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App picker can be further simplified

Browse source 
git-svn-id: https://zxing.googlecode.com/svn/trunk@2617 59b500cc-1b3d-0410-9834-0bbf25fbcc57
This commit is contained in:
srowen@gmail.com 2013-04-01 10:38:10 +00:00
parent ac23123ebf
commit 7f111e76f4
2 changed files with 10 additions and 16 deletions
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15
android/src/com/google/zxing/client/android/share/AppPickerActivity.java
View file

@ -20,32 +20,26 @@ import android.app.ListActivity;
import android.content.Intent;
import android.provider.Browser;
import android.view.View;
import android.widget.ListAdapter;
import android.widget.ListView;
import com.google.zxing.client.android.common.executor.AsyncTaskExecInterface;
import com.google.zxing.client.android.common.executor.AsyncTaskExecManager;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public final class AppPickerActivity extends ListActivity {
private final List<AppInfo> labelsPackages;
private LoadPackagesAsyncTask backgroundTask;
private final AsyncTaskExecInterface taskExec;
public AppPickerActivity() {
labelsPackages = Collections.synchronizedList(new ArrayList<AppInfo>());
taskExec = new AsyncTaskExecManager().build();
}
@Override
protected void onResume() {
super.onResume();
labelsPackages.clear();
backgroundTask = new LoadPackagesAsyncTask(this);
taskExec.execute(backgroundTask, labelsPackages);
taskExec.execute(backgroundTask);
}
@Override
@ -60,8 +54,9 @@ public final class AppPickerActivity extends ListActivity {
@Override
protected void onListItemClick(ListView l, View view, int position, long id) {
if (position >= 0 && position < labelsPackages.size()) {
String packageName = labelsPackages.get(position).getPackageName();
ListAdapter adapter = getListAdapter();
if (position >= 0 && position < adapter.getCount()) {
String packageName = ((AppInfo) adapter.getItem(position)).getPackageName();
Intent intent = new Intent();
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
intent.putExtra(Browser.BookmarkColumns.URL, "market://details?id=" + packageName);

9
android/src/com/google/zxing/client/android/share/LoadPackagesAsyncTask.java
View file

@ -28,6 +28,7 @@ import android.widget.ImageView;
import android.widget.ListAdapter;
import com.google.zxing.client.android.R;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
@ -36,7 +37,7 @@ import java.util.List;
*
* @author Sean Owen
*/
final class LoadPackagesAsyncTask extends AsyncTask<List<AppInfo>,Object,List<AppInfo>> {
final class LoadPackagesAsyncTask extends AsyncTask<Void,Void,List<AppInfo>> {
private static final String[] PKG_PREFIX_WHITELIST = {
"com.google.android.apps.",
@ -55,8 +56,8 @@ final class LoadPackagesAsyncTask extends AsyncTask<List<AppInfo>,Object,List<Ap
}
@Override
protected List<AppInfo> doInBackground(List<AppInfo>... objects) {
List<AppInfo> labelsPackages = objects[0];
protected List<AppInfo> doInBackground(Void... objects) {
List<AppInfo> labelsPackages = new ArrayList<AppInfo>();
PackageManager packageManager = activity.getPackageManager();
List<ApplicationInfo> appInfos = packageManager.getInstalledApplications(0);
for (ApplicationInfo appInfo : appInfos) {
@ -69,9 +70,7 @@ final class LoadPackagesAsyncTask extends AsyncTask<List<AppInfo>,Object,List<Ap
}
}
}
synchronized (labelsPackages) {
Collections.sort(labelsPackages);
}
return labelsPackages;
}