com.guoxiaoxing.cloud.music.ui.activity.LocalSearchActivity.java Source code

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Here is the source code for com.guoxiaoxing.cloud.music.ui.activity.LocalSearchActivity.java

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/*
 * Copyright (C) 2015 Naman Dwivedi
 *
 * Licensed under the GNU General Public License v3
 *
 * This is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 */

package com.guoxiaoxing.cloud.music.ui.activity;

import android.content.Context;
import android.os.Bundle;
import android.support.v4.view.MenuItemCompat;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.SearchView;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.inputmethod.InputMethodManager;

import com.guoxiaoxing.cloud.music.R;
import com.guoxiaoxing.cloud.music.adapter.SearchAdapter;
import com.guoxiaoxing.cloud.music.model.info.MusicInfo;
import com.guoxiaoxing.cloud.music.provider.SearchHistory;
import com.guoxiaoxing.cloud.music.uitl.CommonUtils;
import com.guoxiaoxing.cloud.music.uitl.SearchUtils;

import java.util.ArrayList;
import java.util.List;

public class LocalSearchActivity extends AppCompatActivity
        implements SearchView.OnQueryTextListener, View.OnTouchListener {

    private SearchView mSearchView;
    private InputMethodManager mImm;
    private String queryString;

    private SearchAdapter adapter;
    private RecyclerView recyclerView;

    private List<MusicInfo> searchResults = new ArrayList<>();

    @Override
    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_local_search);

        Toolbar toolbar = (Toolbar) findViewById(R.id.activity_main_toolbar);
        toolbar.setPadding(0, CommonUtils.getStatusHeight(this), 0, 0);
        setSupportActionBar(toolbar);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);

        //        SystemBarTintManager tintManager = new SystemBarTintManager(this);
        //        // enable status bar tint
        //        tintManager.setStatusBarTintEnabled(true);
        //        // enable navigation bar tint
        //        tintManager.setNavigationBarTintEnabled(true);

        mImm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);

        recyclerView = (RecyclerView) findViewById(R.id.recyclerview);
        recyclerView.setLayoutManager(new LinearLayoutManager(this));
        recyclerView.setHasFixedSize(true);
        adapter = new SearchAdapter(this);
        recyclerView.setAdapter(adapter);
    }

    @Override
    public boolean onCreateOptionsMenu(final Menu menu) {

        getMenuInflater().inflate(R.menu.menu_search, menu);

        mSearchView = (SearchView) MenuItemCompat.getActionView(menu.findItem(R.id.menu_search));

        mSearchView.setOnQueryTextListener(this);
        mSearchView.setQueryHint(getResources().getString(R.string.search_local_music));

        mSearchView.setIconifiedByDefault(false);
        mSearchView.setIconified(false);

        MenuItemCompat.setOnActionExpandListener(menu.findItem(R.id.menu_search),
                new MenuItemCompat.OnActionExpandListener() {
                    @Override
                    public boolean onMenuItemActionExpand(MenuItem item) {
                        return true;
                    }

                    @Override
                    public boolean onMenuItemActionCollapse(MenuItem item) {
                        finish();
                        return false;
                    }
                });

        menu.findItem(R.id.menu_search).expandActionView();
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(final MenuItem item) {
        switch (item.getItemId()) {
        case android.R.id.home:
            finish();
            return true;
        default:
            break;
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public boolean onQueryTextSubmit(final String query) {
        onQueryTextChange(query);
        hideInputManager();

        return true;
    }

    @Override
    public boolean onQueryTextChange(final String newText) {

        if (newText.equals(queryString)) {
            return true;
        }
        queryString = newText;
        if (!queryString.trim().equals("")) {
            this.searchResults = new ArrayList();
            List<MusicInfo> songList = SearchUtils.searchSongs(this, queryString);

            searchResults.addAll((songList.size() < 10 ? songList : songList.subList(0, 10)));
        } else {
            searchResults.clear();
            adapter.updateSearchResults(searchResults);
            adapter.notifyDataSetChanged();
        }

        adapter.updateSearchResults(searchResults);
        adapter.notifyDataSetChanged();

        return true;
    }

    @Override
    public boolean onTouch(View v, MotionEvent event) {
        hideInputManager();
        return false;
    }

    public void hideInputManager() {
        if (mSearchView != null) {
            if (mImm != null) {
                mImm.hideSoftInputFromWindow(mSearchView.getWindowToken(), 0);
            }
            mSearchView.clearFocus();

            SearchHistory.getInstance(this).addSearchString(queryString);
        }
    }

    @Override
    public void onStop() {
        super.onStop();
        finish();
    }

}