Goods_SearchAty.java

package com.ttj.activity;

import java.util.List;

import lib.view.ViewUtils;
import lib.view.annotation.ViewInject;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;

import com.ttj.MyApplication;
import com.ttj.NetActivity;
import com.ttj.R;
import com.ttj.utils.SPUtils;
import com.ttj.utils.TextUtils;
import com.ttj.utils.ToastUtil;

/**
 * 搜索商品
 * 
 * @author Admin
 * 
 */
public class Goods_SearchAty extends NetActivity {

	@ViewInject(R.id.p2_img_search_back)
	private ImageView imgBack;

	@ViewInject(R.id.p2_edit_search_keys)
	private EditText editKeys;

	@ViewInject(R.id.p2_text_search_btn)
	private TextView textSearch;

	@ViewInject(R.id.p2_text_clean_history)
	private TextView textClean;

	@ViewInject(R.id.p2_list_search_history)
	private ListView listHistory;

	private ArrayAdapter<String> adapter;

	private List<String> list;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		MyApplication.getInstance().addActivity(this);
		setContentView(R.layout.p2_main_search_layout);
		ViewUtils.inject(this);
		imgBack.setOnClickListener(this);
		textSearch.setOnClickListener(this);
		textClean.setOnClickListener(this);
		list = SPUtils.getSearchHis(this);
		adapter = new ArrayAdapter<String>(Goods_SearchAty.this,
				R.layout.simple_list_item, R.id.simple_list_item_textview1,
				list);
		listHistory.setAdapter(adapter);
		listHistory.setOnItemClickListener(new OnItemClickListener() {

			@Override
			public void onItemClick(AdapterView<?> parent, View view,
					int position, long id) {
				Intent intent = new Intent(Goods_SearchAty.this,
						Goods_ListAty.class);
				intent.putExtra("keys", list.get(position));
				startActivity(intent);
			}
		});
	}

	@Override
	protected void onResume() {
		super.onResume();
		editKeys.setText(null);
		list = SPUtils.getSearchHis(this);
		if (list.size() != 0) {
			textClean.setVisibility(View.VISIBLE);
			adapter.clear();
			// adapter.addAll(list);
			for (int i = 0; i < list.size(); i++) {
				adapter.add(list.get(i));
			}
			adapter.notifyDataSetChanged();
		}
	}

	@Override
	public void success(String result, int tag) {

	}

	@Override
	public void onclick(View v) {
		if (v == imgBack) {
			Goods_SearchAty.this.finish();
		} else if (v == textSearch) {
			String keys = editKeys.getText().toString();
			if (TextUtils.isBlank(keys)) {
				ToastUtil.show(this, "食材名称不能为空", 500);
				editKeys.requestFocus();
				return;
			}
			Intent intent = new Intent(this, Goods_ListAty.class);
			intent.putExtra("keys", keys);
			int have = 0;
			for (int i = 0; i < list.size(); i++) {
				if (keys.equals(list.get(i))) {
					have = 1;
					break;
				}
			}
			if (have == 0) {
				list.add(keys);
			}
			SPUtils.saveSearchHis(this, list);
			startActivity(intent);
		} else if (v == textClean) {
			new AlertDialog.Builder(this).setTitle("提醒")
					.setMessage("确认清空历史记录吗？")
					.setNegativeButton("确定", new OnClickListener() {

						@Override
						public void onClick(DialogInterface dialog, int which) {
							list.clear();
							SPUtils.saveSearchHis(Goods_SearchAty.this, list);
							adapter.clear();
							adapter.notifyDataSetChanged();
							textClean.setVisibility(View.GONE);
						}
					}).setPositiveButton("取消", null).create().show();
		}
	}
}