Example usage for android.database CursorWrapper CursorWrapper

Introduction

In this page you can find the example usage for android.database CursorWrapper CursorWrapper.

Prototype

public CursorWrapper(Cursor cursor) 

Source Link

Document

Creates a cursor wrapper.

Usage

From source file:sms.spam.NewSmsActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.new_sms_layout);

    final AutoCompleteTextView autocompleteContact = (AutoCompleteTextView) findViewById(
            R.id.autocompleteContact);//from  w  ww .j  a  v  a2s . c om
    contactsCursorAdapter = new SimpleCursorAdapter(this, R.layout.autocomplete, null,
            new String[] { ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME,
                    ContactsContract.CommonDataKinds.Phone.NUMBER },
            new int[] { R.id.autocompleteText, R.id.autocompleteNumber }, 0);

    final ContactsLoader loader = new ContactsLoader(this);
    getSupportLoaderManager().initLoader(ContactsLoader.CONTACTS, null, loader);
    getSupportLoaderManager().initLoader(ContactsLoader.NUMBERS, null, loader);

    contactsCursorAdapter.setFilterQueryProvider(new FilterQueryProvider() {
        @Override
        public Cursor runQuery(final CharSequence constraint) {
            if (getSupportLoaderManager().hasRunningLoaders()) {
                return null;
            }

            return new CursorWrapper(loader.getCursor(ContactsLoader.NUMBERS)) {
                int pos, count;
                int[] indexes;

                {
                    this.pos = 0;
                    if (!constraint.equals("")) {
                        this.indexes = new int[super.getCount()];
                        this.count = 0;
                        for (int i = 0, j = 0; i < super.getCount(); ++i) {
                            super.moveToPosition(i);
                            if (super.getString(0).contains(constraint)
                                    || super.getString(1).contains(constraint)) {
                                this.indexes[j++] = i;
                                this.count++;
                            }
                        }
                    } else {
                        this.count = super.getCount();
                        this.indexes = new int[this.count];
                        for (int i = 0; i < count; ++i) {
                            this.indexes[i] = i;
                        }
                    }
                }

                @Override
                public boolean move(int offset) {
                    return this.moveToPosition(this.pos + offset);
                }

                @Override
                public boolean moveToNext() {
                    return this.moveToPosition(this.pos + 1);
                }

                @Override
                public boolean moveToPrevious() {
                    return this.moveToPosition(this.pos - 1);
                }

                @Override
                public boolean moveToFirst() {
                    return this.moveToPosition(0);
                }

                @Override
                public boolean moveToLast() {
                    return this.moveToPosition(this.count - 1);
                }

                @Override
                public boolean moveToPosition(int position) {
                    if (position < 0 || position >= count) {
                        return false;
                    }
                    this.pos = indexes[position];
                    return super.moveToPosition(this.pos);
                }

                @Override
                public int getCount() {
                    return this.count;
                }

                @Override
                public int getPosition() {
                    return this.pos;
                }

                @Override
                public void close() {
                }
            };
        }
    });

    autocompleteContact.setAdapter(contactsCursorAdapter);
    autocompleteContact.setOnItemClickListener(new AdapterView.OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> adapter, View view, int index, long id) {
            Cursor cursor = (Cursor) adapter.getItemAtPosition(index);
            autocompleteContact.setText(cursor.getString(1));
        }
    });
    //        autocompleteContact.setAdapter(new ArrayAdapter<String>
    //        (this, R.layout.autocomplete, new String[] {"alfa", "beta", "gamma"}));
}

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