Differential D60 Diff 201 src/it/reyboz/bustorino/backend/utils.java

Changeset View

Standalone View

src/it/reyboz/bustorino/backend/utils.java

package it.reyboz.bustorino.backend;		package it.reyboz.bustorino.backend;

import android.content.Context;		import android.content.Context;
import android.content.Intent;		import android.content.Intent;
import android.net.ConnectivityManager;		import android.net.ConnectivityManager;
import android.net.NetworkInfo;		import android.net.NetworkInfo;
import android.net.Uri;		import android.net.Uri;
import android.util.Log;		import android.util.Log;
import android.util.TypedValue;		import android.util.TypedValue;
import android.view.View;		import android.view.View;

		import java.io.PrintWriter;
		import java.io.StringWriter;

public abstract class utils {		public abstract class utils {
private static final double EarthRadius = 6371e3;		private static final double EarthRadius = 6371e3;
public static Double measuredistanceBetween(double lat1,double long1,double lat2,double long2){		public static Double measuredistanceBetween(double lat1,double long1,double lat2,double long2){
final double phi1 = Math.toRadians(lat1);		final double phi1 = Math.toRadians(lat1);
final double phi2 = Math.toRadians(lat2);		final double phi2 = Math.toRadians(lat2);

final double deltaPhi = Math.toRadians(lat2-lat1);		final double deltaPhi = Math.toRadians(lat2-lat1);
final double deltaTheta = Math.toRadians(long2-long1);		final double deltaTheta = Math.toRadians(long2-long1);
▲ Show 20 Lines • Show All 78 Lines • ▼ Show 20 Lines	public abstract class utils {
* Open an URL in the default browser.		* Open an URL in the default browser.
*		*
* @param url URL		* @param url URL
*/		*/
public static void openIceweasel(String url, Context context) {		public static void openIceweasel(String url, Context context) {
Intent browserIntent1 = new Intent(Intent.ACTION_VIEW, Uri.parse(url));		Intent browserIntent1 = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
context.startActivity(browserIntent1);		context.startActivity(browserIntent1);
}		}
		/**
		* Print the first i lines of the the trace of an exception
		* https://stackoverflow.com/questions/21706722/fetch-only-first-n-lines-of-a-stack-trace
		*/
		public static String traceCaller(Exception ex, int i) {
		StringWriter sw = new StringWriter();
		PrintWriter pw = new PrintWriter(sw);
		StringBuilder sb = new StringBuilder();
		ex.printStackTrace(pw);
		String ss = sw.toString();
		String[] splitted = ss.split("\n");
		sb.append("\n");
		if(splitted.length > 2 + i) {
		for(int x = 2; x < i+2; x++) {
		sb.append(splitted[x].trim());
		sb.append("\n");
		}
		return sb.toString();
		}
		return "Trace too Short.";
		}
}		}