第一次选择图像时，可以在我的图像视图中设定。 如果再次尝试使用相机更改图像，将显示以下空指针执行错误： 请帮帮我
publicvoidonrequestpermissionsresult (intrequestcode，@NonNull String[] permissions，@NonNull int[] grantResults ) {
if (请求代码==request _ camera ({ ` entercodehere ` } )
if (授权结果. length==1授权结果[0]==package manager.permission _ granted ) {
openCamera (；
} else {
toast.maketext (获取活动(.getapplicationcontext )，' youneedtograntcamerapermissiontousecamera '，toast.lengttion
}
}
}
@Override
publicvoidonactivityresult (intrequestcode，int resultCode，Intent data ) {
if (request code==request _ image _ cameraresultcode==result _ ok ) {
dealTakePhoto (；
} else {
toast.maketext (获取活动(.getapplicationcontext )、' Unable to take picture '、toast.length _ short (.show ) ) )
}
}
私有语音开放camera (
intenttakepictureintent=new intent (mediastore.action _ image _ capture；
uri=PhotoUtil.createImageFile (；
if (takepictureintent.resolve activity (get activity ).getPackageManager ) )！=空) {
takepictureintent.put extra (mediastore.extra _ output，
uri；
tartactivityforresult (takepictureintent，REQUEST_IMAGE_CAMERA )；
}
}
私有语音删除器(
bitmap bitmap=bitmap factory.decode file (scaled file.getabsolutepath )；
stringencodeimage=getstring image (位图；
picCncoded=encodeImage；
log.d (调试)、) dealtakephoto: (编码图像) end )；
floatoldsize=(float ) newfile(uri.getpath ) ).length )/1024/1024；
浮动新大小=(浮动) scaledFile.length ) )/1024；
stringmcurrentphotopath=uri.getpath (；
bitmaporiginalimage=bitmap factory.decode file (mcurrentphotopath；
intwidth=original image.getwidth (*2/4； //() () display.getwidth(*20 )/100 ) ) ) ) ) ) ) )
int height=original image.getheight (*2/4； //(() display.getheight ) *30 )/100 ) ) ) ) ) ) 652
pic.setimagebitmap (bitmap.createscaledbitmap ) originalimage，width，height，true )；
}
publicstaticfilescal (统一文件uri ) {
String path=fileUri.getPath (；
File outputFile=new F
ile(path);long fileSize = outputFile.length();
final long fileMaxSize = 200 * 1024;
if (fileSize >= fileMaxSize) {
options.inJustDecodeBounds = true;
int height = options.outHeight;
int width = options.outWidth;
double scale = Math.sqrt((float) fileSize / fileMaxSize);
options.outHeight = (int) (height / scale);
options.outWidth = (int) (width / scale);
options.inSampleSize = (int) (scale + 0.5);
options.inJustDecodeBounds = false;
Bitmap bitmap = BitmapFactory.decodeFile(path, options);
outputFile = new File(PhotoUtil.createImageFile().getPath());
FileOutputStream fos = null;
try {
fos = new FileOutputStream(outputFile);
bitmap.compress(Bitmap.CompressFormat.JPEG, 80, fos);
fos.close();
} catch (IOException e) {
// TODO Auto-generated catch block
}
Log.d("", "sss ok " + outputFile.length());
if (!bitmap.isRecycled()) {
bitmap.recycle();
}else{
File tempFile = outputFile;
outputFile = new File(PhotoUtil.createImageFile().getPath());
}
}
return outputFile;
Logcat错误;
E / AndroidRuntime：FATAL EXCEPTION：main进程：in.esla.rwss_customer，PID：864 java.lang.RuntimeException：无法恢复活动{in.esla.rwss_customer / in.esla.rwss_customer.LiveTrackScreen}：java.lang . RuntimeException：将结寂寞的钢笔 {who = null，request = 196609，result = -1，data = null}传递给activity {in.esla.rwss_customer / in.esla.rwss_customer.LiveTrackScreen}：java.lang.NullPointerException：尝试在android.app.ActivityThread.handleResumeActivity(ActivityThread)上的android.app.ActivityThread.performResumeActivity(ActivityThread.java:3136)上的空对象引用上调用虚方法'java.lang.String android.net.Uri.getPath()' . java：3167)在android.app.A活动时，我在Android.app.ActivityThread.access $ 1000(ActivityThread.java:153)上的android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2514)$ 6.handleMessage(ActivityThread.java： 1373)在android.os.Handler.dispatchMessage(Handler.java:102)的android.os.Looper.loop(Looper.java:154) droid.app.ActivityThread.main(ActivityThread.java:5527)at java.lang.reflect.Method.invoke(Native Method)at com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:738)at at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:628)引起：java.lang.RuntimeException：将结寂寞的钢笔 {who = null，request = 196609，result = -1，data = null}传递给activity {in.esla.rwss_customer / in.esla.rwss_customer.LiveTrackScreen}：java.lang.NullPointerException：尝试在空对象引用上调用虚方法'java.lang.String android.net.Uri.getPath()'在Android.app.ActivityThread的android.app.ActivityThread.performResumeActivity(ActivityThread.java:3122)的android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3167)的android.app.ActivityThread.deliverResults(ActivityThread.java:3742) .handleLaunchActivity(ActivityThread.java:2514)在android.app.ActivityThread.access $ 1000(ActivityThread.java:153)在android.app.ActivityThread $ H.handleMes sage(ActivityThread.java:1373)位于android.app.AtoT.Thread.main上的android.os.Handler.dispatchMessage(Handler.java:102)android.os.Looper.loop(Looper.java:154)(ActivityThread.java) ：5527)位于com.android.internal.os.ZygoteInit.main的com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:738)的java.lang.reflect.Method.invoke(Native Method) (ZygoteInit.java:628)引起：java.lang.NullPointerException：尝试在in.esla.rwss_customer.ImageCompress上的空对象引用上调用虚方法'java.lang.String android.net.Uri.getPath()' .scal(ImageCompress.java:28)at.esla.rwss_customer.WaterFragmentNew.dealTakePhoto(WaterFragmentNew.java:368)位于android.support.v4的in.esla.rwss_customer.WaterFragmentNew.onActivityResult(WaterFragmentNew.java:350) . app.FragmentActivity.onActivityResult(FragmentActivity.java:165)在android.app.Activity.dispatchActivityResult(Activity.java:6508)的android.app.ActivityThread.deliverResults(ActivityThread.java:3738)at at Android.app.A活动时，android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3167)的android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3167)安卓android.app.A活动.access $ 1000(ActivityThread.java:153)位于android.app.Loper.loop上android.app.Handler.dispatchMessage(Handler.java:102)的android.app.ActivityThread $ H.handleMessage(ActivityThread.java:1373) (looper.java:154)位于android.app.ActivityThread.main(ActivityThread.java:5527)的java.lang.reflect.Method.invoke(Native Method)at com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run (ZygoteInit.java:738)at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:628)05-11 10:40:23.608 864-864 / in.esla.rwss_customer E / MQSEventManagerDelegate：未能获zydkj/p>