Question

我正在尝试让我的相机为我的Android应用程序工作，但我不断收到以下错误

02-07 22：30：48.217 13197-13197 / com.example.romsm.lap E / AndroidRuntime：致命异议：主要 java.lang.RuntimeException：传递结果失败 ResultInfo {who = null，request = 1，result = -1，data = Intent { act = inline-data dat = content：// media / external / images / media / 8557（has 额外的）}}到活动 {com.example.romsm.lap / com.example.romsm.lap.TreeQuestionsActivity}：显示java.lang.NullPointerException 在android.app.ActivityThread.deliverResults（ActivityThread.java:3510）在 android.app.ActivityThread.handleSendResult（ActivityThread.java:3553）在android.app.ActivityThread.access $ 1200（ActivityThread.java:165）在 android.app.ActivityThread $ H.handleMessage（ActivityThread.java:1374）在android.os.Handler.dispatchMessage（Handler.java:99）在android.os.Looper.loop（Looper.java:137）在android.app.ActivityThread.main（ActivityThread.java:5455） at java.lang.reflect.Method.invokeNative（Native Method）在java.lang.reflect.Method.invoke（Method.java:525）在 com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run（ZygoteInit.java:1187）在com.android.internal.os.ZygoteInit.main（ZygoteInit.java:1003）在dalvik.system.NativeStart.main（本地方法）

我已经尝试过我可以在网上找到的所有东西，但似乎没有什么能解决它。这是我的代码，我在那里做相机的东西。

btnPhoto.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
                   // File file = new File(...);
                    startActivityForResult(takePictureIntent, ACTIVITY_START_CAMERA);
                   // takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(file));
                }
            }
        });



    }

和

 @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (requestCode == ACTIVITY_START_CAMERA) {
            if (data != null && resultCode == RESULT_OK) {
                // Image captured and saved to file
                Bundle extras = data.getExtras();
                Bitmap imageBitmap = (Bitmap) extras.get("data");
                imageView.setImageBitmap(imageBitmap);
            } else {
                // User cancelled the image capture or
                // image capture failed, advise user

            }
        }
        super.onActivityResult(requestCode, resultCode, data);
    }

Answer 1

这是我使相机工作的代码。你可以试试这个。

 private void activeTakePhoto() {
        Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        startActivityForResult(takePictureIntent, REQUEST_IMAGE_CAPTURE);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode,
                                    Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        switch (requestCode) {
            case REQUEST_IMAGE_CAPTURE:
                if (requestCode == RESULT_LOAD_IMAGE && resultCode == RESULT_OK & null != data) {

                Bitmap thumbnail = (Bitmap) data.getExtras().get("data");
                ByteArrayOutputStream bytes = new ByteArrayOutputStream();
                thumbnail.compress(Bitmap.CompressFormat.JPEG, 90, bytes);
                //to generate random file name
                String fileName = "tempimg.jpg";

                try {
                    photo = (Bitmap) data.getExtras().get("data");
                    //captured image set in imageview
                    imageView.setImageBitmap(photo);
                } catch (Exception e) {
                    e.printStackTrace();
                }
        }
    }

Android相机错误无法提供结果ResultInfo

1 个答案: