Smarthome App #5: Einstellungs-Bildschirm (1/2)

android:id="@+id/frame"
android:background="@color/layoutBackground"

<!-- TODO: Update blank fragment layout-->
<TextView
	android:layout_width="match_parent"
	android:layout_height="match_parent"
	android:text="Hello blank fragment" />

<android.support.v7.widget.RecyclerView
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/settings_list"></android.support.v7.widget.RecyclerView>

<include
    layout="@layout/loading_animation"
    android:visibility="gone"
    android:id="@+id/loading_animation" />

<ProgressBar
	android:layout_width="150dp"
	android:layout_height="150dp"
	android:indeterminate="true"
	android:layout_centerInParent="true"/>

android:padding="5dp"

<android.support.v7.widget.CardView
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    app:cardElevation="@dimen/cardViewElevation"
    app:cardUseCompatPadding="true"
    android:id="@+id/container">

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="@dimen/recyclerItemHeight">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical"
            android:layout_centerInParent="true"
            android:layout_margin="3dp">

            <ImageView
                android:layout_width="wrap_content"
                android:layout_height="match_parent"
                android:id="@+id/icon"
                android:layout_gravity="center"
                android:layout_weight="2"/>

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="match_parent"
                android:textAppearance="?android:attr/textAppearanceLarge"
                android:id="@+id/name"
                android:layout_gravity="center"
                android:textColor="@color/textColorDark"
                android:gravity="center_vertical|center_horizontal"
                android:layout_weight="3"/>

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="match_parent"
                android:textAppearance="?android:attr/textAppearanceLarge"
                android:id="@+id/value"
                android:layout_gravity="center"
                android:textColor="@color/textColorDark"
                android:gravity="center_vertical|center_horizontal"
                android:layout_weight="3"/>

        </LinearLayout>

    </RelativeLayout>

</android.support.v7.widget.CardView>

//RecyclerView
RecyclerView.Adapter settingsAdapter;
GridLayoutManager glm;
ArrayList<SettingItem> settingItems;
RecyclerView settingArray;

View settingsView;

class SettingItem{
    private String name, type;
    private String value;
    private View.OnClickListener ocl;

    public SettingItem(String name, String type, String value, View.OnClickListener ocl){
        this.name = name;
        this.type = type;
        this.value = value;
        this.ocl = ocl;
    }

    /**
     * Gibt den Namen zurück
     * @return
     */
    public String getName(){
        return name;
    }

    /**
     * Gibt den Typ zurück
     * @return
     */
    public String getType(){
        return type;
    }

    /**
     * Gibt den Wert zurück
     * @return
     */
    public String getValue(){
        return value;
    }

    /**
     * Gibt den OnClickListener zurück
     * @return
     */
    public View.OnClickListener getOnClickListener(){
        return ocl;
    }
}

//Inflate the layout for this fragment
return inflater.inflate(R.layout.fragment_settings, container, false);

// Inflate the layout for this fragment
settingsView = inflater.inflate(R.layout.fragment_settings, container, false);

settingArray = (RecyclerView) settingsView.findViewById(R.id.settings_list);
settingArray.setHasFixedSize(true);
glm = new GridLayoutManager(getContext(), getResources().getInteger(R.integer.grid_columns));
glm.setOrientation(GridLayoutManager.VERTICAL);
settingArray.setLayoutManager(glm);

settingItems = new ArrayList<>();

loadSystemInfo();

return settingsView;

/**
 * Lädt die Server-Infos vom Server herunter und zeigt sie an
 */
public void loadSystemInfo(){
    settingsView.findViewById(R.id.loading_animation).setVisibility(View.VISIBLE);

    final Map<String, String> requestData = new HashMap<>();
    requestData.put("action", "getsysteminfo");
    requestData.put("username", SaveData.getUsername(getContext()));
    requestData.put("password", SaveData.getPassword(getContext()));

    HTTPRequest.sendRequest(getContext(), requestData, SaveData.getServerIp(getContext()), new HTTPRequest.HTTPRequestCallback() {
        @Override
        public void onRequestResult(String result) {
            settingsView.findViewById(R.id.loading_animation).setVisibility(View.GONE);

            //Ergebnis is Log schreiben
            Log.i("GetSystemInfo-Result", result);

            if(result.equals("wrongdata")){
                fehlermeldung("Anmeldung nicht möglich!\nBitte logge dich erneut ein.");
            }
            else if(result.equals("unknownuser")){
                fehlermeldung("Dieser Nutzer existiert nicht!\nBitte logge dich erneut ein.");
            }
            else{
                try{
                    JSONObject jsonObj = null;
                    try{
                        jsonObj = new JSONObject(result);
                    }
                    catch(JSONException e){
                        e.printStackTrace();
                    }

                    JSONArray systemInfo = jsonObj.getJSONArray("systeminfo");

                    for(int i = 0; i < systemInfo.length(); i++){
                        JSONObject o = systemInfo.getJSONObject(i);

                        settingItems.add(new SettingItem(o.getString("name"), o.getString("type"), o.getString("value"), null));
                    }

                    //Statische Menüpunkte
                    settingItems.add(new SettingItem("Szenen", "scenes", "", new View.OnClickListener() {
                        @Override
                        public void onClick(View v) {
                            //Szenen-Verwaltung öffnen
                            fehlermeldung("Szenen-Verwaltung");
                        }
                    }));

                    settingItems.add(new SettingItem("Nutzer", "user", "", new View.OnClickListener(){
                        @Override
                        public void onClick(View v){
                            //Nutzer-Verwaltung öffnen
                            fehlermeldung("Nutzer-Verwaltung");
                        }
                    }));

                    settingItems.add(new SettingItem("Automation", "automation", "", new View.OnClickListener(){
                        @Override
                        public void onClick(View v){
                            //Automations-Verwaltung
                            fehlermeldung("Automations-Verwaltung");
                        }
                    }));

                    //Adapter setzen
                    settingsAdapter = new SettingsAdapter();
                    settingArray.setAdapter(settingsAdapter);
                    settingsAdapter.notifyDataSetChanged();
                }
                catch(Exception e){
                    fehlermeldung("Fehler beim Laden der Systeminformationen");
                }
            }
        }

        @Override
        public void onError(String msg) {
            settingsView.findViewById(R.id.loading_animation).setVisibility(View.GONE);
            fehlermeldung(msg);
        }
    });

}

/**
 * Zeigt übergebene Fehlermeldung an
 * @param msg
 */
public void fehlermeldung(String msg){
    Snackbar.make(settingsView.findViewById(R.id.frame), msg, Snackbar.LENGTH_SHORT).show();
}