Android 清除指定应用缓存
/**
* 清除指定应用缓存,即删除data/data/packageName/cache目录下文件
* @param mContext
* @param packageName
*/
public void clearCache(final Context mContext,final String packageName){
(new Thread(){
@Override
publicvoid run() {
try {
Context otherAppContext = mContext.createPackageContext(packageName, Context.CONTEXT_IGNORE_SECURITY);
File path = otherAppContext.getCacheDir();
if(path ==null)
return;
// #rm -r xxx 删除名字为xxx的文件夹及其里面的所有文件
String killer =" rm -r " + path.toString();
Process p = Runtime.getRuntime().exec("su");
DataOutputStream os =new DataOutputStream(p.getOutputStream());
os.writeBytes(killer.toString() +"\n");
os.writeBytes("exit\n");
os.flush();
} catch (NameNotFoundException e) {
//TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
//TODO Auto-generated catch block
e.printStackTrace();
}
}
}).start();
}