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Android shielding Home button

public void onAttachedToWindow() { this.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD); super.onAttachedToWindow(); } Add this code in the activity can mask home, as to why, because the android system itself on the power button and home but

Android home screen button

In the activity, add the following code can shield home @Override public boolean onKeyDown(int keyCode, KeyEvent event) { // TODO Auto-generated method stub // Press the return button on the keyboard if (keyCode == KeyEvent.KEYCODE_HOME) { Log.i("TAG","ho

Source appears to modify the changes BadTokenException & Dialog 2.2 source code and inheritance & set resolution hdpi

Dialog interface to modify the color in general, the background elements like the main changes related to the resource file, there is no source code changes. It should be mentioned that increasing or replace a picture, here is to identify the use of

The WindowManager Android

We Android platform is composed of one after another of the Activity, and each has one or more Activity View composition. So, when we want to display an interface, we first thought was to create a Activity, and then all the operations which implement

MOTO702 Camera parameter settings on the camera issue on

Custom photo Android (HTC, MOTO702) Note: Camera I have been abstracted (factory) /* * Copyright (C) 2010 More Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * Yo

. Android's Window class default category

. Android's default classification 2011-01-19 13:33:32 Window class to read 514 comments 0 Font Size: medium and small subscription. Android's Window class (a) Android's GUI layer is not complicated. The complexity of such similar WGUI layout

Android's Window class

Android's Window class (a) Android's GUI layer is not complicated. The complexity of such similar WGUI layout and dialog-based GUI, and MFC, QT and other large frame are not comparable, or even the MiniGUI Feynman Wei Yongming than it is complex.

android mobile phone camera process

android camera API process 1. In the layout file to add a surfaceView (photography plane) 2. SurfaceView obtained according to Holder (holder) 3. To the fixed settings SurfaceHolder.Callback; the Callback method for a series of cycles, For example: surfac

Xiang Jie Android's Activity component Activity of the life cycle And J2ME, MIDlet, as in android in, Activity of the life cycle to the system under unified management. The difference is that with the

backlight there has been

1. 2.PowerManager pm = (PowerManager) getSystemService (Context.POWER_SERVICE); PowerManager.WakeLock wl = pm.newWakeLock (PowerManager.SCREEN_BRIGHT_WAKE_LOCK, "My Tag"); wl.acquire (); / / .. Screen will stay on during this section .. wl. ...

Dialog to change the background transparency of the

lp.alpha = 0.5f transparency in setting its value to be reasonable and their repeated tests Why should this technique because many people say: the pop-up Dialog with Animation will lead to darken the background which lead to slow performance can use ...

Android MediaController

android's mediaPlayer have built-in MediaControl. We are better than their own rewrite this control: A view containing controls for a MediaPlayer. Typically contains the buttons like "Play / Pause", "Rewind", "Fast Forward

Keep Screen On in Android

Solution 1: use PowerManager and WakeLock In AndroidManifest.xml: <uses-permission android:name="android.permission.WAKE_LOCK" /> In your Activity: PowerManager pm = (PowerManager) getSystemService (Context.POWER_SERVICE); PowerManager.Wak

The status bar title bar hidden

The status bar title bar hidden Hide the can maximize the viewing area, and the two regions represented by the different 1. Default interface, namely: for the sake of comparison, both of which show relatively 2. Hide the status bar, namely: at the to ...

android full screen

No title bar requestWindowFeature (Window.FEATURE_NO_TITLE); Must be placed setContentView (R.layout.main); in front of, or will complain. Full getWindow (). setFlags (WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN)

android development - small details of the Notes

Full-screen to the status bar Stream processing Get the screen width and height of <br /> Screen fixed if they had to configure the AndroidManifest.xml inside look on it. Add this line android: screenOrientation = "landscape". For exa ...

Android how to customize the view

Hi, titan: To the best of my knowledge, there are two ways to implement customized view. The first is using "WindowManager.LayoutParams" Ex as below, And the second is to define your customized view's class, see below: BR, Allen

Create a background out of windows

Window window = d.getWindow(); window.setFlags ( WindowManager.LayoutParams.FLAG_BLUR_BEHIND, WindowManager.LayoutParams.FLAG_BLUR_BEHIND );

Adjust screen brightness

WindowManager.LayoutParams lp = getWindow().getAttributes(); lp.screenBrightness = 1.0f; getWindow().setAttributes(lp);

Solution SurfaceView key and touch event can not get the problem

This week there is a demand need to develop a Aandroid platform development engine, aims to reduce the project from the J2ME platform ported to Android migration time, the best you can achieve the fastest time-consuming one to two days, or even a few ...

android development - note the small details

To the status bar in full screen Window window = getWindow(); window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); window.addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN); / Set no title bar requestWindowFeature(Window.FEATURE_NO_TITLE); /

Hide status bar title bar

Hide status bar title bar Hiding can maximize the viewing area, and the two regions represent different 1. Default interface that is: both are displayed for all to compare more 2. Hide the status bar that is: the top of the 3G network signal strength ...

backlight has always existed

1. 2.PowerManager pm = (PowerManager) getSystemService (Context.POWER_SERVICE); PowerManager.WakeLock wl = pm.newWakeLock (PowerManager.SCREEN_BRIGHT_WAKE_LOCK, "My Tag"); wl.acquire (); / / .. Screen will stay on during this section .. wl. ...

Dialog to change the background transparency

lp.alpha = 0.5f transparency and set its value to a reasonable test themselves repeatedly Why should this technique because many people said: Dialog pop-up will lead to darken the background which lead to slow performance with Animation can use this ...

Hide the title bar of the dynamic implementation

<? Xml version = "1.0" encoding = "utf-8"?> <LinearLayout xmlns: android = "" android: layout_width = "fill_parent" android: layout_height = "fill_parent& ...

Remove the title bar and the bar code system implementation and dynamic password

/ / Remove title bar this.requestWindowFeature (Window.FEATURE_NO_TITLE); / / Remove notification bar this.getWindow (). setFlags (WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); Xml realize of course, it is r ...

Activity for the full-screen setting

Two ways: First, the code set. public class FullScreen extends Activity ( @ Override public void onCreate (Bundle savedInstanceState) ( super.onCreate (savedInstanceState); requestWindowFeature (Window.FEATURE_NO_TITLE); getWindow (). setFlags (Windo ...

Screen brightness issues and determine whether there sdCard

Today I would like to exit in activity to the window to open over the brightness of about android.provider.Settings.System.putInt (getContentResolver (), android.provider.Settings.System.SCREEN_BRIGHTNESS, brightness); / / 0-255 WindowManager.LayoutParams

android Interface: Activity of the Title Set

1, change the subject content: public void setTitle ( CharSequence title) 2, Hide Title: requestWindowFeature (Window.FEATURE_NO_TITLE); 3, hide the title and the top bar battery and signal (full screen): 4 Custom Title: res \ layout \ custom_title_1.xml

Mode dialog box Dialog background to set the transparency & Dark degree method

Reprinted: Set the transparency (the transparency of its own looks like a dialog) alpha between the 0.0f to 1.0f. 1.0 is completely opaque, 0.0f fully transparent Set Dark degree dimAmount in between 0. ...

Mandatory keyboard and display - hope to have really helped me test machine Thank you

Other solutions 1.InputMethodManager imm = (InputMethodManager) getSystemService (Context.INPUT_METHOD_SERVICE); imm.toggleSoftInput (InputMethodManager.SHOW_FORCED, InputMethodManager.HIDE_IMPLICIT_ONLY); Or InputMethodManager imm = (InputMethodMana ...

[Forward] android Interface: Activity of the Title Set

android Interface: Activity of the Title Set Articles Category: Mobile Development 1, change the subject content: public void setTitle ( CharSequence title) 2, Hide Title: requestWindowFeature (Window.FEATURE_NO_TITLE); 3, hide the title and the top bar b

Two background lights

1.getWindow (). SetFlags (WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON, WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 2. PowerManager pm = (PowerManager) getSystemService (Context.POWER_SERVICE); wl = pm.newWakeLock (PowerManager.FULL_WAKE_LOCK, ...

Remove the Notification, remove titleBar

public class ActivityUtil { public static void noTitleBar(Activity activity){ activity.requestWindowFeature(Window.FEATURE_NO_TITLE); } public static void noNotificationBar(Activity activity){ final Window win = activity.getWindow(); win.setFlags(WindowMa

System, all the dialog, the default layout is centered display

if (SystemProperties.get ("EXTERNAL_STORAGE_VIRTUAL_STATE"). trim (). equals ("virtual") & & SystemProperties.get ("EXTERNAL_SD_STATE"). Trim (). Equals ("insert")) ( System, all the dialog, the default ...

Android permission class and English instructions

public final class Manifest { public static final class permission { /** Allows read/write access to the "properties" table in the checkin database, to change values that get uploaded. */ public static final String ACCESS_CHECKIN_PROPERTIES="android.permi

View class mapping using Android

Android View class is a superset of class that contains almost all the screen types, each View has a user-canvas painting. View class any methods to achieve as long as the override onDraw interface display. package com.Aina.Android; import

android programming skills

1. To make a picture transparent: Java code 1. Bitmap buffer = Bitmap.createBitmap (width, height, Bitmap.Config.ARGB_4444); buffer.eraseColor (Color.TRANSPARENT); 2. Direct mail: Java code 1. Intent intent = new Intent (Intent.ACTION_SENDTO, Uri. FromPar

Android remove the title, full-screen, access to state of the screen and keyboard direction

Android full-screen setup code If you develop games or a theme style very special applications may need to fill the screen in full-screen window in the Android code is very simple, divided into two steps, and a note points: requestWindowFeature (Window.FE

SurfaceView how to combine the Android UI

SurfaceView provide the canvas for drawing the direct access mechanism, in which to create Android UI is not feasible, but the game is often used Andoird UI, this will need to combine the two to good use. First need to explain the point, SurfaceView,

Current Activity screen brightness settings

Set the current Activity screen brightness, not the screen brightness set the system to exit the current Activity recovery system brightness. Well, look at the code directly WindowManager.LayoutParams lp = getWindow().getAttributes(); lp.screenBright

Activity of several full-screen mode Android

Method 1. AndroidManifest.xml file <activity> which together android:theme="@android:style/Theme.NoTitleBar.Fullscreen" Method 2. In your Activity onCreate method that is call public void setFullScreen() { requestWindowFeature(Window.FEATURE_NO

Android examples of common functions such as the IMEI number

Android screen display settings Program is of a silent display of title bar and system tray, sometimes it affect the program interface is very beautiful. The default is the vertical screen mobile phone, or status associated with the sensors, to a certain

Android full screen of the two methods

The first method, direct write the code inside. requestWindowFeature(Window.FEATURE_NO_TITLE); getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); Need to set before the method call in the setConte

the use of dither jitter

Today, do something about jitter results look good feel about the use, of course, sometimes not obvious, if you need to see significant results, then they should look at methods of image <?xml version="1.0" encoding="UTF-8"?> <bitmap xmlns:a

Android Common method

Hide title bar In Activity.setCurrentView (); call this method before requestWindowFeature (Window.FEATURE_NO_TITLE); Status bar hidden (Full Screen) In Activity.setCurrentView (); call this method before requestWindowFeature (Window.FEATURE_NO_TITLE

Size Android custom dialog

Android to do in the pop-up dialog box interface to allow users to input, often encountered in the beginning of the content of the dialog box without a little bit, looks very awkward, check the following information, you can modify the dialog to modi

Android Post pictures and data

Call camera private void imageClient(){ // // Hide title // this.requestWindowFeature(Window.FEATURE_NO_TITLE); // // // Set a full screen // getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); fil

android AlertDialog change the display position

AlertDialog dlg = new AlertDialog.Builder (this). Create (); //------------------------------------------------ ------------------- Window w = dlg.getWindow (); WindowManager.LayoutParams lp = w.getAttributes (); lp.x = 10; lp.y = 150; //------------

android API1.6 - 2.1 Change Summary

Android 2.1 API change summary: Live Wallpapers <br /> Dynamic Desktop API provides the following additional dynamic desktop you develop: • New android.service.wallpaper package. • New WallpaperInfo class. * Upgrade WallpaperManager . Additional not
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