实例介绍
【实例截图】
【核心代码】
package com.gwb.oma; import androidx.annotation.NonNull; import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.se.omapi.Channel; import android.se.omapi.Reader; import android.se.omapi.SEService; import android.se.omapi.Session; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.TextView; import java.io.IOException; import java.util.ArrayList; import java.util.concurrent.Executor; import butterknife.BindView; import butterknife.ButterKnife; import butterknife.OnClick; public class MainActivity extends AppCompatActivity implements View.OnClickListener { private final String TAG = MainActivity.class.getSimpleName(); private Handler mHandler; private ArrayList<Session> mSessionList = null; private ArrayList<Channel> mChannelList = null; private final int MSG_SHOW_READERS = 0x01; private final int MSG_OPEN_SESSION = 0x02; private final int MSG_OPEN_CHANNEL = 0x03; private boolean mIsConnected = false; private SEService mSeService; Reader[] mReaders; @BindView(value = R.id.tv) TextView mTv; @BindView(value = R.id.btn_get_reader) Button mBtnGetReaders; @BindView(value = R.id.btn_close_sessions) Button mBtnCloseSessions; @BindView(value = R.id.btn_open_session) Button mBtnOpenSession; @BindView(value = R.id.btn_open_channel) Button mBtnOpenChannel; private void setAllBtn(boolean enable) { mBtnGetReaders.setEnabled(enable); mBtnCloseSessions.setEnabled(enable); mBtnOpenSession.setEnabled(enable); mBtnOpenChannel.setEnabled(enable); } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ButterKnife.bind(this); mSessionList = new ArrayList<>(); mChannelList = new ArrayList<>(); mHandler = new Handler(new Handler.Callback() { @Override public boolean handleMessage(@NonNull Message message) { String str = ""; switch (message.what) { case MSG_SHOW_READERS: for (Reader reader : mReaders) { str = reader.getName() ":" reader.toString() "\r\n"; } Log.d(TAG, str); mTv.setText(str); break; case MSG_OPEN_SESSION: for (Reader reader : mReaders) { try { Session session = reader.openSession(); mSessionList.add(session); str = reader.getName() " openSession Success\r\n"; } catch (IOException e) { e.printStackTrace(); } mTv.setText(str); } break; case MSG_OPEN_CHANNEL: for (Session session : mSessionList) { for (int i = 0; i < 2; i ) { try { Channel channel = null; if (i == 0) { channel = session.openBasicChannel(null); if (channel != null) { str = session.toString() " openBasicChannel(null) Success\r\n"; mChannelList.add(channel); byte[] response = channel.getSelectResponse(); str = "response: " response.toString(); } } else if (i == 1) { channel = session.openLogicalChannel(null); if (channel != null) { str = session.toString() " openLogicalChannel(null) Success\r\n"; mChannelList.add(channel); byte[] response = channel.getSelectResponse(); str = "response: " response.toString(); } } } catch (IOException | SecurityException e) { e.printStackTrace(); } } } mTv.setText(str); break; default: break; } return false; } }); mIsConnected = false; SeConnectedListener mListener = new SeConnectedListener(); mSeService = new SEService(this, new Executor() { @Override public void execute(Runnable runnable) { runnable.run(); } }, mListener); setAllBtn(false); } @Override @OnClick({R.id.btn_get_reader, R.id.btn_close_sessions, R.id.btn_open_session, R.id.btn_open_channel}) public void onClick(View view) { if (!mIsConnected) { return; } Message msg = Message.obtain(); switch (view.getId()) { case R.id.btn_get_reader: mReaders = mSeService.getReaders(); Log.d(TAG, "readers:" mReaders.toString()); msg.what = MSG_SHOW_READERS; mHandler.sendMessage(msg); break; case R.id.btn_close_sessions: for (Reader reader : mReaders) { reader.closeSessions(); } break; case R.id.btn_open_session: msg.what = MSG_OPEN_SESSION; mHandler.sendMessage(msg); break; case R.id.btn_open_channel: msg.what = MSG_OPEN_CHANNEL; mHandler.sendMessage(msg); break; default: return; } } private class SeConnectedListener implements SEService.OnConnectedListener { @Override public void onConnected() { Log.d(TAG, "SeConnectedListener:onConnected"); mIsConnected = true; setAllBtn(true); } } }
标签: openmobile demo API
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