之前做了太多东西都没有总结下来,导致用起来的时候一时懵,所以在此总结一下,持续更新。。。
每次打开activity弹出输入框。
解决方法:android:windowSoftInputMode=”adjustPan|stateHidden”
获取手机ip地址
WifiManager wifi = (WifiManager) getSystemService(WIFI_SERVICE);
WifiInfo info = wifi.getConnectionInfo();
LogUtil.log(TAG,"addr = " + intToIp(info.getIpAddress()));
private String intToIp(int paramInt){
return (paramInt & 0xFF) + "." + (0xFF & paramInt >> 8) + "." + (0xFF & paramInt >> 16) + "."
+ (0xFF & paramInt >> 24);
}
uri与bitmap互转
1、bitmap to uri
Uri uri = Uri.parse(MediaStore.Images.Media.insertImage(getContentResolver(), bitmap, null,null));
2、uri to bitmap
Bitmap bitmap = BitmapFactory.decodeStream(context.getContentResolver().openInputStream(uri));