AndroidRuntime：致命例外：AsyncTask＃1

Question

在Android設備上構建我的代碼時出現錯誤。

當我點擊按鈕開始獲取座標時，座標顯示在顯示器上，但我的應用程序已停止，並且不會在我的服務器上發送數據座標。

在Android Studio中的錯誤報告：

--------- beginning of crash E/AndroidRuntime: FATAL EXCEPTION: AsyncTask #1 
    Process: id.codefun.gps, PID: 2418 
    java.lang.RuntimeException: An error occurred while executing doInBackground() 
     at android.os.AsyncTask$3.done(AsyncTask.java:325) 
     at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:354) 
     at java.util.concurrent.FutureTask.setException(FutureTask.java:223) 
     at java.util.concurrent.FutureTask.run(FutureTask.java:242) 
     at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:243) 
     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133) 
     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607) 
     at java.lang.Thread.run(Thread.java:761) 
    Caused by: java.lang.ClassCastException: com.android.okhttp.internal.huc.HttpURLConnectionImpl cannot be cast 
to javax.net.ssl.HttpsURLConnection 
     at id.codefun.gps.BackgroundTask.doInBackground(BackgroundTask.java:41) 
     at id.codefun.gps.BackgroundTask.doInBackground(BackgroundTask.java:19) 
     at android.os.AsyncTask$2.call(AsyncTask.java:305) 
     at java.util.concurrent.FutureTask.run(FutureTask.java:237) 
     at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:243)  
     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)  
     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)  
     at java.lang.Thread.run(Thread.java:761)  I/Choreographer: Skipped 41 frames! The application may be doing too 
much work on its main thread. Application terminated. 

MainActivity.java

import android.Manifest; import android.content.BroadcastReceiver; 
import android.content.Context; import android.content.Intent; import 
android.content.IntentFilter; import 
android.content.pm.PackageManager; import android.os.Build; import 
android.support.annotation.NonNull; import 
android.support.v4.content.ContextCompat; import 
android.support.v7.app.AppCompatActivity; import android.os.Bundle; 
import android.view.View; import android.widget.Button; import 
android.widget.TextView; 

public class MainActivity extends AppCompatActivity { 

    private Button btn_start, btn_stop; 
    private TextView textView; 
    private BroadcastReceiver broadcastReceiver; 
    String dataf; 

    @Override 
    protected void onResume() { 
     super.onResume(); 
     if(broadcastReceiver == null){ 
      broadcastReceiver = new BroadcastReceiver() { 
       @Override 
       public void onReceive(Context context, Intent intent) { 

        textView.append("\n" +intent.getExtras().get("coodinates")); 

        dataf = intent.getExtras().get("coodinates").toString(); 
        System.out.println(dataf); 
        String method = "dataKirim"; 
        BackgroundTask backgroundTask = new BackgroundTask(this); 
        backgroundTask.execute(method,dataf); 
        finish(); 
       } 
      }; 
     } 
     registerReceiver(broadcastReceiver, new IntentFilter("location_update")); 
    } 

    @Override 
    protected void onDestroy() { 
     super.onDestroy(); 
     if(broadcastReceiver != null){ 
      unregisterReceiver(broadcastReceiver); 
     } 
    } 

    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_main); 

     btn_start = (Button) findViewById(R.id.button); 
     btn_stop = (Button) findViewById(R.id.button2); 
     textView = (TextView) findViewById(R.id.textView); 

     if(!runtime_permissions()) 
      enable_buttons(); 
    } 

    private void enable_buttons() { 
     btn_start.setOnClickListener(new View.OnClickListener(){ 
      @Override 
      public void onClick(View view){ 
       Intent i =new Intent(getApplicationContext(),gps.class); 
       startService(i); 
      } 
     }); 
     btn_stop.setOnClickListener(new View.OnClickListener(){ 
      @Override 
      public void onClick(View view){ 
       Intent i =new Intent(getApplicationContext(),gps.class); 
       stopService(i); 
      } 
     }); 
    } 

    private boolean runtime_permissions(){ 
     if(Build.VERSION.SDK_INT >=23 && ContextCompat.checkSelfPermission(this, 
Manifest.permission.ACCESS_FINE_LOCATION) != 
PackageManager.PERMISSION_GRANTED && 
ContextCompat.checkSelfPermission(this, 
Manifest.permission.ACCESS_COARSE_LOCATION) != 
PackageManager.PERMISSION_GRANTED){ 
      requestPermissions(new String[]{Manifest.permission.ACCESS_FINE_LOCATION,Manifest.permission.ACCESS_COARSE_LOCATION},100); 
      return true; 
     } 
     return false; 
    } 

    @Override 
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults){ 
     super.onRequestPermissionsResult(requestCode, permissions, grantResults); 
     if(requestCode==100){ 
      if(grantResults[0]==PackageManager.PERMISSION_GRANTED && grantResults[1]==PackageManager.PERMISSION_GRANTED){ 
       enable_buttons(); 
      }else{ 
       runtime_permissions(); 
      } 
     } 
    } } 

gps.java

import android.app.Service; 
import android.content.Context; 
import android.content.Intent; 
import android.location.Location; 
import android.location.LocationListener; 
import android.location.LocationManager; 
import android.os.Bundle; 
import android.os.IBinder; 
import android.provider.Settings; 
import android.support.annotation.Nullable; 

public class gps extends Service { 

    private LocationListener listener; 
    private LocationManager locationManager; 

    @Nullable 
    @Override 
    public IBinder onBind(Intent intent) { 
     return null; 
    } 

    @Override 
    public void onCreate() { 
     listener = new LocationListener() { 
      @Override 
      public void onLocationChanged(Location location){ 
       Intent i = new Intent("location_update"); 
       i.putExtra("coodinates",location.getLongitude()+"-"+location.getLatitude()+"-"); 
       sendBroadcast(i); 
      } 

      @Override 
      public void onProviderDisabled(String s) { 
       Intent i = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS); 
       i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 
       startActivity(i); 
      } 
     }; 
     locationManager = (LocationManager) getApplicationContext().getSystemService(Context.LOCATION_SERVICE); 
     //noinspection MissingPermission 
     locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER,3000,0,listener); 

    } 
} 

BackgroundTask.java

import android.content.BroadcastReceiver; import 
android.content.Context; import android.os.AsyncTask; import 
android.widget.Toast; 

import java.io.BufferedWriter; import java.io.IOException; import 
java.io.InputStream; import java.io.OutputStream; import 
java.io.OutputStreamWriter; import java.net.MalformedURLException; 
import java.net.URL; import java.net.URLEncoder; 

import javax.net.ssl.HttpsURLConnection; 

import static android.widget.Toast.makeText; 


public class BackgroundTask extends AsyncTask<String, Void, String> { 

    BroadcastReceiver ctx; 
    BackgroundTask(BroadcastReceiver ctx){ 
     this.ctx = ctx; 
    } 

    @Override 
    protected void onPreExecute() { 
     super.onPreExecute(); 
    } 

    @Override 
    protected String doInBackground(String... params) { 
     String post_url = "http://codefun.id/jajal_query_mysqli.php"; 
     String method = params[0]; 
     System.out.println(method); 
     System.out.println(params[1]); 
     if(method.equals("dataKirim")){ 
      String datag = params[1]; 
      try { 
       URL url = new URL(post_url); 
       HttpsURLConnection httpsURLConnection = (HttpsURLConnection)url.openConnection(); 
       httpsURLConnection.setRequestMethod("POST"); 
       httpsURLConnection.setDoOutput(true); 
       OutputStream OS = httpsURLConnection.getOutputStream(); 
       BufferedWriter bufferedWriter = new BufferedWriter(new OutputStreamWriter(OS,"UTF-8")); 
       String Data = URLEncoder.encode("latlon","UTF-8") +"="+ URLEncoder.encode(datag,"UTF-8"); 
       bufferedWriter.write(Data); 
       bufferedWriter.flush(); 
       bufferedWriter.close(); 
       OS.close(); 
       InputStream IS = httpsURLConnection.getInputStream(); 
       IS.close(); 
       return "kirim sukses"; 
      } catch (MalformedURLException e) { 
       e.printStackTrace(); 
      } catch (IOException e) { 
       e.printStackTrace(); 
      } 
     } 
     return null; 
    } 

    @Override 
    protected void onProgressUpdate(Void... values) { 
     super.onProgressUpdate(values); 
    } 

    @Override 
    protected void onPostExecute(String result) { 
     //makeText(ctx, result,Toast.LENGTH_LONG).show(); 
    } 

} 

請幫忙。

Answer 1

請注意您的URL協議是HTTP而不是HTTPS。嘗試使用java.net.HttpURLConnection對象或「https：// ...」URL。

import javax.net.ssl.HttpsURLConnection; 

與

java.net.HttpURLConnection