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Note: ThisProgramBased on froyo. The program contains some froyo built-in contacts source code. The project code is UTF-8, based on 2.2
Main content:
1. add, delete, modify, and query contacts:
Quickcontactbadge is used when all contacts are displayed;
When displaying the details of a contact, quickcontactbadge + checkbox (the pentagram) + listview is used.
You can set an avatar for editing and creating contacts, and add multiple types of ph
Windows window mode ):
Start the simulator (run/tools/emulator.exe In the SDK directory under the command line );
The simulator switches to the main screen (it is recommended that you do not install the program on the simulator when the program is running. You can press the Home Key to exit the application );
Enter the command to run the ADB Shell Command (enter the command mode of the simulator );
Enter the command CD/data/APP to enter the/data/APP directory );
En
1. The first is to delete the project method, simply to no friends! Accidentally found!First, on the Select Project page, move the mouse to project, and do not click! Press delete! directly on the keyboard Completed.........2. Recently, the tutor secretly outsourced a project, the project has to sweep QR code requirements, first contact, so go to Baidu .... Then found a project called Zxing, from github to
On the use of-recyclerview in the learning Path of Android developmentAndroid Development Learning Path-recyclerview's item custom animation and Defaultitemanimator source analysisAndroid Development Learning Path-dropdown refresh How do I do it?This article is followed by the above three after the introduction of Recyclerview, here to say two more, if you are still using the ListView, you can discard the ListView. Recyclerview automatically helps us
Has completely deleted red rice mobile phone/red rice 1s/red rice note/Red Rice 2 minimalism mode (old age mode) for exampleAlthough the APK is deleted, but the settings are also retained in the corresponding options, looking very upset, so to share a thorough deletion of the method!Set the framework required for decompile: framework-res.apk, framework-miui-res.apk, mediatek-res.apk must be importedAnti-compilation settings.apkRes\\xml\\settings_headers.xml search for "Oldman" code, then
Document directory
Solution:
Solution:
Http://my.oschina.net/haquanwen/blog/54394
Listview is a commonly used display control. The default background is the same transparent color as the system window. If a background image or background color is added to listview, The listview will be black when scrolling, because, during scrolling, when the view in the list is re-painted, the system still uses the default transparent color. The color value is # ff191919. to change this situation, you only n
Add and delete desktop icons and plug-ins on Android phones and set wallpapers
In order to make it easier for many people to choose their own commonly used applications on the mobile phone desktop. So how do you put the icon you want to use on the desktop? It's actually very simple.
Next we will teach you how to applyProgramOn the desktop, you can also delete
Android QQ messages are left slide to delete instances (SwipeListViewEX for optimization) and androidswipelayout
Sliding left to delete an item message instance like a QQ message
Source code reference: http://blog.csdn.net/gaolei1201/article/details/42677951
I made some adjustments myself, all the code:
Http://download.csdn.net/detail/jenson138/8490067
:
Only
First, Address Book introduction
The Address Book is an application of the Android phone, it is a contentprovider application, other applications can access the Address book, the contact person's crud operations.
Second, the Address book database structure introduction
First, we can find the Contacts2.db file in File Explorer view, which is the file in the Address Book.
Then, we open with SQLite, analyze its database structure: raw_contacts table:
d
1. Get the cursor position [java] int index = Edittext.getselectionstart (); int index = Edittext.getselectionstart (); 2. Insert character at cursor [java] int index = Edittext.getselectionstart (); Editable Editable = Edittext.gettext (); Editable.insert (Index, "AAAA"); int index = Edittext.getselectionstart (); Editable Editable = Edittext.gettext (); Editable.insert (Index, "AAAA"); 3. Remove the pre-cursor character [java] int index = Edittext.getselectionstart (); Editable Editable = Edit
to remove an element during the traversal of the list Correct Practice
publicclassListRemoveTest {
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publicstaticvoidmain(String[] args) {
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ListnewArrayList
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list.add(1);
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list.add(2);
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list.add(2);
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list.add(3);
1, in the JNI directory under the new directory prebuilt, in this directory, the new file Androidusc.mk (name Random), the third-party library. So copy to this directory2. Open androidusc.mk add content, such as third-party library is libscreenpop.so:Local_path: = $ (call My-dir) include $ (clear_vars) Local_module: = screenpoplocal_src_files: = Libscreenpop.soinclude $ ( Prebuilt_shared_library)3, modify the Android.mk file under the JNI directory, add a statement:Include $ (local_path)/prebuil
Mactiondownx and Mactiondowny, and then action_move the incident, we first have to judge, this judgment is two steps, the first step, judge this action_move event, The position of the current event CurX and Cury whether the distance recorded on the x axis and on the y-axis and Action_down has exceeded the Touch_slop value, which is the threshold that Android uses to determine if a slide should be made, and the second step, We want to further determin
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