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More jobs on AsyncTask DO NOT MERGE

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This commit is contained in:
Przemek Grondek 2014-08-20 01:30:50 +02:00
parent f691d83fab
commit 697c2e845a
6 changed files with 85 additions and 26 deletions

3
app/src/main/AndroidManifest.xml
View file

@ -39,4 +39,7 @@
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
</manifest>

9
app/src/main/java/info/nerull7/mysqlbrowser/DatabaseFragment.java
View file

@ -24,11 +24,12 @@ import info.nerull7.mysqlbrowser.db.AsyncDatabaseConnector;
*
* Fragment for showing list of Available Databases for user
*/
public class DatabaseFragment extends Fragment implements AdapterView.OnItemClickListener, AsyncDatabaseConnector.ListReturnListener {
public class DatabaseFragment extends Fragment implements AdapterView.OnItemClickListener, AsyncDatabaseConnector.ListReturnListener, AsyncDatabaseConnector.OnPostExecuteListener {
private ListView databasesListView;
private ListAdapter listAdapter;
private RelativeLayout rootView;
private ProgressBar progressBar;
private List<String> databases;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState){
@ -39,6 +40,7 @@ public class DatabaseFragment extends Fragment implements AdapterView.OnItemClic
progressBar = (ProgressBar) rootView.findViewById(R.id.loginProgressBar);
Static.asyncDatabaseConnector.setListReturnListener(this);
Static.asyncDatabaseConnector.setOnPostExecuteListener(this);
Static.asyncDatabaseConnector.getDatabases();
return rootView;
}
@ -60,6 +62,11 @@ public class DatabaseFragment extends Fragment implements AdapterView.OnItemClic
@Override
public void onListReturn(List<String> databases) {
this.databases = databases;
}
@Override
public void onPostExecute() {
if(databases!= null) {
listAdapter = new ArrayAdapter<String>(getActivity(), android.R.layout.simple_list_item_1, databases);
databasesListView.setAdapter(listAdapter);

34
app/src/main/java/info/nerull7/mysqlbrowser/EntriesFragment.java
View file

@ -31,7 +31,7 @@ import info.nerull7.mysqlbrowser.db.AsyncDatabaseConnector;
*
* Fragment for showing elements
*/
public class EntriesFragment extends Fragment implements AsyncDatabaseConnector.MatrixReturnListener, AsyncDatabaseConnector.ListReturnListener, AsyncDatabaseConnector.IntegerReturnListener, View.OnClickListener {
public class EntriesFragment extends Fragment implements AsyncDatabaseConnector.MatrixReturnListener, AsyncDatabaseConnector.ListReturnListener, AsyncDatabaseConnector.IntegerReturnListener, View.OnClickListener, AsyncDatabaseConnector.OnPostExecuteListener {
private static final int HEADER_PADDING_TOP = 15;
private static final int HEADER_PADDING_BOTTOM = 15;
private static final int HEADER_PADDING_LEFT = 15;
@ -57,7 +57,10 @@ public class EntriesFragment extends Fragment implements AsyncDatabaseConnector.
private CustomScrollView fakeScrollView;
private View dummyView;
private int onPostExecuteListenerExecuted;
private Menu menu;
private TableRow headerRow;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
@ -70,6 +73,8 @@ public class EntriesFragment extends Fragment implements AsyncDatabaseConnector.
Static.asyncDatabaseConnector.setIntegerReturnListener(this);
Static.asyncDatabaseConnector.setListReturnListener(this);
Static.asyncDatabaseConnector.setMatrixReturnListener(this);
Static.asyncDatabaseConnector.setOnPostExecuteListener(this);
onPostExecuteListenerExecuted = 0;
Static.asyncDatabaseConnector.getFields(tableName);
Static.asyncDatabaseConnector.getEntriesCount(tableName);
@ -203,9 +208,6 @@ public class EntriesFragment extends Fragment implements AsyncDatabaseConnector.
newRow.setClickable(true);
newRow.setOnClickListener(this);
entriesTable.addView(newRow);
syncWidths();
fakeScroll();
}
} else {
TextView errorMessage = new TextView(getActivity());
@ -223,7 +225,6 @@ public class EntriesFragment extends Fragment implements AsyncDatabaseConnector.
@Override
public void onListReturn(List<String> fieldList) {
// First we need header
TableRow headerRow;
headerRow = new TableRow(getActivity());
headerRow.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT, TableRow.LayoutParams.WRAP_CONTENT));
rowCount = fieldList.size();
@ -236,7 +237,6 @@ public class EntriesFragment extends Fragment implements AsyncDatabaseConnector.
textView.setPadding(HEADER_PADDING_LEFT, HEADER_PADDING_TOP, HEADER_PADDING_RIGHT, HEADER_PADDING_BOTTOM);
headerRow.addView(textView);
}
headerFrame.addView(headerRow);
Static.asyncDatabaseConnector.getRows(tableName, entriesLimit, page);
}
@ -246,12 +246,15 @@ public class EntriesFragment extends Fragment implements AsyncDatabaseConnector.
pageCount = result/entriesLimit;
if( result%entriesLimit > 0)
pageCount++;
setHasOptionsMenu(true);
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
setHasOptionsMenu(true);
}
});
}
private void syncWidths(){ // TODO: Merge with adding columns maybe? Loops -= 3 should be quicker
TableRow headerRow = (TableRow) headerFrame.getChildAt(0);
int maxWidth[]= new int[headerRow.getChildCount()];
for(int i=0;i<headerRow.getChildCount();i++){
TextView textView = (TextView) headerRow.getChildAt(i);
@ -280,8 +283,8 @@ public class EntriesFragment extends Fragment implements AsyncDatabaseConnector.
tmpHeader.setWidth(maxWidth[i]);
}
headerFrame.setVisibility(View.VISIBLE);
entriesTable.setVisibility(View.VISIBLE);
// headerFrame.setVisibility(View.VISIBLE);
// entriesTable.setVisibility(View.VISIBLE);
}
private void fakeScroll(){
@ -311,4 +314,13 @@ public class EntriesFragment extends Fragment implements AsyncDatabaseConnector.
intent.putStringArrayListExtra(ElementFragment.EDIT_LIST, values);
startActivity(intent);
}
@Override
public void onPostExecute() {
if(++onPostExecuteListenerExecuted==3){
headerFrame.addView(headerRow);
syncWidths();
fakeScroll();
}
}
}

10
app/src/main/java/info/nerull7/mysqlbrowser/LoginFragment.java
View file

@ -19,7 +19,7 @@ import info.nerull7.mysqlbrowser.db.AsyncDatabaseConnector;
*
* Fragment for login
*/
public class LoginFragment extends Fragment implements View.OnClickListener, AsyncDatabaseConnector.BooleanReturnListener {
public class LoginFragment extends Fragment implements View.OnClickListener, AsyncDatabaseConnector.BooleanReturnListener, AsyncDatabaseConnector.OnPostExecuteListener {
private EditText urlTextbox;
private EditText loginTextbox;
private EditText passwordTextbox;
@ -86,6 +86,7 @@ public class LoginFragment extends Fragment implements View.OnClickListener, Asy
if(Static.isNetworkConnected(getActivity())) {
asyncDatabaseConnector = new AsyncDatabaseConnector(login, password, url);
asyncDatabaseConnector.setBooleanReturnListener(this);
asyncDatabaseConnector.setOnPostExecuteListener(this);
asyncDatabaseConnector.checkLogin();
} else {
Static.showErrorAlert(getResources().getString(R.string.no_connection), getActivity());
@ -105,9 +106,12 @@ public class LoginFragment extends Fragment implements View.OnClickListener, Asy
else {
Static.showErrorAlert(AsyncDatabaseConnector.errorMsg, getActivity());
}
loginButton.setEnabled(true); // Now we can click button again
progressBar.setVisibility(View.INVISIBLE);
}
@Override
public void onPostExecute() {
loginButton.setEnabled(true); // Now we can click button again
progressBar.setVisibility(View.INVISIBLE);
}
}

9
app/src/main/java/info/nerull7/mysqlbrowser/TableFragment.java
View file

@ -22,12 +22,13 @@ import info.nerull7.mysqlbrowser.db.AsyncDatabaseConnector;
/**
* Created by nerull7 on 14.07.14.
*/
public class TableFragment extends Fragment implements AdapterView.OnItemClickListener, AsyncDatabaseConnector.ListReturnListener{
public class TableFragment extends Fragment implements AdapterView.OnItemClickListener, AsyncDatabaseConnector.ListReturnListener, AsyncDatabaseConnector.OnPostExecuteListener {
private String databaseName;
private ListView tablesList;
private ListAdapter listAdapter;
private RelativeLayout rootView;
private ProgressBar progressBar;
private List<String> tables;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
@ -38,6 +39,7 @@ public class TableFragment extends Fragment implements AdapterView.OnItemClickLi
this.rootView = (RelativeLayout) rootView;
progressBar = (ProgressBar) rootView.findViewById(R.id.loginProgressBar);
Static.asyncDatabaseConnector.setListReturnListener(this);
Static.asyncDatabaseConnector.setOnPostExecuteListener(this);
Static.asyncDatabaseConnector.getTables();
return rootView;
}
@ -59,6 +61,11 @@ public class TableFragment extends Fragment implements AdapterView.OnItemClickLi
@Override
public void onListReturn(List<String> tables) {
this.tables = tables;
}
@Override
public void onPostExecute() {
if(tables != null) {
listAdapter = new ArrayAdapter<String>(getActivity(),android.R.layout.simple_list_item_1, tables);
tablesList.setAdapter(listAdapter);

46
app/src/main/java/info/nerull7/mysqlbrowser/db/AsyncDatabaseConnector.java
View file

@ -45,6 +45,7 @@ public class AsyncDatabaseConnector {
private MatrixReturnListener matrixReturnListener;
public static String errorMsg;
private OnPostExecuteListener onPostExecuteListener;
public AsyncDatabaseConnector(String login, String password, String url){
this.login = login;
@ -99,10 +100,18 @@ public class AsyncDatabaseConnector {
try {
list = parseListFromJSON(data);
} catch (JSONException e) { e.printStackTrace(); }
if(listReturnListener!=null)
listReturnListener.onListReturn(list);
if(listReturnListener!=null) {
final List<String> finalList = list;
// new Thread(new Runnable() {
// @Override
// public void run() {
listReturnListener.onListReturn(finalList);
//
// }
// }).run();
}
}
});
}, onPostExecuteListener);
downloader.execute(urlQuery);
}
@ -117,7 +126,7 @@ public class AsyncDatabaseConnector {
if(matrixReturnListener!=null)
matrixReturnListener.onMatrixReturn(list);
}
});
}, onPostExecuteListener);
downloader.execute(urlQuery);
}
@ -161,7 +170,7 @@ public class AsyncDatabaseConnector {
booleanReturnListener.onBooleanReturn(listenerData);
}
});
}, onPostExecuteListener);
downloader.execute(actionUrlBuilder(ACTION_LOGIN));
return false;
}
@ -224,7 +233,7 @@ public class AsyncDatabaseConnector {
if(integerReturnListener!=null)
integerReturnListener.onIntegerReturn(Integer.parseInt(data));
}
});
}, onPostExecuteListener);
downloader.execute(urlQuery);
}
@ -278,7 +287,7 @@ public class AsyncDatabaseConnector {
stringReturnListener.onStringReturn(data);
}
}
});
}, onPostExecuteListener);
downloader.execute(request);
}
@ -302,6 +311,10 @@ public class AsyncDatabaseConnector {
this.matrixReturnListener = matrixReturnListener;
}
public void setOnPostExecuteListener(OnPostExecuteListener onPostExecuteListener){
this.onPostExecuteListener = onPostExecuteListener;
}
public static interface BooleanReturnListener{
public void onBooleanReturn(boolean result);
}
@ -322,16 +335,22 @@ public class AsyncDatabaseConnector {
public void onMatrixReturn(List<List<String>> data);
}
public static interface OnPostExecuteListener {
void onPostExecute();
}
private static class Downloader extends AsyncTask<String, Void, String> {
private OnFinishedListener onFinishedListener;
private OnPostExecuteListener onPostExecuteListener;
private String errorString;
public static final String CONNECTION_REQUEST_METHOD = "GET";
public static final int CONNECTION_TIMEOUT = 15000;
public static final int READ_TIMEOUT = 10000;
Downloader(OnFinishedListener onFinishedListener){
Downloader(OnFinishedListener onFinishedListener, OnPostExecuteListener onPostExecuteListener){
this.onFinishedListener = onFinishedListener;
this.onPostExecuteListener = onPostExecuteListener;
errorString = null;
}
@ -385,7 +404,8 @@ public class AsyncDatabaseConnector {
@Override
protected String doInBackground(String... strings) {
try {
return httpRequest(strings[0]);
String data = httpRequest(strings[0]);
onFinishedListener.onFinished(data, errorMsg); // Can't be null cos we demand listener in constructor
} catch (IOException e) {
e.printStackTrace();
}
@ -394,11 +414,17 @@ public class AsyncDatabaseConnector {
@Override
protected void onPostExecute(String data) {
onFinishedListener.onFinished(data, errorString); // Can't be null cos we demand listener in constructor
if (onPostExecuteListener!=null)
onPostExecuteListener.onPostExecute();
}
public void setOnPostExecuteListener(OnPostExecuteListener onPostExecuteListener) {
this.onPostExecuteListener = onPostExecuteListener;
}
private static interface OnFinishedListener {
void onFinished(String data, String error);
}
}
}