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Android入门教程 | Fragment （加载方法与通信）

match_parent" android:layout_height="0dp" android:layout_weight="4" > 在 MainActivity.java...Fragment 间的通信在 Fragment 的 java 文件中，可以使用 getActivity() 来获得调用它的 activity，然后再找到另一个 Fragment，进行通信 getActivity...try { onNewItemAddedListener = (OnNewItemAddedListener) activity; } catch (ClassCastException...e){ throw new ClassCastException(activity.toString() + "must implement OnNewItemAddedListener

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安卓Fragment和Activity之间的数据通讯

*/ public class MainActivity extends FragmentActivity implements IBtnCallListener{ //RadioButton...IBtnCallListener) activity; } catch (Exception e) { // TODO: handle exception throw new ClassCastException...test = bundle.getString("test"); System.out.println("由Activity传输过来的信息"); Toast.makeText(getActivity

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Android系列之Fragment和Activity之间的数据通讯

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安卓应用安全指南 5.5.1 处理隐私数据示例代码

final int type = getArguments().getInt("type"); LayoutInflater inflater = (LayoutInflater) getActivity...Intent intent = new Intent(); intent.setClass(getActivity(), WebViewAssetsActivity.class...(activity instanceof DialogListener)) { throw new ClassCastException(activity.toString()...Intent intent = new Intent(); intent.setClass(getActivity(), WebViewAssetsActivity.class...(activity instanceof DialogListener)) { throw new ClassCastException(activity.toString()

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Dagger2在Mvp的应用

DaggerPresenterComponent.create().inject(this);注入的地方， * 注意，此处一定不要使用Activity，需要使用MainActivity...*/ void inject( MainActivity activity); } PresenterModule类 DownloadQuanCryPre downloadQuanCryPre...; DownloadQuanDataPre downloadQuanDataPre; public PresenterModule(MainActivity activity) {...= null) { if (activity instanceof BaseActivity) { ((BaseActivity) getActivity...= null&&getActivity()!=null){ if(!

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新闻客户端实现左侧导航点击切换

上下文当前的Fragment实现OnItemClickListener接口实现onItemClick()方法 switch判断一下当前菜单的索引位置，根据索引来实例化不同的Fragment对象调用getActivity...()方法，得到宿主Activity对象，这个activity暴露一个方法，替换fragment 使用关键字instances of判断getActivity()得到的是MainActivity类的实例...); data.add("发现"); data.add("关注"); ListAdapter adapter = new ArrayAdapter(getActivity...=null){ Activity activity=getActivity(); if(activity instanceof MainActivity)...{ ((MainActivity) activity).switchMenuFragment(fragment); } }

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Android Notification

Intent intent = new Intent(this, MainActivity.class); PendingIntent pendingIntent = PendingIntent.getActivity...); PendingIntent pendingIntent = PendingIntent.getActivity(this, 100, intent, PendingIntent.FLAG_CANCEL_CURRENT...); PendingIntent pendingIntent = PendingIntent.getActivity(this, 100, intent, PendingIntent.FLAG_CANCEL_CURRENT...); PendingIntent pendingIntent = PendingIntent.getActivity(this, 100, intent, PendingIntent.FLAG_CANCEL_CURRENT...); PendingIntent pendingIntent = PendingIntent.getActivity(this, 100, intent, PendingIntent.FLAG_CANCEL_CURRENT

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android notification，notificationmanager详解

我们来比较下api11之前的用法这是通用的： PendingIntent pendingIntent = PendingIntent.getActivity(this, 0,...new Intent(this, MainActivity.class), 0); // 下面需兼容Android 2.x版本是的处理方式 Notification...; api11-api16的用法是这样的（主要是新增了自定义通知图标，并且通知的构造方式也发生了改变） PendingIntent pendingIntent2 = PendingIntent.getActivity...(this, 0, new Intent(this, MainActivity.class), 0); // API11之后才支持...(this, 0, new Intent(this, MainActivity.class), 0); // API16之后才支持

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android-fragment

layout_height="match_parent" android:orientation="horizontal" tools:context="com.example.fragmenttest.MainActivity...LeftFragment fragment = (LeftFragment) getFragmentManager().findFragmentById(R.id.left_fragment); 碎片跟活动通信 MainActivity...activity = (MainActivity) getActivity(); 碎片跟碎片通信 MainActivity activity = (MainActivity) getActivity(

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Android O中修改NotificationChannel 属性，升级app后该修改不生效，必须卸载app重新安装才能生效

num, String file_name) { Notification.Builder mBuilder; mBuilder = new Notification.Builder(MainActivity.this...mBuilder.setContentTitle(file_name); mBuilder.setContentText("download"); PendingIntent pendIntent = PendingIntent.getActivity...( MainActivity.this, NOTIFY_ID, getCurActivityIntent(), PendingIntent.FLAG_UPDATE_CURRENT...mBuilder.setContentTitle(file_name); mBuilder.setContentText("download"); PendingIntent pendIntent = PendingIntent.getActivity...( MainActivity.this, NOTIFY_ID, getCurActivityIntent(), PendingIntent.FLAG_UPDATE_CURRENT

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仿网易新闻页面效果

mSlidingMenu.showContent(); } else { // error in creating fragment Log.e("MainActivity...) { try { mCallback = (SLMenuListOnItemClickListener) activity; } catch (ClassCastException... e) { throw new ClassCastException(activity.toString() + " must implement OnResolveTelsCompletedListener...mNavMenuIconsTypeArray.recycle(); // setting the nav drawer list adapter mAdapter = new NavDrawerListAdapter(getActivity...getResources().getColor(R.color.select_text_color)); mAdapter = new ContentFragmentPagerAdapter(getActivity

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Android Fragment回退

假设场景：登录、注册 MainActivity初始化和监听返回键 @Override protected void onCreate(Bundle savedInstanceState)...().getSupportFragmentManager().beginTransaction(); fragmentTransaction.hide(getActivity...view.getId()) { case R.id.btn_back: FragmentTransaction fragmentTransaction = getActivity...().getSupportFragmentManager().beginTransaction(); fragmentTransaction.show(getActivity...).getSupportFragmentManager().findFragmentByTag("login")); fragmentTransaction.hide(getActivity

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Android 中Notification进度条一直弹出提示及提示音

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笔记64 | 个人项目“易来”开发记录《二》处理Fragment中返回的问题

(getActivity() instanceof BackHandLerInterface)) { throw new ClassCastException("Hosting...BackHandlerInterface"); }else{ backHandLerInterface = (BackHandLerInterface) getActivity

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Android Notification的用法

notification.defaults = Notification.DEFAULT_ALL; // 单击通知后会跳转到NotificationResult类 Intent intent = new Intent(this,MainActivity.class...); // 获取PendingIntent,点击时发送该Intent PendingIntent pIntent = PendingIntent.getActivity(this, 0, intent...builder.setAutoCancel(true); builder.setWhen(System.currentTimeMillis()); Intent intent = new Intent(this,MainActivity.class...); PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT

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旅游项目实战开发

public void run() { //设置时间并跳转 startActivity(new Intent(SplashActivity.this,MainActivity.class...return inflater.inflate(R.layout.fragment_main,container,false); } } 然后再主方法中添加动态生成Fragment，MainActivity.java...public class MainActivity extends AppCompatActivity implements View.OnClickListener{ } //添加点击效果 protected...(), DataUtil.getHeaderAddInfo(getActivity(),icons)); mVPagerHeaderAd.setAdapter(adapter); //...(),4)); MainMenuAdapter mainMenuAdapter=new MainMenuAdapter(getActivity(),DataUtil.getMainMenus(menuIons

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Android8.0+ 通知适配实战代码

notificationManager.createNotificationChannel(adChannel3); Intent intent=new Intent(MainActivity.this...FLAG_NO_CREATE,FLAG_ONE_SHOT,FLAG_UPDATE_CURRENT //PendingIntent pendingIntent=PendingIntent.getActivity...(MainActivity.this,0,intent,0);//延迟跳转 int notifyId = (int) System.currentTimeMillis();...PendingIntent pendingIntent = PendingIntent.getActivity(MainActivity.this, notifyId, intent, PendingIntent.FLAG_UPDATE_CURRENT...Context.NOTIFICATION_SERVICE); Notification notification=new NotificationCompat.Builder(MainActivity.this

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羊皮书APP（Android版）开发系列（十八）Android 侧滑菜单栏实现

(RecyclerView) layout.findViewById(R.id.drawerList); adapter = new NavigationDrawerAdapter(getActivity...())); recyclerView.addOnItemTouchListener(new RecyclerTouchListener(getActivity(), recyclerView...onDrawerOpened(View drawerView) { super.onDrawerOpened(drawerView); getActivity...); title = (TextView) itemView.findViewById(R.id.title); } } } 在Activity中使用，MainActivity...import android.view.MenuItem; import android.view.View; import android.widget.Toast; public class MainActivity

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Android使用Fragment仿微信底部导航栏

链接地址：https://blog.doiduoyi.com/authors/1584446358138 初心：记录优秀的Doi技术团队学习经历这是一个使用Fragment做的一个底部导航栏的小demo MainActivity...android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.ImageButton; public class MainActivity...match_parent" android:layout_height="match_parent" tools:context="com.example.dell.myapplication.MainActivity...() { @Override public void onClick(View v) { Toast.makeText(getActivity...()代替 Toast.makeText(getActivity(),"我的",Toast.LENGTH_SHORT).show(); }

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Fragment基本使用

实现Fragment调用 public class MainActivity extends AppCompatActivity implements View.OnClickListener {...如果要获取Activity对象，不建议调用getActivity()，而是在onAttach()中将Context对象强转为Activity对象示例： public class Fragment1 extends...备注：如果在Fragment中需要Context，可以通过getActivity()，如果该Context需要在Activity被销毁后还存在，则使用getActivity.getApplicationContext...mSelectInterface = (titleSelectInterface) activity; } catch (Exception e) { throw new ClassCastException...]; mSelectInterface.onTitleSelect(str); } }); } 在Activity中实现接口 public class MainActivity

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点击加载更多

Android入门教程 | Fragment （加载方法与通信）

安卓Fragment和Activity之间的数据通讯

Android系列之Fragment和Activity之间的数据通讯

安卓应用安全指南 5.5.1 处理隐私数据示例代码

Dagger2在Mvp的应用

新闻客户端实现左侧导航点击切换

Android Notification

android notification，notificationmanager详解

android-fragment

Android O中修改NotificationChannel 属性，升级app后该修改不生效，必须卸载app重新安装才能生效

仿网易新闻页面效果

Android Fragment回退

Android 中Notification进度条一直弹出提示及提示音

笔记64 | 个人项目“易来”开发记录《二》处理Fragment中返回的问题

Android Notification的用法

旅游项目实战开发

Android8.0+ 通知适配实战代码

羊皮书APP（Android版）开发系列（十八）Android 侧滑菜单栏实现

Android使用Fragment仿微信底部导航栏

Fragment基本使用

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