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Nextrek / Android / SmartCharging / SmartCharging / app / src / main / java / it / fedeloper / smartcharging / Manager / Utils.java
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package it.fedeloper.smartcharging.Manager; import android.content.Context; import android.database.Cursor; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Matrix; import android.graphics.Paint; import android.graphics.drawable.GradientDrawable; import android.media.ExifInterface; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.net.Uri; import android.os.Debug; import android.provider.MediaStore; import android.util.DisplayMetrics; import android.util.Log; import android.view.Gravity; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.InetAddress; import java.net.URI; import java.net.URL; import java.util.regex.Matcher; import java.util.regex.Pattern; import it.fedeloper.smartcharging.R; /** * Created by federico on 11/08/2015. */ public class Utils { public static String getTipologiaFromId(Context c,int id) { final String[] tipi = c.getResources().getStringArray(R.array.type_array); return tipi[id-1]; } public static Uri getImageUri(Context inContext, Bitmap inImage) { ByteArrayOutputStream bytes = new ByteArrayOutputStream(); inImage.compress(Bitmap.CompressFormat.JPEG, 100, bytes); String path = MediaStore.Images.Media.insertImage(inContext.getContentResolver(), inImage, "Images", null); Uri u=Uri.parse(path); String s=getRealPathFromURI(inContext,u); File f=new File(s); File file= new File(f.getParent(),".nomedia"); if (!file.exists()){ try { file.createNewFile(); } catch (IOException e) { e.printStackTrace(); } } return u; } public static String getRealPathFromURI(Context context, Uri contentUri) { Cursor cursor = null; try { String[] proj = { MediaStore.Images.Media.DATA }; cursor = context.getContentResolver().query(contentUri, proj, null, null, null); int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA); cursor.moveToFirst(); return cursor.getString(column_index); } finally { if (cursor != null) { cursor.close(); } } } public static int calculateInSampleSize( BitmapFactory.Options options, int reqWidth, int reqHeight) { // Raw height and width of image final int height = options.outHeight; final int width = options.outWidth; int inSampleSize = 1; if (height > reqHeight || width > reqWidth) { final int halfHeight = height / 2; final int halfWidth = width / 2; // Calculate the largest inSampleSize value that is a power of 2 and keeps both // height and width larger than the requested height and width. while ((halfHeight / inSampleSize) > reqHeight && (halfWidth / inSampleSize) > reqWidth) { inSampleSize *= 2; } } return inSampleSize; } public static int dpToPx(int dp, Context c) { DisplayMetrics displayMetrics = c.getResources().getDisplayMetrics(); int px = Math.round(dp * (displayMetrics.xdpi / DisplayMetrics.DENSITY_DEFAULT)); return px; } public static boolean isValidEmailAddress(String email) { String ePattern = "^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\])|(([a-zA-Z\\-0-9]+\\.)+[a-zA-Z]{2,}))$"; java.util.regex.Pattern p = java.util.regex.Pattern.compile(ePattern); java.util.regex.Matcher m = p.matcher(email); return m.matches(); } public static Bitmap getBitmapFromURL(String src) { try { URL url = new URL(src); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setDoInput(true); connection.connect(); InputStream input = connection.getInputStream(); return decodeBitmapFromStreamFixed(input, 1000, 1000); } catch (IOException e) { e.printStackTrace(); return null; } } public static Bitmap decodeBitmapFromStreamFixed(InputStream inputStream, int reqWidth, int reqHeight) { return decodeBitmapFromStreamFixed(inputStream, reqWidth, reqHeight, null); } public static Bitmap decodeBitmapFromStreamFixed(InputStream inputStream, int reqWidth, int reqHeight, String path){ byte[] byteArr = new byte[0]; byte[] buffer = new byte[1024]; int len; int count = 0; try { while ((len = inputStream.read(buffer)) > -1) { if (len != 0) { if (count + len > byteArr.length) { byte[] newbuf = new byte[(count + len) * 2]; System.arraycopy(byteArr, 0, newbuf, 0, count); byteArr = newbuf; } System.arraycopy(buffer, 0, byteArr, count, len); count += len; } } final BitmapFactory.Options options = new BitmapFactory.Options(); options.inJustDecodeBounds = true; BitmapFactory.decodeByteArray(byteArr, 0, count, options); options.inSampleSize = calculateInSampleSize(options, reqWidth, reqHeight); options.inPurgeable = true; options.inInputShareable = true; options.inJustDecodeBounds = false; options.inPreferredConfig = Bitmap.Config.ARGB_8888; Bitmap finalBitmap = BitmapFactory.decodeByteArray(byteArr, 0, count, options); if(path==null) return finalBitmap; return rotateBitmap(finalBitmap, path); } catch (Exception e) { e.printStackTrace(); return null; } } private static Bitmap rotateBitmap(Bitmap finalBitmap, String path) { ExifInterface exif = null; try { exif = new ExifInterface(path); } catch (IOException e) { e.printStackTrace(); } int orientation; try { orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_UNDEFINED); } catch (NullPointerException e) { e.printStackTrace(); return finalBitmap; } Matrix matrix = new Matrix(); switch (orientation) { case ExifInterface.ORIENTATION_NORMAL: return finalBitmap; case ExifInterface.ORIENTATION_FLIP_HORIZONTAL: matrix.setScale(-1, 1); break; case ExifInterface.ORIENTATION_ROTATE_180: matrix.setRotate(180); break; case ExifInterface.ORIENTATION_FLIP_VERTICAL: matrix.setRotate(180); matrix.postScale(-1, 1); break; case ExifInterface.ORIENTATION_TRANSPOSE: matrix.setRotate(90); matrix.postScale(-1, 1); break; case ExifInterface.ORIENTATION_ROTATE_90: matrix.setRotate(90); break; case ExifInterface.ORIENTATION_TRANSVERSE: matrix.setRotate(-90); matrix.postScale(-1, 1); break; case ExifInterface.ORIENTATION_ROTATE_270: matrix.setRotate(-90); break; default: return finalBitmap; } try { Bitmap bmRotated = Bitmap.createBitmap(finalBitmap, 0, 0, finalBitmap.getWidth(), finalBitmap.getHeight(), matrix, true); finalBitmap.recycle(); return bmRotated; } catch (OutOfMemoryError e) { e.printStackTrace(); return null; } } public static Bitmap mergeBitmaps(Bitmap original, Bitmap overlay) { Bitmap result = Bitmap.createBitmap(original.getWidth(), original .getHeight(), Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(result); Paint paint = new Paint(); paint.setAntiAlias(true); if (original.getHeight() < original.getWidth()) overlay = Utils.getOptimizedBitmap(overlay, original.getHeight()); else overlay = Utils.getOptimizedBitmap(overlay, original.getWidth()); canvas.drawBitmap(original, 0, 0, paint); canvas.drawBitmap(overlay, (original.getWidth() - overlay.getWidth()) / 2, (original.getHeight() - overlay.getHeight()) / 2, paint); return result; } public static Bitmap getOptimizedBitmap(Bitmap b, int maxms) { if (b.getWidth() > maxms) b = Bitmap.createScaledBitmap(b, b.getWidth() / (b.getWidth() / maxms), b.getHeight() / (b.getWidth() / maxms), false); if (b.getHeight() > maxms) b = Bitmap.createScaledBitmap(b, b.getWidth() / (b.getHeight() / maxms), b.getHeight() / (b.getHeight() / maxms), false); return b; } public static boolean isConnectionAvailable(Context context) { ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo(); return activeNetworkInfo != null && activeNetworkInfo.isConnected(); } public static boolean isNetworkConnected(Context c) { ConnectivityManager cm = (ConnectivityManager) c.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo ni = cm.getActiveNetworkInfo(); if (ni == null) { toast(c, R.string.no_connection); return false; } else return true; } public boolean isInternetAvailable(Context c) { try { InetAddress ipAddr = InetAddress.getByName("google.com"); if (ipAddr.toString().equals("")) { toast(c, R.string.Internet_no_work); return false; } else return true; } catch (Exception e) { return false; } } public static void toast(Context c,int source) { try { Toast.makeText(c, c.getText(source), Toast.LENGTH_SHORT).show(); }catch (Exception e){} // LayoutInflater inflater = LayoutInflater.from(c); // View layout = inflater.inflate(R.layout.toast_layout, null); // // TextView text = (TextView) layout.findViewById(R.id.text); // text.setText(c.getString(source)); // // Toast toast = new Toast(c.getApplicationContext()); // toast.setGravity(Gravity.BOTTOM, 0, -100); // toast.setDuration(Toast.LENGTH_LONG); // toast.setView(layout); // // toast.show(); } } |
Commits for Nextrek/Android/SmartCharging/SmartCharging/app/src/main/java/it/fedeloper/smartcharging/Manager/Utils.java
Revision | Author | Commited | Message |
---|---|---|---|
785 Diff | FFontana | Sat 26 Sep, 2015 14:15:20 +0000 | |
765 Diff | MStefanelli | Tue 22 Sep, 2015 10:03:07 +0000 | me |
715 Diff | MStefanelli | Tue 08 Sep, 2015 07:59:31 +0000 | me |
697 Diff | FFontana | Mon 07 Sep, 2015 12:37:18 +0000 | |
696 Diff | FFontana | Mon 07 Sep, 2015 10:52:07 +0000 | |
690 Diff | MStefanelli | Fri 04 Sep, 2015 15:46:58 +0000 | me |
679 Diff | FFontana | Fri 04 Sep, 2015 14:15:27 +0000 | |
667 Diff | FFontana | Fri 04 Sep, 2015 10:26:22 +0000 | |
599 Diff | MStefanelli | Fri 28 Aug, 2015 07:16:44 +0000 | |
547 | MStefanelli | Tue 25 Aug, 2015 10:11:57 +0000 | me |