diff --git a/slf4j-android/src/main/java/org/slf4j/impl/AndroidLogger.java b/slf4j-android/src/main/java/org/slf4j/impl/AndroidLogger.java
index 19a8d79..7623acd 100755
--- a/slf4j-android/src/main/java/org/slf4j/impl/AndroidLogger.java
+++ b/slf4j-android/src/main/java/org/slf4j/impl/AndroidLogger.java
@@ -82,19 +82,28 @@ public class AndroidLogger extends MarkerIgnoringBase
 	/* @see org.slf4j.Logger#trace(java.lang.String, java.lang.Object) */
 	public void trace(final String format, final Object param1)
 	{
-		Log.v(name, format(format, param1, null));
+        if (Log.isLoggable(name, Log.VERBOSE)) 
+		{
+			Log.v(name, format(format, param1, null));
+  		}
 	}
 
 	/* @see org.slf4j.Logger#trace(java.lang.String, java.lang.Object, java.lang.Object) */
 	public void trace(final String format, final Object param1, final Object param2)
 	{
-		Log.v(name, format(format, param1, param2));
+        if (Log.isLoggable(name, Log.VERBOSE)) 
+		{
+			Log.v(name, format(format, param1, param2));
+		}
 	}
 
 	/* @see org.slf4j.Logger#trace(java.lang.String, java.lang.Object[]) */
 	public void trace(final String format, final Object[] argArray)
 	{
-		Log.v(name, format(format, argArray));
+	    if (Log.isLoggable(name, Log.VERBOSE)) 
+		{
+			Log.v(name, format(format, argArray));
+		}
 	}
 
 	/* @see org.slf4j.Logger#trace(java.lang.String, java.lang.Throwable) */
@@ -118,19 +127,28 @@ public class AndroidLogger extends MarkerIgnoringBase
 	/* @see org.slf4j.Logger#debug(java.lang.String, java.lang.Object) */
 	public void debug(final String format, final Object arg1)
 	{
-		Log.d(name, format(format, arg1, null));
+		if (Log.isLoggable(name, Log.DEBUG)) 
+		{
+			Log.d(name, format(format, arg1, null));
+		}
 	}
 
 	/* @see org.slf4j.Logger#debug(java.lang.String, java.lang.Object, java.lang.Object) */
 	public void debug(final String format, final Object param1, final Object param2)
 	{
-		Log.d(name, format(format, param1, param2));
+		if (Log.isLoggable(name, Log.DEBUG)) 
+		{
+			Log.d(name, format(format, param1, param2));
+		}
 	}
 
 	/* @see org.slf4j.Logger#debug(java.lang.String, java.lang.Object[]) */
 	public void debug(final String format, final Object[] argArray)
 	{
-		Log.d(name, format(format, argArray));
+		if (Log.isLoggable(name, Log.DEBUG)) 
+		{
+			Log.d(name, format(format, argArray));
+		}
 	}
 
 	/* @see org.slf4j.Logger#debug(java.lang.String, java.lang.Throwable) */
@@ -154,19 +172,28 @@ public class AndroidLogger extends MarkerIgnoringBase
 	/* @see org.slf4j.Logger#info(java.lang.String, java.lang.Object) */
 	public void info(final String format, final Object arg)
 	{
-		Log.i(name, format(format, arg, null));
+		if (Log.isLoggable(name, Log.INFO)) 
+		{
+			Log.i(name, format(format, arg, null));
+		}
 	}
 
 	/* @see org.slf4j.Logger#info(java.lang.String, java.lang.Object, java.lang.Object) */
 	public void info(final String format, final Object arg1, final Object arg2)
 	{
-		Log.i(name, format(format, arg1, arg2));
+		if (Log.isLoggable(name, Log.INFO)) 
+		{
+			Log.i(name, format(format, arg1, arg2));
+		}
 	}
 
 	/* @see org.slf4j.Logger#info(java.lang.String, java.lang.Object[]) */
 	public void info(final String format, final Object[] argArray)
 	{
-		Log.i(name, format(format, argArray));
+		if (Log.isLoggable(name, Log.INFO)) 
+		{
+			Log.i(name, format(format, argArray));
+		}
 	}
 
 	/* @see org.slf4j.Logger#info(java.lang.String, java.lang.Throwable) */
@@ -190,7 +217,10 @@ public class AndroidLogger extends MarkerIgnoringBase
 	/* @see org.slf4j.Logger#warn(java.lang.String, java.lang.Object) */
 	public void warn(final String format, final Object arg)
 	{
-		Log.w(name, format(format, arg, null));
+		if (Log.isLoggable(name, Log.WARN)) 
+		{
+			Log.w(name, format(format, arg, null));
+		}
 	}
 
 	/* @see org.slf4j.Logger#warn(java.lang.String, java.lang.Object, java.lang.Object) */
@@ -202,7 +232,10 @@ public class AndroidLogger extends MarkerIgnoringBase
 	/* @see org.slf4j.Logger#warn(java.lang.String, java.lang.Object[]) */
 	public void warn(final String format, final Object[] argArray)
 	{
-		Log.w(name, format(format, argArray));
+		if (Log.isLoggable(name, Log.WARN)) 
+		{
+			Log.w(name, format(format, argArray));
+		}
 	}
 
 	/* @see org.slf4j.Logger#warn(java.lang.String, java.lang.Throwable) */
@@ -226,19 +259,28 @@ public class AndroidLogger extends MarkerIgnoringBase
 	/* @see org.slf4j.Logger#error(java.lang.String, java.lang.Object) */
 	public void error(final String format, final Object arg)
 	{
-		Log.e(name, format(format, arg, null));
+		if (Log.isLoggable(name, Log.ERROR)) 
+		{
+			Log.e(name, format(format, arg, null));
+		}
 	}
 
 	/* @see org.slf4j.Logger#error(java.lang.String, java.lang.Object, java.lang.Object) */
 	public void error(final String format, final Object arg1, final Object arg2)
 	{
-		Log.e(name, format(format, arg1, arg2));
+		if (Log.isLoggable(name, Log.ERROR)) 
+		{
+			Log.e(name, format(format, arg1, arg2));
+		}
 	}
 
 	/* @see org.slf4j.Logger#error(java.lang.String, java.lang.Object[]) */
 	public void error(final String format, final Object[] argArray)
 	{
-		Log.e(name, format(format, argArray));
+		if (Log.isLoggable(name, Log.ERROR)) 
+		{
+			Log.e(name, format(format, argArray));
+		}
 	}
 
 	/* @see org.slf4j.Logger#error(java.lang.String, java.lang.Throwable) */