FileDocCategorySizeDatePackage
EnterURL.javaAPI DocAndroid 1.5 API9950Wed May 06 22:41:08 BST 2009com.android.development

EnterURL

public class EnterURL extends android.app.ListActivity

Fields Summary
private static final int
DATABASE_VERSION
View.OnClickListener
mViewItemAction
MenuItem.OnMenuItemClickListener
mClearBookmarks
private ArrayList
mHistory
private UrlEditText
mUrlField
private DisplayEditText
mDisplayField
private android.database.Cursor
mCursor
Constructors Summary
Methods Summary
private voidfillListView()


      
    
        loadPrefs();
        ArrayList<HashMap<String, String>> d = new ArrayList<HashMap<String, String>>();
        int count = mHistory.size();
        for (int i=0; i<count; i++) {
            HashMap<String, String> m = new HashMap<String, String>();
            HistoryEntry he = mHistory.get(i);
            m.put("title", he.url + " (" + he.display + ")");
            d.add(m);
        }
        setListAdapter(new SimpleAdapter(this, d, R.layout.url_list,
                                         new String[] {"title"},
                                         new int[] {android.R.id.text1}));
    
private voidloadPrefs()

        SQLiteDatabase db = openDB();
        Cursor c = db.query("History",
                            new String[] { "url", "display", "lastAccessTime" },
                            null, null, null, null, "lastAccessTime DESC");
        int urlCol = c.getColumnIndex("url");
        int accessCol = c.getColumnIndex("lastAccessTime");
        int displayCol = c.getColumnIndex("display");
        mHistory.clear();
        while (c.moveToNext()) {
            HistoryEntry he = new HistoryEntry();
            he.url = c.getString(urlCol);
            he.display = c.getString(displayCol);
            he.lastAccessTime = c.getString(accessCol);
            mHistory.add(he);
        }

        c = db.query("FieldState", null, null, null, null, null, null);
        if (c.moveToNext()) {
            urlCol = c.getColumnIndex("url");
            displayCol = c.getColumnIndex("display");
            mUrlField.setText(c.getString(urlCol));
            mDisplayField.setText(c.getString(displayCol));
        } else {
            mDisplayField.setText("_id");
            mUrlField.setText("content://");
        }

        db.close();
    
public voidonCreate(android.os.Bundle icicle)


       
    
        super.onCreate(icicle);
        setContentView(R.layout.enter_url);

        // display
        mDisplayField = (DisplayEditText)findViewById(R.id.display_edit_text);
        mDisplayField.setOnClickListener(mViewItemAction);
        // url
        mUrlField = (UrlEditText)findViewById(R.id.url_edit_text);
        mUrlField.setOnClickListener(mViewItemAction);
    
public booleanonCreateOptionsMenu(android.view.Menu menu)

        super.onCreateOptionsMenu(menu);
        menu.add(0, 0, 0, "Clear Bookmarks").setOnMenuItemClickListener(mClearBookmarks);
        return true;
    
public android.view.ViewonCreateView(java.lang.String name, android.content.Context context, android.util.AttributeSet attrs)

        if (name.equals("com.android.development.UrlEditText")) {
            return new UrlEditText(this, attrs);
        }
        if (name.equals("com.android.development.DisplayEditText")) {
            return new DisplayEditText(this, attrs);
        }
        return null;
    
protected voidonListItemClick(android.widget.ListView l, android.view.View v, int position, long id)

        HistoryEntry he = mHistory.get(position);
        viewItem(he.url, he.display);
    
public voidonResume()

        super.onResume();

        // show the history
        loadPrefs();
        fillListView();
        if (mHistory.size() > 0) {
            ListView lv = this.getListView();
            lv.setSelection(0);
            lv.requestFocus();
        }
    
public voidonStop()

        super.onStop();

        if (mCursor != null) {
            mCursor.deactivate();
        }
    
android.database.sqlite.SQLiteDatabaseopenDB()

        SQLiteDatabase db = null;
        db = openOrCreateDatabase("inspector.db", 0, null);
        int version = db.getVersion();
        if (version != DATABASE_VERSION) {
            db.execSQL("CREATE TABLE History ("
                        + " url TEXT,"
                        + " display TEXT,"
                        + " lastAccessTime TEXT"
                        + ");");
            db.execSQL("CREATE TABLE FieldState ("
                        + " url TEXT,"
                        + " display TEXT"
                        + ");");
            db.setVersion(DATABASE_VERSION);
        }
        return db;
    
private voidsavePrefs()

        ContentValues m;
        HistoryEntry he;

        SQLiteDatabase db = openDB();
        db.execSQL("DELETE FROM History;");
        int count = mHistory.size();
        for (int i=0; i<count; i++) {
            m = new ContentValues();
            he = mHistory.get(i);
            m.put("url", he.url);
            m.put("display", he.display);
            m.put("lastAccessTime", he.lastAccessTime);
            db.insert("History", null, m);
        }

        db.execSQL("DELETE FROM FieldState");
        m = new ContentValues();
        m.put("url", mUrlField.getText().toString());
        m.put("display", mDisplayField.getText().toString());
        db.insert("FieldState", null, m);

        db.close();
    
private final voidviewItem(java.lang.String url, java.lang.String display)

        // -------------- save this in the history ----------------
        // look in the history
        int count = mHistory.size();
        int i;
        for (i=0; i<count; i++) {
            HistoryEntry he = mHistory.get(i);
            if (he.url.equals(url) && he.display.equals(display)) {
                he.updateAccessTime();
                mHistory.remove(i);
                mHistory.add(0, he);
                break;
            }
        }
        if (i >= count) {
            // didn't find it, add it first
            HistoryEntry he = new HistoryEntry();
            he.url = url;
            he.display = display;
            he.updateAccessTime();
            mHistory.add(0, he);
        }

        savePrefs();

        // -------------- view it ---------------------------------
        Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
        intent.setClass(this, DataList.class);
        intent.putExtra("display", display);
        startActivity(intent);