ng-upgrade
[(property-name)]="expression"
<input type="text" ng-model="model.name" />
<input type="text" [(ng-model)]="model.name" />
ACTION_IMAGE_CAPTURE
ContextCompat.checkSelfPermission()（
requestPermissions()
shouldShowRequestPermissionRationale()
setWatchFaceStyle(new WatchFaceStyle.Builder(mService) .setAcceptsTapEvents(true) // other style customizations .build());
@Override public void onTapCommand(int tapType, int x, int y, long eventTime) { }
TAP_TYPE_TOUCH
TAP_TYPE_TAP
TAP_TYPE_TOUCH_CANCEL
PackageInfo packageInfo = PackageManager.getPackageInfo("com.google.android.wearable.app", 0); if (packageInfo.versionCode > 720000000) { // Supports taps - cache this result to avoid calling PackageManager again } else { // Device does not support taps yet }
