EffectCameraStream.dispose

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EffectCameraStream.dispose()

<button type="primary" bindtap="requestEffectCamera">打开相机</button>

<button type="primary" bindtap="disposeEffectCamera">释放相机资源</button>

Page({
  onShow: function () {},
  requestEffectCamera() {
    this.effectCameraStream = tt.createEffectCameraStream(this);
    this.effectCameraStream.onError(this.onError);
    this.effectCameraStream.onRequest(this.onRequest);
    this.effectCameraStream.onPlay(this.onPlay);
    this.effectCameraStream.request({
      orientation: "front",
    });
  },
  disposeEffectCamera() {
    if (this.effectCameraStream) {
      this.effectCameraStream.dispose();
      this.effectCameraStream.offError(this.onError);
      this.effectCameraStream.offRequest(this.onRequest);
      this.effectCameraStream.offPlay(this.onPlay);
      this.effectCameraStream = null;
      tt.showToast({
        title: "相机资源释放",
      });
    }
  },
  onError(error) {
    console.log("onError", error);
    const { type, errMsg } = error;
    tt.showModal({
      title: `onError ${type}`,
      content: errMsg,
    });
  },
  onRequest() {
    console.log("相机资源申请成功");
    this.effectCameraStream.play();
  },
  onPlay(cameraVideo) {
    tt.showToast({
      title: "相机打开",
    });
    console.log("相机数据", cameraVideo);
  },
});