Android Tutorials Archives

How to Install development apps in Mobile

December 9, 2020 androindian Leave a comment Android Tutorials

When we are trying to install apps in mobile some times it shows different kind of messages like “App not installed”. So This time First Uninstall old version. then Install App Manager App (find the link below): https://play.google.com/store/apps/details?id=com.lb.app_manager Then Open the app Click on Apk files the you will find list of apps like below […]

Sending FireBase Notification to Android Mobiles

August 17, 2020August 17, 2020 androindian Leave a comment Android Tutorials

FCM website https://firebase.google.com/docs/cloud-messaging App.gradle

apply plugin: 'com.android.application'
apply plugin: 'com.google.gms.google-services'

android {
    compileSdkVersion 29
    buildToolsVersion "29.0.3"

    defaultConfig {
        applicationId "com.androindian.fcmtest"
        minSdkVersion 16
        targetSdkVersion 29
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }

}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])

    implementation 'androidx.appcompat:appcompat:1.2.0'
    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
    implementation 'com.google.firebase:firebase-messaging:17.3.4'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
}

apply plugin: 'com.android.application'

apply plugin: 'com.google.gms.google-services'

android {

compileSdkVersion 29

buildToolsVersion "29.0.3"

defaultConfig {

applicationId "com.androindian.fcmtest"

minSdkVersion 16

targetSdkVersion 29

versionCode 1

versionName "1.0"

testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"

}

buildTypes {

release {

minifyEnabled false

proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'

}

dependencies {

implementation fileTree(dir: 'libs', include: ['*.jar'])

implementation 'androidx.appcompat:appcompat:1.2.0'

implementation 'androidx.constraintlayout:constraintlayout:1.1.3'

implementation 'com.google.firebase:firebase-messaging:17.3.4'

testImplementation 'junit:junit:4.12'

androidTestImplementation 'androidx.test.ext:junit:1.1.1'

androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'

}

project.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {
    
    repositories {
        google()
        jcenter()
        
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.6.1'
        classpath 'com.google.gms:google-services:4.2.0'


        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        google()
        jcenter()
        
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {

repositories {

google()

jcenter()

}

dependencies {

classpath 'com.android.tools.build:gradle:3.6.1'

classpath 'com.google.gms:google-services:4.2.0'

// NOTE: Do not place your application dependencies here; they belong

// in the individual module build.gradle files

}

allprojects {

repositories {

google()

jcenter()

}

task clean(type: Delete) {

delete rootProject.buildDir

}

FCMNotification.java

package com.androindian.fcmtest;

import android.util.Log;

import com.google.firebase.messaging.FirebaseMessagingService;
import com.google.firebase.messaging.RemoteMessage;

public class FCMNotification extends FirebaseMessagingService {
    String TAG;

    @Override
    public void onMessageReceived(RemoteMessage remoteMessage) {
        // ...

        // TODO(developer): Handle FCM messages here.
        // Not getting messages here? See why this may be: https://goo.gl/39bRNJ
        Log.d(TAG, "From: " + remoteMessage.getFrom());

        // Check if message contains a data payload.
        if (remoteMessage.getData().size() > 0) {
            Log.d(TAG, "Message data payload: " + remoteMessage.getData());



        }

        // Check if message contains a notification payload.
        if (remoteMessage.getNotification() != null) {
            Log.d(TAG, "Message Notification Body: " + remoteMessage.getNotification().getBody());
        }

        // Also if you intend on generating your own notifications as a result of a received FCM
        // message, here is where that should be initiated. See sendNotification method below.
    }
    @Override
    public void onNewToken(String token) {
        Log.d(TAG, "Refreshed token: " + token);

        // If you want to send messages to this application instance or
        // manage this apps subscriptions on the server side, send the
        // Instance ID token to your app server.

    }
}

package com.androindian.fcmtest;

import android.util.Log;

import com.google.firebase.messaging.FirebaseMessagingService;

import com.google.firebase.messaging.RemoteMessage;

public class FCMNotification extends FirebaseMessagingService {

String TAG;

@Override

public void onMessageReceived(RemoteMessage remoteMessage) {

// ...

// TODO(developer): Handle FCM messages here.

// Not getting messages here? See why this may be: https://goo.gl/39bRNJ

Log.d(TAG, "From: " + remoteMessage.getFrom());

// Check if message contains a data payload.

if (remoteMessage.getData().size() > 0) {

Log.d(TAG, "Message data payload: " + remoteMessage.getData());

}

// Check if message contains a notification payload.

if (remoteMessage.getNotification() != null) {

Log.d(TAG, "Message Notification Body: " + remoteMessage.getNotification().getBody());

}

// Also if you intend on generating your own notifications as a result of a received FCM

// message, here is where that should be initiated. See sendNotification method below.

}

@Override

public void onNewToken(String token) {

Log.d(TAG, "Refreshed token: " + token);

// If you want to send messages to this application instance or

// manage this apps subscriptions on the server side, send the

// Instance ID token to your app server.

}

Manifest.xml

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

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        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>
        <service android:name=".FCMNotification">
            <intent-filter>
                <action android:name="com.google.firebase.MESSAGING_EVENT" />
            </intent-filter>
        </service>
    </application>

</manifest>

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

package="com.androindian.fcmtest">

<application

android:allowBackup="true"

android:icon="@mipmap/ic_launcher"

android:label="@string/app_name"

android:roundIcon="@mipmap/ic_launcher_round"

android:supportsRtl="true"

android:theme="@style/AppTheme">

<intent-filter>

</intent-filter>

</activity>

<intent-filter>

</intent-filter>

</service>

</application>

</manifest>

Login Session Using SharedPreferences

June 11, 2020June 11, 2020 androindian Leave a comment Android Tutorials

Now a days each and every application is having the session management. This is Using Shared preferences we can manage very simple. please check the below Code and video also there. activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context=".MainActivity"
        android:orientation="vertical">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Hello Shared Prefences"
            android:layout_gravity="center"
            />

        <EditText
            android:id="@+id/mobile"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:ems="10"
            android:inputType="phone"
            android:hint="Mobile"/>
        <EditText
            android:id="@+id/pass"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:ems="10"
            android:inputType="textPassword"
            android:hint="Password"/>

        <Button
            android:id="@+id/save"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="Login" />

    </LinearLayout>
</layout>

<?xml version="1.0" encoding="utf-8"?>

<layout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools">

<LinearLayout

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context=".MainActivity"

android:orientation="vertical">

<TextView

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="Hello Shared Prefences"

android:layout_gravity="center"

<EditText

android:id="@+id/mobile"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:ems="10"

android:inputType="phone"

android:hint="Mobile"/>

<EditText

android:id="@+id/pass"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:ems="10"

android:inputType="textPassword"

android:hint="Password"/>

<Button

android:id="@+id/save"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:text="Login" />

</LinearLayout>

</layout>

MainActivity.java

package com.androindian.login;

import androidx.appcompat.app.AppCompatActivity;
import androidx.databinding.DataBindingUtil;

import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.view.View;

import com.androindian.login.databinding.ActivityMainBinding;

public class MainActivity extends AppCompatActivity {

    ActivityMainBinding binding;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        binding= DataBindingUtil.setContentView(MainActivity.this,R.layout.activity_main);

        binding.save.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                SharedPreferences preferences=getSharedPreferences("Login",MODE_PRIVATE);
                //edit
                SharedPreferences.Editor editor=preferences.edit();
                //editor.putString("Key","values");
                editor.putString("Pass",binding.pass.getText().toString());
                editor.putString("Mobile",binding.mobile.getText().toString());
                editor.commit();

                Intent intent=new Intent(MainActivity.this,Menupage.class);
                startActivity(intent);
            }
        });
    }
}

package com.androindian.login;

import androidx.appcompat.app.AppCompatActivity;

import androidx.databinding.DataBindingUtil;

import android.content.Intent;

import android.content.SharedPreferences;

import android.os.Bundle;

import android.view.View;

import com.androindian.login.databinding.ActivityMainBinding;

public class MainActivity extends AppCompatActivity {

ActivityMainBinding binding;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

binding= DataBindingUtil.setContentView(MainActivity.this,R.layout.activity_main);

binding.save.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

SharedPreferences preferences=getSharedPreferences("Login",MODE_PRIVATE);

//edit

SharedPreferences.Editor editor=preferences.edit();

//editor.putString("Key","values");

editor.putString("Pass",binding.pass.getText().toString());

editor.putString("Mobile",binding.mobile.getText().toString());

editor.commit();

Intent intent=new Intent(MainActivity.this,Menupage.class);

startActivity(intent);

}

});

}

activity_splash.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".Splash"
    android:background="@color/colorPrimary">

</androidx.constraintlayout.widget.ConstraintLayout>

<?xml version="1.0" encoding="utf-8"?>

<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context=".Splash"

android:background="@color/colorPrimary">

</androidx.constraintlayout.widget.ConstraintLayout>

Splash.java

package com.androindian.login;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.os.Handler;

public class Splash extends AppCompatActivity {

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

        new Handler().postDelayed(new Runnable() {
            @Override
            public void run() {
                SharedPreferences preferences=getSharedPreferences("Login",MODE_PRIVATE);
                String s1=preferences.getString("Pass",null);
                String s2=preferences.getString("Mobile",null);

                if(s1==null && s2==null){
                    Intent intent=new Intent(Splash.this,MainActivity.class);
                    startActivity(intent);
                    finish();
                }else {
                    Intent intent=new Intent(Splash.this,Menupage.class);
                    startActivity(intent);
                    finish();
                }

            }
        },3000);
    }
}

package com.androindian.login;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;

import android.content.SharedPreferences;

import android.os.Bundle;

import android.os.Handler;

public class Splash extends AppCompatActivity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_splash);

new Handler().postDelayed(new Runnable() {

@Override

public void run() {

SharedPreferences preferences=getSharedPreferences("Login",MODE_PRIVATE);

String s1=preferences.getString("Pass",null);

String s2=preferences.getString("Mobile",null);

if(s1==null && s2==null){

Intent intent=new Intent(Splash.this,MainActivity.class);

startActivity(intent);

finish();

}else {

Intent intent=new Intent(Splash.this,Menupage.class);

startActivity(intent);

finish();

}

},3000);

}

activity_menu.xml

<?xml version="1.0" encoding="utf-8"?>
<layout>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".Menupage"
    android:orientation="vertical">

    <Button
        android:id="@+id/button"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="logout" />
</LinearLayout>
</layout>

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context=".Menupage"

android:orientation="vertical">

<Button

android:id="@+id/button"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:text="logout" />

</LinearLayout>

</layout>

MenuPage.java

package com.androindian.login;

import androidx.appcompat.app.AppCompatActivity;
import androidx.databinding.DataBindingUtil;

import android.content.SharedPreferences;
import android.os.Bundle;
import android.view.View;
import android.widget.Toast;

import com.androindian.login.databinding.ActivityMenupageBinding;

public class Menupage extends AppCompatActivity {

    ActivityMenupageBinding binding;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        binding= DataBindingUtil.setContentView(Menupage.this,R.layout.activity_menupage);

        SharedPreferences preferences=getSharedPreferences("Login",MODE_PRIVATE);
        String s1=preferences.getString("Pass",null);
        String s2=preferences.getString("Mobile",null);


        Toast.makeText(this, ""+s1+s2, Toast.LENGTH_SHORT).show();

        binding.button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                SharedPreferences preferences=getSharedPreferences("Login",MODE_PRIVATE);
                SharedPreferences.Editor editor=preferences.edit();
                editor.clear();
                editor.commit();

            }
        });
    }
}

package com.androindian.login;

import androidx.appcompat.app.AppCompatActivity;

import androidx.databinding.DataBindingUtil;

import android.content.SharedPreferences;

import android.os.Bundle;

import android.view.View;

import android.widget.Toast;

import com.androindian.login.databinding.ActivityMenupageBinding;

public class Menupage extends AppCompatActivity {

ActivityMenupageBinding binding;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

binding= DataBindingUtil.setContentView(Menupage.this,R.layout.activity_menupage);

SharedPreferences preferences=getSharedPreferences("Login",MODE_PRIVATE);

String s1=preferences.getString("Pass",null);

String s2=preferences.getString("Mobile",null);

Toast.makeText(this, ""+s1+s2, Toast.LENGTH_SHORT).show();

binding.button.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

SharedPreferences preferences=getSharedPreferences("Login",MODE_PRIVATE);

SharedPreferences.Editor editor=preferences.edit();

editor.clear();

editor.commit();

}

});

}

Output Refer in Youtube Video.

What is AsyncTask in Android?

June 10, 2020 androindian Leave a comment Android Tutorials

Android UI Main Thread Android handles input events/tasks with a single User Interface (UI) thread and the thread is called Main thread. Main thread cannot handle concurrent operations as it handles only one event/operation at a time. Concurrent Processing in Android If input events or tasks are not handled concurrently, whole code of an Android […]

Progress Dialog (Circular)

May 16, 2020June 14, 2020 androindian Leave a comment Android Tutorials

Progress dialog with java. This is predefined and also its deprecated. gradle

apply plugin: 'com.android.application'

android {
    compileSdkVersion 29
    buildToolsVersion "29.0.3"

    defaultConfig {
        applicationId "com.androindian.progress"
        minSdkVersion 16
        targetSdkVersion 29
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        dataBinding.enabled=true
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }

}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])

    implementation 'androidx.appcompat:appcompat:1.1.0'
    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
}

apply plugin: 'com.android.application'

android {

compileSdkVersion 29

buildToolsVersion "29.0.3"

defaultConfig {

applicationId "com.androindian.progress"

minSdkVersion 16

targetSdkVersion 29

versionCode 1

versionName "1.0"

testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"

}

buildTypes {

dataBinding.enabled=true

release {

minifyEnabled false

proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'

}

dependencies {

implementation fileTree(dir: 'libs', include: ['*.jar'])

implementation 'androidx.appcompat:appcompat:1.1.0'

implementation 'androidx.constraintlayout:constraintlayout:1.1.3'

testImplementation 'junit:junit:4.12'

androidTestImplementation 'androidx.test.ext:junit:1.1.1'

androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'

}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<layout>
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context=".MainActivity"
        android:orientation="vertical">

        <Button
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/circular"
            android:text="Circular Dialog"></Button>

    </LinearLayout>
</layout>

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context=".MainActivity"

android:orientation="vertical">

<Button

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:id="@+id/circular"

android:text="Circular Dialog"></Button>

</LinearLayout>

</layout>

MainActivity.java

package com.androindian.progress;

import androidx.appcompat.app.AppCompatActivity;
import androidx.databinding.DataBindingUtil;

import android.app.ProgressDialog;
import android.os.Bundle;
import android.view.View;

import com.androindian.progress.databinding.ActivityMainBinding;

public class MainActivity extends AppCompatActivity {

    ActivityMainBinding binding;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        binding= DataBindingUtil.setContentView(MainActivity.this,R.layout.activity_main);

        binding.circular.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                ProgressDialog progressDialog=new ProgressDialog(MainActivity.this);
                progressDialog.setTitle("Please Wait");
                progressDialog.setMessage("Content Loading");
                //progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);

                progressDialog.show();
            }
        });
    }
}

package com.androindian.progress;

import androidx.appcompat.app.AppCompatActivity;

import androidx.databinding.DataBindingUtil;

import android.app.ProgressDialog;

import android.os.Bundle;

import android.view.View;

import com.androindian.progress.databinding.ActivityMainBinding;

public class MainActivity extends AppCompatActivity {

ActivityMainBinding binding;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

binding= DataBindingUtil.setContentView(MainActivity.this,R.layout.activity_main);

binding.circular.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

ProgressDialog progressDialog=new ProgressDialog(MainActivity.this);

progressDialog.setTitle("Please Wait");

progressDialog.setMessage("Content Loading");

//progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);

progressDialog.show();

}

});

}

Output

Predefined Dialog

May 14, 2020May 14, 2020 androindian 1 Comment Android Tutorials

A dialog is a small window that prompts the user to make a decision or enter additional information. A dialog does not fill the screen and is normally used for modal events that require users to take an action before they can proceed. Building an Alert Dialog The AlertDialog class allows you to build a […]

Android – Get battery level and percentage programmatically

December 29, 2019December 29, 2019 androindian Leave a comment Android Tutorials

activity_main.xml

<?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:padding="16dp"
    tools:context=".MainActivity"
    android:background="#d5ebfa"
    >
    <ProgressBar
        android:id="@+id/pb"
        android:layout_width="150dp"
        android:layout_height="150dp"
        style="@android:style/Widget.ProgressBar.Horizontal"
        android:progressDrawable="@drawable/progressbar_states"
        android:layout_centerInParent="true"
        />
    <TextView
        android:id="@+id/tv_percentage"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="25dp"
        android:textColor="#000"
        android:layout_centerInParent="true"
        />
    <TextView
        android:id="@+id/tv_info"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="20dp"
        />
</RelativeLayout>

<?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:padding="16dp"

tools:context=".MainActivity"

android:background="#d5ebfa"

<ProgressBar

android:id="@+id/pb"

android:layout_width="150dp"

android:layout_height="150dp"

style="@android:style/Widget.ProgressBar.Horizontal"

android:progressDrawable="@drawable/progressbar_states"

android:layout_centerInParent="true"

<TextView

android:id="@+id/tv_percentage"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:textSize="25dp"

android:textColor="#000"

android:layout_centerInParent="true"

<TextView

android:id="@+id/tv_info"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:textSize="20dp"

</RelativeLayout>

in drawable create once xml file to percentage in style progressbar_states.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:id="@android:id/background">
        <shape
            android:shape="oval">
            <stroke
                android:width="5dp"
                android:color="#d0d4d7"
                />
            <solid android:color="#eef2f5"/>
        </shape>
    </item>
    <item android:id="@android:id/progress">
        <clip android:clipOrientation="vertical" android:gravity="bottom">
            <shape
                android:shape="oval">
                <stroke
                    android:width="5dp"
                    android:color="#ff0001"
                    />
                <gradient
                    android:startColor="#7fc97c"
                    android:endColor="#99f396"
                    android:centerColor="#89e386"
                    android:angle="270"
                    android:gradientRadius="50"
                    android:centerY=".50"
                    />
            </shape>
        </clip>
    </item>
</layer-list>

<?xml version="1.0" encoding="utf-8"?>

<layer-list xmlns:android="http://schemas.android.com/apk/res/android">

<shape

android:shape="oval">

<stroke

android:width="5dp"

android:color="#d0d4d7"

</shape>

</item>

<shape

android:shape="oval">

<stroke

android:width="5dp"

android:color="#ff0001"

<gradient

android:startColor="#7fc97c"

android:endColor="#99f396"

android:centerColor="#89e386"

android:angle="270"

android:gradientRadius="50"

android:centerY=".50"

</shape>

</clip>

</item>

</layer-list>

MainActivity.java

package com.androindian.battery;

import androidx.appcompat.app.AppCompatActivity;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.BatteryManager;
import android.os.Bundle;
import android.view.Window;
import android.widget.ProgressBar;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    private Context mContext;
    private TextView mTextViewInfo;
    private TextView mTextViewPercentage;
    private ProgressBar mProgressBar;
    private int mProgressStatus = 0;

    private BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {

            int scale = intent.getIntExtra(BatteryManager.EXTRA_SCALE,-1);
            mTextViewInfo.setText("Battery Scale : " + scale);


            int level = intent.getIntExtra(BatteryManager.EXTRA_LEVEL,-1);
            mTextViewInfo.setText(mTextViewInfo.getText() + "\nBattery Level : " + level);


            float percentage = level/ (float) scale;
            mProgressStatus = (int)((percentage)*100);
            mTextViewPercentage.setText("" + mProgressStatus + "%");
            mTextViewInfo.setText(mTextViewInfo.getText() +
                    "\nPercentage : "+ mProgressStatus + "%");
            mProgressBar.setProgress(mProgressStatus);
        }
    };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // Request window feature action bar
        requestWindowFeature(Window.FEATURE_ACTION_BAR);
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // Get the application context
        mContext = getApplicationContext();

        IntentFilter iFilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
        mContext.registerReceiver(mBroadcastReceiver,iFilter);

        mTextViewInfo = (TextView) findViewById(R.id.tv_info);
        mTextViewPercentage = (TextView) findViewById(R.id.tv_percentage);
        mProgressBar = (ProgressBar) findViewById(R.id.pb);
    }
}

package com.androindian.battery;

import androidx.appcompat.app.AppCompatActivity;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.os.BatteryManager;

import android.os.Bundle;

import android.view.Window;

import android.widget.ProgressBar;

import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

private Context mContext;

private TextView mTextViewInfo;

private TextView mTextViewPercentage;

private ProgressBar mProgressBar;

private int mProgressStatus = 0;

private BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {

@Override

public void onReceive(Context context, Intent intent) {

int scale = intent.getIntExtra(BatteryManager.EXTRA_SCALE,-1);

mTextViewInfo.setText("Battery Scale : " + scale);

int level = intent.getIntExtra(BatteryManager.EXTRA_LEVEL,-1);

mTextViewInfo.setText(mTextViewInfo.getText() + "\nBattery Level : " + level);

float percentage = level/ (float) scale;

mProgressStatus = (int)((percentage)*100);

mTextViewPercentage.setText("" + mProgressStatus + "%");

mTextViewInfo.setText(mTextViewInfo.getText() +

"\nPercentage : "+ mProgressStatus + "%");

mProgressBar.setProgress(mProgressStatus);

}

};

@Override

protected void onCreate(Bundle savedInstanceState) {

// Request window feature action bar

requestWindowFeature(Window.FEATURE_ACTION_BAR);

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

// Get the application context

mContext = getApplicationContext();

IntentFilter iFilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);

mContext.registerReceiver(mBroadcastReceiver,iFilter);

mTextViewInfo = (TextView) findViewById(R.id.tv_info);

mTextViewPercentage = (TextView) findViewById(R.id.tv_percentage);

mProgressBar = (ProgressBar) findViewById(R.id.pb);

}

output

Runtime permissions

December 29, 2019 androindian Leave a comment Android Tutorials

Welcome to android runtime permissions example. With the introduction of Android 6.0 Marshmallow, Google has changed the way permissions are handled by the app. In this tutorial we’ll look into the new android runtime permissions that are introduced and how to handle them. If not handled properly, it can cause application crashes. What are Android […]

How to implement phone number Verification by OTP using Firebase in Android

December 27, 2019December 29, 2019 androindian Leave a comment Android Tutorials

Hey guys! In this tutorial, I am covering user verification by phone number by sending OTP to the mobile using Firebase authentication. You can use Firebase Authentication to enable a user to sign in to your app by sending an SMS to user’s device which contains a one-time-password. The user then enters this OTP in […]

How to get Current Latitude and longitude in Android

December 22, 2019 androindian Leave a comment Android Tutorials

This Android tutorial is to help learn How to get current latitude and longitude in the Android platform. Knowing the current location in an android mobile will pave the way for developing many innovative Android apps to solve people’s daily problem. For developing the location-aware application in android, it needs location providers. I have added […]

Android Tutorials

How to Install development apps in Mobile

Sending FireBase Notification to Android Mobiles

Login Session Using SharedPreferences

What is AsyncTask in Android?

Progress Dialog (Circular)

Predefined Dialog

Android – Get battery level and percentage programmatically

Runtime permissions

How to implement phone number Verification by OTP using Firebase in Android

How to get Current Latitude and longitude in Android

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