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TextView and EditText of Android controlsTextView: Display text box controlEditText: Enter text boxCommon properties of TextView and EditTextCommon Properties for TextView controlsAndroid:id the ID of the controlAndroid:layout_width width of the controlAndroid:layout_height height of the controlAndroid:text text conten
If you want to listen to text messages received by yourself or others, and set the blacklist, you need the following functions to listen to text messages and handle prompts or responses:
When the system receives a text message, it sends a broadcast.Intent, Intent action nam
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Meta Mode Text messages can be sent in this way
Meta ModeUse Cases:
Gg sends at least one text message to mm every day, And before going to bed every day, there will be one text
1. accept the system of SMS broadcast, the operation of SMS content. Advantages: Easy to operate, suitable for simple SMS application.Cons: Letters will display notification information in the status bar.2. application Observer mode, listen to SMS database, operation of SMS content. Examples are as follows:Systemeventreceiver: After receiving the boot OK broadcast, start the Bootservice service, after receiving the application to send SMS intent, call
Class smsdbobserver extends contentobserver {Private context CTX;
Public smsdbobserver (handler, context CTX ){Super (handler );This. CTX = CTX;}
@ Suppresswarnings ("static-access ")Public void onchange (Boolean selfchange ){Super. onchange (selfchange );Try {// Prepare the URI address of the system SMS inboxUri uri = URI. parse ("content: // SMS/inbox ");// Query all text messages in the inboxCursor isrea
.3. After logging in, return to the happy synchronization page. By default, the "address book backup" function is enabled. Click "backup address book" to upload the existing address book of the fuselage to the cloud (server ). Click "recover address book" to restore the backup data on the server to the mobile phone. Data on the mobile phone and server will be compared during backup or recovery. Data without updates will not be backed up or restored.4. You can also b
1. Start Android emulator and check the title bar to find the port. Generally, it is Android emulator (5554), of which 5554 is the port.
2. Open the command line and enter Telnet localhost 5554. The program will be connected to the android emulator, And the console will return
Android Console: Type 'help' for a list of
============ Problem Description ============If you can, how do I turn the image into JSON format? It is best to have source code. Thank you============ Solution 1============Obviously, the picture and the voice byte data can be base64 when the string is emitted and assembled into JSON is possible.Just so the flow is too much, the general picture and voice are sent with a byte thin instruction is to use the TCP socket communication, without HTTP.============ Solution 2============
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