Android安卓期末大作业-新闻阅读App

package com.example.dwight.myapplication; import android.content.Intent; import android.os.Bundle; import android.support.design.widget.NavigationView; import android.support.v4.app.Fragment; import android.support.v4.view.GravityCompat; import android.support.v4.widget.DrawerLayout; import android.support.v7.app.ActionBarDrawerToggle; import android.view.MenuItem; import android.view.View; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.TextView; import android.widget.Toast; import cn.bmob.v3.Bmob; import me.yokeyword.fragmentation.SupportActivity; import me.yokeyword.fragmentation.SupportFragment; import me.yokeyword.fragmentation.anim.DefaultHorizontalAnimator; import me.yokeyword.fragmentation.anim.FragmentAnimator; import com.example.dwight.myapplication.ui.BaseMainFragment; import com.example.dwight.myapplication.ui.fragment.account.LoginFragment; import com.example.dwight.myapplication.ui.fragment.discover.DiscoverFragment; import com.example.dwight.myapplication.ui.fragment.home.HomeFragment; import com.example.dwight.myapplication.ui.fragment.shop.ShopFragment; import com.example.dwight.myapplication.ui.fragment_swipe_back.SwipeBackSampleFragment; /** * Created by YoKeyword on 16/1/29. */ public class MainActivity extends SupportActivity implements NavigationView.OnNavigationItemSelectedListener, BaseMainFragment.OnFragmentOpenDrawerListener , LoginFragment.OnLoginSuccessListener, SwipeBackSampleFragment.OnLockDrawLayoutListener { public static final String TAG = MainActivity.class.getSimpleName(); private DrawerLayout mDrawer; private NavigationView mNavigationView; private TextView mTvName; // NavigationView上的名字 private ImageView mImgNav; // NavigationView上的头像 @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Bmob.initialize(this, "dd4c63ac45326ba15f7b6ea5cfa5c648"); setContentView(R.layout.activity_main); if (savedInstanceState == null) { start(HomeFragment.newInstance()); } initView(); } @Override protected FragmentAnimator onCreateFragmentAnimator() { // 设置默认Fragment动画 默认竖向(和安卓5.0以上的动画相同) return super.onCreateFragmentAnimator(); // 设置横向(和安卓4.x动画相同) // return new DefaultHorizontalAnimator(); // 设置自定义动画 // return new FragmentAnimator(enter,exit,popEnter,popExit); } private void initView() { mDrawer = (DrawerLayout) findViewById(R.id.drawer_layout); ActionBarDrawerToggle toggle = new ActionBarDrawerToggle( this, mDrawer, R.string.navigation_drawer_open, R.string.navigation_drawer_close); // mDrawer.setDrawerListener(toggle); toggle.syncState(); mNavigationView = (NavigationView) findViewById(R.id.nav_view); mNavigationView.setNavigationItemSelectedListener(this); mNavigationView.setCheckedItem(R.id.nav_home); LinearLayout llNavHeader = (LinearLayout) mNavigationView.getHeaderView(0); mTvName = (TextView) llNavHeader.findViewById(R.id.tv_name); mImgNav = (ImageView) llNavHeader.findViewById(R.id.img_nav); llNavHeader.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mDrawer.closeDrawer(GravityCompat.START); mDrawer.postDelayed(new Runnable() { @Override public void run() { goLogin(); } }, 250); } }); } @Override public int setContainerId() { return R.id.fl_container; } @Override public void onBackPressed() { if (mDrawer.isDrawerOpen(GravityCompat.START)) { mDrawer.closeDrawer(GravityCompat.START); } else { Fragment topFragment = getTopFragment(); // 主页的Fragment if (topFragment instanceof DiscoverFragment || topFragment instanceof ShopFragment) { mNavigationView.setCheckedItem(R.id.nav_home); } super.onBackPressed(); } } /** * 打开抽屉 */ @Override public void onOpenDrawer() { if (!mDrawer.isDrawerOpen(GravityCompat.START)) { mDrawer.openDrawer(GravityCompat.START); } } @Override public boolean onNavigationItemSelected(final MenuItem item) { mDrawer.closeDrawer(GravityCompat.START); mDrawer.postDelayed(new Runnable() { @Override public void run() { int id = item.getItemId(); final SupportFragment topFragment = getTopFragment(); if (id == R.id.nav_home) { HomeFragment fragment = findFragment(HomeFragment.class); Bundle newBundle = new Bundle(); newBundle.putString("from", "主页-->来自:" + topFragment.getClass().getSimpleName()); fragment.putNewBundle(newBundle); start(fragment, SupportFragment.SINGLETASK); } else if (id == R.id.nav_discover) { DiscoverFragment fragment = findFragment(DiscoverFragment.class); if (fragment == null) { popTo(HomeFragment.class, false, new Runnable() { @Override public void run() { start(DiscoverFragment.newInstance()); } }); } else { // 如果已经在栈内,则以SingleTask模式start start(fragment, SupportFragment.SINGLETASK); } } else if (id == R.id.nav_msg) { ShopFragment fragment = findFragment(ShopFragment.class); if (fragment == null) { popTo(HomeFragment.class, false, new Runnable() { @Override public void run() { start(ShopFragment.newInstance()); } }); } else { // 如果已经在栈内,则以SingleTask模式start // start(fragment, SupportFragment.SINGLETASK); popTo(ShopFragment.class, false); } } else if (id == R.id.nav_login) { goLogin(); } else if (id == R.id.nav_swipe_back) { startActivity(new Intent(MainActivity.this, SwipeBackSampleActivity.class)); } else if (id == R.id.nav_swipe_back_f) { start(SwipeBackSampleFragment.newInstance()); } } }, 250); return true; } private void goLogin() { start(LoginFragment.newInstance()); } @Override public void onLoginSuccess(String account) { mTvName.setText(account); mImgNav.setImageResource(R.drawable.ic_account_circle_white_48dp); Toast.makeText(this, "登录成功,NavigationView的用户名已经更改!", Toast.LENGTH_SHORT).show(); } @Override public void onLockDrawLayout(boolean lock) { if (lock) { mDrawer.setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_CLOSED); } else { mDrawer.setDrawerLockMode(DrawerLayout.LOCK_MODE_UNLOCKED); } } }