今日总结

package me.wcy.music.activity;

import android.app.ProgressDialog;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.graphics.Color;
import android.media.AudioManager;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.Looper;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.annotation.StyleRes;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;

import me.wcy.music.R;
import me.wcy.music.service.PlayService;
import me.wcy.music.storage.preference.Preferences;
import me.wcy.music.utils.PermissionReq;
import me.wcy.music.utils.binding.ViewBinder;

/**
 * 基类<br>
 * 如果继承本类，需要在 layout 中添加 {@link Toolbar} ，并将 AppTheme 继承 Theme.AppCompat.NoActionBar 。
 * Created by wcy on 2015/11/26.
 */
public abstract class BaseActivity extends AppCompatActivity {
    protected Handler handler;
    protected PlayService playService;
    private ServiceConnection serviceConnection;
    private ProgressDialog progressDialog;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        if (Preferences.isNightMode()) {
            setTheme(getDarkTheme());
        }

        super.onCreate(savedInstanceState);

        setSystemBarTransparent();
        setVolumeControlStream(AudioManager.STREAM_MUSIC);
        handler = new Handler(Looper.getMainLooper());
        bindService();
    }

    @StyleRes
    protected int getDarkTheme() {
        return R.style.AppThemeDark;
    }

    @Override
    public void setContentView(int layoutResID) {
        super.setContentView(layoutResID);
        initView();
    }

    @Override
    public void setContentView(View view) {
        super.setContentView(view);
        initView();
    }

    @Override
    public void setContentView(View view, ViewGroup.LayoutParams params) {
        super.setContentView(view, params);
        initView();
    }

    private void initView() {
        ViewBinder.bind(this);

        Toolbar mToolbar = findViewById(R.id.toolbar);
        if (mToolbar == null) {
            throw new IllegalStateException("Layout is required to include a Toolbar with id 'toolbar'");
        }
        setSupportActionBar(mToolbar);
        if (getSupportActionBar() != null) {
            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        }
    }

    private void bindService() {
        Intent intent = new Intent();
        intent.setClass(this, PlayService.class);
        serviceConnection = new PlayServiceConnection();
        bindService(intent, serviceConnection, Context.BIND_AUTO_CREATE);
    }

    private class PlayServiceConnection implements ServiceConnection {
        @Override
        public void onServiceConnected(ComponentName name, IBinder service) {
            playService = ((PlayService.PlayBinder) service).getService();
            onServiceBound();
        }

        @Override
        public void onServiceDisconnected(ComponentName name) {
            Log.e(getClass().getSimpleName(), "service disconnected");
        }
    }

    protected void onServiceBound() {
    }

    private void setSystemBarTransparent() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            // LOLLIPOP解决方案
            getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
            getWindow().addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
            getWindow().setStatusBarColor(Color.TRANSPARENT);
        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            // KITKAT解决方案
            getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
        }
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (item.getItemId() == android.R.id.home) {
            finish();
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    public void showProgress() {
        showProgress(getString(R.string.loading));
    }

    public void showProgress(String message) {
        if (progressDialog == null) {
            progressDialog = new ProgressDialog(this);
            progressDialog.setCancelable(false);
        }
        progressDialog.setMessage(message);
        if (!progressDialog.isShowing()) {
            progressDialog.show();
        }
    }

    public void cancelProgress() {
        if (progressDialog != null && progressDialog.isShowing()) {
            progressDialog.cancel();
        }
    }

    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        PermissionReq.onRequestPermissionsResult(requestCode, permissions, grantResults);
    }

    @Override
    protected void onDestroy() {
        if (serviceConnection != null) {
            unbindService(serviceConnection);
        }
        super.onDestroy();
    }
}

package me.wcy.music.activity;

import android.Manifest;
import android.annotation.SuppressLint;
import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.design.widget.NavigationView;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.view.GravityCompat;
import android.support.v4.view.ViewPager;
import android.support.v4.widget.DrawerLayout;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.TextView;

import me.wcy.music.R;
import me.wcy.music.adapter.FragmentAdapter;
import me.wcy.music.constants.Extras;
import me.wcy.music.constants.Keys;
import me.wcy.music.executor.ControlPanel;
import me.wcy.music.executor.NaviMenuExecutor;
import me.wcy.music.executor.WeatherExecutor;
import me.wcy.music.fragment.LocalMusicFragment;
import me.wcy.music.fragment.PlayFragment;
import me.wcy.music.fragment.SheetListFragment;
import me.wcy.music.service.AudioPlayer;
import me.wcy.music.service.QuitTimer;
import me.wcy.music.utils.PermissionReq;
import me.wcy.music.utils.SystemUtils;
import me.wcy.music.utils.ToastUtils;
import me.wcy.music.utils.binding.Bind;

public class MusicActivity extends BaseActivity implements View.OnClickListener, QuitTimer.OnTimerListener,
        NavigationView.OnNavigationItemSelectedListener, ViewPager.OnPageChangeListener {
    @Bind(R.id.drawer_layout)
    private DrawerLayout drawerLayout;
    @Bind(R.id.navigation_view)
    private NavigationView navigationView;
    @Bind(R.id.iv_menu)
    private ImageView ivMenu;
    @Bind(R.id.iv_search)
    private ImageView ivSearch;

    @Bind(R.id.tv_local_music)
    private TextView tvLocalMusic;

    @Bind(R.id.tv_online_music)
    private TextView tvOnlineMusic;

    @Bind(R.id.tv_random_music)
    private TextView tvRandomMusic;//随机

    @Bind(R.id.viewpager)
    private ViewPager mViewPager;
    @Bind(R.id.fl_play_bar)
    private FrameLayout flPlayBar;

    private View vNavigationHeader;
    private LocalMusicFragment mLocalMusicFragment;
    private SheetListFragment mSheetListFragment;
    private PlayFragment mPlayFragment;
    private ControlPanel controlPanel;
    private NaviMenuExecutor naviMenuExecutor;
    private MenuItem timerItem;
    private boolean isPlayFragmentShow;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_music);
    }

    @Override
    protected void onServiceBound() {
        setupView();
        updateWeather();
        controlPanel = new ControlPanel(flPlayBar);
        naviMenuExecutor = new NaviMenuExecutor(this);
        AudioPlayer.get().addOnPlayEventListener(controlPanel);
        QuitTimer.get().setOnTimerListener(this);
        parseIntent();
    }

    @Override
    protected void onNewIntent(Intent intent) {
        setIntent(intent);
        parseIntent();
    }

    private void setupView() {
        // add navigation header
        vNavigationHeader = LayoutInflater.from(this).inflate(R.layout.navigation_header, navigationView, false);
        navigationView.addHeaderView(vNavigationHeader);

        // setup view pager
        mLocalMusicFragment = new LocalMusicFragment();
        mSheetListFragment = new SheetListFragment();

        FragmentAdapter adapter = new FragmentAdapter(getSupportFragmentManager());
        adapter.addFragment(mLocalMusicFragment);
        adapter.addFragment(mSheetListFragment);
        mViewPager.setAdapter(adapter);
        tvLocalMusic.setSelected(true);

        ivMenu.setOnClickListener(this);
        ivSearch.setOnClickListener(this);
        tvLocalMusic.setOnClickListener(this);
        tvOnlineMusic.setOnClickListener(this);
        flPlayBar.setOnClickListener(this);
        mViewPager.addOnPageChangeListener(this);
        navigationView.setNavigationItemSelectedListener(this);
    }

    private void updateWeather() {
        PermissionReq.with(this)
                .permissions(Manifest.permission.ACCESS_FINE_LOCATION,
                        Manifest.permission.ACCESS_COARSE_LOCATION)
                .result(new PermissionReq.Result() {
                    @Override
                    public void onGranted() {
                        new WeatherExecutor(MusicActivity.this, vNavigationHeader).execute();
                    }

                    @Override
                    public void onDenied() {
                        ToastUtils.show(R.string.no_permission_location);
                    }
                })
                .request();
    }

    private void parseIntent() {
        Intent intent = getIntent();
        if (intent.hasExtra(Extras.EXTRA_NOTIFICATION)) {
            showPlayingFragment();
            setIntent(new Intent());
        }
    }

    @Override
    public void onTimer(long remain) {
        if (timerItem == null) {
            timerItem = navigationView.getMenu().findItem(R.id.action_timer);
        }
        String title = getString(R.string.menu_timer);
        timerItem.setTitle(remain == 0 ? title : SystemUtils.formatTime(title + "(mm:ss)", remain));
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.iv_menu:
                drawerLayout.openDrawer(GravityCompat.START);
                break;
            case R.id.iv_search:
                startActivity(new Intent(this, SearchMusicActivity.class));
                break;
            case R.id.tv_local_music:
                mViewPager.setCurrentItem(0);
                break;
            case R.id.tv_online_music:
                startActivity(new Intent(this, online.class));
                break;

            case R.id.tv_random_music:
                mViewPager.setCurrentItem(1);
                break;
            case R.id.fl_play_bar:
                showPlayingFragment();
                break;

        }
    }

    @Override
    public boolean onNavigationItemSelected(@NonNull MenuItem item) {
        drawerLayout.closeDrawers();
        handler.postDelayed(() -> item.setChecked(false), 500);
        return naviMenuExecutor.onNavigationItemSelected(item);
    }

    @Override
    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
    }

    @Override
    public void onPageSelected(int position) {
        if (position == 0) {
            tvLocalMusic.setSelected(true);
            tvOnlineMusic.setSelected(false);
        } else {
            tvLocalMusic.setSelected(false);
            tvOnlineMusic.setSelected(true);
        }
    }

    @Override
    public void onPageScrollStateChanged(int state) {
    }

    private void showPlayingFragment() {
        if (isPlayFragmentShow) {
            return;
        }

        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
        ft.setCustomAnimations(R.anim.fragment_slide_up, 0);
        if (mPlayFragment == null) {
            mPlayFragment = new PlayFragment();
            ft.replace(android.R.id.content, mPlayFragment);
        } else {
            ft.show(mPlayFragment);
        }
        ft.commitAllowingStateLoss();
        isPlayFragmentShow = true;
    }

    private void hidePlayingFragment() {
        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
        ft.setCustomAnimations(0, R.anim.fragment_slide_down);
        ft.hide(mPlayFragment);
        ft.commitAllowingStateLoss();
        isPlayFragmentShow = false;
    }

    @Override
    public void onBackPressed() {
        if (mPlayFragment != null && isPlayFragmentShow) {
            hidePlayingFragment();
            return;
        }
        if (drawerLayout.isDrawerOpen(GravityCompat.START)) {
            drawerLayout.closeDrawers();
            return;
        }

        super.onBackPressed();
    }

    @SuppressLint("MissingSuperCall")
    @Override
    protected void onSaveInstanceState(Bundle outState) {
        outState.putInt(Keys.VIEW_PAGER_INDEX, mViewPager.getCurrentItem());
        mLocalMusicFragment.onSaveInstanceState(outState);
        mSheetListFragment.onSaveInstanceState(outState);
    }

    @Override
    protected void onRestoreInstanceState(final Bundle savedInstanceState) {
        mViewPager.post(() -> {
            mViewPager.setCurrentItem(savedInstanceState.getInt(Keys.VIEW_PAGER_INDEX), false);
            mLocalMusicFragment.onRestoreInstanceState(savedInstanceState);
            mSheetListFragment.onRestoreInstanceState(savedInstanceState);
        });
    }

    @Override
    protected void onDestroy() {
        AudioPlayer.get().removeOnPlayEventListener(controlPanel);
        QuitTimer.get().setOnTimerListener(null);
        super.onDestroy();
    }
}