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Detect application heap size in Android
...w do you programmatically detect the application heap size available to an Android app?
9 Answers
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Android OnClickListener - identify a button
...ou can try the same but without listeners. On your button XML definition:
android:onClick="ButtonOnClick"
And in your code define the method ButtonOnClick:
public void ButtonOnClick(View v) {
switch (v.getId()) {
case R.id.button1:
doSomething1();
break;
case R.id...
How do I verify that an Android apk is signed with a release certificate?
How can I check that an Android apk is signed with a release and not debug cert?
5 Answers
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Android 4.3 Bluetooth Low Energy unstable
...sting on the Nexus 4). After getting started with the official BLE APIs in Android 4.3, I have noticed that after I connect a device for the first time I am rarely able to successfully connect to / communicate with that device or any other device again.
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Load image from url
... forget to add below permission in your manifest file
<uses-permission android:name="android.permission.INTERNET"/>
Works great for me. :)
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Get context of test project in Android junit test case
Does anyone know how can you get the context of the Test project in Android junit test case (extends AndroidTestCase).
9...
How to rotate portrait/landscape Android emulator? [duplicate]
I am new to Android development.
I know if you change a android phone from portrait to landscape sometimes the app relays its self out on the screen.. so how do I simulate rotating a phone with the emulator?
On the Blackberry emulators there's a button in the menu to turn the phone, but I can't f...
Android: Background Image Size (in Pixel) which Support All Devices
I am creating an Application which will run on all Android Devices. I want to create xhdpi Graphics for My App. My App is full screen. I am confused in Creating graphics. can any one tell me the best sizes of my background image in pixels.
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Need android.permission.BLUETOOTH_SCAN permission for android.content....
Need android.permission.BLUETOOTH_SCAN permission for android.content.AttributionSource@1fe6f5d:GattService registerScanner
引用: BluetoothLE 扩展尚未更新以支持 Android 12。作为一种解决方法，您可以将 BluetoothClient 组件添加到您的项目中（这将为项目添加...
Android Eclipse - Could not find *.apk
...t help you out:
Right-click your app project and go to Properties
Select Android from left-hand side list
Uncheck the "Is Library" checkbox
If your app project relies on library projects which are in your workspace, those of course need to have the "Is Library" box checked.
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