installApk static method
for Android : install apk by its file absolute path;
if the target platform is higher than android 24:
a appId
is not required
(the caller's applicationId which is defined in build.gradle)
Implementation
static Future<dynamic> installApk(String filePath,
{String appId = ''}) async {
Map<String, String> params = {'filePath': filePath, 'appId': appId};
final dynamic result = await _channel.invokeMethod('installApk', params);
return result;
}