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Wednesday, June 22, 2016

Firebase Analytics integrate in Android


Hello, Today writing post for how to integrate Firebase Analytics in Android Application. Firebase Analytics is a free to analytic for android application.

1. Download firebase SDK  (Google Play services SDK from the Android SDK Manager)
2. Create a project in the Firebase Consol and download json file
3. Android studio 1.5 or latter and Android 2.3 or newer.
4. Check firebase report.


1. Firebase SDK : First update your Google Play services from the Android SDK Manager.

Check in Extras

Google Play Services installed rev 30 or up
Google Repository installed rev 26  or up. both are required to updated.


2. Create Project in Firebase Consol

* Select Add Firebase to your android App



 *  Add Package name here and click ADD APP button. Here make sure to add that package name to use in application.

* Download google-services.json File and click continue




*Here you can see to how to init Firebase sdk in android application. Click Finish


3. Create Application in Android studio and integrate Firebase SDK

 In Android studio select New > New Project
* Add Application and package name (package name is same as added Firebase project)


 * Select here Android minimum sdk version


* Select Empty Activity


* Enter Activity Name


* Now Copy google-services.json file and past to project's module folder "app/" folder





*  Add rules to your root-level build.gradle file, to include the google-services plugin:


* Add dependency for Firebase Analytics to your app-level build.gardle file and add plugin bottom
after add dependency and plugin then click Sync Now Button





*Create App.java and create FirebaseAnalytics object in Application class


 
package com.limbani.firebaseanalyticsdemo;

import android.app.Application;

import com.google.firebase.analytics.FirebaseAnalytics;


public class App extends Application {

    private static FirebaseAnalytics mFirebaseAnalytics;
    @Override
    public void onCreate() {
        super.onCreate();
        this.mFirebaseAnalytics = FirebaseAnalytics.getInstance(this);
    }

    public static FirebaseAnalytics getFirebaseAnalytics() {
        return mFirebaseAnalytics;
    }
}

* MainActivity.java clas and add Firebase LogEven see in code. You can add more Event log see in FirebaseAnalytics.Event


package com.limbani.firebaseanalyticsdemo;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

import com.google.firebase.analytics.FirebaseAnalytics;

public class MainActivity extends AppCompatActivity {

    private Button btn_click;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        btn_click = (Button) findViewById(R.id.btn_click);

        btn_click.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                //Here Add Firebase LogEvent
                Bundle bundle = new Bundle();
                bundle.putString(FirebaseAnalytics.Param.ITEM_ID, "btn_click");
                bundle.putString(FirebaseAnalytics.Param.ITEM_NAME, "Next Activity");
                bundle.putString(FirebaseAnalytics.Param.CONTENT_TYPE, "Button");
                App.getFirebaseAnalytics().logEvent(FirebaseAnalytics.Event.SELECT_CONTENT, bundle);

                startActivity(new Intent(MainActivity.this, SecondActivity.class));
            }
        });
    }
}


* activity_main.xml file

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.limbani.firebaseanalyticsdemo.MainActivity">

    <Button
        android:id="@+id/btn_click"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Next Activity" />
</RelativeLayout<

* Create SeconActivity.java class and activity_second.xml file


package com.limbani.firebaseanalyticsdemo;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

public class SecondActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_second);
    }
}

* activity_second.xml file

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.limbani.firebaseanalyticsdemo.SecondActivity">

</RelativeLayout>



* Edit AndroidManifest.xml File


<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.limbani.firebaseanalyticsdemo">

    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>

    <application
        android:name=".App"
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name=".SecondActivity"></activity>
    </application>

</manifest>


4. Check Report in Firebase :



Error Resolve

1. If you find error while sync time like faild to resolve firebase then you need to check 1st point to Google Play Service updated or not.


2. Execution faild for task ':app:processDebugGoogleServices'.
> File google-services.json is missing. ......
getting this error then you are missing to add google-services.json or miss placed this file. check 3rd point

Download Source code

Thank you :)

Wednesday, May 25, 2016

How to check FingerPrint feature available in android?

In android API 23 added Finger Print feature for lock or unlock your phone, authorize purchases, or sign in to apps.
So how to check fingerprint feature available or not in android device? check below.

Method 1 :
  if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_FINGERPRINT)) {
      Toast.makeText(this, "Finger print not supported", Toast.LENGTH_SHORT).show();
  }

Method 2 :
 
   FingerprintManager fingerprintManager = (FingerprintManager) getSystemService(Context.FINGERPRINT_SERVICE);
   if (!fingerprintManager.isHardwareDetected()) {
       // Device doesn't support fingerprint authentication
       Toast.makeText(this, "Device doesn't support fingerprint authentication", Toast.LENGTH_SHORT).show();
   } else if (!fingerprintManager.hasEnrolledFingerprints()) {
       // User hasn't enrolled any fingerprints to authenticate with
      Toast.makeText(this, "User hasn't enrolled any fingerprints to authenticate with", Toast.LENGTH_SHORT).show();
   } else {
      // Everything is ready for fingerprint authentication
      Toast.makeText(this, "Everything is ready for fingerprint authentication", Toast.LENGTH_SHORT).show();
   }

This method required USE_FINGERPRINT permision. Add in Menifest file.
    
<uses-permission android:name="android.permission.USE_FINGERPRINT"/>
Thank you :)