第二次拍照没有反应我打LOG了您

[845479430]

[845479430]

这是第一次拍照成功的时候

[845479430]

[845479430]

这是第二次拍照失败的时候的时候 doStillCapture函数都没走到

[845479430]

[845479430]

@18Gray

[845479430]

[845479430]

问题在这段代码中但是我不知道该怎么改

[845479430]

Integer afState = result.get(CaptureResult.CONTROL_AF_STATE); ==0造成的但是不知道具体原因

[18Gray]

我找了一个魅族note3，5.1系统，没有啥问题，你先把这句代码去掉试一下

[845479430]

我找了一个魅族note3，5.1系统，没有啥问题，你先把这句代码去掉试一下

我用的是两个7.0系统的手机，我不知道是不是手机的问题

[845479430]

找到问题所在了afState这个值在第二次的时候等于0造成的，代码被我改造了您可以看一下，直接复制粘贴就行

[845479430]

private void checkState(CaptureRequest request, CaptureResult result)
{
Integer afState = result.get(CaptureResult.CONTROL_AF_STATE);
Integer aeState = result.get(CaptureResult.CONTROL_AE_STATE);
switch (mState) {

            case STATE_PREVIEW:  //对预览数据处理，根据afState即聚焦状态，如果为空、跟上次一样不做处理
                if (afState == null)
                {
                    Log.d("Camera2TextureView", "null");
                    return;
                }else if (afState != null && afState.intValue() == mAfState)//这次的值与之前的一样，忽略掉
                {
                    Log.d("Camera2TextureView", "same");
                    return;
                }else {
                    mAfState = afState.intValue();
                    judgeFocus();  //聚焦视图
                }
                break;

            case STATE_WAITING_LOCK:

// if (CaptureResult.CONTROL_AF_STATE_FOCUSED_LOCKED == afState || CaptureResult.CONTROL_AF_STATE_NOT_FOCUSED_LOCKED == afState
// || CaptureResult.CONTROL_AF_STATE_PASSIVE_FOCUSED == afState || CaptureResult.CONTROL_AF_STATE_PASSIVE_UNFOCUSED == afState)
// {
// if (afState == null)
// {
// Log.i("qwe","1");
// doStillCapture();
// }
// else if (CaptureResult.CONTROL_AF_STATE_FOCUSED_LOCKED == afState
// || CaptureResult.CONTROL_AF_STATE_NOT_FOCUSED_LOCKED == afState)
// {
// aeState = result.get(CaptureResult.CONTROL_AE_STATE);
//
// if (aeState == null || aeState == CaptureResult.CONTROL_AE_STATE_CONVERGED)
// {
// Log.i("qwe","2");
// mState = STATE_PICTURE_TAKEN;
// doStillCapture();
// } else
// {
// Log.i("qwe","3");
// tryCaptureAgain();
// }
// }
// }
// 等待锁定的状态, 某些设备完成锁定后CONTROL_AF_STATE可能为null
if (afState == null || afState==0) {
doStillCapture();
} else if (CaptureResult.CONTROL_AF_STATE_FOCUSED_LOCKED == afState || CaptureResult.CONTROL_AF_STATE_NOT_FOCUSED_LOCKED == afState
|| CaptureResult.CONTROL_AF_STATE_PASSIVE_FOCUSED == afState || CaptureResult.CONTROL_AF_STATE_PASSIVE_UNFOCUSED == afState) {
// 如果焦点已经锁定(不管自动对焦是否成功), 检查AE的返回, 注意某些设备CONTROL_AE_STATE可
// 能为空
// Integer aeState = result.get(CaptureResult.CONTROL_AE_STATE);
if (aeState == null ||
aeState == CaptureResult.CONTROL_AE_STATE_CONVERGED) {
// 如果自动曝光(AE)设定良好, 将状态置为已经拍照, 执行拍照
mState = STATE_PICTURE_TAKEN;
doStillCapture();
} else {
// 以上条件都不满足, 执行预拍照系列操作
tryCaptureAgain();
}
}
break;

            case STATE_WAITING_PRECAPTURE:
                // 等待预处理状态, 某些设备CONTROL_AE_STATE可能为null
                if (aeState == null ||
                        aeState == CaptureResult.CONTROL_AE_STATE_PRECAPTURE ||
                        aeState == CaptureRequest.CONTROL_AE_STATE_FLASH_REQUIRED) {
                    // 如果AE需要做于拍照或者需要闪光灯, 将状态置为"非等待预拍照"(翻译得有点勉强)
                    mState = STATE_WAITING_NON_PRECAPTURE;
                }
                break;

            case STATE_WAITING_NON_PRECAPTURE:
                // 某些设备CONTROL_AE_STATE可能为null
                if (aeState == null || aeState != CaptureResult.CONTROL_AE_STATE_PRECAPTURE) {
                    // 如果AE做完"非等待预拍照", 将状态置为已经拍照, 并执行拍照操作
                    mState = STATE_PICTURE_TAKEN;
                    doStillCapture();
                }

                break;
        }
    } @18Gray 

[845479430]