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import com.huawei.harmonyos.bluetooth.btadapter.BluetoothAdapter; import com.huawei.harmonyos.bluetooth.btle.api.BleCentralManager; import com.huawei.harmonyos.bluetooth.btle.api.BleGatt; import com.huawei.harmonyos.bluetooth.btle.api.BlePeripheralManager; import com.huawei.harmonyos.bluetooth.btle.api.BlePeripheralManagerCallback; public class BluetoothDemo { private BluetoothAdapter bluetoothAdapter; public void connectToBluetoothDevice(String deviceAddress) { bluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); BleCentralManager centralManager = bluetoothAdapter.getBleCentralManager(); BleGatt gatt = centralManager.connectGatt(deviceAddress); gatt.setGattCallback(new BlePeripheralManagerCallback() { @Override public void onConnectionStateChange(int newState, int status) { if (newState == BlePeripheralManagerCallback.STATE_CONNECTED) { // ÅþÁ¬Àֳɣ¬¿ÉÒÔ¾ÙÐÐÊý¾Ý´«ÊäµÈ²Ù×÷ } else if (newState == BlePeripheralManagerCallback.STATE_DISCONNECTED) { // ÅþÁ¬¶Ï¿ª } } @Override public void onCharacteristicChanged(String uuid, byte[] value) { // ÎüÊÕµ½ÌØÕ÷ֵת±äµÄ»Øµ÷ÒªÁ죬¿ÉÒÔ´¦ÀíÎüÊÕµ½µÄÊý¾Ý } }); } }
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import android.content.Context; import android.content.Intent; import android.content.pm.ApplicationInfo; import android.content.pm.PackageManager; import android.os.Bundle; public class AndroidDemo { public void launchAndroidApp(Context context, String packageName, String className) { Intent intent = new Intent(Intent.ACTION_MAIN); intent.addCategory(Intent.CATEGORY_LAUNCHER); intent.setClassName(packageName, className); intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); context.startActivity(intent); } public void getApplicationMetaData(Context context, String packageName) { try { ApplicationInfo appInfo = context.getPackageManager().getApplicationInfo(packageName, PackageManager.GET_META_DATA); Bundle metaData = appInfo.metaData; // »ñÈ¡ÆäËû²Ù×÷ϵͳӦÓóÌÐòµÄÔªÊý¾Ý } catch (PackageManager.NameNotFoundException e) { e.printStackTrace(); } } }
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