manifest

AndroidManifest.xml Elements:

1. Package Name:
• Defines the unique identifier for the app. It's specified within the <manifest> tag as package="com.example.myapp".
 
 

2. Permissions:
• Specifies permissions required by the app to access certain device functionalities, like camera, internet, etc. These are declared using <uses-permission> tags.
• following page will tell more about permissions in android

Permission

3. Application Components:
• Activities: Represents the app's screens. Each <activity> tag defines a screen and its properties.
• Services: Background processes that run independently of the UI.
• Broadcast Receivers: Responds to system-wide broadcast announcements.
• Content Providers: Manages a shared set of app data.
 

2. Intent Filters:
• Defined within <activity>, <service>, <receiver>, or <provider> tags, they specify the types of intents (e.g., actions, categories, data) that the component can respond to.
 

3. Main Launcher Activity:
• Specifies which <activity> should be launched when the app starts. It's defined using an <intent-filter> inside the <activity> tag with the android.intent.action.MAIN and android.intent.category.LAUNCHER actions.
 

4. App Permissions and Features:
• Defines which hardware/software features the app requires, such as camera, GPS, NFC, etc., using <uses-feature> tags.
 

5. Versioning Information:
• Specifies the android:versionCode and android:versionName to manage app versioning in the <manifest> tag.

Example:

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

    <!-- Permissions -->
    <uses-permission android:name="android.permission.CAMERA" />
    <uses-permission android:name="android.permission.INTERNET" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme">

        <!-- Main Launcher Activity -->
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

        <!-- Other Activities, Services, Broadcast Receivers, Content Providers -->

    </application>

    <!-- Versioning Information -->
    <uses-sdk
        android:minSdkVersion="XX"
        android:targetSdkVersion="YY" />
    <uses-feature android:name="android.hardware.camera" />
    <uses-feature android:name="android.hardware.camera.autofocus" />

</manifest>