updated: AutoInitLibrary example by implementing content provider and…

… setting it up so that the library is init on app start

AutoInitLibrary/app/src/main/java/github/nisrulz/sample/autoinitlibrary/MainActivity.kt

@@ -14,8 +14,7 @@ class MainActivity : AppCompatActivity() {
         // Get Instance
         val awesomeLib = AwesomeLib.getInstance()
 
-        // Init the Library
-        awesomeLib.init(this)
+        // No need to init the Library anymore, as it is being done so on app start
 
         // Set the textview
         textView.text = awesomeLib.stringData

AutoInitLibrary/awesomelib/src/main/AndroidManifest.xml

@@ -1,2 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="github.nisrulz.sample.awesomelib" />
+    package="github.nisrulz.sample.awesomelib">
+
+    <application>
+        <provider
+            android:name=".AwesomeLibInitProvider"
+            android:authorities="${applicationId}.awesomelibinitprovider"
+            android:enabled="true"
+            android:exported="false"></provider>
+    </application>
+
+</manifest>

AutoInitLibrary/awesomelib/src/main/java/github/nisrulz/sample/awesomelib/AwesomeLibInitProvider.java

@@ -0,0 +1,70 @@
+package github.nisrulz.sample.awesomelib;
+
+import android.content.ContentProvider;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.pm.ProviderInfo;
+import android.database.Cursor;
+import android.net.Uri;
+
+public class AwesomeLibInitProvider extends ContentProvider {
+
+    public AwesomeLibInitProvider() {
+    }
+
+    @Override
+    public void attachInfo(Context context, ProviderInfo providerInfo) {
+        if (providerInfo == null) {
+            throw new NullPointerException("YourLibraryInitProvider ProviderInfo cannot be null.");
+        }
+        // So if the authorities equal the library internal ones, the developer forgot to set his applicationId
+        String libAuthorityString = "github.nisrulz.sample.awesomelib.awesomelibinitprovider";
+        if (libAuthorityString.equals(providerInfo.authority)) {
+            throw new IllegalStateException("Incorrect provider authority[" + libAuthorityString + "]" +
+                    " in manifest. " +
+                    "Most likely due to a "
+                    + "missing applicationId variable in application\'s build.gradle.");
+        }
+        super.attachInfo(context, providerInfo);
+    }
+
+    @Override
+    public boolean onCreate() {
+
+        // get the context (Application context)
+        Context context = getContext();
+        // initialize AwesomeLib  here
+        AwesomeLib.getInstance().init(context);
+
+        return false;
+    }
+
+
+    @Override
+    public String getType(Uri uri) {
+        return null;
+    }
+
+
+    @Override
+    public Cursor query(Uri uri, String[] projection, String selection,
+                        String[] selectionArgs, String sortOrder) {
+        return null;
+    }
+
+    @Override
+    public Uri insert(Uri uri, ContentValues values) {
+        return null;
+    }
+
+    @Override
+    public int update(Uri uri, ContentValues values, String selection,
+                      String[] selectionArgs) {
+        return 0;
+    }
+
+    @Override
+    public int delete(Uri uri, String selection, String[] selectionArgs) {
+        return 0;
+    }
+}