我有两个活动选择并上传。我将两个字符串id和scan_id从一个活动传递给另一个活动。当我单独传递id时,该值正确传递。但是,当我尝试传递两个值时,一个值会覆盖另一个值。有没有一种单独的方式来传递两个字符串?无法将两个字符串从一个活动同时传递到另一个活动
SelectActivity.java
public class SelectActivity extends Activity {
String v1;
public static String EXTRA_MESSAGE_ID;
public static String EXTRA_MESSAGE_SCAN;
int flag;
String strflag;
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder()
.permitAll()
.build();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_select);
Bundle b = getIntent().getExtras();
EditText ed=(EditText)findViewById(R.id.patient_id);
ed.setText(b.getCharSequence("Contents"));
Button button = (Button) findViewById(R.id.button1);
StrictMode.setThreadPolicy(policy);
Button CTbutton = (Button) findViewById(R.id.CTScan);
CTbutton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
flag=1;
strflag = String.valueOf(flag);
Log.e("log_tag", "sel id"+flag);
Log.e("log_tag", "sel scan"+v1);
Intent intent = new Intent(SelectActivity.this,MainActivity.class);
intent.putExtra(EXTRA_MESSAGE_ID,v1);
intent.putExtra(EXTRA_MESSAGE_SCAN,strflag);
startActivity(intent);
}
});
}
}
MainActivity.java
public class MainActivity extends Activity {
private static final String TAG = MainActivity.class.getSimpleName();
private static final int CAMERA_CAPTURE_IMAGE_REQUEST_CODE = 100;
public static final int MEDIA_TYPE_IMAGE = 1;
private Uri fileUri;
private Button btnCapturePicture;
public static String EXTRA_MESSAGE_ID;
public static String EXTRA_MESSAGE_SCAN;
String message_id;
String message_scan;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
getActionBar().setBackgroundDrawable(new ColorDrawable(Color.parseColor(getResources().getString(R.color.action_bar))));
Intent intent = getIntent();
message_id = intent.getStringExtra(SelectActivity.EXTRA_MESSAGE_ID);
message_scan = intent.getStringExtra(SelectActivity.EXTRA_MESSAGE_SCAN);
Log.e("log_tag", "id"+message_id);
Log.e("log_tag", "scan"+message_scan);
btnCapturePicture = (Button) findViewById(R.id.btnCapturePicture);
/**
* Capture image button click event
*/
btnCapturePicture.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
captureImage();
}
});
}
}
的logcat的是这样的:
04-01 10:57:43.671: E/log_tag(12649): connection success
04-01 10:57:50.374: E/log_tag(12649): sel id1
04-01 10:57:50.374: E/log_tag(12649): sel scan2
04-01 10:57:50.403: E/log_tag(12649): id1
04-01 10:57:50.403: E/log_tag(12649): scan1
尝试像这样: - '公共静态字符串EXTRA_MESSAGE_ID =“ExtraMsgId”; public static String EXTRA_MESSAGE_SCAN =“ExtraMsgScan”;' – Vijay 2015-04-01 05:54:20