所以现在我在我的应用程序中使用zxing条形码扫描仪.这是示例代码(通用): if(position == 0){ Intent intent = new Intent("com.google.zxing.client.android.SCAN"); intent.putExtra("SCAN_MODE", "QR_CODE_MODE"); startAct
if(position == 0){ Intent intent = new Intent("com.google.zxing.client.android.SCAN"); intent.putExtra("SCAN_MODE", "QR_CODE_MODE"); startActivityForResult(intent, 0); } public void onActivityResult(int requestCode, int resultCode, Intent intent) { if (requestCode == 0) { if (resultCode == RESULT_OK) { contents = intent.getStringExtra("SCAN_RESULT"); format = intent.getStringExtra("SCAN_RESULT_FORMAT"); // Handle successful scan Intent i = new Intent(Main.this, BarcodeScanner.class); startActivity(i); } else if (resultCode == RESULT_CANCELED) { // Handle cancel } } }
因此,在启动BarcodeScanner.class时,我还想将内容传递给它.我该怎么做呢?
使用 Bundle内部意图将数据从一个活动传递到另一个活动.在你的情况下,你必须做类似的事情 –Intent intent = new Intent(Main.this,BarcodeScanner.class); //load the intent with a key "content" and assign it's value to content intent.putExtra("content",contents); //launch the BarcodeScanner activity and send the intent along with it //note that content is passed in as well startActivity(intent);
信息存储在Intent内部的“Bundle”对象中 – 当您调用Intent对象的putExtras()方法时会创建Bundle