我使用this源代码创建了一个自定义相机应用，但是在少数设备上（例如在高分辨率设备上）我得到了：
RuntimeException setParameters failed
由于这个原因我正面临这个例外：
params.setPictureSize(1200, 900);
我注意到，如果我使用(1600, 1200)代替(1200, 900)，那么我不会遇到这样的问题
logcat的：
11-07 11:45:20.630: E/AndroidRuntime(3827): FATAL EXCEPTION: main
11-07 11:45:20.630: E/AndroidRuntime(3827): java.lang.RuntimeException: Unable to resume activity {pl.gatti.dgcam/pl.gatti.dgcam.DgCamActivity}: java.lang.RuntimeException: setParameters failed
11-07 11:45:20.630: E/AndroidRuntime(3827): at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2825)
11-07 11:45:20.630: E/AndroidRuntime(3827): at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2854)
11-07 11:45:20.630: E/AndroidRuntime(3827): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2318)
11-07 11:45:20.630: E/AndroidRuntime(3827): at android.app.ActivityThread.access$600(ActivityThread.java:144)
11-07 11:45:20.630: E/AndroidRuntime(3827): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1317)
11-07 11:45:20.630: E/AndroidRuntime(3827): at android.os.Handler.dispatchMessage(Handler.java:99)
11-07 11:45:20.630: E/AndroidRuntime(3827): at android.os.Looper.loop(Looper.java:152)
11-07 11:45:20.630: E/AndroidRuntime(3827): at android.app.ActivityThread.main(ActivityThread.java:5132)
11-07 11:45:20.630: E/AndroidRuntime(3827): at java.lang.reflect.Method.invokeNative(Native Method)
11-07 11:45:20.630: E/AndroidRuntime(3827): at java.lang.reflect.Method.invoke(Method.java:511)
11-07 11:45:20.630: E/AndroidRuntime(3827): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
11-07 11:45:20.630: E/AndroidRuntime(3827): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
11-07 11:45:20.630: E/AndroidRuntime(3827): at dalvik.system.NativeStart.main(Native Method)
11-07 11:45:20.630: E/AndroidRuntime(3827): Caused by: java.lang.RuntimeException: setParameters failed
11-07 11:45:20.630: E/AndroidRuntime(3827): at android.hardware.Camera.native_setParameters(Native Method)
11-07 11:45:20.630: E/AndroidRuntime(3827): at android.hardware.Camera.setParameters(Camera.java:1490)
11-07 11:45:20.630: E/AndroidRuntime(3827): at pl.gatti.dgcam.DgCamActivity.createCamera(DgCamActivity.java:124)
11-07 11:45:20.630: E/AndroidRuntime(3827): at pl.gatti.dgcam.DgCamActivity.onResume(DgCamActivity.java:163)
11-07 11:45:20.630: E/AndroidRuntime(3827): at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1185)
11-07 11:45:20.630: E/AndroidRuntime(3827): at android.app.Activity.performResume(Activity.java:5182)
11-07 11:45:20.630: E/AndroidRuntime(3827): at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2815)
代码：
private void createCamera() {
// Create an instance of Camera
mCamera = getCameraInstance();
// Setting the right parameters in the camera
Camera.Parameters params = mCamera.getParameters();
params.setPictureSize(1200, 900);
params.setPictureFormat(PixelFormat.JPEG);
params.setJpegQuality(85);
mCamera.setParameters(params);
// Create our Preview view and set it as the content of our activity.
mPreview = new CameraPreview(this, mCamera);
FrameLayout preview = (FrameLayout) findViewById(R.id.camera_preview);
// Calculating the width of the preview so it is proportional.
float widthFloat = (float) (deviceHeight) * 4 / 3;
int width = Math.round(widthFloat);
// Resizing the LinearLayout so we can make a proportional preview. This
// approach is not 100% perfect because on devices with a really small
// screen the the image will still be distorted - there is place for
// improvment.
LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(width, deviceHeight);
preview.setLayoutParams(layoutParams);
// Adding the camera preview after the FrameLayout and before the button
// as a separated element.
preview.addView(mPreview, 0);
}
您可能会看到complete CameraActivity 类代码here
这是我的CameraPreview课程：
public class CameraPreview extends SurfaceView implements SurfaceHolder.Callback {
private SurfaceHolder mHolder;
private Camera mCamera;
public CameraPreview(Context context, Camera camera) {
super(context);
mCamera = camera;
// Install a SurfaceHolder.Callback so we get notified when the
// underlying surface is created and destroyed.
mHolder = getHolder();
mHolder.addCallback(this);
// deprecated setting, but required on Android versions prior to 3.0
mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
mHolder.setFixedSize(100, 100);
}
public void surfaceCreated(SurfaceHolder holder) {
// The Surface has been created, now tell the camera where to draw the
// preview.
try {
mCamera.setPreviewDisplay(holder);
mCamera.startPreview();
} catch (IOException e) {
Log.d("DG_DEBUG", "Error setting camera preview: " + e.getMessage());
}
}
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
// If your preview can change or rotate, take care of those events here.
// Make sure to stop the preview before resizing or reformatting it.
if (mHolder.getSurface() == null) {
// preview surface does not exist
return;
}
// stop preview before making changes
try {
mCamera.stopPreview();
} catch (Exception e) {
// ignore: tried to stop a non-existent preview
}
// make any resize, rotate or reformatting changes here
// start preview with new settings
try {
mCamera.setPreviewDisplay(mHolder);
mCamera.setDisplayOrientation(90); // Portrait only
mCamera.startPreview();
} catch (Exception e) {
Log.d("DG_DEBUG", "Error starting camera preview: " + e.getMessage());
}
}
public void surfaceDestroyed(SurfaceHolder holder) {
// empty. Take care of releasing the Camera preview in your activity.
}
}
答案 0 :(得分：24)
问题是由：
引起的errorPlacement: function (error, element) {
if (element.context.nodeName === "SELECT"){
element = $('#' + element.context.name + '-button');
$(element).tooltipster({
trigger: 'custom',
onlyOne: false,
positionTracker: true,
position: 'right',
updateAnimation: false,
animation: 'fall',
positionTrackerCallback: function(){
this.hide();
}
});
}
var lastError = $(element).data('lastError'), // get the last message if one exists
newError = $(error).text(); // set the current message
$(element).data('lastError', newError); // set "lastError" to the current message for the next time 'errorPlacement' is called
if(newError !== '' && newError !== lastError){ // make sure the message is not blank and not equal to the last message before allowing the Tooltip to update itself
$(element)
.tooltipster('content', newError) // insert content into tooltip
.tooltipster('show'); // show the tooltip
}
},
因为相机不支持所需的尺寸。
使用params.setPictureSize(1200, 900);
获取所有可用的预览尺寸。
要检查相机可用的最大照片尺寸：
getSupportedPictureSizes答案 1 :(得分：0)
任何相机应用程序都受该设备支持的相机HAL限制。因此，在Camera HAL中，我们定义我们将提供支持的大小列表，这些大小可以是预览大小，图片大小或视频大小。 所以我认为你正面临这个问题，因为相机HAL或低级代码不支持1200 * 900。