添加代码

.gitignore

+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx

.idea/gradle.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <compositeConfiguration>
+          <compositeBuild compositeDefinitionSource="SCRIPT" />
+        </compositeConfiguration>
+        <option name="distributionType" value="DEFAULT_WRAPPED" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
\ No newline at end of file

.idea/misc.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+</project>
\ No newline at end of file

build.gradle

+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+apply plugin: 'com.huawei.ohos.app'
+
+ohos {
+    compileSdkVersion 3
+    defaultConfig {
+        compatibleSdkVersion 3
+    }
+}
+	
+buildscript {
+    repositories {
+        maven {
+            url 'https://mirrors.huaweicloud.com/repository/maven/'
+        }
+        maven {
+            url 'https://developer.huawei.com/repo/'
+        }
+		jcenter()
+    }
+    dependencies {
+        classpath 'com.huawei.ohos:hap:2.0.0.6'
+        
+    }
+}
+
+allprojects {
+    repositories {
+        maven {
+            url 'https://mirrors.huaweicloud.com/repository/maven/'
+        }
+        maven {
+            url 'https://developer.huawei.com/repo/'
+        }
+		jcenter()
+    }
+}

entry/.gitignore

+/build

entry/build.gradle

+apply plugin: 'com.huawei.ohos.hap'
+ohos {
+    compileSdkVersion 3
+    defaultConfig {
+        compatibleSdkVersion 3
+    }
+    
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    testCompile'junit:junit:4.12'
+}

entry/src/main/config.json

+{
+  "app": {
+    "bundleName": "com.csdn.harmonyfirstpro",
+    "vendor": "csdn",
+    "version": {
+      "code": 1,
+      "name": "1.0"
+    },
+    "apiVersion": {
+      "compatible": 3,
+      "target": 3
+    }
+  },
+  "deviceConfig": {},
+  "module": {
+    "package": "com.csdn.harmonyfirstpro",
+    "name": ".HMFirstPro",
+    "reqCapabilities": [
+      "video_support"
+    ],
+    "deviceType": [
+      "tv"
+    ],
+    "distro": {
+      "deliveryWithInstall": true,
+      "moduleName": "entry",
+      "moduleType": "entry"
+    },
+    "abilities": [
+      {
+        "skills": [
+          {
+            "entities": [
+              "entity.system.home"
+            ],
+            "actions": [
+              "action.system.home"
+            ]
+          }
+        ],
+        "orientation": "landscape",
+        "formEnabled": false,
+        "name": "com.csdn.harmonyfirstpro.MainAbility",
+        "icon": "$media:icon",
+        "description": "$string:mainability_description",
+        "label": "HMFirstPro",
+        "type": "page",
+        "launchType": "standard"
+      },
+      {
+        "orientation": "landscape",
+        "formEnabled": false,
+        "name": "com.csdn.harmonyfirstpro.VideoAbility",
+        "icon": "$media:icon",
+        "description": "$string:videoability_description",
+        "label": "entry",
+        "type": "page",
+        "launchType": "standard"
+      }
+    ]
+  }
+}
\ No newline at end of file

entry/src/main/java/com/csdn/harmonyfirstpro/HMFirstPro.java

+package com.csdn.harmonyfirstpro;
+
+import ohos.aafwk.ability.AbilityPackage;
+
+public class HMFirstPro extends AbilityPackage {
+    @Override
+    public void onInitialize() {
+        super.onInitialize();
+    }
+}

entry/src/main/java/com/csdn/harmonyfirstpro/MainAbility.java

+package com.csdn.harmonyfirstpro;
+
+import com.csdn.harmonyfirstpro.view.VideoView;
+import ohos.aafwk.ability.Ability;
+import ohos.aafwk.content.Intent;
+import ohos.aafwk.content.Operation;
+import ohos.agp.components.Button;
+import ohos.agp.components.Component;
+import ohos.agp.components.DependentLayout;
+import ohos.agp.components.DirectionalLayout;
+import ohos.agp.graphics.SurfaceOps;
+import ohos.agp.window.service.Window;
+import ohos.agp.window.service.WindowManager;
+import ohos.global.resource.RawFileDescriptor;
+import ohos.hiviewdfx.HiLog;
+import ohos.hiviewdfx.HiLogLabel;
+import ohos.media.common.Source;
+import ohos.media.player.Player;
+import com.csdn.harmonyfirstpro.ResourceTable;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+import static ohos.agp.components.ComponentContainer.LayoutConfig.MATCH_CONTENT;
+import static ohos.agp.components.ComponentContainer.LayoutConfig.MATCH_PARENT;
+
+public class MainAbility extends Ability {
+    @Override
+    public void onStart(Intent intent) {
+        super.onStart(intent);
+        super.setUIContent(ResourceTable.Layout_main_layout);
+
+        Button videoBt = (Button) findComponentById(ResourceTable.Id_video_button);
+        videoBt.setClickedListener(new Component.ClickedListener() {
+            @Override
+            public void onClick(Component component) {
+                Intent intent = new Intent();
+// 通过Intent中的OperationBuilder类构造operation对象，指定设备标识（空串表示当前设备）、应用包名、Ability名称
+                Operation operation = new Intent.OperationBuilder()
+                        .withDeviceId("")
+                        .withBundleName("com.csdn.harmonyfirstpro")
+                        .withAbilityName("com.csdn.harmonyfirstpro.VideoAbility")
+                        .build();
+// 把operation设置到intent中
+                intent.setOperation(operation);
+                startAbility(intent);
+            }
+        });
+
+
+    }
+}

entry/src/main/java/com/csdn/harmonyfirstpro/VideoAbility.java

+package com.csdn.harmonyfirstpro;
+
+import com.csdn.harmonyfirstpro.slice.VideoAbilitySlice;
+import com.csdn.harmonyfirstpro.view.VideoView;
+import ohos.aafwk.ability.Ability;
+import ohos.aafwk.content.Intent;
+import ohos.agp.components.Button;
+import ohos.agp.components.Component;
+import ohos.agp.components.DependentLayout;
+import ohos.agp.components.DirectionalLayout;
+import ohos.agp.graphics.SurfaceOps;
+import ohos.agp.window.service.Window;
+import ohos.agp.window.service.WindowManager;
+import ohos.hiviewdfx.HiLog;
+import ohos.hiviewdfx.HiLogLabel;
+import com.csdn.harmonyfirstpro.ResourceTable;
+
+import static ohos.agp.components.ComponentContainer.LayoutConfig.MATCH_PARENT;
+
+public class VideoAbility extends Ability  implements  SurfaceOps.Callback{
+
+    private VideoView videoView;
+
+    @Override
+    public void onStart(Intent intent) {
+        super.onStart(intent);
+        super.setUIContent(ResourceTable.Layout_video_layout);
+        HiLog.debug(new HiLogLabel(0,0,"XXXXXXXXX"),"跳转了");
+        WindowManager windowManager = WindowManager.getInstance();
+        Window window = windowManager.getTopWindow().get();
+        window.setTransparent(true);
+
+        DirectionalLayout videoContent = (DirectionalLayout) findComponentById(com.csdn.harmonyfirstpro.ResourceTable.Id_video_content);
+
+        DependentLayout.LayoutConfig lpVideo = new DependentLayout.LayoutConfig(MATCH_PARENT, MATCH_PARENT);
+        videoView = new VideoView(this);
+        videoView.setCallback(this);
+        videoContent.addComponent(videoView, lpVideo);
+
+        Button videoBt = (Button) findComponentById(ResourceTable.Id_video_bt);
+        videoBt.setClickedListener(new Component.ClickedListener() {
+            @Override
+            public void onClick(Component component) {
+                HiLog.debug(new HiLogLabel(0,0,"XXXXXXXXX"),"点击了");
+                if(videoView.getState() == VideoView.STATE_PLAYING){
+                    videoView.pause();
+                    videoBt.setText("开始");
+                }else{
+                    videoView.start();
+                    videoBt.setText("暂停");
+                }
+            }
+        });
+    }
+
+    @Override
+    public void surfaceCreated(SurfaceOps surfaceOps) {
+        videoView.playAssets("resources/rawfile/trailer.mp4", true, surfaceOps);
+    }
+
+    @Override
+    public void surfaceChanged(SurfaceOps surfaceOps, int i, int i1, int i2) {
+
+    }
+
+    @Override
+    public void surfaceDestroyed(SurfaceOps surfaceOps) {
+        videoView.stop();
+    }
+}

entry/src/main/java/com/csdn/harmonyfirstpro/slice/MainAbilitySlice.java

+package com.csdn.harmonyfirstpro.slice;
+
+import ohos.aafwk.ability.AbilitySlice;
+import ohos.aafwk.content.Intent;
+
+import ohos.agp.components.DirectionalLayout;
+import ohos.agp.components.DirectionalLayout.LayoutConfig;
+import ohos.agp.components.Text;
+import ohos.agp.colors.RgbColor;
+import ohos.agp.components.element.ShapeElement;
+import ohos.agp.utils.Color;
+import ohos.agp.utils.TextAlignment;
+import ohos.global.resource.RawFileDescriptor;
+import ohos.hiviewdfx.HiLog;
+import ohos.hiviewdfx.HiLogLabel;
+import ohos.media.common.Source;
+import ohos.media.player.Player;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+public class MainAbilitySlice extends AbilitySlice implements Player.IPlayerCallback {
+
+    private DirectionalLayout myLayout = new DirectionalLayout(this);
+
+    private Player mVideoContainer;
+    private HiLogLabel TAG = new HiLogLabel(0,0,"MainAbilitySlice");
+    @Override
+    public void onStart(Intent intent) {
+        super.onStart(intent);
+        LayoutConfig config = new LayoutConfig(LayoutConfig.MATCH_PARENT, LayoutConfig.MATCH_PARENT);
+        myLayout.setLayoutConfig(config);
+        ShapeElement element = new ShapeElement();
+        element.setRgbColor(new RgbColor(255, 255, 255));
+        myLayout.setBackground(element);
+
+        mVideoContainer = new Player(this);
+        mVideoContainer.setPlayerCallback(this);
+
+        copyVideoFile();
+
+        try {
+            File distDir = getDistributedDir();
+            String filePath = distDir + File.separator + "video.mp4";
+            File videoFile = new File(filePath);
+            if (videoFile.exists()) {
+                FileInputStream inputStream = new FileInputStream(filePath);
+                mVideoContainer.setSource(new Source(inputStream.getFD()));
+                mVideoContainer.prepare();
+            } else {
+//                mHandler.sendEvent(MESSAGE_UPDATE_PLAY_VIDEO, DELAY_TIME);
+            }
+        } catch (IOException ioException) {
+            HiLog.error(TAG, "IOException");
+        }
+
+        Text text = new Text(this);
+        text.setLayoutConfig(config);
+        text.setText("Hello World");
+        text.setTextColor(new Color(0xFF000000));
+        text.setTextSize(50);
+        text.setTextAlignment(TextAlignment.CENTER);
+        myLayout.addComponent(text);
+        super.setUIContent(myLayout);
+    }
+
+    @Override
+    protected void onBackground() {
+        super.onBackground();
+        if (mVideoContainer!=null) {
+            mVideoContainer.pause();
+        }
+    }
+
+    public void copyVideoFile() {
+        FileOutputStream outFile = null;
+        FileInputStream inFile = null;
+        RawFileDescriptor rfd = null;
+        int FILE_BUFFER_SIZE = 100 * 1024;
+        try {
+            // 读取视频文件在hap包的起始位置和视频文件大小
+            rfd = getResourceManager().getRawFileEntry("resources/rawfile/video.mp4").openRawFileDescriptor();
+            long start = rfd.getStartPosition();
+            inFile = new FileInputStream(rfd.getFileDescriptor());
+            inFile.skip(start);
+
+            // 设置分布式视频文件保存的路径
+            File distDir = getDistributedDir();
+            String filePath = distDir + File.separator + "video.mp4";
+            outFile = new FileOutputStream(filePath);
+
+            byte[] buffer = new byte[FILE_BUFFER_SIZE];
+            int len;
+            while ((len = inFile.read(buffer, 0, FILE_BUFFER_SIZE)) > 0) {
+                outFile.write(buffer, 0, len);
+            }
+        } catch (IOException ioException) {
+            HiLog.error(TAG, "IOException");
+        } finally {
+            if (inFile != null) {
+                try {
+                    inFile.close();
+                } catch (IOException ioException) {
+                    HiLog.error(TAG, "IOException");
+                }
+            }
+            if (outFile != null) {
+                try {
+                    outFile.close();
+                } catch (IOException ioException) {
+                    HiLog.error(TAG, "IOException");
+                }
+            }
+            if (rfd != null) {
+                try {
+                    rfd.close();
+                } catch (IOException ioException) {
+                    HiLog.error(TAG, "IOException");
+                }
+            }
+        }
+    }
+
+    @Override
+    public void onActive() {
+        super.onActive();
+    }
+
+    @Override
+    public void onForeground(Intent intent) {
+        super.onForeground(intent);
+        if (mVideoContainer!=null) {
+            mVideoContainer.play();
+        }
+    }
+
+
+    //视频播放回调方法
+    @Override
+    public void onPrepared() {
+        if (mVideoContainer!=null) {
+            mVideoContainer.play();
+        }
+    }
+
+    @Override
+    public void onMessage(int i, int i1) {
+
+    }
+
+    @Override
+    public void onError(int i, int i1) {
+
+    }
+
+    @Override
+    public void onResolutionChanged(int i, int i1) {
+
+    }
+
+    @Override
+    public void onPlayBackComplete() {
+
+    }
+
+    @Override
+    public void onRewindToComplete() {
+
+    }
+
+    @Override
+    public void onBufferingChange(int i) {
+
+    }
+
+    @Override
+    public void onNewTimedMetaData(Player.MediaTimedMetaData mediaTimedMetaData) {
+
+    }
+
+    @Override
+    public void onMediaTimeIncontinuity(Player.MediaTimeInfo mediaTimeInfo) {
+
+    }
+}

entry/src/main/java/com/csdn/harmonyfirstpro/slice/VideoAbilitySlice.java

+package com.csdn.harmonyfirstpro.slice;
+
+import ohos.aafwk.ability.AbilitySlice;
+import ohos.aafwk.content.Intent;
+
+import ohos.agp.components.DirectionalLayout;
+import ohos.agp.components.DirectionalLayout.LayoutConfig;
+import ohos.agp.components.Text;
+import ohos.agp.colors.RgbColor;
+import ohos.agp.components.element.ShapeElement;
+import ohos.agp.utils.Color;
+import ohos.agp.utils.TextAlignment;
+
+public class VideoAbilitySlice extends AbilitySlice {
+
+    private DirectionalLayout myLayout = new DirectionalLayout(this);
+
+    @Override
+    public void onStart(Intent intent) {
+        super.onStart(intent);
+        LayoutConfig config = new LayoutConfig(LayoutConfig.MATCH_PARENT, LayoutConfig.MATCH_PARENT);
+        myLayout.setLayoutConfig(config);
+        ShapeElement element = new ShapeElement();
+        element.setRgbColor(new RgbColor(255, 255, 255));
+        myLayout.setBackground(element);
+
+        Text text = new Text(this);
+        text.setLayoutConfig(config);
+        text.setText("Hello World");
+        text.setTextColor(new Color(0xFF000000));
+        text.setTextSize(50);
+        text.setTextAlignment(TextAlignment.CENTER);
+        myLayout.addComponent(text);
+        super.setUIContent(myLayout);
+    }
+
+    @Override
+    public void onActive() {
+        super.onActive();
+    }
+
+    @Override
+    public void onForeground(Intent intent) {
+        super.onForeground(intent);
+    }
+}

entry/src/main/java/com/csdn/harmonyfirstpro/view/VideoView.java

+package com.csdn.harmonyfirstpro.view;
+
+import ohos.agp.components.AttrSet;
+import ohos.agp.components.LayoutScatter;
+import ohos.agp.components.surfaceprovider.SurfaceProvider;
+import ohos.agp.graphics.SurfaceOps;
+import ohos.app.Context;
+import ohos.hiviewdfx.HiLog;
+import ohos.hiviewdfx.HiLogLabel;
+import ohos.media.player.Player;
+import java.util.Optional;
+
+public class VideoView extends SurfaceProvider implements Player.IPlayerCallback {
+
+    public static final int STATE_INIT = 1000;
+    public static final int STATE_PLAYING = 1001;
+    public static final int STATE_PAUSE = 1002;
+    public static final int STATE_STOP = 1003;
+
+    private Player player;
+    private SurfaceOps surfaceHolder;
+    private int state = STATE_INIT;
+    Context context;
+
+    public VideoView(Context context) {
+        super(context);
+        initVideoView(context);
+    }
+
+    public VideoView(Context context, AttrSet attrSet) {
+        super(context, attrSet);
+        initVideoView(context);
+    }
+
+    public VideoView(Context context, AttrSet attrSet, String styleName) {
+        super(context, attrSet, styleName);
+        initVideoView(context);
+    }
+
+    private void initVideoView(Context context) {
+        this.context = context;
+        player = new Player(getContext());
+        player.setPlayerCallback(this);
+        Optional<SurfaceOps> surfaceHolderOptional = getSurfaceOps();
+        surfaceHolder = surfaceHolderOptional.get();
+        state = STATE_INIT;
+    }
+
+    public void setCallback(SurfaceOps.Callback callback) {
+        if (surfaceHolder != null) {
+            surfaceHolder.addCallback(callback);
+        }
+    }
+
+    public void playAssets(String fileName, boolean isLooping, SurfaceOps holder) {
+        try {
+//播放本地视频：
+            player.setSource(getContext().getResourceManager().getRawFileEntry(fileName).openRawFileDescriptor());
+//播放在线视频：
+//            player.setSource(new Source(fileName));
+            player.setVideoSurface(holder.getSurface());
+            player.enableSingleLooping(isLooping);
+            player.enableScreenOn(true);
+            player.prepare();
+            initPlayViewSize();
+            player.play();
+//            if (state != STATE_INIT) {
+//                player.rewindTo(currentTime * 1000);
+//            }
+            state = STATE_PLAYING;
+//            handler.sendEvent(InnerEvent.get(MESSAGE_UPDATE_PLAY_TIME));
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    private void initPlayViewSize() {
+        HiLog.debug(new HiLogLabel(0,0,"XXXXXXXXXXX"),"context.getAbilityInfo().getDefaultFormHeight():");
+        int videoWidth = player.getVideoWidth();
+        int videoHeight = player.getVideoHeight();
+//        Log.hiLog("videoWidth:" + videoWidth + ", videoHeight:" + videoHeight);
+        if (videoWidth < videoHeight) {
+            double scale = 1080 * 1.f / videoHeight;
+            double currHeight = videoHeight * scale;
+            double currWidth = videoWidth * scale;
+            setHeight(((int) currHeight));
+            setWidth(((int) currWidth));
+        } else {
+            double scale = 1920 * 1.f / videoWidth;
+            double currHeight = videoHeight * scale;
+            double currWidth = videoWidth * scale;
+            setHeight(((int) currHeight));
+            setWidth(((int) currWidth));
+        }
+    }
+
+    public void pause() {
+        if (state == STATE_PLAYING) {
+            player.pause();
+            state = STATE_PAUSE;
+        }
+    }
+
+    public void start() {
+        if (state == STATE_PAUSE) {
+            player.play();
+            state = STATE_PLAYING;
+        }
+    }
+
+    public int getState(){
+        return state;
+    }
+
+    public void stop() {
+        if (player!=null) {
+            player.stop();
+            state = STATE_STOP;
+        }
+    }
+
+    @Override
+    public void onPrepared() {
+
+    }
+
+    @Override
+    public void onMessage(int i, int i1) {
+
+    }
+
+    @Override
+    public void onError(int i, int i1) {
+
+    }
+
+    @Override
+    public void onResolutionChanged(int i, int i1) {
+
+    }
+
+    @Override
+    public void onPlayBackComplete() {
+
+    }
+
+    @Override
+    public void onRewindToComplete() {
+
+    }
+
+    @Override
+    public void onBufferingChange(int i) {
+
+    }
+
+    @Override
+    public void onNewTimedMetaData(Player.MediaTimedMetaData mediaTimedMetaData) {
+
+    }
+
+    @Override
+    public void onMediaTimeIncontinuity(Player.MediaTimeInfo mediaTimeInfo) {
+
+    }
+}

entry/src/main/resources/base/element/string.json

+{
+  "string": [
+    {
+      "name": "app_name",
+      "value": "HMFirstPro"
+    },
+    {
+      "name": "mainability_description",
+      "value": "hap sample empty page"
+    },
+    {
+      "name": "videoability_description",
+      "value": "hap sample empty page"
+    },
+    {
+      "name": "listability_description",
+      "value": "hap sample empty provider"
+    }
+  ]
+}
\ No newline at end of file

entry/src/main/resources/base/layout/item_layout.xml

+<?xml version="1.0" encoding="utf-8"?>
+<DependentLayout xmlns:ohos="http://schemas.huawei.com/res/ohos"
+                   ohos:width="match_parent"
+                   ohos:height="match_content"
+                   ohos:orientation="vertical">
+
+    <Text
+            ohos:id="$+id:tv"
+            ohos:width="match_parent"
+            ohos:height="64"
+            ohos:text="item"
+            ohos:text_alignment="center"/>
+</DependentLayout>
\ No newline at end of file

entry/src/main/resources/base/layout/main_layout.xml

+<?xml version="1.0" encoding="utf-8"?>
+<DependentLayout xmlns:ohos="http://schemas.huawei.com/res/ohos"
+                 ohos:width="match_parent"
+                 ohos:height="match_parent"
+                 ohos:orientation="vertical">
+
+    <DirectionalLayout
+            ohos:width="match_content"
+            ohos:height="match_content"
+            ohos:orientation="horizontal"
+            ohos:center_in_parent="true">
+        <Button
+                ohos:id="$+id:video_button"
+                ohos:width="200"
+                ohos:height="300"
+                ohos:background_element="#FFF0F0F0"
+                ohos:text="播放视频"
+                ohos:text_size="50"/>
+    </DirectionalLayout>
+
+
+</DependentLayout>
\ No newline at end of file

entry/src/main/resources/base/layout/video_layout.xml

+<?xml version="1.0" encoding="utf-8"?>
+<DependentLayout xmlns:ohos="http://schemas.huawei.com/res/ohos"
+                   ohos:width="match_parent"
+                   ohos:height="match_parent"
+                   ohos:orientation="vertical">
+
+    <DirectionalLayout
+            ohos:id="$+id:video_content"
+            ohos:width="match_parent"
+            ohos:height="match_parent"/>
+
+    <Button
+            ohos:id="$+id:video_bt"
+            ohos:width="160"
+            ohos:height="96"
+            ohos:text="暂停"
+            ohos:background_element="#FFFFFFFF"
+            ohos:align_parent_bottom="true"
+            ohos:horizontal_center="true"/>
+</DependentLayout>
\ No newline at end of file

entry/src/test/java/com/csdn/harmonyfirstpro/ListAbilityTest.java

+package com.csdn.harmonyfirstpro;
+
+import org.junit.Test;
+
+public class ListAbilityTest {
+    @Test
+    public void onStart() {
+    }
+}

entry/src/test/java/com/csdn/harmonyfirstpro/MainAbilityTest.java

+package com.csdn.harmonyfirstpro;
+
+import org.junit.Test;
+
+public class MainAbilityTest {
+    @Test
+    public void onStart() {
+    }
+}

entry/src/test/java/com/csdn/harmonyfirstpro/VideoAbilityTest.java

+package com.csdn.harmonyfirstpro;
+
+import org.junit.Test;
+
+public class VideoAbilityTest {
+    @Test
+    public void onStart() {
+    }
+}

gradle.properties

+# Project-wide Gradle settings.
+# IDE (e.g. DevEco Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+# If the Chinese output is garbled, please configure the following parameter.
+# org.gradle.jvmargs=-Dfile.encoding=GBK

gradle/wrapper/gradle-wrapper.properties

+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

gradlew.bat

+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

settings.gradle

+include ':entry'