增加离线地图下载流程

app/src/main/java/com/navinfo/omqs/ui/widget/MyProgressBar.kt

@@ -0,0 +1,64 @@
+package com.navinfo.omqs.ui.widget
+
+import android.content.Context
+import android.graphics.Canvas
+import android.graphics.Color
+import android.graphics.Paint
+import android.graphics.Rect
+import android.opengl.ETC1.getHeight
+import android.opengl.ETC1.getWidth
+import android.util.AttributeSet
+import android.widget.ProgressBar
+
+
+/**
+ * 带文字提示的进度条
+ */
+class MyProgressBar : ProgressBar {
+    private lateinit var mPaint: Paint
+    private var text: String = ""
+    private var rate = 0f
+
+    constructor(context: Context?, attrs: AttributeSet?) : super(context, attrs) {
+        initView()
+    }
+
+    constructor(context: Context?) : super(context) {
+        initView()
+    }
+
+    private fun initView() {
+        mPaint = Paint()
+        mPaint.isAntiAlias = true
+        mPaint.color = Color.BLUE
+    }
+
+    @Synchronized
+    override fun setProgress(progress: Int) {
+        setText(progress)
+        super.setProgress(progress)
+    }
+
+    private fun setText(progress: Int) {
+        rate = progress * 1.0f / this.getMax()
+        val i = (rate * 100).toInt()
+        text = "$i%"
+    }
+
+    @Synchronized
+    override fun onDraw(canvas: Canvas) {
+        super.onDraw(canvas)
+        val rect = Rect()
+        mPaint.getTextBounds(text, 0, text.length, rect)
+        // int x = (getWidth()/2) - rect.centerX();
+        // int y = (getHeight()/2) - rect.centerY();
+        var x = (width * rate).toInt()
+        if (x == width) {
+            // 如果为百分之百则在左边绘制。
+            x = width - rect.right
+        }
+        val y: Int = 0 - rect.top
+        mPaint.textSize = 22f
+        canvas.drawText(text, x.toFloat(), y.toFloat(), mPaint)
+    }
+}