/de/danoeh/antennapod/util/FlattrUtils.java
View File

@ -11,6 +11,7 @@ import org.shredzone.flattr4j.oauth.Scope;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
@ -23,6 +24,7 @@ import android.util.Log;
import android.widget.Toast;
import de.danoeh.antennapod.PodcastApp;
import de.danoeh.antennapod.activity.FlattrAuthActivity;
import de.danoeh.antennapod.asynctask.FlattrTokenFetcher;
import de.danoeh.antennapod.R;
/** Utility methods for doing something with flattr. */
@ -69,7 +71,7 @@ public class FlattrUtils {
}
/** Stores the token as a preference */
private static void storeToken(AccessToken token) {
public static void storeToken(AccessToken token) {
Log.d(TAG, "Storing token");
SharedPreferences.Editor editor = PreferenceManager
.getDefaultSharedPreferences(PodcastApp.getInstance()).edit();
@ -97,17 +99,9 @@ public class FlattrUtils {
}
}
public static AccessToken handleCallback(Uri uri) throws FlattrException {
public static void handleCallback(Context context, Uri uri) {
AndroidAuthenticator auth = createAuthenticator();
AccessToken token = auth.fetchAccessToken(uri);
if (token != null) {
Log.d(TAG, "Successfully got token");
storeToken(token);
return token;
} else {
Log.w(TAG, "Flattr token was null");
return null;
}
new FlattrTokenFetcher(context, auth, uri).execute();
}
public static void revokeAccessToken(Context context) {
@ -204,5 +198,6 @@ public class FlattrUtils {
});
builder.create().show();
}
}