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我得到這個錯誤在logcat中同時應用開始，然後崩潰java.lang.UnsupportedOperationException..crash
03-19 15:41:34.644 5167-5167/com.example.abdulmajeedmohammad.insertertels E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.abdulmajeedmohammad.insertertels, PID: 5167
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.abdulmajeedmohammad.insertertels/com.example.abdulmajeedmohammad.insertertels.MainActivity}: java.lang.UnsupportedOperationException
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3149)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3248)
at android.app.ActivityThread.access$1000(ActivityThread.java:197)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1681)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:145)
at android.app.ActivityThread.main(ActivityThread.java:6872)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1404)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1199)
Caused by: java.lang.UnsupportedOperationException
at java.util.AbstractList.add(AbstractList.java:404)
at java.util.AbstractList.add(AbstractList.java:425)
at android.widget.ArrayAdapter.add(ArrayAdapter.java:179)
at com.example.abdulmajeedmohammad.insertertels.MainActivity.onCreate(MainActivity.java:83)
at android.app.Activity.performCreate(Activity.java:6550)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1120)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3102)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3248)
at android.app.ActivityThread.access$1000(ActivityThread.java:197)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1681)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:145)
at android.app.ActivityThread.main(ActivityThread.java:6872)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1404)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1199)
，這是Activity類
public class MainActivity extends AppCompatActivity implements GoogleApiClient.ConnectionCallbacks
, GoogleApiClient.OnConnectionFailedListener {
private Spinner spinner;
private EditText name, number, fax, street;
private Button takePictureButton, sendButton;
private ArrayAdapter<String> listTypesAdapter;
private final static int REQUEST_IMAGE_CAPTURE = 1;
String type = "";
Bitmap photo;
Uri fileUri;
Uri selectedImage;
String bitmap1, picturePath;
GoogleApiClient googleApiClient;
Location lastLocation;
String location;
String Url = "";
RequestQueue requestQueue;
ImageView imageView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
buildGoogleApiClient();
if (googleApiClient != null) {
googleApiClient.connect();
}
spinner = (Spinner) findViewById(R.id.types);
name = (EditText) findViewById(R.id.name);
number = (EditText) findViewById(R.id.number);
fax = (EditText) findViewById(R.id.fax);
street = (EditText) findViewById(R.id.street);
takePictureButton = (Button) findViewById(R.id.takePictureButton);
String[] list = getResources().getStringArray(R.array.types_array);
listTypesAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, list);
listTypesAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(listTypesAdapter);
listTypesAdapter.add("الرجاء الإختيار");
spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
switch (position) {
case 0:
type = "جهة حكومية";
break;
case 1:
type = "مستشفى - مستوصف";
break;
case 2:
type = "مطعم";
break;
case 3:
type = "جهة خيرية";
break;
case 4:
type = "قطع غيار وزينة السيارات";
break;
case 5:
type = "صيدلية";
break;
case 6:
type = "تموينات - سوبر ماركت";
break;
case 7:
type = "ملابس وكماليات";
break;
case 8:
type = "ملابس وكماليات رجالية";
break;
case 9:
type = "أجهزة الكترونية";
break;
}
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
}
});
}
private void takeImage() {
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
if (intent.resolveActivity(getPackageManager()) != null) {
startActivityForResult(intent, REQUEST_IMAGE_CAPTURE);
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == REQUEST_IMAGE_CAPTURE && resultCode == RESULT_OK) {
selectedImage = data.getData();
photo = (Bitmap) data.getExtras().get("data");
String[] filepath = {MediaStore.Images.Media.DATA};
Cursor cursor = getContentResolver().query(selectedImage, filepath, null, null, null);
cursor.moveToFirst();
int columnIndex = cursor.getColumnIndex(filepath[0]);
picturePath = cursor.getColumnName(columnIndex);
cursor.close();
Bitmap photo = (Bitmap) data.getExtras().get("data");
imageView = (ImageView) findViewById(R.id.tokenImage);
imageView.setImageBitmap(photo);
}
}
protected synchronized void buildGoogleApiClient() {
googleApiClient = new GoogleApiClient.Builder(this)
.addConnectionCallbacks(this)
.addOnConnectionFailedListener(this)
.addApi(LocationServices.API)
.build();
}
@Override
public void onConnected(Bundle bundle) {
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
// TODO: Consider calling
// ActivityCompat#requestPermissions
// here to request the missing permissions, and then overriding
// public void onRequestPermissionsResult(int requestCode, String[] permissions,
// int[] grantResults)
// to handle the case where the user grants the permission. See the documentation
// for ActivityCompat#requestPermissions for more details.
return;
}
lastLocation = LocationServices.FusedLocationApi.getLastLocation(googleApiClient);
location = "Latitude: " + String.valueOf(lastLocation.getLatitude()) + "Longitude: " + String.valueOf(lastLocation.getLongitude());
}
@Override
public void onConnectionSuspended(int i) {
location = "Suspended";
}
@Override
public void onConnectionFailed(ConnectionResult connectionResult) {
location = "Failed";
}
private void send() {
if (name.getText().toString().equalsIgnoreCase("") || name.getText() == null) {
Toast.makeText(getApplicationContext(), "الرجاء إدخال الإسم", Toast.LENGTH_SHORT).show();
} else if (number.getText().toString().equalsIgnoreCase("") || number.getText() == null) {
Toast.makeText(getApplicationContext(), "الرجاء إدخال الرقم", Toast.LENGTH_SHORT).show();
} else if (fax.getText().toString().equalsIgnoreCase("") || fax.getText() == null) {
Toast.makeText(getApplicationContext(), "الرجاء إدخال الفاكس أو كتابة none", Toast.LENGTH_SHORT).show();
} else if (street.getText().toString().equalsIgnoreCase("") || street.getText() == null) {
Toast.makeText(getApplicationContext(), "الرجاء كتابة الشارع", Toast.LENGTH_SHORT).show();
} else if (location.equals("Suspended")) {
Toast.makeText(getApplicationContext(), "يرجى تشغيل الجي بي إس لتحديد الموقع", Toast.LENGTH_SHORT).show();
} else if (location.equals("Failed")) {
Toast.makeText(getApplicationContext(), "فشل في الحصول على الموقع", Toast.LENGTH_SHORT).show();
} else if (type.equals("")){
Toast.makeText(getApplicationContext(), "الرجاء اختيار نوع الموقع", Toast.LENGTH_SHORT).show();
} else if (photo == null) {
Toast.makeText(getApplicationContext(), "يرجى أخذ صورة للموقع", Toast.LENGTH_SHORT).show();
} else {
Bitmap bm = BitmapFactory.decodeFile(picturePath);
ByteArrayOutputStream bao = new ByteArrayOutputStream();
bm.compress(Bitmap.CompressFormat.JPEG, 50, bao);
byte[] by = bao.toByteArray();
bitmap1 = Base64.encodeToString(by, Base64.DEFAULT);
requestQueue = Volley.newRequestQueue(this);
StringRequest request = new StringRequest(Request.Method.POST, Url,
new Response.Listener<String>() {
@Override
public void onResponse(String response) {
AlertDialog.Builder alertDialog = new AlertDialog.Builder(MainActivity.this);
alertDialog.setMessage("تم الإرسال بنجاح");
alertDialog.setPositiveButton("موافق", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
finish();
}
});
alertDialog.show();
name.setText("");
number.setText("");fax.setText("");street.setText("");
imageView.setImageBitmap(null);
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Toast.makeText(getApplicationContext(),"حدث خطأ في الإرسال", Toast.LENGTH_SHORT).show();
}
}
);
requestQueue.add(request);
}
}
}
看看：[如何創建一個最小，完整和可驗證]（http://stackoverflow.com/help/mcve） – cuihtlauac