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https://cloud.githubusercontent.com/assets/228704/23704199/b79d14ba-03d1-11e7-85e4-350c48be11f6.png我想拿出我的LogActivity Android Studio中
我要拿出所有的东西被划掉的图片标题，这里是我下面的代码，谢谢。
package pkc.trafficquest.sccapstone.trafficquest;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.support.v7.app.AppCompatActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ArrayAdapter;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.Toast;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
public class LogActivity extends AppCompatActivity {
private ArrayList<String> accidentList; // used for the String version of the accident list
private ArrayList<Accidents> accidents; // used for the list of type Accidents
private ListView listView;
private String csvString;
public static final int REQUEST_CODE_MAIN = 1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_log);
Intent logIntent = getIntent();
Bundle data = logIntent.getExtras();
// checks to see if there is data from the intent, if there is, instantiate list of names and set up the list view
if (logIntent.getExtras() != null){
accidentList = logIntent.getStringArrayListExtra("accidentList");
accidents = data.getParcelableArrayList("logAccidentList");
ListAdapter accAdapter = new ArrayAdapter<String>(this, R.layout.accident_list, accidentList);
listView = (ListView) findViewById(R.id.aListview);
listView.setAdapter(accAdapter);
csvString = createCSV(accidents); // makes a csv out of the list of accidents
}
/* // ATTENTION: This was auto-generated to implement the App Indexing API.
// See https://g.co/AppIndexing/AndroidStudio for more information.
client = new GoogleApiClient.Builder(this).addApi(AppIndex.API).build();*/
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.log_menu, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) { // menu to select between downloading or emailing a csv of requested accidents
int id = item.getItemId();
if (id == R.id.action_download){ // downloads csv of requested accidents if selected
saveCSV(csvString);
}
else if (id == R.id.action_email){ // downloads and emails csv of requested accidents if selected
sendEmail(csvString);
}
return super.onOptionsItemSelected(item);
}
/*
Creates a csv file for the list of requested accidents
@param A list of accidents to create a csv for
@return the csv of requested accidents
*/
public String createCSV(ArrayList<Accidents> accList){
String csv = "";
for (int i=0; i<accList.size(); i++){ // loop through all accidents and add each detail to the csv
Accidents accident = accList.get(i); // get individual accident
csv += "\"" + accident.getPoint().getCoordinates().get(0) + ", " + accident.getPoint().getCoordinates().get(1) + "\"," + // add latitude and longitude, separated by a space to the list
"\"" + accident.getToPoint().getCoordinates().get(0) + ", " + accident.getToPoint().getCoordinates().get(1) + "\"," + // add the toPoint(where the accident ends) to the list, latitude and longitude separated with a space
accident.getDescription() + "," + // add the accident description to the list
accident.getRoadClosed() + "," + // add if road is closed (boolean value)
interpretSeverity(accident) + "," + // add severity of accident to list
interpretTime(accident.getStart()) + "," + // add the start time of accident to list
interpretTime(accident.getEnd()) + "," + // add the end time of accident to list
interpretType2(accident) + "\n"; // add the type of the accident to the list (accident, weather, hazard, etc.) and go to next line
String startTime = "Start Time: 03/08/2017";//interpretTime(accident.getStart());
String startTimeWithoutTitle= startTime.substring(startTime.indexOf(":")+1,startTime.length());
String severity = "Severity: Minor";
String severityWithoutTitle= severity.substring(severity.indexOf(":")+1,severity.length());
String cvs=startTimeWithoutTitle+","+severityWithoutTitle;
System.out.println(cvs); //just for testing
}
return csv; // return the String in csv format
}
/*
Write the file to internal storage
@param data String data to write
*/
public void saveCSV(String data) {
File file = null;
File root = Environment.getExternalStorageDirectory(); // path of root directory
if (root.canWrite()) { // checks if the application can modify the path
File dir = new File(root.getAbsolutePath() + "/AccidentData"); // new directory
dir.mkdirs();
file = new File(dir, "data.csv"); // file to be wrote to
FileOutputStream out = null;
try {
out = new FileOutputStream(file); // output stream to file location
}
catch (FileNotFoundException e) {
e.printStackTrace();
}
try {
out.write(data.getBytes()); // write encoded string to file
}
catch (IOException e) {
e.printStackTrace();
}
try {
out.close(); // close output stream
}
catch (IOException e) {
e.printStackTrace();
}
Toast.makeText(getApplicationContext(), "Downloaded.", Toast.LENGTH_SHORT).show();
}
else {
Toast.makeText(getApplicationContext(), "File failed to write.", Toast.LENGTH_SHORT).show(); // prints message if file does not write to file
}
}
/*
Interprets the time into a human readable format
@param t the string from the accident list to interpret
@return the converted time
*/
public String interpretTime (String t) {
String timeString = t.substring(6, t.length()-2); // gets rid of the leading and trailing slashes and parenthesis
String date; // value to return
long time = Long.parseLong(timeString); // parse the string as a long
SimpleDateFormat sdf = new SimpleDateFormat("MM/dd/yyyy 'at' HH:mm z"); // sets the format
date = sdf.format(new Date(time)); // sets the entered string as the SimpleDateFormat
return date; // return the date
}
/*
Interprets the severity codes received from the request
@param acc the accident to get the severity data from
@return the interpreted severity code
*/
public String interpretSeverity (Accidents acc) {
int severity = acc.getSeverity(); // the type code from the accident
String sevString; // the value to return
switch (severity) {
case 1: sevString = "Low Impact";
break;
case 2: sevString = "Minor";
break;
case 3: sevString = "Moderate";
break;
case 4: sevString = "Serious";
break;
default: sevString = "Incorrect value";
break;
}
return sevString; // return the severity code
}
/*
interprets what each type code means
@param acc The Accidents object to get the type code from
@return the interpreted type of accident
*/
public String interpretType2(Accidents acc){
int type = acc.getType2(); // the type code from the accident
String typeString; // the value to return
switch (type) {
case 1: typeString = "Accident";
break;
case 2: typeString = "Congestion";
break;
case 3: typeString = "Disabled Vehicle";
break;
case 4: typeString = "Mass Transit";
break;
case 5: typeString = "Miscellaneous";
break;
case 6: typeString = "Other News";
break;
case 7: typeString = "Planned Event";
break;
case 8: typeString = "Road Hazard";
break;
case 9: typeString = "Construction";
break;
case 10: typeString = "Alert";
break;
case 11: typeString = "Weather";
break;
default: typeString = "Incorrect value";
break;
}
return typeString;
}
/*
Will create an email intent, and send the requested csv file after it creates it, to the email intent.
@param data String data to send as csv
*/
public void sendEmail(String data) {
File file = null;
File root = Environment.getExternalStorageDirectory(); // path of root directory
if (root.canWrite()) { // checks if the application can modify the path
File dir = new File(root.getAbsolutePath() + "/AccidentData"); // new directory
dir.mkdirs();
file = new File(dir, "data.csv"); // file to be wrote to
FileOutputStream out = null;
try {
out = new FileOutputStream(file); // output stream to file location
}
catch (FileNotFoundException e) {
e.printStackTrace();
}
try {
out.write(data.getBytes()); // write encoded string to file
}
catch (IOException e) {
e.printStackTrace();
}
try {
out.close(); // close output stream
}
catch (IOException e) {
e.printStackTrace();
}
}
else {
Toast.makeText(getApplicationContext(), "File failed to write.", Toast.LENGTH_SHORT).show(); // prints message if file does not write to file
}
Uri u = null;
u = Uri.fromFile(file); // get contents of file
Intent emailIntent = new Intent(Intent.ACTION_SEND); // create an intent to send the csv
emailIntent.putExtra(Intent.EXTRA_SUBJECT, "TrafficQuest: CSV"); // subject of email
emailIntent.putExtra(Intent.EXTRA_TEXT, "Here is a csv, as you requested."); // body of email
emailIntent.putExtra(Intent.EXTRA_STREAM, u); // add the attachment csv
emailIntent.setType("text/plain"); // sets type to plain, supports csv files
startActivity(Intent.createChooser(emailIntent, "Send email with:"));
}
public void toastMaker(String toast) {
Toast.makeText(getApplicationContext(), toast, Toast.LENGTH_SHORT).show();
}
}
正是你想要什么，我不明白您的问题 – androidXP
我试图摆脱我链接的图片上划掉的所有内容。 –
这与firebase有什么关系？ – Naveed