Back to project page DailySelfie.
The source code is released under:
MIT License
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package com.coursera.dailyselfie; //from w ww .ja v a 2s . c om import android.app.Activity; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Matrix; import android.os.Bundle; import android.util.DisplayMetrics; import android.view.Menu; import android.view.MenuItem; import android.widget.ImageView; public class ViewSelfieActivity extends Activity { private String mCurrentPhotoPath; private ImageView mImageView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_view_selfie); mImageView = (ImageView) findViewById(R.id.image); mCurrentPhotoPath = getIntent().getExtras().getString("filename"); mCurrentPhotoPath = mCurrentPhotoPath.replace("file:", ""); setPic(); } private void setPic() { // Get the dimensions of the View DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics(); int targetW = metrics.widthPixels; int targetH = metrics.heightPixels; // Get the dimensions of the bitmap BitmapFactory.Options bmOptions = new BitmapFactory.Options(); bmOptions.inJustDecodeBounds = true; BitmapFactory.decodeFile(mCurrentPhotoPath, bmOptions); int photoW = bmOptions.outWidth; int photoH = bmOptions.outHeight; // Determine how much to scale down the image int scaleFactor = Math.min(photoW/targetW, photoH/targetH); // Decode the image file into a Bitmap sized to fill the View bmOptions.inJustDecodeBounds = false; bmOptions.inSampleSize = scaleFactor; bmOptions.inPurgeable = true; Matrix matrix = new Matrix(); matrix.postRotate(90); Bitmap bitmap = BitmapFactory.decodeFile(mCurrentPhotoPath, bmOptions); Bitmap rotated = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true); mImageView.setImageBitmap(rotated); bitmap.recycle(); } }