Null object reference android
[PDF File]Deep Dive into Android IPC/Binder Framework at Android ...
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Feb 19, 2013 · A reference to a remote object can be passed to yet another process and can be used as an ... Android’s Messenger represents a reference to a Handler that can be sent to a remote process via an ... (client != null && msg.what == CALLBACK_MSG && data != null)
[PDF File]Android Concurrency & Synchronization: Part 8
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Android Concurrency & Synchronization Douglas C. Schmidt . 5 . Thread-Specific Storage POSA2 Synchronization . Intent • Allows multiple threads to use one ‘logically global’ access point to retrieve an object that is local to a thread, without incurring locking overhead on each object access
[PDF File]HybriDroid: Analysis Framework for Android Hybrid Applications
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HybriDroid Soundy analysis framework for Android hybrid applications Support forpartialbutmostimplicit inter-language ows backed by APIs, blogs, and Dalvik VM source code
[PDF File]Handling Offline apability and ata Sync in an …
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3 Figure 1: A Restaurant Sample App - Little Chef When the restaurant manager updates menu items on the backend server, we need an efficient sync strategy for propagating these changes to all the deployed mobile devices/apps.
[PDF File]Android Content Providers - University of Texas at Austin
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android:permission attribute of the element. • Separate read and write provider-level permission • You specify them with the android:readPermission and
[PDF File]C# Basics Cheat Sheet (1 of 4)
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Feb 07, 2019 · Value types and reference types are handled differently in memory. Value types are stored on the stack. Reference types have a reference (memory pointer) stored on the stack and the object itself is stored on the heap. With reference types, multiple variables can reference the same object, and object changes made through one variable will affect
[PDF File]Parsing JSON
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Null values are represented by the instance JSONObject.NULL. To parse compound JSON data from a String, you may simply create a new Java object of the appropriate type, passing the String as the only argument to the constructor. For example, if a JSON object is in the String jsonString, then org.json.JSONObject may be used
[PDF File]Addressing Non-Functional Requirements in Mobile …
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– Google verifies new apps installed in Android 4.3+ • Bad: – Nosecurity through obscurity : Linux is open-source, APK file can be freely inspected, Java
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