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我有一段代碼,我開始startActivityForResult,但onActivityResult方法沒有被擊中,我把Log.d的評論,所以我知道是否代碼被擊中這裏是我的代碼:onActivityResult沒有被擊中Android
public class myClass extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.store_selector);
Button getStore = (Button)findViewById(R.id.getStore);
getStore.setOnClickListener(buttonGetStoreOnClickListener);
}
Button.OnClickListener buttonGetStoreOnClickListener
= new Button.OnClickListener(){
public void onClick(View arg0) {
Intent intent = new Intent("com.blah.Blah.client.android.SCAN");
intent.setPackage("com.blah.Blah");
intent.putExtra("com.blah.Blah.client.android.SCAN.SCAN_MODE", "QR_CODE_MODE");
startActivityForResult(intent, 0);
Log.d("debug tag", "started activity");
};
};
@Override
public void onActivityResult(int requestCode, int resultCode, Intent intent)
{
Log.d("debug tag", "inside onActivityResult");
if (requestCode == 0)
{
if (resultCode == RESULT_OK)
{
String contents = intent.getStringExtra("SCAN_RESULT");
String format = intent.getStringExtra("SCAN_RESULT_FORMAT");
Log.i("debug tag", "contents: "+contents+" format: "+format);
Intent myIntent = new Intent(this, Ads.class);
myIntent.putExtra("key", contents);
startActivity(myIntent);
setContentView(R.layout.activity_ads);
// Handle successful scan
}
else if (resultCode == RESULT_CANCELED)
{
// Handle cancel
Log.i("xZing", "Cancelled");
}
}
}
};
你在其它活動設置resultCode爲調用完成()之前調用的setResult()。你可以在你設定完成()意圖的地方分享你的其他活動。 – rahul
另外,你有沒有看過在Android上使用Xzing的教程? http://code.google.com/p/zxing/wiki/ScanningViaIntent – Darwind
您確定調用'startActivity()'時嘗試啓動的活動實際上完全運行嗎? –