Wayne的博客

public class DeviceUtils { private static Boolean mIsTablet; private static Boolean mIsSmallScreen; //如果设备是平板电脑 public static boolean isTablet(Context context) { if (mIsTablet

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1.有的时候我们要调用第三方APP。就需要查看用户是否安装了APP。 [java] view plain copy public boolean isAppInstalled(Context context, String packageName) {             final PackageManager packageManage

广播监听获取到电池的信息private BroadcastReceiver mBatteryReceiver = new BroadcastReceiver() { @Override public void onReceive(Context arg0, Intent arg1) { int voltage = arg1.getIntExtra(BatteryMa...

private long Current = 0; public void onBackPressed() { if (System.currentTimeMillis() - Current > 2000) { Current = System.currentTimeMillis(); Toast.makeText(th...

aes加密解密 import android.util.Base64; import javax.crypto.Cipher; import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.SecretKeySpec; /** * Date: 2019/4/1 * autor:Wayne */ publ...

DES加密解密 import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.OutputStream; import java.io.UnsupportedEncodingException; import java.security.Key; import javax.crypto.Cip...

//每6小时弹出請求网络策略 ScheduledExecutorService scheduledExecutorService = Executors.newScheduledThreadPool(1); scheduledExecutorService.scheduleAtFixedRate(new Runnable() { @Override public void ...