清理缓存

try {
String s = CliearUyils.getdqSize(ShezhiActivity.this);
tv_size.setText(s);
} catch (Exception e) {
e.printStackTrace();
}
CliearUyils.clearAllCache(ShezhiActivity.this);

@Override
protected void onRestart() {
super.onRestart();

try {
String  s = CliearUyils.getdqSize(ShezhiActivity.this);
tv_size.setText(s);
} catch (Exception e) {
e.printStackTrace();
}
}