Android Gdx: 分享内容到Facebook
创始人
2024-08-13 22:41:13
0

要在Android Gdx中分享内容到Facebook,可以使用Facebook SDK提供的功能。以下是一个示例代码,演示了如何分享文本内容到Facebook。

首先,确保你已经在项目中集成了Facebook SDK。然后,创建一个分享按钮或其他触发分享的事件。

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Pixmap;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.Sprite;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.graphics.glutils.FrameBuffer;
import com.badlogic.gdx.math.Rectangle;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.scenes.scene2d.InputEvent;
import com.badlogic.gdx.scenes.scene2d.ui.Button;
import com.badlogic.gdx.scenes.scene2d.ui.Skin;
import com.badlogic.gdx.scenes.scene2d.utils.ClickListener;
import com.badlogic.gdx.utils.ScreenUtils;
import com.badlogic.gdx.utils.viewport.ScreenViewport;
import com.badlogic.gdx.utils.viewport.Viewport;
import com.facebook.CallbackManager;
import com.facebook.FacebookCallback;
import com.facebook.FacebookException;
import com.facebook.share.Sharer;
import com.facebook.share.model.SharePhoto;
import com.facebook.share.model.SharePhotoContent;
import com.facebook.share.widget.ShareDialog;

public class MyGdxGame extends ApplicationAdapter {
    private SpriteBatch batch;
    private Texture texture;
    private Viewport viewport;
    private Button shareButton;
    private CallbackManager callbackManager;
    private ShareDialog shareDialog;

    @Override
    public void create() {
        batch = new SpriteBatch();
        texture = new Texture("image.png"); // 要分享的图片

        viewport = new ScreenViewport();
        viewport.apply();

        Skin skin = new Skin(Gdx.files.internal("uiskin.json")); // 使用libGDX的UI皮肤
        shareButton = new Button(skin);
        shareButton.setSize(200, 50);
        shareButton.setPosition(100, 100);
        shareButton.addListener(new ClickListener() {
            @Override
            public void clicked(InputEvent event, float x, float y) {
                shareContent();
            }
        });

        callbackManager = CallbackManager.Factory.create();
        shareDialog = new ShareDialog(Gdx.graphics.getHeight() <= 720 ? Gdx.graphics.getHeight() <= 480 ? Gdx.graphics.getHeight() <= 320 ? ShareDialog.Mode.AUTOMATIC : ShareDialog.Mode.NATIVE : ShareDialog.Mode.WEB : ShareDialog.Mode.AUTOMATIC);
        shareDialog.registerCallback(callbackManager, new FacebookCallback() {
            @Override
            public void onSuccess(Sharer.Result result) {
                Gdx.app.log("Facebook", "分享成功");
            }

            @Override
            public void onCancel() {
                Gdx.app.log("Facebook", "分享被取消");
            }

            @Override
            public void onError(FacebookException error) {
                Gdx.app.error("Facebook", "分享发生错误: " + error.getMessage());
            }
        });

        Gdx.input.setInputProcessor(shareButton.getStage());
    }

    @Override
    public void render() {
        Gdx.gl.glClearColor(1, 1, 1, 1);
        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);

        batch.setProjectionMatrix(viewport.getCamera().combined);
        batch.begin();
        batch.draw(texture, 0, 0); // 绘制图片
        batch.end();

        shareButton.getStage().act();
        shareButton.getStage().draw();
    }

    @Override
    public void resize(int width, int height) {
        viewport.update(width, height, true);
        shareButton.setSize(200, 50);
        shareButton.setPosition(100, 100);
    }

    private void shareContent() {
        Pixmap pixmap = ScreenUtils.getFrameBufferPixmap(0, 0, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
        Texture screenshot = new Texture(pixmap);
        pixmap.dispose();

        FrameBuffer frameBuffer = new FrameBuffer(Pixmap.Format.RGB888, Gdx.graphics.getWidth(), Gdx.graphics.getHeight(), false);
        frameBuffer.begin();

        batch.begin();
        batch.draw(screenshot, 0, 0, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
        batch.end();

        frameBuffer.end();
        Texture frameBufferTexture = frameBuffer.getColorBufferTexture();

        SharePhoto photo = new SharePhoto.Builder()
                .setBitmap(frameBufferTexture.getTextureData().consumePixmap())
                .build();
        SharePhotoContent content = new SharePhotoContent.Builder()
                .addPhoto(photo)
                .build();

        shareDialog.show(content);

        frameBuffer.dispose();
        frameBufferTexture.dispose();
    }

    @Override
    public void dispose() {
        batch.dispose();
        texture

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