Save Credentials

Now you can save credentials in settings so you don't have to enter them every time

app/src/main/java/info/nerull7/mysqlbrowser/EntriesFragment.java

@@ -6,6 +6,7 @@ import android.content.Context;
 import android.graphics.Canvas;
 import android.graphics.Typeface;
 import android.os.Bundle;
+import android.preference.PreferenceManager;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -61,7 +62,7 @@ public class EntriesFragment extends Fragment implements AsyncDatabaseConnector.
         tableName = getArguments().getString(Static.TABLE_NAME_ARG);
         page = getArguments().getInt(Static.PAGE_ARG);
 
-        entriesLimit = getActivity().getSharedPreferences(SettingsFragment.PREFERENCE_FILE, Context.MODE_PRIVATE).getInt(SettingsFragment.ENTRIES_PAGE_LIMIT, SettingsFragment.ENTRIES_PAGE_LIMIT_DEF);
+        entriesLimit = PreferenceManager.getDefaultSharedPreferences(getActivity()).getInt(SettingsFragment.ENTRIES_PAGE_LIMIT, SettingsFragment.ENTRIES_PAGE_LIMIT_DEF);
     }
 
     private void initViewItems(View rootView){

app/src/main/java/info/nerull7/mysqlbrowser/LoginFragment.java

@@ -2,9 +2,13 @@ package info.nerull7.mysqlbrowser;
 
 import android.app.AlertDialog;
 import android.app.Fragment;
+import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.SharedPreferences;
 import android.os.Bundle;
+import android.preference.Preference;
+import android.preference.PreferenceManager;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -36,10 +40,21 @@ public class LoginFragment extends Fragment implements View.OnClickListener, Asy
         loginTextbox = (EditText) rootView.findViewById(R.id.editLogin);
         passwordTextbox = (EditText) rootView.findViewById(R.id.editPassowrd);
         progressBar = (ProgressBar) rootView.findViewById(R.id.loginProgressBar);
+        processCredentials();
 
         return rootView;
     }
 
+    private void processCredentials() {
+        SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
+
+        if(sharedPreferences.getBoolean(SettingsFragment.SAVE_SERVER_CREDENTIALS, false)){
+            urlTextbox.setText(sharedPreferences.getString(SettingsFragment.URL_CREDENTIALS, null));
+            loginTextbox.setText(sharedPreferences.getString(SettingsFragment.LOGIN_CREDENTIALS, null));
+            passwordTextbox.setText(sharedPreferences.getString(SettingsFragment.PASSWORD_CREDENTIALS, null));
+        }
+    }
+
     @Override
     public void onClick(View view) {
         progressBar.setVisibility(View.VISIBLE);

app/src/main/java/info/nerull7/mysqlbrowser/SettingsFragment.java

@@ -1,9 +1,9 @@
 package info.nerull7.mysqlbrowser;
 
-import android.app.Activity;
-import android.content.Context;
 import android.content.SharedPreferences;
 import android.os.Bundle;
+import android.preference.CheckBoxPreference;
+import android.preference.EditTextPreference;
 import android.preference.Preference;
 import android.preference.PreferenceFragment;
 import android.preference.PreferenceScreen;
@@ -11,9 +11,12 @@ import android.preference.PreferenceScreen;
 /**
  * Created by nerull7 on 18.07.14.
  */
-public class SettingsFragment extends PreferenceFragment implements NumberPickerDialog.OnNumberSetListener {
+public class SettingsFragment extends PreferenceFragment implements NumberPickerDialog.OnNumberSetListener, Preference.OnPreferenceClickListener {
-    public static final String PREFERENCE_FILE = "preferences";
     public static final String ENTRIES_PAGE_LIMIT = "entries_limit";
+    public static final String SAVE_SERVER_CREDENTIALS = "save_credentials_enabled";
+    public static final String URL_CREDENTIALS = "url";
+    public static final String LOGIN_CREDENTIALS = "login";
+    public static final String PASSWORD_CREDENTIALS = "password";
 
     public static final int ENTRIES_PAGE_LIMIT_DEF = 20;
     public static final int ENTRIES_MIN_PAGE = 20;
@@ -21,19 +24,57 @@ public class SettingsFragment extends PreferenceFragment implements NumberPicker
 
     private SharedPreferences preferences;
     private Preference mEntriesLimit;
+    private CheckBoxPreference saveCredentials;
+    private EditTextPreference connectorUrlCredentials;
+    private EditTextPreference loginCredentials;
+    private EditTextPreference passwordCredentials;
 
     @Override
     public void onCreate(Bundle savedInstanceState){
         super.onCreate(savedInstanceState);
-        preferences = getActivity().getSharedPreferences(PREFERENCE_FILE, Context.MODE_PRIVATE);
+        preferences = getPreferenceManager().getDefaultSharedPreferences(getActivity());
+
         loadPrefs();
     }
 
     private void loadPrefs(){
         addPreferencesFromResource(R.xml.settings);
 
+        // Getting fields
         mEntriesLimit = findPreference(ENTRIES_PAGE_LIMIT);
+        saveCredentials = (CheckBoxPreference) findPreference(SAVE_SERVER_CREDENTIALS);
+        connectorUrlCredentials = (EditTextPreference) findPreference(URL_CREDENTIALS);
+        loginCredentials = (EditTextPreference) findPreference(LOGIN_CREDENTIALS);
+        passwordCredentials = (EditTextPreference) findPreference(PASSWORD_CREDENTIALS); // TODO: Some encryption
+
+        // Settings fields
         setEntriesPageLimitSummary();
+
+        // Settings Listener
+        saveCredentials.setOnPreferenceClickListener(this);
+    }
+
+    private void setSaveServerCredentials(boolean isEnabled){
+        SharedPreferences.Editor editor = preferences.edit();
+
+        if(!isEnabled){ // Cleaning Credentials
+            editor.remove(URL_CREDENTIALS);
+            editor.remove(LOGIN_CREDENTIALS);
+            editor.remove(PASSWORD_CREDENTIALS);
+        }
+        editor.putBoolean(SAVE_SERVER_CREDENTIALS, isEnabled);
+        editor.apply();
+        editor.commit();
+
+        if(!isEnabled)
+            reloadLoginPrefsView();
+    }
+
+    private void reloadLoginPrefsView(){ // Update values
+        saveCredentials.setChecked(preferences.getBoolean(SAVE_SERVER_CREDENTIALS, false));
+        connectorUrlCredentials.setText(preferences.getString(URL_CREDENTIALS, null));
+        loginCredentials.setText(preferences.getString(LOGIN_CREDENTIALS, null));
+        passwordCredentials.setText(preferences.getString(PASSWORD_CREDENTIALS, null));;
     }
 
     private int getEntriesPageLimit(){
@@ -60,4 +101,15 @@ public class SettingsFragment extends PreferenceFragment implements NumberPicker
         editor.apply();
         setEntriesPageLimitSummary();
     }
+
+    @Override
+    public boolean onPreferenceClick(Preference preference) {
+        if(preference==saveCredentials){
+            setSaveServerCredentials(saveCredentials.isChecked());
+        }
+        else
+            return false;
+
+        return true;
+    }
 }

app/src/main/res/values/strings.xml

@@ -27,5 +27,8 @@
     <string name="error_no_databases">No available databases</string>
     <string name="action_previous">Previous</string>
     <string name="action_next">Next</string>
+    <string name="login_settings">Login credentials</string>
+    <string name="save_credentials">Save credentials</string>
+    <string name="connector_url">Connector URL</string>
 
 </resources>

app/src/main/res/xml/settings.xml

@@ -9,5 +9,29 @@
             android:summary="@string/entries_summary"
             />
     </PreferenceCategory>
+    <PreferenceCategory
+        android:title="@string/login_settings">
+
+        <CheckBoxPreference
+            android:key="save_credentials_enabled"
+            android:title="@string/save_credentials"/>
+
+        <EditTextPreference
+            android:key="url"
+            android:title="@string/connector_url"
+            android:inputType="textUri"
+            android:dependency="save_credentials_enabled"/>
+
+        <EditTextPreference
+            android:key="login"
+            android:title="@string/username"
+            android:dependency="save_credentials_enabled"/>
+
+        <EditTextPreference
+            android:key="password"
+            android:title="@string/password"
+            android:password="true"
+            android:dependency="save_credentials_enabled"/>
+    </PreferenceCategory>
 
 </PreferenceScreen>