Android Open Source - BtDemo Server Binder Activity

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License

The source code is released under:
Apache License
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Java Source Code

package cn.edu.hust.cm.bt.demo.server;
/*from  w w w .j  a v a  2 s .  c  o m*/
import android.bluetooth.BluetoothAdapter;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Toast;
import cn.edu.hust.cm.bt.demo.BaseBinderActivity;
import cn.edu.hust.cm.bt.demo.R;

public class ServerBinderActivity extends BaseBinderActivity {

    public static final String TAG = "ServerBinderActivity";
    private static final int REQUEST_CODE_ENABLE_BT = 100;

    private ServerBinderService mService;

    public static void startMe(Context context) {
        Intent intent = new Intent(context, ServerBinderActivity.class);
        context.startActivity(intent);
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_server_binder);
        doBind(new Intent(this, ServerBinderService.class));
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);

        Log.i(TAG, "requestCode=" + requestCode + ", resultCode=" + resultCode);
        switch (requestCode) {
        case REQUEST_CODE_ENABLE_BT:
            if (RESULT_OK == resultCode) {
                // we can setup bt server now
                doSetupServer(null);
            } else if (RESULT_CANCELED == resultCode) {
                Toast.makeText(this, R.string.can_not_enable_bt,
                        Toast.LENGTH_SHORT).show();
            }
            break;

        default:
            break;
        }
    }

    @Override
    protected void postConnected() {
        super.postConnected();
        Log.i(TAG, "ServiceConnection established");

        mService = (ServerBinderService) super.mService;
    }

    public void onClick(View view) {
        int id = view.getId();
        switch (id) {
        case R.id.btn_run_test:
            doRunTest(view);
            break;

        case R.id.btn_disable_bt:
            doDisableBt(view);
            break;

        case R.id.btn_setup_server:
            doSetupServer(view);
            break;

        case R.id.btn_shutdown_server:
            doShutdownServer(view);
            break;

        default:
            break;
        }
    }

    private void doRunTest(View view) {
        if (mIsBound) {
            String ret = mService.testMe();
            Log.i(TAG, "ret=" + ret);
            Toast.makeText(this, "ret=" + ret, Toast.LENGTH_SHORT).show();
        }
    }

    private void doDisableBt(View view) {
        BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
        if (null != adapter && adapter.isEnabled()) {
            // FIXME this is an async call. We shoud listen for ACTION_STATE_CHANGED
            adapter.disable();
        }
    }

    private void doSetupServer(View view) {
        if (!isBtSupported()) {
            Log.e(TAG, "this device is not support BT");
            return;
        }

        if (!isBtOn()) {
            // bt is disabled and not ready for use
            Intent enableBtIntent = new Intent(
                    BluetoothAdapter.ACTION_REQUEST_ENABLE);
            startActivityForResult(enableBtIntent, REQUEST_CODE_ENABLE_BT);
            return;
        }

        if (mIsBound) {
            boolean result = mService.setupServer("test_name",
                    "c30c02b3-453d-4a7d-8a4d-0cc6c1ee1888");
            Toast.makeText(this, "setupServer=" + result, Toast.LENGTH_SHORT)
                    .show();
        }
    }

    private void doShutdownServer(View view) {
        if (mIsBound) {
            mService.shutdownServer();
        }
    }

    private boolean isBtOn() {
        // TODO move this method to an Util class
        BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
        if (null != adapter) {
            return adapter.isEnabled();
        }
        return false;
    }

    private boolean isBtSupported() {
        BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
        return null != adapter;
    }
}
Java Source Code List
