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Écriture de la caractéristique idoine.

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This commit is contained in:
Louis-Guillaume DUBOIS 2017-06-06 19:02:28 +02:00
parent 51aa931b68
commit aa6361081c
4 changed files with 36 additions and 1 deletions
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1
Application/src/main/java/fr/centralesupelec/students/clientble/GattConstants.java
View file

@ -45,6 +45,7 @@ public class GattConstants {
"c093685d-005f-4d3c-8240-6d3020a2c608";
public static final UUID WRITABLE_CHARACTERISTIC_UUID =
UUID.fromString(WRITABLE_CHARACTERISTIC_UUID_STRING);
public static final int WRITABLE_CHARACTERISTIC_MAX_LENGTH = 20;
// UUID du descripteur qui donne la configuration client d’une caractérisitique
// (notification ou non.)

15
Application/src/main/java/fr/centralesupelec/students/clientble/SimpleDetailActivity.java
View file

@ -11,6 +11,7 @@ import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.os.IBinder;
import android.os.Bundle;
import android.provider.SyncStateContract;
import android.util.Log;
import android.view.MenuItem;
import android.view.View;
@ -26,6 +27,7 @@ public class SimpleDetailActivity extends Activity {
private TextView mConnectionStateView;
private TextView mSensorValueView;
private TextView mWritableValueView;
private TextView mFormView;
private String mDeviceName;
private String mDeviceAddress;
@ -113,6 +115,7 @@ public class SimpleDetailActivity extends Activity {
mDeviceAddressView = (TextView) findViewById(R.id.device_address);
mDeviceAddressView.setText(mDeviceAddress);
mFormView = (TextView) findViewById(R.id.form_view);
mConnectionStateView = (TextView) findViewById(R.id.connection_state);
mSensorValueView = (TextView) findViewById(R.id.sensor_value);
mWritableValueView = (TextView) findViewById(R.id.writable_value);
@ -209,6 +212,18 @@ public class SimpleDetailActivity extends Activity {
requestWritableValue();
}
public void onSendClick(View view) {
Log.d(TAG, "onSendClick()");
byte [] text = mFormView.getText().toString().getBytes();
byte [] data = new byte[20];
int max = Math.min(text.length, GattConstants.WRITABLE_CHARACTERISTIC_MAX_LENGTH);
for (int i = 0; i < max; i++) {
data[i] = text[i];
}
Log.d(TAG, "envoi de: " + data.toString());
mBluetoothLeService.writeCharacterisitic(mWritableValueCharac, data);
}
private void requestWritableValue() {
BluetoothGattService privateService = mBluetoothLeService.getPrivateService();
if (privateService == null) {

18
Application/src/main/res/layout/simple_detail_layout.xml
View file

@ -78,5 +78,21 @@
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:onClick="onRefreshClick"
android:text="@string/label_refresh" />
android:text="@string/label_read" />
<EditText
android:id="@+id/form_view"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ems="10"
android:hint="@string/hint_writable_value"
android:inputType="text"
android:maxLength="20" />
<Button
android:id="@+id/button2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:onClick="onSendClick"
android:text="@string/label_write" />
</LinearLayout>

3
Application/src/main/res/values/strings.xml
View file

@ -35,4 +35,7 @@
<string name="menu_scan">Scan</string>
<string name="menu_stop">Stop</string>
<string name="label_refresh">Update</string>
<string name="label_write">Write</string>
<string name="hint_writable_value">String to send… (max. 20 bytes)</string>
<string name="label_read">Read</string>
</resources>