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- 把assets文件复制手机储存中
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- try
# S r) Z6 [. S# r+ z - {
" v5 [7 I9 c- Q7 O5 O- q% j& k: { - unzip(getAssets().open("d.zip"), "sd路径");
3 N$ f8 p3 z# K7 [8 k' U - }
0 T9 f. X! C5 ?7 @2 g3 R - catch (IOException e); w; G5 k4 j, e$ y$ _4 q
- {}. K4 U x3 b u3 A& e
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- public static void unzip (InputStream is, String dir) throws IOException : b& R/ g3 l3 Q. `; G' n" Z/ s
- { ' x8 {. }0 T4 ? q3 I
- File dest = new File(dir); 4 |" {6 L Z7 n" g
- if ( !dest.isDirectory())
0 C+ \( f2 {) Z - throw new IOException("Invalid Unzip destination " + dest); - ~" ?$ i( o' @
- - n% P3 l, s6 d, Y$ ~
- if(null == is){ % }/ n c' o" Y1 w0 D! S
- throw new IOException("InputStream is null"); 6 s2 ?* H3 N- [, s
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- 5 r' O& q4 t; g5 d
- ZipInputStream zip = new ZipInputStream(is); ) ? x' a. X4 r' y; @
+ C- \' ]. A h$ D" {- ZipEntry ze; : {" k' _3 R$ n& F
- 0 k2 h; W5 w3 G7 {, c7 n+ S
- while ( (ze = zip.getNextEntry()) != null ) { . w, H* `& V$ t8 \4 {9 H
- final String path = dest.getAbsolutePath() ! J, _ A/ @* s, @4 v* M7 W U
- + File.separator + ze.getName();
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- // Create any entry folders 4 Y7 y* a; T( U+ N! h; c
- String zeName = ze.getName();
3 F- i1 |+ W% w$ z! O- L' U% _ - char cTail = zeName.charAt(zeName.length() - 1);
7 d1 O( u$ Y/ A6 V' l - if ( cTail == File.separatorChar)
5 [% Q4 A: i+ O9 ]! m3 [8 n - { 3 d$ K' K }* j- p) l1 K! `
- File file = new File(path); ) K- K( X( `& E% a& f
- if(!file.exists()){ % }0 v1 {/ \6 s
- if ( !file.mkdirs() ){ 1 z$ o) u( L) {4 F l
- throw new IOException("Unable to create folder " + file);
% O% x6 c8 t. G( G9 y - }
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1 {3 C6 Y9 t$ ]6 ?* [" A9 z' Z2 B - continue;
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3 L& q0 R5 i. u3 m# j% ~1 M, a2 R- FileOutputStream fout = new FileOutputStream(path); 3 M( ?1 B7 s, \2 r0 D- L
- byte[] bytes = new byte[1024]; 5 @$ p4 d- i/ Y8 z, A: N. I! m- B
- int c;
( R! i. ~4 e! `+ d( a9 j - while((c = zip.read(bytes)) != -1){
) j. |( B9 l. d9 v% N$ S, }! g - fout.write(bytes,0, c); 3 }# k( i( o$ {+ K, `
- } 0 v. a( O" x9 n; i) Y
; P+ ? H' G. `- zip.closeEntry(); " K C& x- p( ]; h
- fout.close();
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