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Display the current time and date in an Android application
How do I display the current date and time in an Android application?
23 Answers
23
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How to Add Stacktrace or debug Option when Building Android Studio Project
...le command line flags from
File > Settings > Compiler (Gradle-based Android Project)
For MacOS user, it's here
Android Studio > Preferences > Build, Execution, Deployment > Compiler
like this (add --stacktrace or --debug)
(Note that the screenshot is from before 0.8.10, the ...
dpi value of default “large”, “medium” and “small” text views android
...
See in the android sdk directory.
In \platforms\android-X\data\res\values\themes.xml:
<item name="textAppearanceLarge">@android:style/TextAppearance.Large</item>
<item name="textAppearanceMedium">@android:sty...
Android Min SDK Version vs. Target SDK Version
When it comes to developing applications for Android, what is the difference between Min and Target SDK version? Eclipse won't let me create a new project unless Min and Target versions are the same!
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Android canvas draw rectangle
...h 0 and the desired fill colour(s).
For example:
DrawView.java
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.view.View;
public class DrawView extends View {
Paint paint = new Paint();
public...
EditText, clear focus on touch outside
...
If a view want to receive focus, it must satisfy these 3 conditions.
See android.view :
public boolean onTouchEvent(MotionEvent event) {
...
if (((viewFlags & CLICKABLE) == CLICKABLE ||
(viewFlags & LONG_CLICKABLE) == LONG_CLICKABLE)) {
...
if (isFocusable...
Remove/hide a preference from the screen
...PreferenceCategory, you have to do this:
XML:
<PreferenceCategory
android:key="category_foo"
android:title="foo">
<CheckBoxPreference
android:key="checkPref" />
Java:
CheckBoxPreference mCheckBoxPref = (CheckBoxPreference) findPreference("checkPref");
Preference...
Alarm 闹钟扩展 · App Inventor 2 中文网
...1-06-12)
- AlarmIntent 中的 FlagNewTask 属性未正确设置。从Android 10开始，此标志必须设置为 true 才能从闹钟启动新活动- AlarmIntent 中的 FlagNewTask 属性默认值更改为 true- 方法 CreateAlarm... 中的 WakeUp 参数未正确评估
2.2 (202...
“R cannot be resolved to a variable”? [duplicate]
...follow the following links:
Here is the best way to solve this problem: [Android Development- Where is my R.Java file?][2]
R.java not regenerating
R cannot be resolved - Android error
R cannot be resolved to a variable
R cannot be resolved to a variable -- mailing list entry
Fixed: R cannot be res...
Change project name on Android Studio
...t to change the name of my project and module. But if I try to rename them Android Studio notify me some errors...
e.g. I want to change the name from "MyApplication" to "AndroidApp" as shown in the image below.
In the first rectangle I want to change it in:
...