Android

When writing Android applications, you will often encounter read Garbled text. Here we will summarize the Garbled text related issues:First, I used the Eclipse integrated development environment. when the java file contains Chinese characters,

In the original Activity, use this. startActivityForResult (intent, 1); the first parameter is the Intent object, which contains the information of the Activity to be reached, and the second parameter is requestCode. This value can be obtained when

SYNTAX (SYNTAX ): Android: label = "string resource"Android: priority = "integer">... Included IN (contained in ): Required elements (must contain ): Can contain ): DESCRIPTION ): This element is used to specify the type of Intent object that

SYNTAX (SYNTAX ): Android: icon = "drawable resource"Android: label = "string resource"Android: name = "string"Android: permissionGroup = "string"Android: protectionLevel = ["normal" | "dangerous" |"Signature" | "signatureOrSystem"]/> Included IN

1. Zoom /*** Zoom bitmap to certain size** @ Param bitmap* @ Param width* @ Param height* @ Return*/Public static Bitmap zoomBitmap (Bitmap bitmap, int width, int height ){If (bitmap = null ){Return null;} Int w = bitmap. getWidth ();Int h = bitmap.

In fact, the steps for sending text messages are the same as those for calling.Step 1: Page1. res/layout/main. xml fileAndroid: layout_width = "fill_parent"Android: layout_height = "wrap_content"Android: text = "@ string/user"/>Android: id = "@ + id/

When creating an android project, the default UI layout is LinearLayout (linear layout). To display TextView side by side, we can use TableLayout (table layout ). Android. widget. TableLayout is a "typographical category" that can cut the screen

Let's talk about SurfaceView: (1) Definition:Image data can be obtained directly from hardware interfaces such as memory or DMA, which is a very important drawing container.It features: it can be drawn to the screen outside the main thread. In this

SurfaceView has recently been exposed to many unfamiliar users. With the help of Bolg, we have grown a lot. Make a summary and make progress together I. First, let's talk about the View class and SurfaceView class. (1) View class: The View class is

ClipDrawable is a pretty nice image Drawable, which is easy to operate. The following describes the Code through examples. main. xml file content: Android: layout_width = "fill_parent"Android: layout_height = "fill_parent"Android: orientation =

In some Android applications, you sometimes need to use an extended image as the background. The method is to use NinePatch. The following is an example of using a NinePatch image to set the background for a Button to implement an image Button that

1. inheritance relationship Java. lang. Object |__ Android. app. Fragment Implementation interface: ComponentCallbacks2 View. OnCreateContextMenuListener Introduced version: API Level 11 Subclass: DialogFragment, ListFragment, PreferenceFragment,

Main. xml Android: id = "@ + id/arc_hf_search_result"Android: layout_width = "match_parent"Android: layout_height = "match_parent"> Android: id = "@ + id/arc_hf_search_item"Android: layout_width = "fill_parent"Android: layout_height =

I recently watched the playback latency problem in Android. After reading the code, I found that the latency function in the AudioTrack class has the following comments: [Cpp]/* Returns this track's latency in milliseconds.* This operator des the

Method 1: Scale by fixed proportion When developing image browsers and other software, it is often necessary to display the thumbnail of an image. In general, we need to take a thumbnail of the image according to a fixed size, generally, the

By using the element in Intent-Filter, activities can be grouped. Assume that the element is added to AndroidManifest. xml: Package = "net. learn2develop. Intents"Android: versionCode = "1"Android: versionName = "1.0" type = "codeph" text =

You can use AbsoluteLayout to specify the exact position of the Child View. Observe the following code in main. xml:  Android: layout_width = "fill_parent" Android: layout_height = "fill_parent"> Android: layout_width = "188dp" Android:

Color theme is the beautification package of emacs.: Http://www.nongnu.org/color-theme/Linux configuration method: copy the color-theme.el and themes folder in the compressed package to a folder, my is ~ /. Emacs. dAnd then open the configuration

Sdcard access permissions:[Java]1. [Java]1. btn. setOnClickListener (new View. OnClickListener (){2.3.4. @ Override5. public void onClick (View v ){6. if (Environment. getExternalStorageState (). equals (Environment. MEDIA_MOUNTED )){7. // get the

Some bugs are being modified recently. If you think of them, you can sort out common errors so that you can quickly find out the cause of the error more quickly next time and provide solutions for those who encounter the same problem. I will