android analytics

!!readme.md

android analytics

tasks

1. is this an instant app or a regular app
2. what is the apk size (actually the apk size) Getting Installed App Size
3. what is the available memory

01_firebase_analtics.java

//required
// device with
//   API 9 +
//   Play 9.0
//   emulator with google apis
// sdk 
//   google play sevices rev 30+
//   google repository 26+
//gen sha1 pass (linux/mac)
// keytool -list -v -keystore ~/.android/debug.keystore -alias androiddebugkey -storepass android -keypass android 
//gen sha1 pass (windows)
// keytool -list -v -keystore C:\Documents and Settings\[User Name]\.android\debug.keystore -alias androiddebugkey -storepass android -keypass android 
//download and add a json.config to the app directory of the project
// add a line to the dependency block of the project level
buildscript {
  dependencies {
    // Add this line
    classpath 'com.google.gms:google-services:3.0.0'
  }
}
// add a plugin into the app module
// Add to the bottom of the file
apply plugin: 'com.google.gms.google-services'
// add a `implementation` dependenct on firebase core
dependencies {
  // ...
  implementation 'com.google.firebase:firebase-core:9.0.2' //use the latest
}
//check by lanching and inspect logcat you can filter for 'FirebaseInitProvider initilised successfully'
//add features that you want
com.google.firebase:firebase-core:16.0.3	Analytics
com.google.firebase:firebase-database:16.0.1	Realtime Database
//com.google.firebase:firebase-firestore:17.1.0	Cloud Firestore
//com.google.firebase:firebase-storage:16.0.1	Storage
com.crashlytics.sdk.android:crashlytics:2.9.5	Crashlytics
com.google.firebase:firebase-auth:16.0.3	Authentication
//com.google.firebase:firebase-messaging:17.3.0	Cloud Messaging
//com.google.firebase:firebase-config:16.0.0	Remote Config
//com.google.firebase:firebase-invites:16.0.3	Invites and Dynamic Links
//com.google.firebase:firebase-ads:15.0.1	AdMob
//com.google.firebase:firebase-appindexing:16.0.1	App Indexing
//com.google.firebase:firebase-perf:16.1.0	Performance Monitoring
//com.google.firebase:firebase-functions:16.1.0	Cloud Functions for Firebase Client SDK
//com.google.firebase:firebase-ml-vision:17.0.0	ML Kit (Vision)
//com.google.firebase:firebase-ml-model-interpreter:16.2.0	ML Kit (Custom Model)

02_APK_Size.java

int sysVersion= Build.VERSION.SDK_INT;
    if (pkgName != null) {// packageName

        PackageManager pm = getPackageManager(); 
        try {

            Class<?> clz = pm.getClass();
            if (sysVersion>16) {
                Method myUserId=UserHandle.class.getDeclaredMethod("myUserId");//ignore check this when u set ur min SDK < 17
                int userID = (Integer) myUserId.invoke(pm);
                Method getPackageSizeInfo = clz.getDeclaredMethod(
                        "getPackageSizeInfo", String.class,int.class,
                        IPackageStatsObserver.class);//remember add int.class into the params 
                getPackageSizeInfo.invoke(pm,pkgName, userID, new PkgSizeObserver());
            } else {//for old API
                Method getPackageSizeInfo = clz.getDeclaredMethod(
                        "getPackageSizeInfo", String.class,
                        IPackageStatsObserver.class);
            getPackageSizeInfo.invoke(pm, pkgName, new PkgSizeObserver());
            }
        } catch (Exception ex) {
            Log.e(TAG, "NoSuchMethodException");
            ex.printStackTrace();
            throw ex;}