Android mobile phone test-ddms monitor-crash, log, android test-ddms
1. Install adb
Offline solution:
The reason is that the android 4.2 and later versions are too high, and the adb driver of the sdk does not match and needs to be upgraded. My original adb is 1.0.29 and upgraded to 1.0.31. The problem is solved.
2
Android Launcher: get the list of apps installed on your mobile phone. Android launcher
The most important of Launcher is to obtain the entries and icons of all application lists. Generally, there are two methods to obtain them:
PackageInfo
ResolveInfo
Run and obtain the Launcher of all apps and allow click events to go to the application.
The following two met
In this chapter, we will learn how to use DisplayMetrics to obtain the resolution of a mobile phone.
Yes. When Android phones are so popular around the world, the differences between mobile phones are also due to the different strategic objectives of different manufacturers, resulting in the increasing number of mobile phone differences.
In the four years from 32
Try to install the Qpython before, but it is based on python2.7. I am the python3 of study, so it has been useless. Today, I found the python3.2 version of Qpython3 in the Samsung App Store, so I'm here to share it with the Android guys.
The following is a partial screenshot of two software, which is fully functional.
Playing Python's weapon on the phone, Qpyton. Here are two version
No more nonsense to say, directly to everyone to paste the code:
The specific code looks like this:
public class Miuiutils {//Detect MIUI private static final String Key_miui_version_code = "Ro.miui.ui.version.code";
private static final String Key_miui_version_name = "Ro.miui.ui.version.name";
private static final String key_miui_internal_storage = "Ro.miui.internal.storage"; The public static Boolean Ismiui () {
The above code is based on Andro
Next, let's talk about Android in the process of growth. This article describes the features of Android platforms different from those of other touch-screen mobile phone systems and desktop systems. These features require more performance in our developed applications, this is an Android app. These features may be diff
I recently started to learn about Android, mainly focusing on the secrets of Android Application Development. In chapter 3rd, example_03_02 is an example of reading the name and phone number of contacts in the address book. However, due to API 2.0, each contact can have multiple phone numbers (such as mobile phones, re
1, the phone to get root privileges (my is Xiaomi note, directly download MIUI development version installation can be)2, download in App market ( Terminal Simulator ), install. 3, give (terminal emulator) root privileges. Tip: To test whether it has root privileges, open the terminal emulator, enter the command: Su, return is not "permission Deny" the second time the software obtained root permissions. 4 . Confirm that your real computer and PC a
Android checks whether the mobile network is available. android mobile phone
Add network status Permissions
Sample Code:
Public void checkNet (View v) {if (isNetworkConnected (this) {Toast. makeText (this, "network available", Toast. LENGTH_SHORT ). show ();} else {Toast. makeText (this, "Network unavailable", Toast. LENGTH_SHORT ). show () ;}// check the ne
Android mobile games released weapon spectrum, android mobile phone Spectrum
Collation
In the spring of 2013, as the company entered the mobile game publishing industry, it witnessed the entire industry boom, struggle, shuffling, and silence. From hundreds of games, hundreds of releases, to now hundreds of games, several releases. After a round of shuffling, mos
Android determines whether a mobile phone is connected to IOT platform. android is connected to IOT platform.
I wrote a function to determine whether the mobile phone is connected to the Internet. However, I found that everything works normally when the mobile phone is conne
How to obtain android mobile phone contacts and display them in letters (2): android contacts
The following describes how to categorize and display contacts with the same initials:
In the adapter implement SectionIndexer
In this way, the adapter must implement the following three interfaces:
@ Overridepublic Object [] getSections () {// collection of sections} @
1. How does the android coordinate system define the x and y z axes?
The X axis direction is from left to right along the horizontal direction of the screen. If the mobile phone is not a square, the shorter side needs to be placed horizontally, and the longer side needs to be placed vertically.
The Y-axis direction is from the lower left corner of the screen along the vertical direction of the screen to t
-like (Unix-like) system. While Windows Phone continued in the 7.0 and 7.5 era, Microsoft's own embedded operating system--windows CE (Compact Edition) was adopted by Windows Mobile, although on mango and tango windows The Phone's slide performance is excellent, but some new features, such as multi-core processors, HD-level screens, and so on, are not supported, so Microsoft is using Windows Phone 8 directl
my mobile phone and the version is 3.0.7.
I also installed a re manager.
First, open the re manager. At this time, the Re manager Requests the root permission. The superuser will pop up a prompt asking whether the user permits
Before clicking "allow", select "remember" and then allow.
This step is used to obtain the data that should be inserted in the superuser database when the application obtains permanent root permission.
Then we export the databa
Phone Dialer Development steps:1. Add the call permissions in the manifest file2. Call the core codeCreate a new Intent object Intent Intent_call = new Intent ();Add an action intent_call.setaction (Intent.action_call) for the intent object;Add Data Intent_call.setdata (Uri.parse ("Tel:" + phone number) for the intended object; Execution Intent StartActivity (Intent_call);
Android activation key failure to start the mobile phone solution, android SolutionProblem description
The Android phone's key is damaged and cannot be started.
Solution
Connect your mobile phone to your computer through USB cable, go to the command line, find the d
Motion sensors are useful for monitoring the movement of devices, such as tilt, vibration, rotation, and swing, which are the monitoring ranges of motion sensors. The movement of a device is usually a direct response to user input.All motion sensors return a value of three floating-point numbers, and for different sensors, the three values have different meanings. For example, for an accelerometer, the acceleration data for three axes is returned. For a gyroscope sensor, the rotational angular v
According to a latest report from mobile phone retailers in the UK, Android sales andWindows Phone 7The ratio is 15:1. This result indicates that Windows Phone 7 may be in trouble. Microsoft launched Windows Phone 7 in the North American market in November 8 and is considere
BKJIA headlines: similar to Android mobile apps, Windows Phone 7WP7) apps are also written in hosting languages. Android uses Java and Windows Phone 7 uses C #, each of them provides a wide range of development libraries. Many differences between Java and C # are related to styles, which are closely related to C/C ++,
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