Java tutorial
/* * Copyright (C) 2013 Andreas Stuetz <andreas.stuetz@gmail.com> * * 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.emotiona.study.listviewpage; 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.support.v4.app.Fragment; import android.util.TypedValue; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.BaseAdapter; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast; import com.emotiona.study.R; import com.emotiona.study.widget.swipelist.SwipeMenu; import com.emotiona.study.widget.swipelist.SwipeMenuCreator; import com.emotiona.study.widget.swipelist.SwipeMenuItem; import com.emotiona.study.widget.swipelist.SwipeMenuListView; import java.util.List; public class SwipeMenuListViewFragment extends Fragment { private static final String ARG_POSITION = "position"; private int position; private SwipeMenuListView mListView; private List<ApplicationInfo> mAppList; private AppAdapter mAdapter; private View convertView; public static SwipeMenuListViewFragment newInstance(int position) { SwipeMenuListViewFragment f = new SwipeMenuListViewFragment(); Bundle b = new Bundle(); b.putInt(ARG_POSITION, position); f.setArguments(b); return f; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); position = getArguments().getInt(ARG_POSITION); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { convertView = inflater.inflate(R.layout.fragment_swiperlistview, container, false); mListView = (SwipeMenuListView) convertView.findViewById(R.id.listView); initData(); return convertView; } private void initData() { mAppList = getActivity().getPackageManager().getInstalledApplications(0); mAdapter = new AppAdapter(); mListView.setAdapter(mAdapter); // step 1. create a MenuCreator SwipeMenuCreator creator = new SwipeMenuCreator() { @Override public void create(SwipeMenu menu) { // create "open" item SwipeMenuItem openItem = new SwipeMenuItem(getActivity()); // 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); openItem.setIcon(android.R.drawable.ic_menu_add); // add to menu menu.addMenuItem(openItem); // create "delete" item SwipeMenuItem deleteItem = new SwipeMenuItem(getActivity()); // set item background deleteItem.setBackground(new ColorDrawable(Color.rgb(0xF9, 0x3F, 0x25))); // set item width deleteItem.setWidth(dp2px(90)); // set a icon deleteItem.setIcon(android.R.drawable.ic_delete); // add to menu menu.addMenuItem(deleteItem); } }; // set creator mListView.setMenuCreator(creator); // step 2. listener item click event mListView.setOnMenuItemClickListener(new SwipeMenuListView.OnMenuItemClickListener() { @Override public boolean 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; } return false; } }); // set SwipeListener mListView.setOnSwipeListener(new SwipeMenuListView.OnSwipeListener() { @Override public void onSwipeStart(int position) { // swipe start } @Override public void onSwipeEnd(int position) { // swipe end } }); // set MenuStateChangeListener mListView.setOnMenuStateChangeListener(new SwipeMenuListView.OnMenuStateChangeListener() { @Override public void onMenuOpen(int position) { } @Override public void onMenuClose(int position) { } }); // other setting // listView.setCloseInterpolator(new BounceInterpolator()); // test item long click mListView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() { @Override public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) { Toast.makeText(getActivity(), position + " long click", Toast.LENGTH_SHORT).show(); return false; } }); } private int dp2px(int dp) { return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, getResources().getDisplayMetrics()); } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { inflater.inflate(R.menu.list_menu, menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { int id = item.getItemId(); if (id == R.id.action_left) { mListView.setSwipeDirection(SwipeMenuListView.DIRECTION_LEFT); return true; } if (id == R.id.action_right) { mListView.setSwipeDirection(SwipeMenuListView.DIRECTION_RIGHT); return true; } return super.onOptionsItemSelected(item); } 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 = getActivity().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 class AppAdapter extends BaseAdapter { @Override public int getCount() { return mAppList.size(); } @Override public ApplicationInfo getItem(int position) { return mAppList.get(position); } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { if (convertView == null) { convertView = View.inflate(getActivity(), R.layout.item_swipemenulist, null); new ViewHolder(convertView); } ViewHolder holder = (ViewHolder) convertView.getTag(); ApplicationInfo item = getItem(position); holder.iv_icon.setImageDrawable(item.loadIcon(getActivity().getPackageManager())); holder.tv_name.setText(item.loadLabel(getActivity().getPackageManager())); holder.iv_icon.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Toast.makeText(getActivity(), "iv_icon_click", Toast.LENGTH_SHORT).show(); } }); holder.tv_name.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Toast.makeText(getActivity(), "iv_icon_click", Toast.LENGTH_SHORT).show(); } }); return convertView; } class ViewHolder { ImageView iv_icon; TextView tv_name; public ViewHolder(View view) { iv_icon = (ImageView) view.findViewById(R.id.iv_icon); tv_name = (TextView) view.findViewById(R.id.tv_name); view.setTag(this); } } public boolean getSwipEnableByPosition(int position) { if (position % 2 == 0) { return false; } return true; } } }