私のimageViewは動作しません

Question

私はアンドロイドスタジオで働いています。私は自分の電話機からディレクトリから写真をインポートし、それをImageViewに配置するためにtriyngです。

私の最初の活動では、カメラを使って写真を保存しようとしましたが、写真からURIを保存しようとしました。それは働いている。

他のアクティビティでは、そのURIをインポートしようとしましたが、ImageViewは変更されません。コンパイラが写真の場所を見たので、作業中だと思いますが、画像ビューでは写真をインポートできません。

私を助けてくれますか？

public class PictureConfirmation extends Activity { 
    ImageButton use; 
    ImageButton retake; 
    TextView usetxt; 
    TextView retaketxt; 
    ImageView pictaken; 
    String pic; 
    File picfile; 
    Matrix matrix; 
    String pic2; 
    Bitmap bitmap; 
    public Bitmap rotatedbitmap; 
    ImageButton scan; 
    ImageView teeth; 
    TextView scantxt; 
    public String colorRGB; 
    TextView canceltxt; 
    Uri ImgUri; 
    public float ax; 

    public float ay; 
    int Rc, Gc, Bc; 
    public int checkcamera=0; 
    TextView colortxt; 

    @Override 
    protected void onCreate(Bundle savedInstance) { 

     final Typeface bariol_font = Typeface.createFromAsset(getAssets(), "Bariol_Bold.otf"); 
     //going full screen 
     requestWindowFeature(Window.FEATURE_NO_TITLE); 
     getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN); 
     super.onCreate(savedInstance); 
     setContentView(R.layout.picture_confirmation); 
     final String PREF_NAME = "Link"; 
     String defaultValue = "default string"; 
     Preferences prefs = Preferences.userNodeForPackage(com.example.newrosoft1.dentafy.MainMenuActivity.class); 
     String propertyValue = prefs.get(PREF_NAME, defaultValue); // "a string" 
     //pic = new MainMenuActivity().getpath(); 

     pic2=propertyValue; 
     pic=propertyValue; 
     Log.d("valoare este %@" ,pic.toString()); 
     //bitmap =BitmapFactory.decodeFile(pic); 
     // Uri imgUri=Uri.parse(pic); 
     //.setImageURI(imgUri); 


     use = (ImageButton) findViewById(R.id.usebtnid); 
     retake = (ImageButton) findViewById(R.id.retakebtnid); 
     retaketxt = (TextView) findViewById(R.id.retaketxtid); 
     retaketxt.setTypeface(bariol_font); 
     usetxt = (TextView) findViewById(R.id.usetextid); 
     usetxt.setTypeface(bariol_font); 
     pictaken = (ImageView) findViewById(R.id.pictakenid); 
     //pictaken.setImageBitmap(bitmap); 

     Uri imgUri=Uri.parse(pic); 


     pictaken.setImageURI(null); 
     pictaken.setImageURI(imgUri); 
     try { 
      pictaken.setImageDrawable(Drawable.createFromStream(
        getContentResolver().openInputStream(imgUri), 
        null)); 
     } catch (FileNotFoundException e) { 
      e.printStackTrace(); 
     } 

     final AlertDialog.Builder alertdialog = new AlertDialog.Builder(this); 
     alertdialog.setTitle("Confirmation"); 
     alertdialog.setMessage("Are you sure this is the correct picture?\nPlease note that you have a limited number of scans"); 
     alertdialog.setPositiveButton("YES", new DialogInterface.OnClickListener() { 
      @Override 
      public void onClick(DialogInterface dialog, int which) { 
       setContentView(R.layout.processing); 
       Runnable r = new Runnable() { 
        @Override 
        public void run() { 
         setContentView(R.layout.scan_teeth_finished); 
         TextView done = (TextView) findViewById(R.id.donetxtid); 
         done.setTypeface(bariol_font); 
         colortxt = (TextView) findViewById(R.id.teethcolortxtid); 
         colortxt.setTypeface(bariol_font); 

         teeth = (ImageView) findViewById(R.id.teethimg); 

         //teeth.setImageBitmap(bitmap); 
         Uri imgUri=Uri.parse(pic); 
         teeth.setImageURI(null); 
         teeth.setImageURI(imgUri); 
         try { 
          teeth.setImageDrawable(Drawable.createFromStream(
            getContentResolver().openInputStream(imgUri), 
            null)); 
         } catch (FileNotFoundException e) { 
          e.printStackTrace(); 
         } 

         teeth.setOnTouchListener(new View.OnTouchListener() { 
          @Override 
          public boolean onTouch(View view, MotionEvent event) { 


           float eventX = event.getX(); 
           float eventY = event.getY(); 
           float[] eventXY = new float[]{eventX, eventY}; 

           Matrix invertMatrix = new Matrix(); 
           ((ImageView) view).getImageMatrix().invert(invertMatrix); 

           invertMatrix.mapPoints(eventXY); 
           int x = Integer.valueOf((int) eventXY[0]); 
           int y = Integer.valueOf((int) eventXY[1]); 


           Drawable imgDrawable = teeth.getDrawable(); 
           bitmap = ((BitmapDrawable) imgDrawable).getBitmap(); 


           //Limit x, y range within bitmap 
           if (x < 0) { 
            x = 0; 
           } else if (x > (bitmap.getWidth() - 1)) { 
            x = bitmap.getWidth() - 1; 
            ax = x; 
           } 

           if (y < 0) { 
            y = 0; 
           } else if (y > (bitmap.getHeight() - 1)) { 
            y = bitmap.getHeight() - 1; 
            ay = y; 

           } 

           int touchedRGB = bitmap.getPixel(x, y); 


           int[] areapixels = new int[bitmap.getWidth() * bitmap.getHeight()]; 

           int touchedAreaRGB; 

           try { 
            bitmap.getPixels(areapixels, 0, bitmap.getWidth(), x, y, 25, 25); //pixel area to scan 
           } catch (ArrayIndexOutOfBoundsException arrayindexoutofbounds) { 
            Toast.makeText(getApplicationContext(), "index out of bounds exception", 
              Toast.LENGTH_SHORT).show(); 

           } catch (IllegalArgumentException illegalargumentexception) { 

           } 


           int total = 0; 
           for (int i = 0; i < areapixels.length; i++) { 
            if (areapixels[i] != 0) 

            { 
             Rc += (areapixels[i] >> 16) & 0xff; 
             Gc += (areapixels[i] >> 8) & 0xff; 
             Bc += (areapixels[i]) & 0xff; 


             total++; 
            } 
           } 
           if (Rc != 0 || Gc != 0 || Bc != 0) { 
            Rc /= total; 
            Gc /= total; 
            Bc /= total; 
           } 
           touchedAreaRGB = 0xff000000 | (Rc << 16) | (Gc << 8) | Bc; 

           int avrgColor = (Gc - Bc) * 10/2; 


           int yellow = 12229738; 
           int white = 16777215; 

           int value = ((touchedRGB - yellow) * 100)/(white - yellow); 
           int value2 = ((touchedRGB - yellow) * 10)/(white - yellow); 

           Log.d("value: ", "asd100 " + value); 
           Log.d("value: ", "asd10 " + value2); 


           colorRGB = "could not find color code, tap again " + value2; 
           if (value2 < 32) 
            colorRGB = "Selected tooth color is:A1"; 
           switch (value2) { 

            case -33: 
             colorRGB = "Selected tooth color is:A1 "; 
             break; 
            case -32: 
             colorRGB = "Selected tooth color is:B1"; 
             break; 
            case -35: 
             colorRGB = "Selected tooth color is:A2 "; 
             break; 
            case -36: 
             colorRGB = "Selected tooth color is:A3 "; 
             break; 
            case -34: 
             colorRGB = "Selected tooth color is:B2 "; 
             break; 
            case -38: 
             colorRGB = "Selected tooth color is:D2 "; 
             break; 
            case -37: 
             colorRGB = "Selected tooth color is:D3 "; 
             break; 
            case -40: 
             colorRGB = "Selected tooth color is:D4 "; 
             break; 
           } 
           colortxt.setText(colorRGB); 
           if (Gc < Bc || Gc < 100) { 
            // Toast.makeText(getApplicationContext(), "Could not get color code, make sure you tap on tooth", Toast.LENGTH_SHORT).show(); 
           } 

           //colorRGB.setText("Selected tooth color is:C1" + value2); 

           Rc = 0; 
           Bc = 0; 
           Gc = 0; 
           total = 0; 

           return true; 
          } 
         }); 
         done.setOnClickListener(new View.OnClickListener() { 
          @Override 

          public void onClick(View v) { 
           startActivity(new Intent(PictureConfirmation.this, MainMenuActivity.class)); 
          } 
         }); 
        } 
       }; 
       Handler h = new Handler(); 
       h.postDelayed(r, 2000); 
      } 
     }); 

     alertdialog.setNegativeButton("NO", new DialogInterface.OnClickListener() { 
      @Override 
      public void onClick(DialogInterface dialog, int which) { 
       //do nothing 
      } 
     }); 
     alertdialog.create(); 

     //pictaken.setImageBitmap(bitmap); 
     //Uri imgUri=Uri.parse(pic); 
     pictaken.setImageURI(null); 
     pictaken.setImageURI(imgUri); 

     retake.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View v) { 
       // startActivity(new Intent(PictureConfirmation.this, CameraMainActivity.class)); 
      } 
     }); 


     use.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View v) { 
       setContentView(R.layout.scan_teeth_start); 
       scan = (ImageButton) findViewById(R.id.scanbtnid); 
       teeth = (ImageView) findViewById(R.id.teethimageid); 
       scantxt = (TextView) findViewById(R.id.startscantxtid); 
       scantxt.setTypeface(bariol_font); 
       canceltxt = (TextView) findViewById(R.id.canceltxtid); 
       canceltxt.setTypeface(bariol_font); 

       //teeth.setImageBitmap(bitmap); 
       Uri imgUri2=Uri.parse(pic); 
       teeth.setImageURI(null); 
       teeth.setImageURI(imgUri2); 
       canceltxt.setOnClickListener(new View.OnClickListener() { 
        @Override 
        public void onClick(View v) { 
         startActivity(new Intent(PictureConfirmation.this, MainMenuActivity.class)); 
        } 
       }); 
       // matrix.postRotate(270); 
       // bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true); // rotating bitmap 
       scan.setOnClickListener(new View.OnClickListener() { 
        @Override 
        public void onClick(View v) { 
         alertdialog.show(); 
        } 
       }); 
      } 
     }); 
    } 
} 

Answer 1

6月24日15：08：30.868 13184から13184/com.example.newrosoft1.dentafy D/valoareエステ％@：ファイル：///ファイル％3A /記憶/エミュレート/ 0 /アンドロイド/ data/com.example.newrosoft1.dentafy/files/Pictures/JPEG_20160624_150829_558130986.jpg 06-24 15：08：30.868 13184-13184/com.example.newrosoft1.dentafy D/valoare 2 este％@：file：///ファイル％3A/storage/emulated/0/Android/data/com.example.newrosoft1.dentafy/files/Pictures/JPEG_20160624_150829_558130986.jpg 06-24 15：08：30.948 13184-13184/com.example.newrosoft1.dentafy D/valoare este％@：ファイル：///file%3A/storage/emulated/0/Android/data/com.example.newrosoft1.dentafy/files/Pictures/JPEG_20160624_150829_558130986.jpg 06-24 15：08：30.948 13184 -13184/com.example.newrosof t1.dentafy D/valoare 2エステ％@：ファイル：///file%3A/storage/emulated/0/Android/data/com.example.newrosoft1.dentafy/files/Pictures/JPEG_20160624_150829_558130986.jpg

とLOGCATのERROR： 6月24日15：08：34.712 13184から13184/com.example.newrosoft1.dentafy E/ViewRootImpl：sendUserActionEvent（）MVIEW == nullがここに

<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    android:orientation="vertical" android:layout_width="match_parent" 
    android:layout_height="match_parent" 
    android:background="@mipmap/background2" 
    android:paddingTop="97dp"> 

    <RelativeLayout 
     android:layout_width="fill_parent" 
     android:layout_height="fill_parent" 
     android:layout_marginTop="0dp"> 

     <ImageView 
      android:layout_width="fill_parent" 
      android:layout_height="250dp" 
      android:id="@+id/pictakenid" 
      android:layout_alignParentBottom="true" 
      android:scaleType="centerCrop" 
      android:layout_alignParentTop="true" /> 

     <ImageButton 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:id="@+id/usebtnid" 
      android:src="@drawable/use" 
      android:layout_marginBottom="46dp" 
      android:background="@android:color/transparent" 
      android:layout_marginRight="15dp" 
      android:layout_alignParentBottom="true" 
      android:layout_alignParentStart="true" 
      android:layout_marginStart="52dp" /> 

     <ImageButton 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:id="@+id/retakebtnid" 
      android:src="@drawable/retake2" 
      android:background="@android:color/transparent" 
      android:layout_alignTop="@+id/usebtnid" 
      android:layout_alignParentEnd="true" 
      android:layout_marginEnd="31dp" /> 

     <TextView 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:text="USE" 
      android:id="@+id/usetextid" 
      android:textSize="23dp" 
      android:textColor="#ffffff" 
      android:textAlignment="center" 
      android:contextClickable="false" 
      android:layout_marginBottom="44dp" 
      android:layout_alignBottom="@+id/usebtnid" 
      android:layout_alignStart="@+id/usebtnid" 
      android:layout_marginStart="37dp" /> 

     <TextView 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:text="RETAKE" 
      android:id="@+id/retaketxtid" 
      android:textSize="23dp" 
      android:textColor="#ffffff" 
      android:layout_marginRight="18dp" 
      android:layout_alignTop="@+id/usetextid" 
      android:layout_alignEnd="@+id/retakebtnid" /> 

    </RelativeLayout> 

</LinearLayout> 

私は、ファイルを作成

：

String mCurrentPhotoPath; 

    private File createImageFile() throws IOException { 
     // Create an image file name 
     String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date()); 
     String imageFileName = "JPEG_" + timeStamp + "_"; 
     File storageDir = getExternalFilesDir(Environment.DIRECTORY_PICTURES); 
     File image = File.createTempFile(
       imageFileName, /* prefix */ 
       ".jpg",   /* suffix */ 
       storageDir  /* directory */ 
     ); 

     // Save a file: path for use with ACTION_VIEW intents 
     mCurrentPhotoPath = "file:" + image.getAbsolutePath(); 
     Uri auxPath=getU(image); 
     Preferences prefs = Preferences.userNodeForPackage(com.example.newrosoft1.dentafy.MainMenuActivity.class); 

// Preference key name 
     final String PREF_NAME = "Link"; 

// Set the value of the preference 
     String newValue = auxPath.toString(); 
     prefs.put(PREF_NAME, newValue); 

// Get the value of the preference; 
// default value is returned if the preference does not exist 




     return image; 
    } 

    public Uri getU(File u){ 
     String x; 
     x=getpath(); 
     File f = new File (x); 
     Uri imageUri = Uri.fromFile(f); 
     return imageUri; 
    } 

    public String getpath(){ 
     return mCurrentPhotoPath; 
    } 


}