Not able to use any function I am testing Android ionic app

[Prabhjot_Singh]

I am testing android ionic application . I have never tested ionic application . my application is launching but appium is not able to perform even a click . Please help

import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Set;
import java.util.concurrent.TimeUnit;

import org.openqa.selenium.By;
import org.openqa.selenium.remote.DesiredCapabilities;

import io.appium.java_client.android.AndroidDriver;
import io.appium.java_client.android.AndroidElement;
import io.appium.java_client.remote.MobileCapabilityType;

public class Hybrid {

public static AndroidDriver<AndroidElement> Capabilities() throws MalformedURLException {
	
	File f =new  File("src");
	File fs=new File (f,"base.apk");
	
	DesiredCapabilities cap= new DesiredCapabilities();
	cap.setCapability(MobileCapabilityType.DEVICE_NAME,"Android Device");
	cap.setCapability(MobileCapabilityType.APP,fs.getAbsolutePath());
	AndroidDriver<AndroidElement> driver=new AndroidDriver<>(new URL("http://127.0.0.1:4723/wd/hub"),cap);