This example describes the intent usage in Android development. Share to everyone for your reference, specific as follows:
Android phone software development, intent as a mobile phone software development is very important objects need to arouse our attention, in fact, intent is also the embodiment of Android Developm
:
Serialization: Program Àobjectoutputstreamà Serialization ObjectDeserialization: Serialization of objects Àobjectinputstreamà programs
When serialized, the serialized version can be identified by Serialversionuid.
It is worth noting that serialization stores only the member variables of the object.
The ReadObject () method in ObjectInputStream can read objects.The WriteObject () method in ObjectOutputStream can write to an object.
For more information on
Android development-data storage I, android Data Storage
This chapter describes simple data storage in Android development. Knowledge is mainly involved in SharedPreferences and multi-page switching of ViewPager.1. Functional Requ
Android development-IntentService usage, what do you miss, androidservice usage
IntentService is a background service class provided by Android. We send request commands to IntentService through Intent in external components. Then, IntentService executes the commands in the command queue one by one and receives the fi
notified to stop the process with an error. Note that the process ends normally (successfully) and does not stop. The device simply remains in the final state after the event ends.
-- Monitor-native-crashesMonitors and reports crash events of local code in the Android system. If -- kill-process-after-error is set, the system stops running.
-- Wait-dbgStop the running Monkey until a debugger is connected to it.
Next, let's look at an instance.
Monkey
Usage of the Spinner in Android (usage of the drop-down list)
Step 2: Write the Spinner drop-down list
To write a Spinner:
1. Set the data source. Use List set to write2. Create an ArrayAdapter (array adapter)3. Set a drop-down list Style4. bind an adapter to a Spinner5. Set the listener OnItemSelectedListener ()Use t
"
Android: layout_height = "wrap_content"
Android: text = "@ string/message"
Android: textSize = "12px"
Android: textColor = "# ff0000"/>
4. Modify the inventory file automatically generated by the program. In AndroidManifest. xml, declare that the sub-class of the above AppWidgetProvider is a aggreger and:
(1) the int
the topThe code above indicates clicking the advertisement bar in the figure
The next section describes the built-in features in calabash-android.
In Android development, how does one use Intent?
There are too many Intent things to say. If you are a beginner, you only need to understand its explicit calls. For example, you need to jump from activity1 to activity2 and execute the following statement in ac
= "Wrong"; } }Else{Resoult= "Unexist"; }MapString, Object>Resoults= NewHashMapString, Object>(); Resoults.Put"Resoult", Resoult);returnResoults; }A Httppostutils tool class written on the Android side or Java side PackageCn.justwithme.withme.Utils;ImportJava.io.BufferedReader;ImportJava.io.IOException;ImportJava.io.InputStreamReader;ImportJava.io.PrintWriter;ImportJava.net.HttpURLConnection;ImportJava.net.MalformedURLException;ImportJava.net.UR
TIPS: Android source code usage experience sharing, android Experience SharingI believe that many beginners will find the Android development source code on the Internet as often as I do, but it is often annoying to be unable to run it! This problem occurs when collecting App code during sex development websites. I bel
This example describes the parcel usage in Android. Share to everyone for your reference, specific as follows:
The use of parcel in Android, a container for storing basic data types and reference data types, binds data between pr
This example describes the Android WebView component usage. Share to everyone for your reference, specific as follows:If you want WebView to be able to access the network, you must add permissions within Androidmanifest.xml
Main.xml is very simple, is a webview
Webviewdemoactivity.java Code:
Package COM.TIANJF;
Import android.app.Activity;
Import Android.os.Bundle;
Import
This example describes the usage of database transactions in Android development. Share to everyone for your reference, specific as follows:
In the development of Android applications, transaction processing is very important when using a database.
First, Android database operations (especially write operations) are
ends normally (successfully) and does not stop. The device simply remains in the final state after the event ends.
-- Monitor-native-crashesMonitors and reports crash events of local code in the Android system. If -- kill-process-after-error is set, the system stops running.
-- Wait-dbgStop the running monkey until a debugger is connected to it.
Next, let's look at an instance.
Monkey usage is $ ADB shell
("CurrentUser", user); Resoult= "Success"; }Else{Resoult= "Wrong"; } }Else{Resoult= "Unexist"; }MapString, Object>Resoults= NewHashMapString, Object>(); Resoults.Put"Resoult", Resoult);returnResoults; }A Httppostutils tool class written on the Android side or Java side PackageCn.justwithme.withme.Utils;ImportJava.io.BufferedReader;ImportJava.io.IOException;ImportJava.io.InputStreamReader;ImportJava.io.PrintWriter;ImportJava.net.HttpURLConnecti
indicates compiling a static library. The above three generation results are as follows, and the generic changes according to the specific target: out/target/product/generic/obj/executableout/target/product/generic/obj/static_libraryout/target/product/generic/obj/shared_library the target folders of each module are: executable program: xxx_intermediates static library: xxx_static_intermediates dynamic library: xxx_shared_intermediates in Android. in
For more information on Android-related content readers can view the site topics: "The basic components of Android Usage Summary", "Android View Overview", "Android Resource Operation tips Summary", "Android File Operation sk
This example describes the Baseadapter usage in Android. Share to everyone for your reference, specific as follows:
Overview:
The primary purpose of baseadapter is to upload a set of data to a UI display component such as ListView, Spinner, Gallery, and GridView, which is an inherited from interface class, for the basic dat
Android Notification usage (Lock Notification bar), android Notification bar
Recently, I have been researching android and using it. In this case, the program Notification must be resident in the Notification bar and cannot be cleared (just like android QQ. After research
features you want.In Android development, how does one use Intent?
There are too many Intent things to say. If you are a beginner, you only need to understand its explicit calls. For example, you need to jump from activity1 to activity2 and execute the following statement in activity1, you can jump to activity2, and do not forget to go to manifest. define activity2 in xml.Intent intent = new Intent (activity1.this, activity2.class );StartActivity (in
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