ImageLoaderActivity.java

/*
 * Copyright 2013 Peng fei Pan
 * 
 * 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 me.xiaopan.android.examples.activity.other;

import me.xiaopan.android.examples.MyBaseListActivity;
import me.xiaopan.android.examples.R;
import me.xiaopan.android.examples.adapter.ImageAdapter;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

/**
 * 图片加载器界面
 */
public class ImageLoaderActivity extends MyBaseListActivity {
	private ImageAdapter imageAdapter;
	private Button button;
	
	@Override
	public void onInitLayout(Bundle savedInstanceState) {
		setContentView(R.layout.activity_image_loader);
		button = (Button) findViewById(R.id.imageLoader_button);
	}

	@Override
	public void onInitListener(Bundle savedInstanceState) {
		button.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				handleButton(!((Boolean) button.getTag()));
				imageAdapter.notifyDataSetChanged();
			}
		});
	}

	@Override
	public void onInitData(Bundle savedInstanceState) {
		getListView().setAdapter(imageAdapter = new ImageAdapter(getBaseContext()));
		handleButton(true);
	}
	
	private void handleButton(boolean isFull){
		button.setTag(isFull);
		imageAdapter.setFull((Boolean) button.getTag());
		if((Boolean) button.getTag()){
			button.setText("变少");
		}else{
			button.setText("变多");
		}
	}
}