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NewPipe
mirror of https://github.com/TeamNewPipe/NewPipe
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Code Issues Releases Wiki Activity

Fix charset issue. 

Move Java I/O related methods to separate thread.
This commit is contained in:
TobiGr 2017-10-20 23:41:30 +02:00
parent 74bda719a6
commit 0040ee5cb6
2 changed files with 112 additions and 72 deletions
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73
app/src/main/java/org/schabi/newpipe/about/LicenseFragment.java
View File

@ -1,22 +1,15 @@
package org.schabi.newpipe.about;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v7.app.AlertDialog;
import android.view.*;
import android.webkit.WebView;
import android.widget.TextView;
import org.schabi.newpipe.R;
import org.schabi.newpipe.util.ThemeHelper;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.Comparator;
@ -46,70 +39,7 @@ public class LicenseFragment extends Fragment {
* @param license the license to show
*/
public static void showLicense(Context context, License license) {
if(context == null) {
throw new NullPointerException("context is null");
}
if(license == null) {
throw new NullPointerException("license is null");
}
AlertDialog.Builder alert = new AlertDialog.Builder(context);
alert.setTitle(license.getName());
WebView wv = new WebView(context);
String licenseContent = "";
String webViewData;
try {
BufferedReader in = new BufferedReader(new InputStreamReader(context.getAssets().open(license.getFilename()), "UTF-8"));
String str;
while ((str = in.readLine()) != null) {
licenseContent += str;
}
in.close();
// split the HTML file and insert the stylesheet into the HEAD of the file
String[] insert = licenseContent.split("</head>");
webViewData = insert[0] + "<style type=\"text/css\">"
+ getLicenseStylesheet(context) + "</style></head>"
+ insert[1];
} catch (Exception e) {
throw new NullPointerException("could not get license file:" + getLicenseStylesheet(context));
}
wv.loadData(webViewData, "text/html", "utf-8");
alert.setView(wv);
alert.setNegativeButton(android.R.string.ok, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
alert.show();
}
public static String getLicenseStylesheet(Context context) {
return "body{padding:12px 15px;margin:0;background:#"
+ getHexRGBColor(context,(ThemeHelper.isLightThemeSelected(context))
? R.color.light_license_background_color
: R.color.dark_license_background_color)
+ ";color:#"
+ getHexRGBColor(context,(ThemeHelper.isLightThemeSelected(context))
? R.color.light_license_text_color
: R.color.dark_license_text_color) + ";}"
+ "a[href]{color:#"
+ getHexRGBColor(context,(ThemeHelper.isLightThemeSelected(context))
? R.color.light_youtube_primary_color
: R.color.dark_youtube_primary_color) + ";}"
+ "pre{white-space: pre-wrap;}";
}
/**
* Cast R.color to a hexadecimal color value
* @param context the context to use
* @param color the color number from R.color
* @return a six characters long String with hexadecimal RGB values
*/
public static String getHexRGBColor(Context context, int color) {
return context.getResources().getString(color).substring(3);
new LicenseFragmentHelper().execute(context, license);
}
@Override
@ -154,7 +84,6 @@ public class LicenseFragment extends Fragment {
});
softwareComponentsView.addView(componentView);
registerForContextMenu(componentView);
}
return rootView;
}

111
app/src/main/java/org/schabi/newpipe/about/LicenseFragmentHelper.java Normal file
View File

@ -0,0 +1,111 @@
package org.schabi.newpipe.about;
import android.content.Context;
import android.content.DialogInterface;
import android.os.AsyncTask;
import android.support.v7.app.AlertDialog;
import android.webkit.WebView;
import org.schabi.newpipe.R;
import org.schabi.newpipe.util.ThemeHelper;
import java.io.BufferedReader;
import java.io.InputStreamReader;
public class LicenseFragmentHelper extends AsyncTask<Object, Void, Integer> {
private Context context;
private License license;
@Override
protected Integer doInBackground(Object... objects) {
context = (Context) objects[0];
license = (License) objects[1];
return 1;
}
@Override
protected void onPostExecute(Integer result){
String webViewData = getFormattedLicense(context, license);
AlertDialog.Builder alert = new AlertDialog.Builder(context);
alert.setTitle(license.getName());
WebView wv = new WebView(context);
wv.loadData(webViewData, "text/html; charset=UTF-8", null);
alert.setView(wv);
alert.setNegativeButton(android.R.string.ok, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
alert.show();
}
/**
* @param context the context to use
* @param license the license
* @return String which contains a HTML formatted license page styled according to the context's theme
*/
public static String getFormattedLicense(Context context, License license) {
if(context == null) {
throw new NullPointerException("context is null");
}
if(license == null) {
throw new NullPointerException("license is null");
}
String licenseContent = "";
String webViewData;
try {
BufferedReader in = new BufferedReader(new InputStreamReader(context.getAssets().open(license.getFilename()), "UTF-8"));
String str;
while ((str = in.readLine()) != null) {
licenseContent += str;
}
in.close();
// split the HTML file and insert the stylesheet into the HEAD of the file
String[] insert = licenseContent.split("</head>");
webViewData = insert[0] + "<style type=\"text/css\">"
+ getLicenseStylesheet(context) + "</style></head>"
+ insert[1];
} catch (Exception e) {
throw new NullPointerException("could not get license file:" + getLicenseStylesheet(context));
}
return webViewData;
}
/**
*
* @param context
* @return String which is a CSS stylesheet according to the context's theme
*/
public static String getLicenseStylesheet(Context context) {
boolean isLightTheme = ThemeHelper.isLightThemeSelected(context);
return "body{padding:12px 15px;margin:0;background:#"
+ getHexRGBColor(context, isLightTheme
? R.color.light_license_background_color
: R.color.dark_license_background_color)
+ ";color:#"
+ getHexRGBColor(context, isLightTheme
? R.color.light_license_text_color
: R.color.dark_license_text_color) + ";}"
+ "a[href]{color:#"
+ getHexRGBColor(context, isLightTheme
? R.color.light_youtube_primary_color
: R.color.dark_youtube_primary_color) + ";}"
+ "pre{white-space: pre-wrap;}";
}
/**
* Cast R.color to a hexadecimal color value
* @param context the context to use
* @param color the color number from R.color
* @return a six characters long String with hexadecimal RGB values
*/
public static String getHexRGBColor(Context context, int color) {
return context.getResources().getString(color).substring(3);
}
}