Simple email application for Android. Original source code: https://framagit.org/dystopia-project/simple-email
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package eu.faircode.email;
/*
This file is part of Safe email.
Safe email is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
NetGuard is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with NetGuard. If not, see <http://www.gnu.org/licenses/>.
Copyright 2018 by Marcel Bokhorst (M66B)
*/
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.ColorMatrix;
import android.graphics.ColorMatrixColorFilter;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.Spinner;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import androidx.annotation.NonNull;
public class Helper {
static final String TAG = BuildConfig.APPLICATION_ID;
static int resolveColor(Context context, int attr) {
int[] attrs = new int[]{attr};
TypedArray a = context.getTheme().obtainStyledAttributes(attrs);
int color = a.getColor(0, 0xFF0000);
a.recycle();
return color;
}
static Drawable toDimmed(@NonNull Drawable drawable) {
ColorMatrix matrix = new ColorMatrix();
matrix.setSaturation(0);
ColorMatrixColorFilter filter = new ColorMatrixColorFilter(matrix);
Drawable mutated = drawable.mutate();
mutated.setColorFilter(filter);
mutated.setAlpha(128);
return mutated;
}
static void setViewsEnabled(ViewGroup view, boolean enabled) {
for (int i = 0; i < view.getChildCount(); i++) {
View child = view.getChildAt(i);
if (child instanceof Spinner ||
child instanceof EditText ||
child instanceof CheckBox ||
child instanceof ImageButton)
child.setEnabled(enabled);
else if (child instanceof ViewGroup)
setViewsEnabled((ViewGroup) child, enabled);
}
}
static String localizeFolderName(Context context, String name) {
if ("INBOX".equals(name))
return context.getString(R.string.title_folder_inbox);
else if ("OUTBOX".equals(name))
return context.getString(R.string.title_folder_outbox);
else
return name;
}
static String localizeFolderName(Context context, TupleFolderEx folder) {
if (TextUtils.isEmpty(folder.accountName))
return localizeFolderName(context, folder.name);
else
return localizeFolderName(context, folder.name) + "/" + folder.accountName;
}
static String formatThrowable(Throwable ex) {
StringBuilder sb = new StringBuilder();
sb.append(ex.getMessage());
Throwable cause = ex.getCause();
while (cause != null) {
sb.append(" ").append(cause.getMessage());
cause = cause.getCause();
}
return sb.toString();
}
static String humanReadableByteCount(long bytes, boolean si) {
int unit = si ? 1000 : 1024;
if (bytes < unit) return bytes + " B";
int exp = (int) (Math.log(bytes) / Math.log(unit));
String pre = (si ? "kMGTPE" : "KMGTPE").charAt(exp - 1) + (si ? "" : "i");
return String.format("%.1f %sB", bytes / Math.pow(unit, exp), pre);
}
static StringBuilder getDebugInfo() {
StringBuilder sb = new StringBuilder();
// Get version info
sb.append(String.format("%s: %s/%d\r\n", BuildConfig.APPLICATION_ID, BuildConfig.VERSION_NAME, BuildConfig.VERSION_CODE));
sb.append(String.format("Android: %s (SDK %d)\r\n", Build.VERSION.RELEASE, Build.VERSION.SDK_INT));
sb.append("\r\n");
// Get device info
sb.append(String.format("Brand: %s\r\n", Build.BRAND));
sb.append(String.format("Manufacturer: %s\r\n", Build.MANUFACTURER));
sb.append(String.format("Model: %s\r\n", Build.MODEL));
sb.append(String.format("Product: %s\r\n", Build.PRODUCT));
sb.append(String.format("Device: %s\r\n", Build.DEVICE));
sb.append(String.format("Host: %s\r\n", Build.HOST));
sb.append(String.format("Display: %s\r\n", Build.DISPLAY));
sb.append(String.format("Id: %s\r\n", Build.ID));
sb.append("\r\n");
// Get logcat
Process proc = null;
BufferedReader br = null;
try {
String[] cmd = new String[]{"logcat", "-d", "-v", "threadtime"};
proc = Runtime.getRuntime().exec(cmd);
br = new BufferedReader(new InputStreamReader(proc.getInputStream()));
String line;
while ((line = br.readLine()) != null)
sb.append(line).append("\r\n");
} catch (IOException ex) {
Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
} finally {
if (br != null)
try {
br.close();
} catch (IOException ignored) {
}
if (proc != null)
try {
proc.destroy();
} catch (Throwable ex) {
Log.w(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
}
}
return sb;
}
}