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How to How to read an image file in internal storage in android

Today the Android programming blog will introduce you to a problem How to read an image file in internal storage in android with the following simple steps:

Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.

Step 2 − Add the following code to res/layout/activity_main.xml.

<?xml version = "1.0" encoding = "utf-8"?>

<LinearLayout xmlns:android = "http://schemas.android.com/apk/res/android"

   xmlns:tools = "http://schemas.android.com/tools"

   android:layout_width = "match_parent"

   android:layout_height = "match_parent"

   tools:context = ".MainActivity"

   android:orientation = "vertical">

   <Button

      android:id = "@+id/read"

      android:text = "read"

      android:layout_width = "wrap_content"

      android:layout_height = "wrap_content" />

   <ImageView

      android:id = "@+id/imageView"

      android:layout_width = "300dp"

      android:layout_height = "300dp" />

</LinearLayout>

In the above code, we have taken a button and image view. When user click on button, it will take an image from internal storage and append to image view.

Step 3 − Add the following code to src/MainActivity.java

public class MainActivity extends AppCompatActivity {

   Button read;

   ImageView imageView;

   @Override

   protected void onCreate(Bundle readdInstanceState) {

      super.onCreate(readdInstanceState);

      setContentView(R.layout.activity_main);

      imageView = findViewById(R.id.imageView);

      read = findViewById(R.id.read);

      read.setOnClickListener(new View.OnClickListener() {

         @Override

         public void onClick(View v) {

            ContextWrapper cw = new ContextWrapper(getApplicationContext());

            File directory = cw.getDir("imageDir", Context.MODE_PRIVATE);

            File file = new File(directory, "mario" + ".png");

            imageView.setImageDrawable(Drawable.createFromPath(file.toString()));

         }

      });

   }

}

Result example android 

That's the articleHow to How to read an image file in internal storage in android

That's it for the article How to How to read an image file in internal storage in android this time, hopefully can be useful for all of you. well, see you in another article post.

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