How to make a quick start the android emulator
Very very quick start of Android Emulator from Eclipse.
If will closed Android Emulator all data will saved on disk.
If will reopen Android Emulator, configuration and data will read from disk.
[caption id="attachment_768" align="alignleft" width="300" caption="android-emulator-enable-quick-start"]
[/caption]
- Go to Eclipse s menu Window -> Android SDK and AVD Manager
- Select Virtual devices
- Select check box Snapshot: Enabled
- Press Edit AVD button.
If will closed Android Emulator all data will saved on disk.
If will reopen Android Emulator, configuration and data will read from disk.
[caption id="attachment_768" align="alignleft" width="300" caption="android-emulator-enable-quick-start"]

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How add item to ArrayList, sort ArrayList, search find index of item in ArrayList, min(), max() Java basic example.
import java.util.ArrayList;
import java.util.Collections;
public class MainClass {
public static void main(String[] arg) {
String[] arrayOfString = {"nothing", "Hello", "people"
, "bye-bye", "hello", "world!", "End" };
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Eclipse update ADT 17 Android Emulator error: E/AndroidRuntime(370): java.lang.NoClassDefFoundError: com.google.ads.AdView
Solution:
-right click on the project in project tree and select Project properties
-select Java Build Path
-select TAB Order and Export
-check GoogleAdMobAdsSdk-4.0.4.jar (or your version SDK)
-press OK
-clean project by menu Project -> Clean
-rebuild project (Project - Build Automatically)
How add GoogleAdMobAdsSdk....jar to project:
-right click on the project in project tree and select Project properties
-select Java Build Path
-select TAB Libraries
-press the button Add External JARs...
-select your version GoogleAdMobAdsSdkXXX.jar what you can using
-OK
-OK
-clean project
-rebuild project

Solution:
-right click on the project in project tree and select Project properties
-select Java Build Path
-select TAB Order and Export
-check GoogleAdMobAdsSdk-4.0.4.jar (or your version SDK)
-press OK
-clean project by menu Project -> Clean
-rebuild project (Project - Build Automatically)
How add GoogleAdMobAdsSdk....jar to project:
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-select Java Build Path
-select TAB Libraries
-press the button Add External JARs...
-select your version GoogleAdMobAdsSdkXXX.jar what you can using
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-OK
-clean project
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import android.content.Context;
import android.media.AudioManager;
import android.media.SoundPool;
public class SoundManager
{
private SoundPool soundPool;
private int[] sm;
Context context;
public SoundManager(Context context) {
this.context = context;
soundPool = new SoundPool(4, AudioManager.STREAM_MUSIC, 0);
sm = new int[2];
// fill your sounds
sm[0] = soundPool.load(context, R.raw.my_sound1, 1);
sm[1] = soundPool.load(context, R.raw.my_sound2, 1);
}
public final void playSound(int sound) {
AudioManager mgr = (AudioManager)context.getSystemService(
Context.AUDIO_SERVICE);
float streamVolumeCurrent =
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float streamVolumeMax = mgr.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
float volume = streamVolumeCurrent / streamVolumeMax;
soundPool.play(sm[sound], volume, volume, 1, 0, 1f);
}
public final void cleanUpIfEnd() {
sm = null;
context = null;
soundPool.release();
soundPool = null;
}
}
If Android emulator freezes at startup, try create new virtual device with smaller memory and cpu usage, or select older version of Android, or buy new pc with higher performance.

- open AVD MANAGER
- press Create Virtual Device
- select Device with small memory usage (e.g. 480x800 of resolution) - Next
- check - Show downloadable ....
- Download - lower version of system Android, select, press - Next
- check data, Show Advanced Settings, check Use host... and press Finish

Editace: 2011-09-23 08:57:10
Počet článků v kategorii: 396
Url:how-to-make-a-quick-start-the-android-emulator