activity monitor app android

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Storage and recovery of unexpected activity data in Android

post the test process, directly to tell you the results of the test :When my app is in front of the foreground and can interact with the user, theonsaveinstancestate method will not be called until the above-mentioned unexpected event occurs. The rest of the time, this method will all be called, this is why? And the OnPause method is bound to be called, which gives us the idea of how to save the data?OnsaveinstancestateWell, I believe that when you

Self-learning Android notes -- data transfer case in Activity (user registration), androidactivity

Self-learning Android notes -- data transfer case in Activity (user registration), androidactivity1. Create the program activity_main: In the above Code, a relative layout RelativeLayout is defined. An EditText and a Button are created in the layout for entering the content and clicking the "Submit user information" Button for data transmission.2. Create the Activity

"Android4 Advanced Programming Notes" dive into Android Activity

by where it is located in the activity stack, which is the last-in-first-out collection of all currently running activity.Status of 2.ActivityActive state: At the top of the stack, the visible, focused foreground activity, when it can receive user input.Paused state: visible, but not focusable. Unable to accept user input eventsStop state: When not visible. The activit

The life cycle of the activity of Android development and the resource adaptation scheme when the screen is switched

background : There have been two blog posts written about activity beforeThe life cycle of Android activity: Detailed description of the activity's entire life cycle, transitions between states, and the state of the activity that was saved when returning to the desktopTrigger timing of Onsaveinstancestate and Onrestore

Android: singleTop in Activity Startup Mode

Android: singleTop in Activity Startup Mode Let's take a look at the description of singleTop Startup Mode: There can be multiple instances, but multiple instances of the Activity cannot be superimposed. That is, if an instance of this Activity starts at the top of the stack, the OnNewIntent method will be called inste

Android Four components (Activity, Service, Broadcastreceiver, ContentProvider)

Reproduced in: http://blog.csdn.net/byxdaz/article/details/9708491http://blog.csdn.net/q876266464/article/details/19641251The four basic components of Android are Activity,service services, content provider contents provider, broadcast receiver broadcast receiver.First, understand the four basic componentsActivity:In an application, an activity is usually a separ

Android Development Series Two window activity lifecycle _android

) {super.oncreate (savedinstancestate); LOG.D ("OnCreate", "OnCreate method is executed"); Setcontentview (R.layout.activity_main); } @Override protected void OnDestroy () {Super.ondestroy (); LOG.D ("OnDestroy", "OnDestroy method is executed"); } @Override protected void OnPause () {super.onpause (); LOG.D ("OnPause", "OnPause method is executed"); } @Override protected void Onrestart () {Super.onrestart (); LOG.D ("Onrestart", "Onrestart method is executed"); } @Override protected void Onresum

Transition animations for Android activity and fragment

Activity Transitions AnimationThe transition animations for activity are implemented by overridependingtransition (int enteranim, int exitanim).This method is added by API level 5.This method startActivity(Intent) finish() is called after or, specifying the next transition animation.The first parameter of the method: Enteranim, is the resource ID of the new activity

Android Learning Route (11) Managing the life cycle of activity

When a user enters. When you exit and enter your app again, your app Activity will switch between the various states of its life cycle.For example, when your activity starts for the first time. It takes the focus of the user in front of the system today. In this process, the Androi

Getting started with Android (6): Understanding Activity Progress and displaying the "progress bar" dialog box

display a progress dialog"/> [Java] package net. horsttnann. Dialog;Import net. horsttnann. Dialog. R;Import android. app. Activity;Import android. app. ProgressDialog;Import android. OS. Bundle;Import

Implement Android dynamic load apk (Fragment or activity implementation)

Respect for the original: http://blog.csdn.net/yuanzeyao/article/details/38565345Recently due to the project is too large, resulting in the compilation pass (Android to an application of the number of methods seems to be limited), so has been wondering whether some of the modules can not install the APK, dynamic loading, through the Internet to find information and the help of netizens, finally realize the APK dynamic loading, There are a lot of artic

Self-study Android notes -- Case Study of Returning data in the Activity (Equipment Selection), androidactivity

) {this. acctack = acctack;} public int getLife () {return life;} public void setLife (int life) {this. life = life;} public int getSpeed () {return speed;} public void setSpeed (int speed) {this. speed = speed;} public String toString () {return "[name =" + name + ", acctack =" + acctack + ", life =" + life + ", speed = "+ speed +"] ";}} In addition to passing basic types, Intent can only pass Serializable or Parcelable data. To facilitate data transmission, let the ItemInfo class implement th

Android does not have a main function, how to find the program to execute the portal? And a description of how the activity's main life cycle is

file defines the activity that the entire Android app contains. The default generated activity is defined as:The Android.intent.action.MAIN in the action node indicates that the activity in which it resides is the entry point for the entire application. and the category of

Use of Onsaveinstancestate and onrestoreinstancestate in Android activity

Onsaveinstancestate () and Onrestoreinstancestate () methods for Android activity:1. Basic role:Activity's Onsaveinstancestate () and onrestoreinstancestate () are not life cycle methods, they are not necessarily triggered, unlike life cycle methods such as onCreate (), OnPause (). Onsaveinstancestate () is called when an activity is destroyed by the system when

Android uses startActivityForResult () to obtain the return value of another Activity.

First Activity [Java]Package yyy. testandroid5;Import android. app. Activity;Import android. content. ComponentName;Import android. content. Intent;Import android. OS. Bundle;Import

Remove the title bar from the Android app. Remove the title bar from the android app.

Remove the title bar from the Android app. Remove the title bar from the android app. 1. Implement in code This. requestWindowFeature (Window. FEATURE_NO_TITLE); // remove the title bar. this indicates the current Activity. This code must be added before setContentView.This.

7) 10 minutes to learn the pause and recovery of the life cycle of android--activity

When the app is used normally, the activity on the front end is sometimes blocked by other visible components (obstructed), which causes the current activity to enter the pause state. For example, when you open a translucent activity (for example, in the form of a dialog box), the previous

Android hides the app icon and android hides the app

Android hides the app icon and android hides the app In the past, I had nothing to worry about. I browsed my blog and saw the article that opened the app with a browser address,After trying as described in this article, I found that the

Achieve Android dynamic APK loading (Fragment or Activity implementation)

Achieve Android dynamic APK loading (Fragment or Activity implementation) Recently, due to the project being too large, compilation and translation failed (Android seems to have a limit on the number of methods in an application), so I have been wondering whether to dynamically load the APK of some modules without installation, by searching for information and h

Android four components of activity and access to network resources of the breakpoint continue to pass

requestcallbackDownload Successful callback: onsuccess (responseinfoCallback for Progress update: Onloading (Long, Long, Boolean isuploading)Download failed callback: OnFailure (HttpException arg0, String arg1)Day06activity1. The process of developing an interface in AndroidThe interface's corresponding class in Android is activityCreate a class to inherit activity, set the layout file of the interface thr

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