相机意图返回NULL [英] Camera Intent Returns Null
本文介绍了相机意图返回NULL的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我想捕捉的图像和视频从我的使用意向的默认摄像头的Android应用程序。
意向意图=新意图(android.media.action.IMAGE_CAPTURE); startActivityForResult(意向,IMAGE_FROM_CAMERA);
使用上述codeI试图捕捉图像,并在的onActivityResult
我得到的数据在空 data.getData()
我试图通过开放的意图,但开放的我们得到空。
相机的目的不是能写的URI图像。我需要的URI发送图像视频电子邮件。
错误日志
07-26 21:16:54.125:E / AndroidRuntime(6142):了java.lang.RuntimeException:不提供结果ResultInfo {谁= NULL,请求= 1,结果= - 1,数据= {意向ACT =内联数据(有临时演员)}}到活动{com.cam / com.cam.CameraDemoActivity}:显示java.lang.NullPointerException
07-26 21:16:54.125:E / AndroidRuntime(6142):在android.app.ActivityThread.deliverResults(ActivityThread.java:3712)
07-26 21:16:54.125:E / AndroidRuntime(6142):在android.app.ActivityThread.handleSendResult(ActivityThread.java:3754)
07-26 21:16:54.125:E / AndroidRuntime(6142):在android.app.ActivityThread.access $ 2800(ActivityThread.java:135)
07-26 21:16:54.125:E / AndroidRuntime(6142):在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:2162)
07-26 21:16:54.125:E / AndroidRuntime(6142):在android.os.Handler.dispatchMessage(Handler.java:99)
07-26 21:16:54.125:E / AndroidRuntime(6142):在android.os.Looper.loop(Looper.java:143)
07-26 21:16:54.125:E / AndroidRuntime(6142):在android.app.ActivityThread.main(ActivityThread.java:4914)
07-26 21:16:54.125:E / AndroidRuntime(6142):在java.lang.reflect.Method.invokeNative(本机方法)
07-26 21:16:54.125:E / AndroidRuntime(6142):在java.lang.reflect.Method.invoke(Method.java:521)
07-26 21:16:54.125:E / AndroidRuntime(6142):在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:868)
07-26 21:16:54.125:E / AndroidRuntime(6142):在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
07-26 21:16:54.125:E / AndroidRuntime(6142):在dalvik.system.NativeStart.main(本机方法)
07-26 21:16:54.125:E / AndroidRuntime(6142):因:显示java.lang.NullPointerException
07-26 21:16:54.125:E / AndroidRuntime(6142):在com.cam.CameraDemoActivity.onActivityResult(CameraDemoActivity.java:48)
07-26 21:16:54.125:E / AndroidRuntime(6142):在android.app.Activity.dispatchActivityResult(Activity.java:3931)
07-26 21:16:54.125:E / AndroidRuntime(6142):在android.app.ActivityThread.deliverResults(ActivityThread.java:3708)
07-26 21:16:54.125:E / AndroidRuntime(6142):11 ...更多
解决方案
意图cameraIntent =新意图(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
文件DIR = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM);
文件输出=新的文件(目录camerascript.png);
cameraIntent.putExtra(MediaStore.EXTRA_OUTPUT,Uri.fromFile(输出));
startActivityForResult(cameraIntent,1);
I am trying to capture image and video from my android application with the default camera using Intent.
Intent intent = new Intent("android.media.action.IMAGE_CAPTURE");
startActivityForResult(intent, IMAGE_FROM_CAMERA);
Using above code i tried to capture Image and in onActivityResult
i am getting Null in the data at data.getData()
I tried with passing the Uri with the intent but the Uri gets Empty.
Camera intent is not able to write image on the uri. I need the uri to send image video with Email.
Error Log
07-26 21:16:54.125: E/AndroidRuntime(6142): java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=1, result=-1, data=Intent { act=inline-data (has extras) }} to activity {com.cam/com.cam.CameraDemoActivity}: java.lang.NullPointerException
07-26 21:16:54.125: E/AndroidRuntime(6142): at android.app.ActivityThread.deliverResults(ActivityThread.java:3712)
07-26 21:16:54.125: E/AndroidRuntime(6142): at android.app.ActivityThread.handleSendResult(ActivityThread.java:3754)
07-26 21:16:54.125: E/AndroidRuntime(6142): at android.app.ActivityThread.access$2800(ActivityThread.java:135)
07-26 21:16:54.125: E/AndroidRuntime(6142): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2162)
07-26 21:16:54.125: E/AndroidRuntime(6142): at android.os.Handler.dispatchMessage(Handler.java:99)
07-26 21:16:54.125: E/AndroidRuntime(6142): at android.os.Looper.loop(Looper.java:143)
07-26 21:16:54.125: E/AndroidRuntime(6142): at android.app.ActivityThread.main(ActivityThread.java:4914)
07-26 21:16:54.125: E/AndroidRuntime(6142): at java.lang.reflect.Method.invokeNative(Native Method)
07-26 21:16:54.125: E/AndroidRuntime(6142): at java.lang.reflect.Method.invoke(Method.java:521)
07-26 21:16:54.125: E/AndroidRuntime(6142): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
07-26 21:16:54.125: E/AndroidRuntime(6142): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
07-26 21:16:54.125: E/AndroidRuntime(6142): at dalvik.system.NativeStart.main(Native Method)
07-26 21:16:54.125: E/AndroidRuntime(6142): Caused by: java.lang.NullPointerException
07-26 21:16:54.125: E/AndroidRuntime(6142): at com.cam.CameraDemoActivity.onActivityResult(CameraDemoActivity.java:48)
07-26 21:16:54.125: E/AndroidRuntime(6142): at android.app.Activity.dispatchActivityResult(Activity.java:3931)
07-26 21:16:54.125: E/AndroidRuntime(6142): at android.app.ActivityThread.deliverResults(ActivityThread.java:3708)
07-26 21:16:54.125: E/AndroidRuntime(6142): ... 11 more
解决方案
Intent cameraIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
File dir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM);
File output = new File(dir, "camerascript.png");
cameraIntent.putExtra(MediaStore.EXTRA_OUTPUT,Uri.fromFile(output));
startActivityForResult(cameraIntent, 1);
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