步骤1: 创建一个布局文件example_fragment.xml 步骤2: 在fragment类中加载布局 publicstaticclassExampleFragmentextendsFragment{// container:您的片段布局将插入到的父 ViewGroup@OverridepublicViewonCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState){// Inflate the layout for this ...
publicclassBookListFragmentextendsListFragment{privateCallbacks mCallbacks;//定义一个回调接口,该Fragment所在Activity需要实现该接口//该Fragment将通过该接口与它所在的Activity交互publicinterfaceCallbacks{publicvoidonItemSelected(Integer id);}@OverridepublicvoidonCreate(Bundle savedInstanceState){super.onCreate(savedIn...
xmlns:android="http://schemas.android.com/apk/res/android"xmlns:app="http://schemas.android.com/apk/res-auto"android:id="@+id/fragment_container_view"android:layout_width="match_parent"android:layout_height="match_parent"android:name="com.example.MyFragment"android:tag="my_tag"> </androidx...
在Android开发中,添加Fragment到Activity中是一个常见的操作。下面我将按照你的提示,分步骤说明如何在Android中添加Fragment,并包含相应的代码片段。 1. 创建一个新的Fragment类 首先,你需要创建一个新的Fragment类。在Android Studio中,可以通过右键点击java目录,选择New -> Fragment -> Fragment (Blank)来创...
android:id="@+id/fragment_container_view" android:layout_width="match_parent" android:layout_height="match_parent" /> 1. 2. 3. 4. 5. 6. 在Activity中添加对应代码 public class ExampleActivity extends AppCompatActivity { public ExampleActivity() { ...
// Create new fragment and transaction Fragment newFragment = newExampleFragment(); FragmentTransaction transaction =getFragmentManager().beginTransaction(); // Replace whatever is in thefragment_container view with this fragment, // and add the transaction to the backstack transaction.replace(R.id....
// Create new fragment and transaction Fragment newFragment = new ExampleFragment(); FragmentTransaction transaction = getFragmentManager().beginTransaction(); // Replace whatever is in the fragment_container view with this fragment, // and add the transaction to the back stack transaction.replace(...
A Fragment example, build with ReKotlin and ReKotlin-Router Installation Clone this repository Open in android studio. Build & Run. Details Dispatching actions that request routing Fragments You can dispatch the actions that invoke the Fragments similar to Activity . val routes = arrayListOf(mainActiv...
import androidx.fragment.app.testing.FragmentScenario; import androidx.fragment.app.testing.launchFragmentInContainer; import androidx.test.ext.junit.runners.AndroidJUnit4; import org.junit.Test; import org.junit.runner.RunWith; @RunWith(AndroidJUnit4.class) public class ExampleFragmentTest { @Test...
(FragmentA::class.java)// Pass data using the parent fragment managerscenario.onFragment { fragment ->val data = bundleOf(KEY_DATA to "value")fragment.parentFragmentManager.setFragmentResult("aKey", data)}// Verify data is received, for example, by verifying it's been displayed on the UI...