1.增加MD5加密

2.增加dp和px之间的互转
3.增加toast的扩展

Author: Tao

utils/src/main/java/com/catchpig/utils/ext/CommonExt.kt

@@ -0,0 +1,28 @@
+package com.catchpig.utils.ext
+
+import android.content.Context
+import android.view.View
+
+/**
+ *
+ * @author TLi2
+ **/
+fun Context.dp2px(dp: Int): Int {
+    val scale = resources.displayMetrics.density
+    return (dp * scale + 0.5f).toInt()
+}
+
+fun Context.px2dp(px: Int): Int {
+    val scale = resources.displayMetrics.density
+    return (px / scale + 0.5f).toInt()
+}
+
+fun View.dp2px(dp: Int): Int {
+    val scale = resources.displayMetrics.density
+    return (dp * scale + 0.5f).toInt()
+}
+
+fun View.px2dp(px: Int): Int {
+    val scale = resources.displayMetrics.density
+    return (px / scale + 0.5f).toInt()
+}

utils/src/main/java/com/catchpig/utils/ext/EncryptionExt.kt

@@ -0,0 +1,52 @@
+package com.catchpig.utils.ext
+
+import java.security.MessageDigest
+
+/**
+ *
+ * @author TLi2
+ **/
+
+/**
+ * md5加密
+ */
+fun String.md5():String{
+    val instance: MessageDigest = MessageDigest.getInstance("MD5")
+    //对字符串加密，返回字节数组
+    val digest:ByteArray = instance.digest(this.toByteArray())
+    var sb = StringBuffer()
+    for (b in digest) {
+        //获取低八位有效值
+        var i :Int = b.toInt() and 0xff
+        //将整数转化为16进制
+        var hexString = Integer.toHexString(i)
+        if (hexString.length < 2) {
+            //如果是一位的话，补0
+            hexString = "0" + hexString
+        }
+        sb.append(hexString)
+    }
+    return sb.toString()
+}
+
+/**
+ * md5加密
+ */
+fun ByteArray.md5():String{
+    val instance: MessageDigest = MessageDigest.getInstance("MD5")
+    //对字符串加密，返回字节数组
+    val digest:ByteArray = instance.digest(this)
+    var sb = StringBuffer()
+    for (b in digest) {
+        //获取低八位有效值
+        var i :Int = b.toInt() and 0xff
+        //将整数转化为16进制
+        var hexString = Integer.toHexString(i)
+        if (hexString.length < 2) {
+            //如果是一位的话，补0
+            hexString = "0" + hexString
+        }
+        sb.append(hexString)
+    }
+    return sb.toString()
+}

utils/src/main/java/com/catchpig/utils/ext/ToastExt.kt

@@ -3,6 +3,7 @@ package com.catchpig.utils.ext
 import android.content.Context
 import android.widget.Toast
 import androidx.annotation.StringRes
+import androidx.fragment.app.Fragment
 
 /**
  *
@@ -27,10 +28,42 @@ fun Context.longToast(@StringRes id: Int) {
     toast(id, Toast.LENGTH_LONG)
 }
 
+fun Fragment.toast(content: String){
+    this.activity?.toast(content)
+}
+
+fun Fragment.toast(@StringRes id:Int){
+    this.activity?.toast(id)
+}
+
+fun Fragment.longToast(content: String){
+    this.activity?.longToast(content)
+}
+
+fun Fragment.longToast(@StringRes id:Int){
+    this.activity?.longToast(id)
+}
+
 fun String.toast(context: Context){
     context.toast(this)
 }
 
 fun String.longToast(context: Context){
     context.longToast(this)
+}
+
+fun Any.longToast(context: Context,content: String){
+    content.longToast(context)
+}
+
+fun Any.longToast(context: Context,@StringRes id:Int){
+    context.longToast(id)
+}
+
+fun Any.toast(context: Context,content: String){
+    content.toast(context)
+}
+
+fun Any.toast(context: Context,@StringRes id:Int){
+    context.toast(id)
 }

utils/src/test/java/com/catchpig/utils/ExampleUnitTest.kt

@@ -1,5 +1,6 @@
 package com.catchpig.utils
 
+import com.catchpig.utils.ext.md5
 import org.junit.Test
 
 import org.junit.Assert.*
@@ -14,4 +15,8 @@ class ExampleUnitTest {
     fun addition_isCorrect() {
         assertEquals(4, 2 + 2)
     }
+    @Test
+    fun encryption(){
+        println("1".md5())
+    }
 }