实例介绍
【实例简介】
【实例截图】
【核心代码】
package edu.swu.pulltorefreshswipemenulistviewsample;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import java.util.Locale;
import android.app.Activity;
import android.content.ComponentName;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.ResolveInfo;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.util.TypedValue;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.Toast;
import cn.swu.pulltorefreshswipemenulistviewsample.R;
import edu.swu.pulltorefreshswipemenulistview.library.PullToRefreshSwipeMenuListView;
import edu.swu.pulltorefreshswipemenulistview.library.pulltorefresh.interfaces.IXListViewListener;
import edu.swu.pulltorefreshswipemenulistview.library.swipemenu.bean.SwipeMenu;
import edu.swu.pulltorefreshswipemenulistview.library.swipemenu.bean.SwipeMenuItem;
import edu.swu.pulltorefreshswipemenulistview.library.swipemenu.interfaces.OnMenuItemClickListener;
import edu.swu.pulltorefreshswipemenulistview.library.swipemenu.interfaces.OnSwipeListener;
import edu.swu.pulltorefreshswipemenulistview.library.swipemenu.interfaces.SwipeMenuCreator;
import edu.swu.pulltorefreshswipemenulistview.library.util.RefreshTime;
public class MainActivity extends Activity implements IXListViewListener {
private List<ApplicationInfo> mAppList;
private AppAdapter mAdapter;
private PullToRefreshSwipeMenuListView mListView;
private Handler mHandler;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_list);
mAppList = getPackageManager().getInstalledApplications(0);
mListView = (PullToRefreshSwipeMenuListView) findViewById(R.id.listView);
mAdapter = new AppAdapter(getApplicationContext(), getPackageManager(), mAppList);
mListView.setAdapter(mAdapter);
mListView.setPullRefreshEnable(true);
mListView.setPullLoadEnable(true);
mListView.setXListViewListener(this);
mHandler = new Handler();
// step 1. create a MenuCreator
SwipeMenuCreator creator = new SwipeMenuCreator() {
@Override
public void create(SwipeMenu menu) {
// create "open" item
SwipeMenuItem openItem = new SwipeMenuItem(getApplicationContext());
// set item background
openItem.setBackground(new ColorDrawable(Color.rgb(0xC9, 0xC9, 0xCE)));
// set item width
openItem.setWidth(dp2px(90));
// set item title
openItem.setTitle("Open");
// set item title fontsize
openItem.setTitleSize(18);
// set item title font color
openItem.setTitleColor(Color.WHITE);
// add to menu
menu.addMenuItem(openItem);
// create "delete" item
SwipeMenuItem deleteItem = new SwipeMenuItem(getApplicationContext());
// set item background
deleteItem.setBackground(new ColorDrawable(Color.rgb(0xF9, 0x3F, 0x25)));
// set item width
deleteItem.setWidth(dp2px(90));
// set a icon
deleteItem.setIcon(R.drawable.ic_delete);
// add to menu
menu.addMenuItem(deleteItem);
}
};
// set creator
mListView.setMenuCreator(creator);
// step 2. listener item click event
mListView.setOnMenuItemClickListener(new OnMenuItemClickListener() {
@Override
public void onMenuItemClick(int position, SwipeMenu menu, int index) {
ApplicationInfo item = mAppList.get(position);
switch (index) {
case 0:
// open
open(item);
break;
case 1:
// delete
// delete(item);
mAppList.remove(position);
mAdapter.notifyDataSetChanged();
break;
}
}
});
// set SwipeListener
mListView.setOnSwipeListener(new OnSwipeListener() {
@Override
public void onSwipeStart(int position) {
// swipe start
}
@Override
public void onSwipeEnd(int position) {
// swipe end
}
});
// other setting
// listView.setCloseInterpolator(new BounceInterpolator());
// test item long click
mListView.setOnItemLongClickListener(new OnItemLongClickListener() {
@Override
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
Toast.makeText(getApplicationContext(), position " long click", Toast.LENGTH_SHORT).show();
return false;
}
});
}
private void onLoad() {
mListView.setRefreshTime(RefreshTime.getRefreshTime(getApplicationContext()));
mListView.stopRefresh();
mListView.stopLoadMore();
}
public void onRefresh() {
mHandler.postDelayed(new Runnable() {
@Override
public void run() {
SimpleDateFormat df = new SimpleDateFormat("MM-dd HH:mm", Locale.getDefault());
RefreshTime.setRefreshTime(getApplicationContext(), df.format(new Date()));
onLoad();
}
}, 2000);
}
public void onLoadMore() {
mHandler.postDelayed(new Runnable() {
@Override
public void run() {
onLoad();
}
}, 2000);
}
private void delete(ApplicationInfo item) {
// delete app
try {
Intent intent = new Intent(Intent.ACTION_DELETE);
intent.setData(Uri.fromParts("package", item.packageName, null));
startActivity(intent);
} catch (Exception e) {
}
}
private void open(ApplicationInfo item) {
// open app
Intent resolveIntent = new Intent(Intent.ACTION_MAIN, null);
resolveIntent.addCategory(Intent.CATEGORY_LAUNCHER);
resolveIntent.setPackage(item.packageName);
List<ResolveInfo> resolveInfoList = getPackageManager().queryIntentActivities(resolveIntent, 0);
if (resolveInfoList != null && resolveInfoList.size() > 0) {
ResolveInfo resolveInfo = resolveInfoList.get(0);
String activityPackageName = resolveInfo.activityInfo.packageName;
String className = resolveInfo.activityInfo.name;
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_LAUNCHER);
ComponentName componentName = new ComponentName(activityPackageName, className);
intent.setComponent(componentName);
startActivity(intent);
}
}
private int dp2px(int dp) {
return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, getResources().getDisplayMetrics());
}
}
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