Using setImageDrawable dynamically to set image in an ImageView

Question

I am generating a string from database dynamically which has the same name of image in drawable folder   Now I want to set that value for ImageView using setImageDrawable R id StringGenerated  dynamically   Any Suggestions

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You can try to use this code   ImageView ImgView    ImageView findViewById R id ImgView   ImgView setImageResource R drawable myicon

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imageView setImageDrawable getResources   getDrawable R drawable my drawable

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btnImg SetImageDrawable GetDrawable Resource Drawable button round green     API 23 Android 6 0

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All the answers posted do not apply today  For example  getDrawable   is deprecated  Here is an updated answer  cheers   ContextCompat getDrawable mContext  drawable    From documented method     public static final android graphics drawable Drawable   getDrawable  NotNull android content Context context     android support annotation DrawableRes int id

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Drawable image   ImageOperations context ed toString    image jpg                ImageView imgView   new ImageView context               imgView    ImageView findViewById R id image1               imgView setImageDrawable image     or  setImageDrawable getResources   getDrawable R drawable icon

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If You cannot get Resources object like this in a class which is not an Activity  you have to add getContext   method for getResources   for example  ImageView image    ImageView  v findViewById R id item image   int id   getContext   getResources   getIdentifier imageName   drawable   getContext   getPackageName     image setImageResource id

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I had the same problem as you and I did the following to solve it     IMAGEVIEW   setImageResource getActivity                 getResources                 getIdentifier    IMG      drawable   getActivity                 getPackageName

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The  R  file can not be generated at the run time of the app  You may use some other alternatives such as using if-else or switch-case

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a piece of my project  everything works      Override     public void onBindViewHolder RecyclerView ViewHolder holder  int position            final ModelSystemTraining modelSystemTraining   items get position    int icon   context getResources   getIdentifier String valueOf modelSystemTraining getItemIcon      drawable   context getPackageName              final FragmentViewHolderSystem fragmentViewHolderSystem    FragmentViewHolderSystem  holder          final View itemView   fragmentViewHolderSystem itemView                    Set Icon fragmentViewHolderSystem trainingIconImage setImageResource icon                     Set Title fragmentViewHolderSystem title setText modelSystemTraining getItemTitle                       Set Desc fragmentViewHolderSystem description setText modelSystemTraining getItemDescription

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Construct a POJO java class and create  constructor  getter  amp  setter methods   class POJO          public POJO Drawable proImagePath                    setProductImagePath proImagePath                      public Drawable getProductImagePath                     return productImagePath                     public void setProductImagePath Drawable productImagePath                    this productImagePath   productImagePath                Then setup the adapters through image drawable resources to CustomAdapter java      class CustomAdapter extends ArrayAdapter lt POJO gt           private ArrayList lt POJO gt  cartList   new ArrayList lt POJO gt            public MyCartAdapter Context context  int resource              super context  resource                    public MyCartAdapter Context context  ArrayList lt POJO gt  cartList              super context  0  cartList             this context   context            this cartList   cartList                     Override        public View getView int position  View convertView  ViewGroup parent                            Here you can setup your layout and references                          ImageView productImage    ImageView  rootView findViewById R id cart pro image             productImage setImageDrawable POJO getProductImagePath                       Then pass the references through ActivityClass java  public class MyCartActivity extends AppCompatActivity         POJO pojo         CustomAdapter customAdapter         ArrayList lt POJO gt  cartList   new ArrayList lt POJO gt              Override        protected void onCreate Bundle savedInstanceState              super onCreate savedInstanceState             setContentView R layout your layout              customAdapter   new CustomAdapter this  cartList              pojo   new POJO getResources   getDrawable R drawable help green

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From API 22 use  Drawable myDrawable    ResourcesCompat getDrawable getResources                             R drawable dos red  null

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You can also use something like    imageView setImageDrawable ActivityCompat getDrawable getContext                        R drawable generatedID     or using Picasso   Picasso with getContext    load R drawable generatedId  into imageView

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This works  at least in Android API 15  ImageView   imgv  Resources res   getResources       need this to fetch the drawable Drawable draw   res getDrawable  R drawable image name in drawable    imgv setImageDrawable draw     You could use setImageResource    but the documentation specifies that   does Bitmap reading and decoding on the UI thread  which can cause a latency hiccup     consider using setImageDrawable   or setImageBitmap     as stated by chetto

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I personally prefer to use the method setImageResource   like this   ImageView myImageView    ImageView findViewById R id myImage   myImageView setImageResource R drawable icon

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The resource drawable names are not stored as strings  so you ll have to resolve the string into the integer constant generated during the build   You can use the Resources class to resolve the string into that integer   Resources res   getResources    int resourceId   res getIdentifier     generatedString   drawable   getPackageName      imageView setImageResource  resourceId      This resolves your generated string into the integer that the ImageView can use to load the right image   Alternately  you can use the id to load the Drawable manually and then set the image using that drawable instead of the resource ID   Drawable drawable   res getDrawable  resourceId    imageView setImageDrawable  drawable

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Try this   int id   getResources   getIdentifier  yourpackagename drawable     StringGenerated  null  null     This will return the id of the drawable you want to access    then you can set the image in the imageview by doing the following  imageview setImageResource id

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As simple as this answer   Drawable myDrawable   getResources   getDrawable R drawable pic   imageview setImageDrawable myDrawable

[android] Using setImageDrawable dynamically to set image in an ImageView

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