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/**
* Copyright 2011 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package com.jogamp.common.os;
import java.lang.reflect.Field;
import com.jogamp.common.os.Platform.ABIType;
import com.jogamp.common.os.Platform.CPUFamily;
import com.jogamp.common.os.Platform.CPUType;
import com.jogamp.common.util.IntObjectHashMap;
import com.jogamp.common.util.ReflectionUtil;
public class AndroidVersion {
public static final boolean isAvailable;
/** The name of the instruction set (CPU type + ABI convention) of native code. API-4. All lower case.*/
public static final String CPU_ABI;
public static final CPUType CPU_TYPE;
public static final ABIType ABI_TYPE;
/** The name of the second instruction set (CPU type + ABI convention) of native code. API-8. All lower case.*/
public static final String CPU_ABI2;
public static final CPUType CPU_TYPE2;
public static final ABIType ABI_TYPE2;
/** Development codename, or the string "REL" for official release */
public static final String CODENAME;
/** internal build value used by the underlying source control. */
public static final String INCREMENTAL;
/** official build version string */
public static final String RELEASE;
/** SDK Version number, key to VERSION_CODES */
public static final int SDK_INT;
/** SDK Version string */
public static final String SDK_NAME;
private static final String androidBuild = "android.os.Build";
private static final String androidBuildVersion = "android.os.Build$VERSION";
private static final String androidBuildVersionCodes = "android.os.Build$VERSION_CODES";
/**
* Returns {@link CPUType} for matching <code>cpuABI<code>,
* i.e. {@link #CPU_ABI} or {@link #CPU_ABI2},
* or <code>null</code> for no match.
* <p>
* FIXME: Where is a comprehensive list of known 'android.os.Build.CPU_ABI' and 'android.os.Build.CPU_ABI2' strings ?<br/>
* Fount this one: <code>http://www.kandroid.org/ndk/docs/CPU-ARCH-ABIS.html</code>
* <pre>
* lib/armeabi/libfoo.so
* lib/armeabi-v7a/libfoo.so
* lib/x86/libfoo.so
* lib/mips/libfoo.so
* </pre>
* </p>
*/
private static final CPUType getCPUTypeImpl(final String cpuABI) {
if( null == cpuABI ) {
return null;
} else if( cpuABI.equals("armv8-a") ||
cpuABI.equals("arm64-v8a") ) {
return CPUType.ARMv8_A;
} else if( cpuABI.equals("aarch64") ||
cpuABI.startsWith("arm64") ) {
return CPUType.ARM64;
} else if( cpuABI.equals("armeabi-v7a") ) {
return CPUType.ARMv7;
} else if( cpuABI.equals("armeabi") ||
cpuABI.startsWith("arm") ) { // last 32bit chance ..
return CPUType.ARM;
} else if( cpuABI.equals("x86") ) {
return CPUType.X86_32;
} else if( cpuABI.equals("mips") ) { // no 32bit vs 64bit identifier ?
return CPUType.MIPS_32;
} else {
return null;
}
}
private static final ABIType getABITypeImpl(final CPUType cpuType, final String cpuABI) {
if( null == cpuType || null == cpuABI ) {
return null;
} else if( CPUFamily.ARM != cpuType.family ) {
return ABIType.GENERIC_ABI;
} else if( CPUType.ARM64 == cpuType ||
CPUType.ARMv8_A == cpuType ) {
return ABIType.EABI_AARCH64;
}
return ABIType.EABI_GNU_ARMEL; // FIXME: How will they name ABIType.EABI_GNU_ARMHF
}
static {
final ClassLoader cl = AndroidVersion.class.getClassLoader();
Class<?> abClass = null;
Object abObject= null;
Class<?> abvClass = null;
Object abvObject= null;
Class<?> abvcClass = null;
Object abvcObject= null;
try {
abClass = ReflectionUtil.getClass(androidBuild, true, cl);
abObject = abClass.newInstance();
abvClass = ReflectionUtil.getClass(androidBuildVersion, true, cl);
abvObject = abvClass.newInstance();
abvcClass = ReflectionUtil.getClass(androidBuildVersionCodes, true, cl);
abvcObject = abvcClass.newInstance();
} catch (final Exception e) { /* n/a */ }
isAvailable = null != abObject && null != abvObject && null != abvcObject;
if(isAvailable) {
CPU_ABI = getString(abClass, abObject, "CPU_ABI", true);
CPU_ABI2 = getString(abClass, abObject, "CPU_ABI2", true);
CODENAME = getString(abvClass, abvObject, "CODENAME", false);
INCREMENTAL = getString(abvClass, abvObject, "INCREMENTAL", false);
RELEASE = getString(abvClass, abvObject, "RELEASE", false);
SDK_INT = getInt(abvClass, abvObject, "SDK_INT");
final IntObjectHashMap version_codes = getVersionCodes(abvcClass, abvcObject);
final String sdk_name = (String) version_codes.get(SDK_INT);
SDK_NAME = ( null != sdk_name ) ? sdk_name : "SDK_"+SDK_INT ;
} else {
CPU_ABI = null;
CPU_ABI2 = null;
CODENAME = null;
INCREMENTAL = null;
RELEASE = null;
SDK_INT = -1;
SDK_NAME = null;
}
CPU_TYPE = getCPUTypeImpl(CPU_ABI);
ABI_TYPE = getABITypeImpl(CPU_TYPE, CPU_ABI);
CPU_TYPE2 = getCPUTypeImpl(CPU_ABI2);
ABI_TYPE2 = getABITypeImpl(CPU_TYPE2, CPU_ABI2);
}
private static final IntObjectHashMap getVersionCodes(final Class<?> cls, final Object obj) {
final Field[] fields = cls.getFields();
final IntObjectHashMap map = new IntObjectHashMap( 3 * fields.length / 2, 0.75f );
for(int i=0; i<fields.length; i++) {
try {
final int version = fields[i].getInt(obj);
final String version_name = fields[i].getName();
// System.err.println(i+": "+version+": "+version_name);
map.put(new Integer(version), version_name);
} catch (final Exception e) { e.printStackTrace(); /* n/a */ }
}
return map;
}
private static final String getString(final Class<?> cls, final Object obj, final String name, final boolean lowerCase) {
try {
final Field f = cls.getField(name);
final String s = (String) f.get(obj);
if( lowerCase && null != s ) {
return s.toLowerCase();
} else {
return s;
}
} catch (final Exception e) { e.printStackTrace(); /* n/a */ }
return null;
}
private static final int getInt(final Class<?> cls, final Object obj, final String name) {
try {
final Field f = cls.getField(name);
return f.getInt(obj);
} catch (final Exception e) { e.printStackTrace(); /* n/a */ }
return -1;
}
// android.os.Build.VERSION
}
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