大约有 40,000 项符合查询结果（耗时：0.0379秒） [XML]
Getting activity from context in android
...
No
You can't
There are two different contexts in Android. One for your application (Let's call it the BIG one) and one for each view (let's call it the activity context).
A linearLayout is a view, so you have to call the activity context. To call it from an activity, simpl...
Remove the image from a imageview Android [duplicate]
...which supports setImageResource(0) on all devices.
– android developer
Apr 30 '18 at 11:28
add a comment
|
...
Android: Expand/collapse animation
... final int targetHeight = v.getMeasuredHeight();
// Older versions of android (pre API 21) cancel animations for views with a height of 0.
v.getLayoutParams().height = 1;
v.setVisibility(View.VISIBLE);
Animation a = new Animation()
{
@Override
protected void appl...
Set style for TextView programmatically
... content:
<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="This is a template"
style="@style/my_style" />
th...
getApplication() vs. getApplicationContext()
...c meaning, and may also be due to historical reasons.
Although in current Android Activity and Service implementations, getApplication() and getApplicationContext() return the same object, there is no guarantee that this will always be the case (for example, in a specific vendor implementation).
S...
Why do variable names often start with the letter 'm'? [duplicate]
Looking at the Android tutorials such as the Notepad tutorial , I noticed that almost all variables are named starting with the letter 'm'. What convention is this, and where does it originate from?
...
accepting HTTPS connections with self-signed certificates
...te Authority (CA) like Verisign , GlobalSIgn , etc., listed on the set of Android Trusted Certificates, I keep getting javax.net.ssl.SSLException: Not trusted server certificate .
...
Determining the current foreground application from a background task or service
... permission in activity menifest and works perfectly.
<uses-permission android:name="android.permission.GET_TASKS" />
share
|
improve this answer
|
follow
...
How to use SharedPreferences in Android to store, fetch and edit values [closed]
...SomeDate();
prefs.edit().putLong(dateTimeKey, dt.getTime()).apply();
The android sdk's sample directory contains an example of retrieving and storing shared preferences. Its located in the:
<android-sdk-home>/samples/android-<platformversion>/ApiDemos directory
Edit==>
I noticed...
“To Do” list before publishing Android app to market [closed]
I'm just about ready to publish my first app to the Android market, and I'd like to know if any of you have any tips about any experiences you may have encountered in regard to publishing an app that goes beyond the obvious and already documented.
...