mirror of
https://github.com/gsantner/dandelion
synced 2025-09-10 10:49:42 +02:00
Change package ID of gsantner/opoc
This commit is contained in:
Gregor Santner
parent
b3129e0e91
commit
15a34a1895
20 changed files with 360 additions and 77 deletions
437
app/src/main/java/net/gsantner/opoc/util/ContextUtils.java
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437
app/src/main/java/net/gsantner/opoc/util/ContextUtils.java
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@ -0,0 +1,437 @@
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/*
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* ------------------------------------------------------------------------------
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* Gregor Santner <gsantner.github.io> wrote this. You can do whatever you want
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* with it. If we meet some day, and you think it is worth it, you can buy me a
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* coke in return. Provided as is without any kind of warranty. Do not blame or
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* sue me if something goes wrong. No attribution required. - Gregor Santner
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*
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* License: Creative Commons Zero (CC0 1.0)
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* http://creativecommons.org/publicdomain/zero/1.0/
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* ----------------------------------------------------------------------------
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*/
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package net.gsantner.opoc.util;
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import android.annotation.SuppressLint;
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import android.app.AlarmManager;
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import android.app.PendingIntent;
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import android.content.ActivityNotFoundException;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageInfo;
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import android.content.pm.PackageManager;
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import android.content.res.ColorStateList;
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import android.content.res.Configuration;
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import android.content.res.Resources;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Matrix;
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import android.graphics.drawable.BitmapDrawable;
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import android.graphics.drawable.Drawable;
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import android.graphics.drawable.VectorDrawable;
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import android.net.ConnectivityManager;
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import android.net.NetworkInfo;
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import android.net.Uri;
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import android.os.Build;
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import android.support.annotation.ColorRes;
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import android.support.annotation.DrawableRes;
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import android.support.annotation.Nullable;
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import android.support.annotation.RawRes;
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import android.support.annotation.StringRes;
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import android.support.graphics.drawable.VectorDrawableCompat;
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import android.support.v4.content.ContextCompat;
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import android.support.v4.graphics.drawable.DrawableCompat;
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import android.support.v7.app.AlertDialog;
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import android.support.v7.widget.AppCompatButton;
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import android.text.Html;
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import android.text.SpannableString;
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import android.text.Spanned;
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import android.text.TextUtils;
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import android.text.method.LinkMovementMethod;
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import android.util.DisplayMetrics;
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import android.view.View;
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import android.view.inputmethod.InputMethodManager;
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import android.webkit.WebView;
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import android.widget.ImageView;
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import android.widget.TextView;
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import android.widget.Toast;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.util.Locale;
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import static android.graphics.Bitmap.CompressFormat;
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@SuppressWarnings({"WeakerAccess", "unused", "SameParameterValue", "SpellCheckingInspection", "deprecation"})
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public class ContextUtils {
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//########################
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//## Members, Constructors
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//########################
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protected Context _context;
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public ContextUtils(Context context) {
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_context = context;
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}
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public Context context() {
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return _context;
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}
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//########################
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//## Resources
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//########################
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static class ResType {
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public static final String DRAWABLE = "drawable";
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public static final String STRING = "string";
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public static final String PLURAL = "plural";
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public static final String COLOR = "color";
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public static final String STYLE = "style";
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public static final String ARRAY = "array";
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public static final String DIMEN = "dimen";
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public static final String MENU = "menu";
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public static final String RAW = "raw";
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}
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public String str(@StringRes int strResId) {
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return _context.getString(strResId);
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}
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public Drawable drawable(@DrawableRes int resId) {
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return ContextCompat.getDrawable(_context, resId);
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}
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public int color(@ColorRes int resId) {
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return ContextCompat.getColor(_context, resId);
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}
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public int getResId(final String type, final String name) {
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return _context.getResources().getIdentifier(name, type, _context.getPackageName());
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}
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public boolean areResIdsAvailable(final String type, final String... names) {
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for (String name : names) {
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if (getResId(type, name) == 0) {
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return false;
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}
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}
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return true;
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}
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//########################
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//## Methods
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//########################
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public String colorToHexString(int intColor) {
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return String.format("#%06X", 0xFFFFFF & intColor);
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}
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public String getAppVersionName() {
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try {
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PackageManager manager = _context.getPackageManager();
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PackageInfo info = manager.getPackageInfo(_context.getPackageName(), 0);
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return info.versionName;
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} catch (PackageManager.NameNotFoundException e) {
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e.printStackTrace();
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return "?";
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}
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}
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public void openWebpageInExternalBrowser(final String url) {
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Uri uri = Uri.parse(url);
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Intent intent = new Intent(Intent.ACTION_VIEW, uri);
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intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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_context.startActivity(intent);
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}
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/**
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* Get field from PackageId.BuildConfig
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* May be helpful in libraries, where a access to
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* BuildConfig would only get values of the library
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* rather than the app ones
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*/
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public Object getBuildConfigValue(String fieldName) {
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try {
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Class<?> c = Class.forName(_context.getPackageName() + ".BuildConfig");
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return c.getField(fieldName).get(null);
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} catch (Exception e) {
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e.printStackTrace();
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return null;
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}
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}
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public boolean getBuildConfigBoolean(String fieldName, boolean defaultValue) {
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Object field = getBuildConfigValue(fieldName);
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if (field != null && field instanceof Boolean) {
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return (Boolean) field;
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}
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return defaultValue;
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}
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public boolean isGooglePlayBuild() {
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return getBuildConfigBoolean("IS_GPLAY_BUILD", true);
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}
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public boolean isFossBuild() {
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return getBuildConfigBoolean("IS_FOSS_BUILD", false);
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}
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// Requires donate__bitcoin_* resources (see below) to be available as string resource
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public void showDonateBitcoinRequest(@StringRes final int strResBitcoinId, @StringRes final int strResBitcoinAmount, @StringRes final int strResBitcoinMessage, @StringRes final int strResAlternativeDonateUrl) {
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if (!isGooglePlayBuild()) {
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String btcUri = String.format("bitcoin:%s?amount=%s&label=%s&message=%s",
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str(strResBitcoinId), str(strResBitcoinAmount),
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str(strResBitcoinMessage), str(strResBitcoinMessage));
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Intent intent = new Intent(Intent.ACTION_VIEW);
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intent.setData(Uri.parse(btcUri));
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intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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try {
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_context.startActivity(intent);
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} catch (ActivityNotFoundException e) {
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openWebpageInExternalBrowser(str(strResAlternativeDonateUrl));
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}
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}
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}
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public String readTextfileFromRawRes(@RawRes int rawResId, String linePrefix, String linePostfix) {
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StringBuilder sb = new StringBuilder();
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BufferedReader br = null;
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String line;
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linePrefix = linePrefix == null ? "" : linePrefix;
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linePostfix = linePostfix == null ? "" : linePostfix;
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try {
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br = new BufferedReader(new InputStreamReader(_context.getResources().openRawResource(rawResId)));
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while ((line = br.readLine()) != null) {
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sb.append(linePrefix);
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sb.append(line);
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sb.append(linePostfix);
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sb.append("\n");
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}
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} catch (Exception ignored) {
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} finally {
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if (br != null) {
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try {
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br.close();
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} catch (IOException ignored) {
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}
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}
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}
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return sb.toString();
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}
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public void showDialogWithRawFileInWebView(String fileInRaw, @StringRes int resTitleId) {
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WebView wv = new WebView(_context);
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wv.loadUrl("file:///android_res/raw/" + fileInRaw);
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AlertDialog.Builder dialog = new AlertDialog.Builder(_context)
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.setPositiveButton(android.R.string.ok, null)
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.setTitle(resTitleId)
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.setView(wv);
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dialog.show();
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}
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@SuppressLint("RestrictedApi")
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@SuppressWarnings("RestrictedApi")
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public void setTintColorOfButton(AppCompatButton button, @ColorRes int resColor) {
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button.setSupportBackgroundTintList(ColorStateList.valueOf(
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color(resColor)
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));
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}
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public boolean isConnectedToInternet() {
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ConnectivityManager connectivityManager = (ConnectivityManager)
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_context.getSystemService(Context.CONNECTIVITY_SERVICE);
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NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();
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return activeNetInfo != null && activeNetInfo.isConnectedOrConnecting();
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}
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public boolean isConnectedToInternet(@Nullable @StringRes Integer warnMessageStringRes) {
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final boolean result = isConnectedToInternet();
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if (!result && warnMessageStringRes != null)
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Toast.makeText(_context, _context.getString(warnMessageStringRes), Toast.LENGTH_SHORT).show();
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return result;
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}
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public void restartApp(Class classToStartupWith) {
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Intent restartIntent = new Intent(_context, classToStartupWith);
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PendingIntent restartIntentP = PendingIntent.getActivity(_context, 555,
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restartIntent, PendingIntent.FLAG_CANCEL_CURRENT);
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AlarmManager mgr = (AlarmManager) _context.getSystemService(Context.ALARM_SERVICE);
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mgr.set(AlarmManager.RTC, System.currentTimeMillis() + 100, restartIntentP);
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System.exit(0);
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}
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public String loadMarkdownForTextViewFromRaw(@RawRes int rawMdFile, String prepend) {
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try {
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return new SimpleMarkdownParser()
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.parse(_context.getResources().openRawResource(rawMdFile),
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prepend, SimpleMarkdownParser.FILTER_ANDROID_TEXTVIEW)
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.replaceColor("#000001", color(getResId(ResType.COLOR, "accent")))
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.removeMultiNewlines().replaceBulletCharacter("*").getHtml();
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} catch (IOException e) {
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e.printStackTrace();
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return "";
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}
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}
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public void setHtmlToTextView(TextView textView, String html) {
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textView.setMovementMethod(LinkMovementMethod.getInstance());
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textView.setText(new SpannableString(htmlToSpanned(html)));
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}
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public double getEstimatedScreenSizeInches() {
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DisplayMetrics dm = _context.getResources().getDisplayMetrics();
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double density = dm.density * 160;
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double x = Math.pow(dm.widthPixels / density, 2);
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double y = Math.pow(dm.heightPixels / density, 2);
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double screenInches = Math.sqrt(x + y) * 1.16; // 1.16 = est. Nav/Statusbar
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screenInches = screenInches < 4.0 ? 4.0 : screenInches;
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screenInches = screenInches > 12.0 ? 12.0 : screenInches;
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return screenInches;
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}
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public boolean isInPortraitMode() {
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return _context.getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT;
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}
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public Locale getLocaleByAndroidCode(String code) {
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if (!TextUtils.isEmpty(code)) {
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return code.contains("-r")
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? new Locale(code.substring(0, 2), code.substring(4, 6)) // de-rAt
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: new Locale(code); // de
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}
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return Resources.getSystem().getConfiguration().locale;
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}
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// en/de/de-rAt ; Empty string -> default locale
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public void setAppLanguage(String androidLocaleString) {
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Locale locale = getLocaleByAndroidCode(androidLocaleString);
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Configuration config = _context.getResources().getConfiguration();
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config.locale = (locale != null && !androidLocaleString.isEmpty())
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? locale : Resources.getSystem().getConfiguration().locale;
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_context.getResources().updateConfiguration(config, null);
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}
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// Find out if color above the given color should be light or dark. true if light
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public boolean shouldColorOnTopBeLight(int colorOnBottomInt) {
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return 186 > (((0.299 * Color.red(colorOnBottomInt))
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+ ((0.587 * Color.green(colorOnBottomInt))
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+ (0.114 * Color.blue(colorOnBottomInt)))));
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}
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@SuppressWarnings("deprecation")
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public Spanned htmlToSpanned(String html) {
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Spanned result;
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if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
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result = Html.fromHtml(html, Html.FROM_HTML_MODE_LEGACY);
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} else {
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result = Html.fromHtml(html);
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}
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return result;
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}
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public float px2dp(final float px) {
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return px / _context.getResources().getDisplayMetrics().density;
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}
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public float dp2px(final float dp) {
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return dp * _context.getResources().getDisplayMetrics().density;
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}
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public void setViewVisible(View view, boolean visible) {
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view.setVisibility(visible ? View.VISIBLE : View.GONE);
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}
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public static void setDrawableWithColorToImageView(ImageView imageView, @DrawableRes int drawableResId, @ColorRes int colorResId) {
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imageView.setImageResource(drawableResId);
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imageView.setColorFilter(ContextCompat.getColor(imageView.getContext(), colorResId));
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}
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public Bitmap drawableToBitmap(Drawable drawable) {
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Bitmap bitmap = null;
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && (drawable instanceof VectorDrawable || drawable instanceof VectorDrawableCompat)) {
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if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
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drawable = (DrawableCompat.wrap(drawable)).mutate();
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}
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bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(),
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drawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
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Canvas canvas = new Canvas(bitmap);
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drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
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drawable.draw(canvas);
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} else if (drawable instanceof BitmapDrawable) {
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bitmap = ((BitmapDrawable) drawable).getBitmap();
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}
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return bitmap;
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}
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public Bitmap loadImageFromFilesystem(String imagePath, int maxDimen) {
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BitmapFactory.Options options = new BitmapFactory.Options();
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options.inJustDecodeBounds = true;
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BitmapFactory.decodeFile(imagePath, options);
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options.inSampleSize = calculateInSampleSize(options, maxDimen);
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options.inJustDecodeBounds = false;
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return BitmapFactory.decodeFile(imagePath, options);
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}
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/**
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* Calculates the scaling factor so the bitmap is maximal as big as the maxDimen
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*
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* @param options Bitmap-options that contain the current dimensions of the bitmap
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* @param maxDimen Max size of the Bitmap (width or height)
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* @return the scaling factor that needs to be applied to the bitmap
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*/
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public int calculateInSampleSize(BitmapFactory.Options options, int maxDimen) {
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// Raw height and width of image
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int height = options.outHeight;
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int width = options.outWidth;
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int inSampleSize = 1;
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if (Math.max(height, width) > maxDimen) {
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inSampleSize = Math.round(1f * Math.max(height, width) / maxDimen);
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}
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return inSampleSize;
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}
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public Bitmap scaleBitmap(Bitmap bitmap, int maxDimen) {
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int picSize = Math.min(bitmap.getHeight(), bitmap.getWidth());
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float scale = 1.f * maxDimen / picSize;
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Matrix matrix = new Matrix();
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matrix.postScale(scale, scale);
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return Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
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}
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public File writeImageToFileJpeg(String path, String filename, Bitmap image) {
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return writeImageToFile(path, filename, image, Bitmap.CompressFormat.JPEG, 95);
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}
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public File writeImageToFile(String path, String filename, Bitmap image, CompressFormat format, int quality) {
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File imageFile = new File(path);
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if (imageFile.exists() || imageFile.mkdirs()) {
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imageFile = new File(path, filename);
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FileOutputStream stream = null;
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try {
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stream = new FileOutputStream(imageFile); // overwrites this image every time
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image.compress(format, quality, stream);
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return imageFile;
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} catch (FileNotFoundException ignored) {
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} finally {
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try {
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if (stream != null) {
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stream.close();
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}
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} catch (IOException ignored) {
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}
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}
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}
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return null;
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}
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}
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