small change to test

Author: cs-joy

FaceDetection/app/src/main/java/com/tss/facedetection/MainActivity.java

@@ -10,7 +10,6 @@
 import android.view.View;
 import android.widget.Button;
 import android.widget.ImageView;
-import android.widget.TextView;
 
 import com.chaquo.python.PyObject;
 import com.chaquo.python.Python;

FaceDetection/app/src/main/java/com/tss/facedetection/MainActivityForUploadImageSelection.java

@@ -0,0 +1,112 @@
+package com.tss.facedetection;
+
+import androidx.activity.result.ActivityResultLauncher;
+import androidx.activity.result.contract.ActivityResultContracts;
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.graphics.Bitmap;
+import android.graphics.drawable.BitmapDrawable;
+import android.net.Uri;
+import android.os.Bundle;
+import android.provider.MediaStore;
+import android.view.View;
+import android.widget.Button;
+import android.widget.ImageView;
+
+import java.io.IOException;
+
+public class MainActivityForUploadImageSelection extends AppCompatActivity {
+
+    // One Button
+    Button BSelectImage;
+
+    // One Preview Image
+    ImageView IVPreviewImage;
+
+    // constant to compare
+    // the activity result code
+    int SELECT_PICTURE = 200;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.up);
+
+        // register the UI widgets with their appropriate IDs
+        BSelectImage = findViewById(R.id.BSelectImage);
+        IVPreviewImage = findViewById(R.id.IVPreviewImage);
+
+        // handle the Choose Image button to trigger
+        // the image chooser function
+        BSelectImage.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                imageChooser();
+            }
+        });
+    }
+
+    // this function is triggered when
+    // the Select Image Button is clicked
+    private void imageChooser()
+    {
+        Intent i = new Intent();
+        i.setType("image/*");
+        i.setAction(Intent.ACTION_GET_CONTENT);
+
+        launchSomeActivity.launch(i);
+    }
+
+    ActivityResultLauncher<Intent> launchSomeActivity
+            = registerForActivityResult(
+            new ActivityResultContracts
+                    .StartActivityForResult(),
+            result -> {
+                if (result.getResultCode()
+                        == Activity.RESULT_OK) {
+                    Intent data = result.getData();
+                    // do your operation from here....
+                    if (data != null
+                            && data.getData() != null) {
+                        Uri selectedImageUri = data.getData();
+                        BitmapDrawable drawable;
+                        Bitmap selectedImageBitmap;
+                        drawable  = (BitmapDrawable)IVPreviewImage.getDrawable();
+                        selectedImageBitmap = drawable.getBitmap();
+                        try {
+                            selectedImageBitmap
+                                    = MediaStore.Images.Media.getBitmap(
+                                    this.getContentResolver(),
+                                    selectedImageUri);
+                        }
+                        catch (IOException e) {
+                            e.printStackTrace();
+                        }
+                        IVPreviewImage.setImageBitmap(
+                                selectedImageBitmap);
+                    }
+                }
+            });
+
+    // this function is triggered when user
+    // selects the image from the imageChooser
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+
+        if (resultCode == RESULT_OK) {
+
+            // compare the resultCode with the
+            // SELECT_PICTURE constant
+            if (requestCode == SELECT_PICTURE) {
+                // Get the url of the image from data
+                Uri selectedImageUri = data.getData();
+                if (null != selectedImageUri) {
+                    // update the preview image in the layout
+                    IVPreviewImage.setImageURI(selectedImageUri);
+                }
+            }
+        }
+    }
+}

FaceDetection/app/src/main/res/layout/up.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout
+    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"
+    tools:ignore="HardcodedText">
+
+    <!--Button to open the image selector-->
+    <Button
+        android:id="@+id/BSelectImage"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerHorizontal="true"
+        android:layout_marginTop="32dp"
+        android:text="SELECT IMAGE"
+        android:textColor="@android:color/white"
+        android:textSize="18sp" />
+
+    <!--ImageView to preview the selected image-->
+    <ImageView
+        android:id="@+id/IVPreviewImage"
+        android:layout_width="match_parent"
+        android:layout_height="300dp"
+        android:layout_below="@id/BSelectImage"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="16dp"
+        android:layout_marginEnd="16dp" />
+
+</RelativeLayout>