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How to install mount SD card for Eclipse Android Emulator


If you want download some *.apk file from internet and try on your emulator you get error than you have to install SD card. You have to closing Android emulator.
Mount Android emulator SD card instruction

  1. In Eclipse go in menu Window - Android SDK and Avg Manager

  2. Select Virtual devices

  3. Select AVD Name where you need install SD card

  4. Click on Edit button

  5. In open dialog go to SD card - Size: and write 500

  6. Press button Edit AVD

  7. Run AVD emulator

Image how install SD card on Android emulator in Eclipse.

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at java.util.Arrays$ArrayList.get(Arrays.java:75) | at-java-util-arraysarraylist-getarrays-java75

Problem in Android application:

E/AndroidRuntime(416): FATAL EXCEPTION: main
E/AndroidRuntime(416): java.lang.IndexOutOfBoundsException
E/AndroidRuntime(416): 	at java.util.Arrays$ArrayList.get(Arrays.java:75)
E/AndroidRuntime(416): 	at android.widget.ArrayAdapter.getItem(ArrayAdapter.java:298)
E/AndroidRuntime(416): 	at android.widget.ArrayAdapter.createViewFromResource(ArrayAdapter.java:351)
E/AndroidRuntime(416): 	at android.widget.ArrayAdapter.getView(ArrayAdapter.java:323)
E/AndroidRuntime(416): 	at android.widget.Spinner.makeAndAddView(Spinner.java:192)
E/AndroidRuntime(416): 	at android.widget.Spinner.layout(Spinner.java:151)
E/AndroidRuntime(416): 	at android.widget.Spinner.onLayout(Spinner.java:115)

Solution: check code for set and get selection

// Spinner _spin1 contain only  49 items 
// you can set max 48 ( range 0 - 48)
// 50 is IndexOutOfBoundsException

Java pass variable as reference | java-pass-variable-as-reference

Integer, Float, String, List passed as reference in JAVA example source code:

// List passed as reference JAVA
List<Integer>list = new ArrayList<Integer>();

public void fc (List<Integer>listRef){
fc(list); // 7, 5 

// String passed as reference JAVA
	public void mutate(AtomicReference<Object> ref) { ref.set("Goodbye"); }

		AtomicReference<Object> ref = new AtomicReference<Object>("Hello");
		System.out.println(ref.get()); //Goodbye!
             String s = (String) ref.get();

// Integer passed as reference JAVA
	private static void mutate(AtomicReference<Object> ref) { ref.set(7); }

	//public static void main(String[] arg) {
		AtomicReference<Object> ref = new AtomicReference<Object>(5);
		System.out.println(ref.get()); // 7
int n = (Integer) ref.get();

// Float passed as reference JAVA
	private static void mutate(AtomicReference<Object> ref) { ref.set(14.8f); }

	//public static void main(String[] arg) {
		AtomicReference<Object> ref = new AtomicReference<Object>(12.1f);
		float f = (Float) ref.get();
		System.out.println(f); //14.8


No Launcher activity found Android Emulator Error | no-launcher-activity-found-android-emulator-error

Error: No Launcher activity found!
The launch will only sync the application package on the device!
Android emulator not showing the app
Check AndroidManifest.xml for MAIN and LAUNCHER. MyActivity.java is first Activity what will opened if .apk is installed.

<application android:label="@string/app_name" android:icon="@drawable/icon">
    <activity android:name="MyActivity"
            <action android:name="android.intent.action.MAIN" />
            <category android:name="android.intent.category.LAUNCHER" />

Who has higher priority build.gradle or AndroidManifest Android Studio | who-has-higher-priority-build-gradle-or-androidmanifest-android-studio

build.gradle in module have higher priority then AndrodiManifest.xml
Try this.
AndroidManifest.xml have code:

        android:targetSdkVersion="23" />

build.gradle have code:

   defaultConfig {
        applicationId "cz.okhelp.words"
        minSdkVersion 9
        targetSdkVersion 19
        versionCode 107
        versionName "1.0.7"

Warning in AndroidManifest.xml:
This targetSdkVersion value (23) is not used; it is always overridden by the value specified in the Gradle build script (19) less... (Ctrl+F1)
The value of (for example) minSdkVersion is only used if it is not specified in the build.gradle build scripts. When specified in the Gradle build scripts, the manifest value is ignored and can be misleading, so should be removed to avoid ambiguity.

Android Studio Delete Hide Module | android-studio-delete-hide-module

To hide a module File->Project Structure Ctrl+Alt+Shift+S
In left panel click on Module which want to hide.
Click on minus symbol (-) on upper left corner of window.
Click Yes.

To delete module from disk click on module in project tree (to select) and press Delete on keyboard.

Editace: 2014-02-15 20:48:42
Počet článků v kategorii: 397

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