大约有 7,800 项符合查询结果（耗时：0.0328秒） [XML]
“Invalid signature file” when attempting to run a .jar
My java program is packaged in a jar file and makes use of an external jar library, bouncy castle . My code compiles fine, but running the jar leads to the following error:
...
Android - set TextView TextStyle programmatically?
...oid:layout_height="wrap_content
android:text="FOO" />
And in the java code of your Activity you do this:
TextView textViewTitle = (TextView) findViewById(R.id.text_view_title);
textViewTitle.setTextAppearance(this, R.style.RedHUGEText);
It worked for me! And it applied color, size, grav...
hadoop No FileSystem for scheme: file
...nt to declare (This is called a Service Provider Interface implemented via java.util.ServiceLoader, see org.apache.hadoop.FileSystem#loadFileSystems).
When we use maven-assembly-plugin, it merges all our JARs into one, and all META-INFO/services/org.apache.hadoop.fs.FileSystem overwrite each-other....
Can't Find Theme.AppCompat.Light for New Android ActionBar Support
...ion.
Added APL as a build dependency for MP:
Going into "Properties > Java Build Path" of MP, and then
Selecting the "Projects" tab and adding APL.
In the properties of MP, under "Android", added a reference to APL under library.
1 and 2 got the references to Java classes working fine...howe...
Why aren't variables declared in “try” in scope in “catch” or “finally”?
In C# and in Java (and possibly other languages as well), variables declared in a "try" block are not in scope in the corresponding "catch" or "finally" blocks. For example, the following code does not compile:
...
How to get unique values in an array
...y? Do I always have to use a second array or is there something similar to java's hashmap in JavaScript?
25 Answers
...
Get Maven artifact version at runtime
...ly this doesn't work if the project is run from Eclipse or using "mvn exec:java".
– Jaan
Mar 20 '14 at 8:26
|
show 4 more comments
...
What is the simplest and most robust way to get the user's current location on Android?
....getLocation(this, locationResult);
And here's MyLocation class:
import java.util.Timer;
import java.util.TimerTask;
import android.content.Context;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
publ...
How to manage startActivityForResult on Android?
...emental answer. See my fuller answer for more explanation.
MainActivity.java
public class MainActivity extends AppCompatActivity {
// Add a different request code for every activity you are starting from here
private static final int SECOND_ACTIVITY_REQUEST_CODE = 0;
@Override
...
Understanding colors on Android (six characters)
...
Going off the answer from @BlondeFurious, here is some Java code to get each hexadecimal value from 100% to 0% alpha:
for (double i = 1; i >= 0; i -= 0.01) {
i = Math.round(i * 100) / 100.0d;
int alpha = (int) Math.round(i * 255);
String hex = Integer.toHexString(...