debugging tool saves the call stack in the process at that time, and writes the process information in case of exceptions to the data/tombstones directory created by the system,
Developers need to analyze the entire call process through the call stack to find out the problem.
Http://www.eoeandroid.com/thread-206358-1-1.html
4. Runtime executable program
Compile
Mainactivity extends Activity
{
private int a = 0; //proguard The code is confused, the variable i changes to a
protected void OnCreate (Bundle parambundle)
{
super.oncreate (Parambundle);
Setcontentview (2130903040);
The //LOG.E () code is removed, but the i++ in the call to the test () function is directly optimized here
StringBuilder Localstringbuilder = new StringBuilder ("log
drawing events), and also in this main thread, your app and the Android UI components (the component from the Android UI Toolkit Android.widget and Android.view packages) interact.So the main thread is also called the UI thread . The system does not create a separate thread for each component, the UI component in the same process is instantiated in the UI thread, and the system's
Android provides a user-level lightweight LOG Mechanism. Its implementation runs through Java, JNI, local c/c ++ implementation, Linux kernel driver, and Other Android layers, it is simple and clear enough to explain the case. This series of articles explains the internal implementation mechanism of the LOG mechanism.
Original: Uncle also said Xamarin~android ~ Call the remote API interface, send a POST requestXamarin We've taught you how to deploy it in the last section, a practical example today, using an Android client to invoke an interface to the. NET Web API and send a POST request that responds when the server returns to the request. Client
Learning Journey Based on Android NDK ----- jni log PrintingAll programs are called.The following describes how to use the log printing method on the JNI layer, similar to the log printing method provided by the Android sdk.1. Android
Analysis of uart log that android cannot bootSimilar to complex R/W mem test fail, it fails in the preloader stage. Please contact the Fraud Department;[SD0] dat crc error, patch: ALPS00787669;NAND project:Init: command r =-1 'mount ubifs ubi @ system/system wait'Init: command r =-1 'mount ubifs ubi @ userdata/data nosuid nodev wait'Init: command r =-1 'mount ubifs ubi @ cache/cache nosuid nodev wait'EMMC p
Intent jump to the system application in the dial-up interface, contact interface, SMS interface and other features in the development now need to jump directly to dial, contact, SMS interface and so on, find a lot of information, self-organized a bit.First, we look at the dial-up interface, the code is as follows:Intent Intent =new Intent (); Intent.setaction ("Android.intent.action.CALL_BUTTON"); StartActivity (Intent);AndUri uri = uri.parse ("tel:xxxxxx"), Intent Intent = new Intent (intent.a
1. CreateNative MethodPublic final static native int startservice ();2. Select Project Right click on Android Tools->add native support will generate JNI fileThe 3.CD user/alarmtest/bin/command enters the project's classes execution Javah Com.li.JNI package name. Class name can generate Com_yfz_jni.h file and then copy the com_yfz_jni.h file to the JNI file4 Modify Android.mk FileLocal_path: = $ (call My-di
Go will log on to Android platform
According to David Crawshaw, a member of the Google Go Language Development Team, the Go language is about to log on to the Android platform. For those who want to develop more languages than Java on the Android platform, although it is not
Note: Most of the content in this article is reproduced from: newcj's blog, please respect others' labor achievements!
After writing"Android notification usage", We found several problems, especially setting the notification intent so that we can correctly call back the corresponding activity in the previous task that has been placed in the background like QQ or other programs, instead of creating a new ins
Android provides its own log output api--> located in the Android.util.Log class.This class compares the common print log method to have 5, these 5 methods will print the log to the Logcat:1 log.v (tag,message); // 2 log.d (tag,message); // 3 log.i (tag,message); // 4 LOG.W (tag,message);
Similar to complex r/w mem test fail in the Preloader stage, please contact with the company;[SD0] DAT CRC Error, please play patch:alps00787669;NAND Project:Init:command r=-1 ' Mount Ubifs [email protected]/system wait 'Init:command r=-1 ' Mount Ubifs [email protected]/data nosuid nodev wait 'Init:command r=-1 ' Mount Ubifs [email protected]/cache nosuid nodev wait 'eMMC Project:Init:command r=-1 ' Mount Ext4/[email protected]/system noatime ro remount wait 'Init:command r=-1 ' Mount Ext4/[emai
Http://blog.csdn.net/knock/article/details/5511255
For debugging, you must understand how to print logs, so the following analysis is available.
We usually insert statements such as logd (..) and loge (..) in the program. But under what circumstances can we view these printed messages?First, go to the definition: System/CORE/include/cutils/log. h.# Ifndef log_tag# Define log_tag null# EndifTherefore, log_tag must be defined before # include "
Reprint Please specify source:http://blog.csdn.net/u010214991/article/details/49149793I remember the first time I wrote an article titled " Android uses the official API to share content to QQ and (non-third party integration)", which describes how to use the official SDK to realize the sharing function. So today we talk about how to use Sina Weibo authorized login to obtain user information, we all know, now many software in addition to local registr
consider writing this:Write a log tool class directly:public class MyLog {static Boolean state = true;//If you want to publish the app, you can get rid of the state =false and there will be no log output.public static void D (String str) {if (state) {LOG.I ("N Your App Name:", str);}}}Then each time you call MYLOG.D (String str) method, and an application in the
ContentProvider of the Call System for Android development-SMS acquisition and backupPatience and persistence are painful, but gradually bring you benefits.After sticking to one thing for a while, we may have a lot of abandonment thoughts in our mind. Maybe after several years of giving up, we will wonder what will happen if we stick to it ..., but unfortunately, we didn't stick to it. Recently, I am too la
Reprinted: http://blog.csdn.net/f8376904110/article/details/6460934
When using listview. Sometimes, when you customize the adapter, do you find that when printing logs in getview, you have repeatedly called it many times? Sometimes four times. Some are serious or even 10 times, when we move in listview. Each column is called many times, which greatly affects the efficiency! In fact, this is related to the listview mechanism on Android. Let me sta
) "Vnd.android.cursor.item/organization": CompanyDATA.DATA15: This field is the head of the query;Realization idea: According to the contacts._id found in the previous table to the data table query, the returned DATA.DATA1 is all the contact information,According to Data.mimetype data to go with mimetypes this table to match, to determine the specific return of the information is (name, phone ....) )Remember to read call logs to configure permissions:
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