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How to write an image file in internal storage in android

 Today the Android programming blog will introduce you to a problem how to write 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/save"

android:text = "save"

android:layout_width = "wrap_content"

android:layout_height = "wrap_content" />

</LinearLayout>

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

public class MainActivity extends AppCompatActivity {

   Button save;

   Bitmap bitmap;

   @Override

   protected void onCreate(Bundle savedInstanceState) {

      super.onCreate(savedInstanceState);

      setContentView(R.layout.activity_main);

      Drawable drawable = getResources().getDrawable(R.drawable.mario);

      bitmap = ((BitmapDrawable) drawable).getBitmap();

      save = findViewById(R.id.save);

      save.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, "UniqueFileName" + ".jpg");

            if (!file.exists()) {

               Log.d("path", file.toString());

               FileOutputStream fos = null;

               try {

                  fos = new FileOutputStream(file);

                  bitmap.compress(Bitmap.CompressFormat.JPEG, 100, fos);

                  fos.flush();

                  fos.close();

               } catch (java.io.IOException e) {

                  e.printStackTrace();

               }

            }

         }

      });

   }

}

Result How to write an image file in internal storage in android

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

That's it for the article How to write 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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