Android Open Source - encrypted-camera Bindable Adapter

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From Project

Back to project page encrypted-camera.

License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2013 Jake Wharton//from w  w w .j a v a  2 s .  c o  m
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.andrewreitz.encryptedcamera.ui.adapter;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;

/** From https://github.com/JakeWharton/u2020/blob/master/src/main/java/com/jakewharton/u2020/ui/misc/BindableAdapter.java */
/** An implementation of {@link android.widget.BaseAdapter} which uses the new/bind pattern for its views. */
public abstract class BindableAdapter<T> extends BaseAdapter {
    private final Context context;
    private final LayoutInflater inflater;

    public BindableAdapter(Context context) {
        this.context = context;
        this.inflater = LayoutInflater.from(context);
    }

    public Context getContext() {
        return context;
    }

    @Override public abstract T getItem(int position);

    @Override public final View getView(int position, View view, ViewGroup container) {
        if (view == null) {
            view = newView(inflater, position, container);
            if (view == null) {
                throw new IllegalStateException("newView result must not be null.");
            }
        }
        bindView(getItem(position), position, view);
        return view;
    }

    /** Create a new instance of a view for the specified position. */
    public abstract View newView(LayoutInflater inflater, int position, ViewGroup container);

    /** Bind the data for the specified {@code position} to the view. */
    public abstract void bindView(T item, int position, View view);

    @Override public final View getDropDownView(int position, View view, ViewGroup container) {
        if (view == null) {
            view = newDropDownView(inflater, position, container);
            if (view == null) {
                throw new IllegalStateException("newDropDownView result must not be null.");
            }
        }
        bindDropDownView(getItem(position), position, view);
        return view;
    }

    /** Create a new instance of a drop-down view for the specified position. */
    public View newDropDownView(LayoutInflater inflater, int position, ViewGroup container) {
        return newView(inflater, position, container);
    }

    /** Bind the data for the specified {@code position} to the drop-down view. */
    public void bindDropDownView(T item, int position, View view) {
        bindView(item, position, view);
    }
}

Java Source Code List

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