我希望我的代码在模拟器上运行时与在设备上运行时略有不同。(例如,使用10.0.2.2代替公共URL在开发服务器上自动运行。)检测Android应用程序何时在模拟器中运行的最佳方法是什么?
当前回答
安卓id不适合我,我现在用的是:
"google_sdk".equals( Build.PRODUCT );
其他回答
用下面的代码来判断你的应用是否使用了调试键?它没有检测模拟器,但它可能为您的目的工作?
public void onCreate Bundle b ) {
super.onCreate(savedInstanceState);
if ( signedWithDebugKey(this,this.getClass()) ) {
blah blah blah
}
blah
blah
blah
}
static final String DEBUGKEY =
"get the debug key from logcat after calling the function below once from the emulator";
public static boolean signedWithDebugKey(Context context, Class<?> cls)
{
boolean result = false;
try {
ComponentName comp = new ComponentName(context, cls);
PackageInfo pinfo = context.getPackageManager().getPackageInfo(comp.getPackageName(),PackageManager.GET_SIGNATURES);
Signature sigs[] = pinfo.signatures;
for ( int i = 0; i < sigs.length;i++)
Log.d(TAG,sigs[i].toCharsString());
if (DEBUGKEY.equals(sigs[0].toCharsString())) {
result = true;
Log.d(TAG,"package has been signed with the debug key");
} else {
Log.d(TAG,"package signed with a key other than the debug key");
}
} catch (android.content.pm.PackageManager.NameNotFoundException e) {
return false;
}
return result;
}
我只是寻找_sdk, _sdk_或sdk_,甚至只是sdk部分构建。产品:
if(Build.PRODUCT.matches(".*_?sdk_?.*")){
//-- emulator --
}else{
//-- other device --
}
所有答案都在一个方法中
static boolean checkEmulator()
{
try
{
String buildDetails = (Build.FINGERPRINT + Build.DEVICE + Build.MODEL + Build.BRAND + Build.PRODUCT + Build.MANUFACTURER + Build.HARDWARE).toLowerCase();
if (buildDetails.contains("generic")
|| buildDetails.contains("unknown")
|| buildDetails.contains("emulator")
|| buildDetails.contains("sdk")
|| buildDetails.contains("genymotion")
|| buildDetails.contains("x86") // this includes vbox86
|| buildDetails.contains("goldfish")
|| buildDetails.contains("test-keys"))
return true;
}
catch (Throwable t) {Logger.catchedError(t);}
try
{
TelephonyManager tm = (TelephonyManager) App.context.getSystemService(Context.TELEPHONY_SERVICE);
String non = tm.getNetworkOperatorName().toLowerCase();
if (non.equals("android"))
return true;
}
catch (Throwable t) {Logger.catchedError(t);}
try
{
if (new File ("/init.goldfish.rc").exists())
return true;
}
catch (Throwable t) {Logger.catchedError(t);}
return false;
}
使用这个函数:
public static final boolean isEmulator() {
int rating = 0;
if ((Build.PRODUCT.equals("sdk")) || (Build.PRODUCT.equals("google_sdk"))
|| (Build.PRODUCT.equals("sdk_x86")) || (Build.PRODUCT.equals("vbox86p"))) {
rating++;
}
if ((Build.MANUFACTURER.equals("unknown")) || (Build.MANUFACTURER.equals("Genymotion"))) {
rating++;
}
if ((Build.BRAND.equals("generic")) || (Build.BRAND.equals("generic_x86"))) {
rating++;
}
if ((Build.DEVICE.equals("generic")) || (Build.DEVICE.equals("generic_x86")) || (Build.DEVICE.equals("vbox86p"))) {
rating++;
}
if ((Build.MODEL.equals("sdk")) || (Build.MODEL.equals("google_sdk"))
|| (Build.MODEL.equals("Android SDK built for x86"))) {
rating++;
}
if ((Build.HARDWARE.equals("goldfish")) || (Build.HARDWARE.equals("vbox86"))) {
rating++;
}
if ((Build.FINGERPRINT.contains("generic/sdk/generic"))
|| (Build.FINGERPRINT.contains("generic_x86/sdk_x86/generic_x86"))
|| (Build.FINGERPRINT.contains("generic/google_sdk/generic"))
|| (Build.FINGERPRINT.contains("generic/vbox86p/vbox86p"))) {
rating++;
}
return rating > 4;
}
不知道是否有更好的方法来检测emu,但模拟器将在根目录下有init.金鱼.rc文件。
它是特定于模拟器的启动脚本,在非模拟器构建中不应该出现。
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