account selecton on start, moving api to 8, display info about emtpy dir

AndroidManifest.xml

@@ -16,7 +16,7 @@
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
 
     <uses-sdk
-        android:minSdkVersion="7"
+        android:minSdkVersion="8"
         android:targetSdkVersion="13" />
 
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" >

src/eu/alefzero/owncloud/datamodel/FileDataStorageManager.java

@@ -164,7 +164,7 @@ public class FileDataStorageManager implements DataStorageManager {
   }
 
   public Vector<OCFile> getDirectoryContent(OCFile f) {
-    if (f.isDirectory() && f.getFileId() != -1) {
+    if (f != null && f.isDirectory() && f.getFileId() != -1) {
       Vector<OCFile> ret = new Vector<OCFile>();
 
       Uri req_uri = Uri.withAppendedPath(

src/eu/alefzero/owncloud/ui/activity/AuthenticatorActivity.java

@@ -60,7 +60,7 @@ public class AuthenticatorActivity extends AccountAuthenticatorActivity {
     public static final String PARAM_HOSTNAME = "param_Hostname";
 
     public AuthenticatorActivity() {
-      mUseSSLConnection = false;
+      mUseSSLConnection = true;
     }
     
     @Override

src/eu/alefzero/owncloud/ui/activity/FileDisplayActivity.java

@@ -59,11 +59,12 @@ import eu.alefzero.webdav.WebdavClient;
  */
 
 public class FileDisplayActivity extends SherlockFragmentActivity implements
-		OnNavigationListener {
+		OnNavigationListener, OnClickListener {
 	private ArrayAdapter<String> mDirectories;
 	private DataStorageManager mStorageManager;
 
-	private static final int DIALOG_CHOOSE_ACCOUNT = 0;
+	private static final int DIALOG_SETUP_ACCOUNT = 0;
+	private static final int DIALOG_CREATE_DIR = 1;
 
 	public void pushPath(String path) {
 		mDirectories.insert(path, 0);
@@ -75,8 +76,22 @@ public class FileDisplayActivity extends SherlockFragmentActivity implements
 	}
 
 	@Override
-	protected Dialog onCreateDialog(int id, Bundle args) {
-		final AlertDialog.Builder builder = new Builder(this);
+  protected Dialog onCreateDialog(int id) {
+    Dialog dialog;
+    AlertDialog.Builder builder;
+    switch(id){
+    case DIALOG_SETUP_ACCOUNT:
+      builder = new AlertDialog.Builder(this);
+      builder.setTitle(R.string.main_tit_accsetup);
+      builder.setMessage(R.string.main_wrn_accsetup);
+      builder.setCancelable(false);
+      builder.setPositiveButton(R.string.common_ok, this);
+      builder.setNegativeButton(R.string.common_cancel, this);
+      dialog = builder.create();
+      break;
+    case DIALOG_CREATE_DIR:
+    {
+      builder = new Builder(this);
       final EditText dirName = new EditText(getBaseContext());
       final Account a = AuthUtils.getCurrentOwnCloudAccount(this);
       builder.setView(dirName);
@@ -114,12 +129,22 @@ public class FileDisplayActivity extends SherlockFragmentActivity implements
               dialog.cancel();
             }
           });
-		return builder.create();
+    }
+    default: 
+      dialog = null;
+    }
+      
+    return dialog;
   }
 
 	@Override
 	public void onCreate(Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
+		if(!accountsAreSetup()){
+      showDialog(DIALOG_SETUP_ACCOUNT);
+      return;
+    }
+
 		mDirectories = new CustomArrayAdapter<String>(this,
 				R.layout.sherlock_spinner_dropdown_item);
 		mDirectories.add("/");
@@ -141,7 +166,7 @@ public class FileDisplayActivity extends SherlockFragmentActivity implements
 			break;
 		}
 		case R.id.createDirectoryItem: {
-			showDialog(0);
+			showDialog(DIALOG_CREATE_DIR);
 			break;
 		}
 		case android.R.id.home: {
@@ -164,16 +189,6 @@ public class FileDisplayActivity extends SherlockFragmentActivity implements
 				.onNavigateUp();
 	}
 
-	@Override
-	protected Dialog onCreateDialog(int id) {
-		switch (id) {
-		case DIALOG_CHOOSE_ACCOUNT:
-			return createChooseAccountDialog();
-		default:
-			throw new IllegalArgumentException("Unknown dialog id: " + id);
-		}
-	}
-
 	@Override
 	public boolean onCreateOptionsMenu(Menu menu) {
 		MenuInflater inflater = getSherlock().getMenuInflater();
@@ -181,33 +196,30 @@ public class FileDisplayActivity extends SherlockFragmentActivity implements
 		return true;
 	}
 
-	private Dialog createChooseAccountDialog() {
-		final AccountManager accMan = AccountManager.get(this);
-		CharSequence[] items = new CharSequence[accMan
-				.getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE).length];
-		int i = 0;
-		for (Account a : accMan
-				.getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE)) {
-			items[i++] = a.name;
+	 @Override
+	  protected void onRestoreInstanceState(Bundle savedInstanceState) {
+	    super.onRestoreInstanceState(savedInstanceState);
+	    // Check, if there are ownCloud accounts
+	    if(!accountsAreSetup()){
+	      showDialog(DIALOG_SETUP_ACCOUNT);
+	    }
 	  }
 	 
-		AlertDialog.Builder builder = new AlertDialog.Builder(this);
-		builder.setTitle(R.string.common_choose_account);
-		builder.setCancelable(true);
-		builder.setItems(items, new DialogInterface.OnClickListener() {
-			public void onClick(DialogInterface dialog, int item) {
-				// mAccount =
-				// accMan.getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE)[item];
-				dialog.dismiss();
+	 @Override
+	  protected void onStart() {
+	    super.onStart();
+	    // Check, if there are ownCloud accounts
+	    if(!accountsAreSetup()){
+	      showDialog(DIALOG_SETUP_ACCOUNT);
 	    }
-		});
-		builder.setOnCancelListener(new OnCancelListener() {
-			public void onCancel(DialogInterface dialog) {
-				FileDisplayActivity.this.finish();
 	 }
-		});
-		AlertDialog alert = builder.create();
-		return alert;
+	    
+	 @Override
+	protected void onResume() {
+	  super.onResume();
+	  if(!accountsAreSetup()){
+      showDialog(DIALOG_SETUP_ACCOUNT);
+    }
 	}
 	    
 	@Override
@@ -278,4 +290,35 @@ public class FileDisplayActivity extends SherlockFragmentActivity implements
 
 		
 	}
+
+	 public void onClick(DialogInterface dialog, int which) {
+	    // In any case - we won't need it anymore
+	    dialog.dismiss();
+	    switch(which){
+	    case DialogInterface.BUTTON_POSITIVE:
+	      Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
+	      intent.putExtra("authorities",
+	          new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
+	      startActivity(intent);
+	      break;
+	    case DialogInterface.BUTTON_NEGATIVE:
+	      finish();
+	    }
+	    
+	  }
+	
+	/**
+   * Checks, whether or not there are any ownCloud accounts 
+   * setup. 
+   *  
+   * @return true, if there is at least one account.
+   */
+  private boolean accountsAreSetup() {
+    AccountManager accMan = AccountManager.get(this);
+    Account[] accounts = accMan
+        .getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE); 
+    return accounts.length > 0;
+  }
+  
+  
 }

src/eu/alefzero/owncloud/ui/fragment/FileListFragment.java

@@ -26,6 +26,7 @@ import android.os.Bundle;
 import android.util.Log;
 import android.view.View;
 import android.widget.AdapterView;
+import android.widget.Toast;
 import eu.alefzero.owncloud.R;
 import eu.alefzero.owncloud.authenticator.AuthUtils;
 import eu.alefzero.owncloud.datamodel.DataStorageManager;
@@ -109,6 +110,9 @@ public class FileListFragment extends FragmentListView {
     mStorageManager = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
     OCFile file = mStorageManager.getFileByPath(s);
     mFiles = mStorageManager.getDirectoryContent(file);
+    if (mFiles == null || mFiles.size() == 0) {
+      Toast.makeText(getActivity(), "There are no files here", Toast.LENGTH_LONG).show();
+    }
     setListAdapter(new FileListListAdapter(file, mStorageManager, getActivity()));
   }