所以,我一直在努力處理同樣愚蠢的事情。這裏的一些人幫助我得到它這是一點,但現在我已經得到了更遠的前進......但首先,我的代碼:找不到源代碼?
package com.mhe.test.scan;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
public class main extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button myScanButton = (Button) findViewById(R.id.myScanButton);
totalbox = (EditText) findViewById(R.id.tBox);
myScanButton.setOnClickListener(new Button.OnClickListener() {
public void onClick(View v) {
Intent intent = new Intent("com.google.zxing.client.android.SCAN");
intent.putExtra("SCAN_MODE", "PRODUCT_MODE");
startActivityForResult(intent, 0);
}
});
}
private EditText totalbox;
@Override
public void onActivityResult(int requestCode, int resultCode, Intent intent) {
if (requestCode == 0) {
if (resultCode == RESULT_OK) {
final String contents = intent.getStringExtra("SCAN_RESULT");
if (totalbox != null);
totalbox.setText(contents);
Context context = getApplicationContext();
CharSequence text = "Successful Scan";
int duration = Toast.LENGTH_SHORT;
Toast toast = Toast.makeText(context, text, duration);
toast.show();
Button myTotalButton = (Button) findViewById(R.id.myTotalButton);
myTotalButton.setOnClickListener(new Button.OnClickListener() {
public void onClick(View view) {
Intent pass = new Intent(view.getContext(), Result.class);
startActivityForResult(pass, 0);
}
});
} else if (resultCode == RESULT_CANCELED) {
if (totalbox != null);
totalbox.setText("bummer");
}
}
}
}
所以無論如何,我想會發生什麼掃描成功後,結果將加載到EditText總計框中。然後單擊「myTotalButton」並將結果傳遞給下一個活動「Result.class」。現在我只是想讓它切換到新的活動。如果
Button myTotalButton = (Button) findViewById(R.id.myTotalButton); myTotalButton.setOnClickListener(new Button.OnClickListener() { public void onClick(View view) { Intent pass = new Intent(view.getContext(), Result.class); startActivityForResult(pass, 0);
代碼在那裏,FCs。否則,其餘的工作正常。任何建議/協助將會有所幫助。我覺得我失去了一些愚蠢的東西,我會爲自己而sma for。
Logcat顯示FC背後的原因是什麼? – kiswa 2010-07-07 17:23:54
07-07 14:25:44.146:INFO/ActivityManager(1083):Starting activity:Intent {cmp = com.mhe.test.scan/.Result} 07-07 14:25:45.193:DEBUG/dalvikvm(1083 ):GC_EXPLICIT在137ms中釋放了789個對象/38656字節 07-07 14:25:45.224:ERROR/Tethering(1083):主動iface(usb0)報告爲已添加,忽略 07-07 14:25:48.740:WARN/WindowManager(1083):沒有窗口調度指針動作0 07-07 14:25:49.271:WARN/WindowManager(1083):沒有窗口調度指針動作1 07-07 14:25:53.154:INFO/ActivityManager( 1083):啓動proc 多數民衆贊成在詳細logcat – sgardeski 2010-07-07 18:34:49
和這看起來像錯誤的地方...雖然我真的不知道如何處理這個 07-07 14:24:45.224:錯誤/ AndroidRuntime(2857):引起:java.lang.reflect.InvocationTargetException 它也提到了一個類未找到錯誤。 – sgardeski 2010-07-07 18:38:28