android-activity

问题 Hey guys i am getting to start an intent if a user clicks on specific location.at first touch he opens a menu and on second he opens the activity.The problem is that many copy's of same intent are started import android.app.Activity; import android.content.Context; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.Paint.Align

问题 Hey guys i am getting to start an intent if a user clicks on specific location.at first touch he opens a menu and on second he opens the activity.The problem is that many copy's of same intent are started import android.app.Activity; import android.content.Context; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.Paint.Align

问题 I'm developing an Video and Voice chat app. What I need to do is to show some incoming call activity when an user try to call another user. I'm already using Firebase Cloud Message to send push message warning the device that there is a call request. But I'm facing a hard time trying to wake up the device and show in front of the lock screen the incoming call, so the user can accept or decline the call. What I'm looking for is something like what Whats App does when you call some one. Showing

问题 I'm developing an Video and Voice chat app. What I need to do is to show some incoming call activity when an user try to call another user. I'm already using Firebase Cloud Message to send push message warning the device that there is a call request. But I'm facing a hard time trying to wake up the device and show in front of the lock screen the incoming call, so the user can accept or decline the call. What I'm looking for is something like what Whats App does when you call some one. Showing

问题 I have found non rooted apps which are capable of hide home button from bottom system bar of tabs (not all the devices but many of samsung tabs) & disabling (not hiding) right side wifi, settings entering panel in system bar (worked in all the testing devices). Good example is remote lock screen of Lookout premium app with BIND_DEVICE_ADMIN permission. This lock screen appears on top of the native android lock screen it has these features work in many devices. Is there a way to create an

问题 I have a simple Activity to preview a video in FullScreen. The layout of the Activity is: <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@color/black" android:fillViewport="true"> <VideoView android:id="@+id/video" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout

问题 I am a beginner about android. For the past 6 months, I have been using the following code to display the layout in listview , fragment and add custom header. (ViewGroup) inflater.inflate(layout,view, false); LayoutInflater.from(getActivity()).inflate(layout, null); But i do not understand the functionality, and what it describes, and how it is working. Please kindly explain those if you know. Sorry for my bad English. 回答1: I will strongly recommend reading this article Layout inflation as

问题 I am a beginner in programming with Java Android. I am currently confused with how to start an activity in Android 2.1. My current project requires a lot of different activities to work together in one program. Let's say I have a button inside the main.xml and assume the function inside ButtonAdroid.class is the one below: public class ButtonAndroid extends Activity { public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); final

问题 I am adding some extra stuff in my cordova project's Main activity class (overriding some functions like onResume) but cordova remove them after every cordovaBuild. What should I do to prevent this behaviuor? 回答1: Sorry I have no time right now to elaborate. If you don't know how to do plugins, the easyest is to go with hooks. Basically hooks are scripts you can add between each step of cordova cli. so you would add a script in projecthome/.cordova/hooks/before_prepare to save your java file

问题 I'm new to java and would like to know how to do an activity run along with a service in the background. So that when the activity is closed and reopened it continues along with the service. I do not know how to explain it. Suppose 3 services where each one is executed every hour. Service 1... 1 hour ... Service 2 ... 1 hour ... Service 3. Finished. And each time it is executed a textview is set visible in the activity. However when the activity is closed the textviews are not created. The