gettag android

, because the memory does not reach the heap upper limit, resulting in full gc. The heap logs can be filtered out by dalvikvm-heap. If the heap memory is full gc, logs similar to this will be generated: Dalvikvm-heap (11651): Heap Massage needed (768000-byte external allocation too big)Dalvikvm-heap (11651): Full GC (don't collect SoftReferences) It can be preliminarily determined that it is the temporary object used by the GridView/ListView to implement scrolling. It is quickly discarded with s

print some information, including the method name/line number, and so on. Here's a way to save the hassle: private static String buildMessage(String msg) { StackTraceElement[] trace = new Throwable().fillInStackTrace() .getStackTrace(); String caller = ""; for (int i = 2; i length; i++) { Class> clazz = trace[i].getClass(); if (!clazz.equals(LogUtil.class)) { caller = trace[i].getMethodName(); break;

Problem Background: I have a database in another activity, which contains several entries. The database stores the simplest string type "name" information. In another activity, I press the button to display a list with checkbox, display the name in the database, and then select multiple. Similar to the Folder deletion function. The following is an implementation: In the first part, create a new my_checkbox.xml file in the layout folder. This layout is used to control how each row is displayed in

First, we will introduce the afinal development framework:1. afinal is a compact android Application Development Framework.2. It contains an orm framework. You can add, delete, modify, and query android sqlite without configuring any files.3. It contains an ioc framework that automatically binds android layout files and code controls, and supports event binding.4

Android Memory leakage optimization summary, android LeakageAndroid Memory leakage optimization summary blog category: androidAndroid memory overflow OutOfMemoryError.The memory allocated to applications by android phones is usually about 8 Mb. If the memory is improperly processed, it may easily cause OutOfMemoryError. The most common error in our products is th

ugly effect, and even do not understand this attribute, see Res/drawable/scrollbar_vertical_thumb.xml and scrollbar_vertical_track.xml in apidemos. Set the code to Android: scrollbartrackvertical = "@ drawable/scrollbar_vertical_track" Android: scrollbars Set the display of the scroll bar. None (hidden), horizontal (horizontal), vertical (vertical ). See the following code to demonstrate how to

: drawpidding and drawableLeft set the left (Up, down, left, right) border image of textview. The former is used to set the interval between text and drawable. 28: Chinese bold TextView TV = (TextView) findViewById (R. id. TextView01 ); TextPaint tp = TV. getPaint (); Tp. setFakeBoldText (true); bold for others: Use android: textStyle = "bold" in xml files" 29: In a View, if you use a TAG to pass a value, for example, to add a click event to a dynamic

This is my collection of the classic books on Android development, high-definition PDF electronic version, can be downloaded in my Baidu network free of charge, I hope that the need for friends to help. Directory:Android 4 Advanced Programming (full source code included)"Crazy Android Handout""Android App Development (Guo Hongzhi)""

Android Android-use Eclipse to develop the first android Application, android-android Open Eclipse and select File-New-Android Application Project Application Name is our Application Name, which is also the Name we see in the mob

button = new Button (mContext );Button. setTag (I );Button. setOnClickListener (this );This. addView (button );I ++;}}@ OverridePublic void onClick (View button ){// TODO Auto-generated method stubIf (button instanceof Button ){Switch (Integer) button. getTag ()){Case 0:Break;Case 1:Break;Case 20:Break;Default:Break;}}}}How can I bring up a PopupWindow trigger event during initialization of the android pro

void Settag() {Gridview.settag (five,"Hello World"); Gridview.settag (Six,true); Gridview.settag (Serven, -); Gridview.settag (Eight,158.9f); }Private void Gettag() {LOG.E ("GridView Gettag (Index)","String:"+ (String) Gridview.gettag (five)); LOG.E ("GridView Gettag (Index)","Boolean:"+ ((Boolean) Gridview.gettag (six)); LOG.E ("GridView

Android Android-build an android development environment, android-android Android official website address: http://developer.android.com/, download and install AndroidSDK following the steps below: Download ADT and SDK: http://dev

First, create a layout file. The interface is very simple. It is a search box and the following contact list: Copy codeThe Code is as follows: Android: layout_width = "fill_parent" Android: layout_height = "fill_parent" Android: background = "# FFD3D7DF" Android: orientation = "vertical"

In development, we often use the ListView control. The Android API also provides many shortcuts for creating ListView adapters. For example, ArrayAdapter, SimpleAdapter, and SimpleCursorAdapter. But do you find that if you use the adapters provided by these systems, the response to the event can only be limited to one row unit. If a row contains a button and an image control, the response operations between them are different. If the system adapter is

This example for you to share the Android activity recovery and Operation timeout processing for your reference, the specific content as follows 1. Recovery of activity Handling for multiple activity exits Key code: 1), New Activity management class: public class Activitycollector { private static list 2, create the base class baseactivity, and make all the activity inherit from the base class. When you create it, you add it to the

Import android. app. Activity; Import android. view. LayoutInflater; Import android. view. View; Import android. view. ViewGroup; Import android. widget. BaseAdapter; Import android. widget. CompoundButton; Import

First, understand the Android operating system Android was first founded by Andy Robin (Andy Rubin) and was acquired by Google in 2007, and Google has achieved great success with its Android operating system on smartphones. 1, the characteristics of the Android operating system The

Mobile phone Bluetooth control relay wireless lock Iot Android source code android development Android WIFI control detailed annotation test stability no bug, android Android I. functions: 1. Connect and disconnect Android WIFI, a

Principle Analysis and Solution of control display repetition/error during Android ListView Sliding Process Preface: To improve the ListView performance, the most common method is to add a ViewHolder static class. Although the performance is greatly improved, the content of the Item control is displayed repeatedly or in disorder. Analyze and solve the following two problems 1. Display errors caused by uninitialized control data. Ii. Display errors an

Android development often encounters checkbox and button in listview. Here there are three main problems: 1. when the listview contains a checkbox or button, the listview item cannot respond to the click event. This is mainly because the focus retrieval capability of the checkbox or button is higher than that of the listview, so that its subcontrol cannot obtain the focus, that is, set the sub-control attribute An