有时候在使用php上传安卓apk包的时候，我们需要获取安卓apk包内的信息，本文以实例形式讲述了php获取apk包信息的方法。具体实现方法如下：
以下是Apkparser类包，把以下代码复制出来保存为Apkparser.php就可以执行以上代码
0 ? $this->getStringTab($strOffset, $strListOffset) : array();
$this->styleTab = $this->styleCount > 0 ? $this->getStringTab($styOffset, $styListOffset) : array();
$o = $size;
break;
case self::RESOURCEIDS:
$count = $size / 4 - 2;
$this->resourceIDs = $this->get32array($o, $count);
break;
case self::START_NAMESPACE:
$o += 8;
$prefix = $this->get32($o);
$uri = $this->get32($o);
if (empty($this->cur_ns)){
$this->cur_ns = array();
$this->ns[] = &$this->cur_ns;
}
$this->cur_ns[$uri] = $prefix;
break;
case self::END_NAMESPACE:
$o += 8;
$prefix = $this->get32($o);
$uri = $this->get32($o);
if (empty($this->cur_ns)) break;
unset($this->cur_ns[$uri]);
break;
case self::START_TAG:
$line = $this->get32($o);
$o += 4;
$attrs = array();
$props = array(
'line' => $line,
'ns' => $this->getNameSpace($this->get32($o)),
'name' => $this->getString($this->get32($o)),
'flag' => $this->get32($o),
'count' => $this->get16($o),
'id' => $this->get16($o)-1,
'class' => $this->get16($o)-1,
'style' => $this->get16($o)-1,
'attrs' => &$attrs
);
$props['ns_name'] = $props['ns'].$props['name'];
for ($i=0; $i < $props['count']; $i++){
$a = array(
'ns' => $this->getNameSpace($this->get32($o)),
'name' => $this->getString($this->get32($o)),
'val_str' => $this->get32($o),
'val_type' => $this->get32($o),
'val_data' => $this->get32($o)
);
$a['ns_name'] = $a['ns'].$a['name'];
$a['val_type'] >>= 24;
$attrs[] = $a;
}
// 处理TAG字符串
$tag = "getAttributeValue($a).
'"';
}
$tag .= '>';
$props['tag'] = $tag;
unset($this->cur_ns);
$this->cur_ns = array();
$this->ns[] = &$this->cur_ns;
$left = -1;
break;
case self::END_TAG:
$line = $this->get32($o);
$o += 4;
$props = array(
'line' => $line,
'ns' => $this->getNameSpace($this->get32($o)),
'name' => $this->getString($this->get32($o))
);
$props['ns_name'] = $props['ns'].$props['name'];
$props['tag'] = "";
if (count($this->ns) > 1){
array_pop($this->ns);
unset($this->cur_ns);
$this->cur_ns = array_pop($this->ns);
$this->ns[] = &$this->cur_ns;
}
break;
case self::TEXT:
$o += 8;
$props = array(
'tag' => $this->getString($this->get32($o))
);
$o += 8;
break;
default:
throw new Exception('Block Type Error', 3);
break;
}
$this->skip($o);
$child = array();
while ($this->length > $left){
$c = $this->parseBlock();
if ($props && $c) $child[] = $c;
if ($left == -1 && $c['type'] == self::END_TAG){
$left = $this->length;
break;
}
}
if ($this->length != $left) throw new Exception('Block Overflow Error', 4);
if ($props){
$props['type'] = $type;
$props['size'] = $size;
$props['child'] = $child;
return $props;
}else {
return false;
}
}
private function getAttributeValue($a){
$type = &$a['val_type'];
$data = &$a['val_data'];
switch ($type){
case self::TYPE_STRING:
return $this->getString($a['val_str']);
case self::TYPE_ATTRIBUTE:
return sprintf('?%s%08X', self::_getPackage($data), $data);
case self::TYPE_REFERENCE:
return sprintf('@%s%08X', self::_getPackage($data), $data);
case self::TYPE_INT_HEX:
return sprintf('0x%08X', $data);
case self::TYPE_INT_BOOLEAN:
return ($data != 0 ? 'true' : 'false');
case self::TYPE_INT_COLOR_ARGB8:
case self::TYPE_INT_COLOR_RGB8:
case self::TYPE_INT_COLOR_ARGB4:
case self::TYPE_INT_COLOR_RGB4:
return sprintf('#%08X', $data);
case self::TYPE_DIMENSION:
return $this->_complexToFloat($data).self::$DIMENSION_UNITS[$data & self::UNIT_MASK];
case self::TYPE_FRACTION:
return $this->_complexToFloat($data).self::$FRACTION_UNITS[$data & self::UNIT_MASK];
case self::TYPE_FLOAT:
return $this->_int2float($data);
}
if ($type >=self::TYPE_INT_DEC && $type < self::TYPE_INT_COLOR_ARGB8){
return (string)$data;
}
return sprintf('', $data, $type);
}
private function _complexToFloat($data){
return (float)($data & 0xFFFFFF00) * self::$RADIX_MULTS[($data>>4) & 3];
}
private function _int2float($v) {
$x = ($v & ((1 31 | 1);
$exp = ($v >> 23 & 0xFF) - 127;
return $x * pow(2, $exp - 23);
}
private static function _getPackage($data){
return ($data >> 24 == 1) ? 'android:' : '';
}
private function getStringTab($base, $list){
$tab = array();
foreach ($list as $off){
$off += $base;
$len = $this->get16($off);
$mask = ($len >> 0x8) & 0xFF;
$len = $len & 0xFF;
if ($len == $mask){
if ($off + $len > $this->length) throw new Exception('String Table Overflow', 11);
$tab[] = substr($this->xml, $off, $len);
}else {
if ($off + $len * 2 > $this->length) throw new Exception('String Table Overflow', 11);
$str = substr($this->xml, $off, $len * 2);
$tab[] = mb_convert_encoding($str, 'UTF-8', 'UCS-2LE');
}
}
return $tab;
}
private function getString($id){
if ($id > -1 && $id < $this->stringCount){
return $this->stringTab[$id];
}else {
return '';
}
}
private function getNameSpace($uri){
for ($i=count($this->ns); $i > 0; ){
$ns = $this->ns[--$i];
if (isset($ns[$uri])){
$ns = $this->getString($ns[$uri]);
if (!empty($ns)) $ns .= ':';
return $ns;
}
}
return '';
}
private function get32(&$off){
$int = unpack('V', substr($this->xml, $off, 4));
$off += 4;
return array_shift($int);
}
private function get32array(&$off, $size){
if ($size xml, $off, 4 * $size));
if (count($arr) != $size) throw new Exception('Array Size Error', 10);
$off += 4 * $size;
return $arr;
}
private function get16(&$off){
$int = unpack('v', substr($this->xml, $off, 2));
$off += 2;
return array_shift($int);
}
private function skip($size){
$this->xml = substr($this->xml, $size);
$this->length -= $size;
}
}
//---------------------
//Apkparser类包结束
//---------------------
?>
感兴趣的朋友可以调试运行一下本文实例，相信会对大家的php程序开发带来一定的启发。