Add Loading screen and animation

app/build.gradle

@@ -2,7 +2,7 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 24
-    buildToolsVersion "25.0.0"
+    buildToolsVersion '26.0.2'
     defaultConfig {
         applicationId "com.dalimao.mytaxi"
         minSdkVersion 15

app/src/main/AndroidManifest.xml

@@ -8,7 +8,7 @@
         android:label="@string/app_name"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".MainActivity">
+        <activity android:name=".splash.SplashActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 

app/src/main/java/com/dalimao/mytaxi/splash/SplashActivity.java

@@ -0,0 +1,30 @@
+package com.dalimao.mytaxi.splash;
+
+import android.graphics.drawable.AnimatedVectorDrawable;
+import android.os.Build;
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.support.v7.app.AppCompatActivity;
+import android.widget.ImageView;
+
+import com.dalimao.mytaxi.R;
+
+/**
+ * Created by vigroid on 11/13/17.
+ */
+
+public class SplashActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_splash);
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP){
+            final AnimatedVectorDrawable anim =
+                    (AnimatedVectorDrawable) getResources().getDrawable(R.drawable.anim);
+            final ImageView logo = (ImageView) findViewById(R.id.logo);
+            logo.setImageDrawable(anim);
+            anim.start();
+        }
+    }
+}

app/src/main/res/animator/anim_bar_fill.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<objectAnimator
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:duration="1000"
+    android:propertyName="trimPathEnd"
+    android:repeatCount="0"
+    android:valueFrom="0"
+    android:valueTo="1"
+    android:valueType="floatType"/>

app/src/main/res/drawable/anim.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<animated-vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:drawable="@drawable/ic_logo">
+
+    <target
+        android:animation="@animator/anim_bar_fill"
+        android:name="logo"/>
+
+</animated-vector>

app/src/main/res/drawable/ic_logo.xml

@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="50dp"
+        android:height="72dp"
+        android:viewportWidth="50.0"
+        android:viewportHeight="72.0">
+    <path
+        android:name="logo"
+        android:strokeColor="#eb8b24"
+        android:strokeWidth="10"
+        android:pathData="M5,10,v50,L20,60,A1,1,0,0,0,20,15,L0,15" />
+</vector>

app/src/main/res/layout/activity_splash.xml

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/activity_main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    tools:context=".splash.SplashActivity">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:layout_centerInParent="true">
+
+        <ImageView
+            android:id="@+id/logo"
+            android:layout_width="72dp"
+            android:layout_height="72dp"
+            android:layout_gravity="center"
+            android:focusable="true"
+            android:src="@drawable/ic_logo"/>
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:text="@string/splash_message"
+            android:textSize="@dimen/text_size_small"
+            android:textColor="@color/text_gray"
+            android:layout_gravity="center_horizontal"/>
+    </LinearLayout>
+
+</RelativeLayout>

app/src/main/res/values/colors.xml

@@ -3,4 +3,7 @@
     <color name="colorPrimary">#3F51B5</color>
     <color name="colorPrimaryDark">#303F9F</color>
     <color name="colorAccent">#FF4081</color>
+    <color name="logoColor">#eb8b24</color>
+    <color name="color_text_normal">#333333</color>
+    <color name="text_gray">#919191</color>
 </resources>

app/src/main/res/values/dimens.xml

@@ -2,4 +2,6 @@
     <!-- Default screen margins, per the Android Design guidelines. -->
     <dimen name="activity_horizontal_margin">16dp</dimen>
     <dimen name="activity_vertical_margin">16dp</dimen>
+    <dimen name="text_size_large">14sp</dimen>
+    <dimen name="text_size_small">11sp</dimen>
 </resources>

app/src/main/res/values/strings.xml

@@ -1,3 +1,5 @@
 <resources>
     <string name="app_name">MyTaxi</string>
+    <string name="splash_title">打车出行</string>
+    <string name="splash_message">美好一天，平安出行 </string>
 </resources>

build.gradle

@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.2'
+        classpath 'com.android.tools.build:gradle:3.0.0'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Mon Dec 28 10:00:20 PST 2015
+#Mon Nov 13 01:47:06 CST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip