hzuapps#3

students/soft1714080902121/app/src/main/AndroidManifest.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="edu.hzuapps.androidlabs.soft1714080902121">
+    package="edu.hzuapps.androidlabs.soft1714080902121.exratecalculator">
 
     <application
         android:allowBackup="true"
@@ -9,7 +9,10 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".MainActivity">
+        <activity
+            android:name=".Soft1714080902121MainActivity"
+            android:label="@string/app_name"
+            android:theme="@style/AppTheme.NoActionBar">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 

students/soft1714080902121/app/src/main/java/edu/hzuapps/androidlabs/soft1714080902121/exratecalculator/Soft1714080902121MainActivity.java

@@ -0,0 +1,54 @@
+package edu.hzuapps.androidlabs.soft1714080902121.exratecalculator;
+
+import android.os.Bundle;
+import android.support.design.widget.FloatingActionButton;
+import android.support.design.widget.Snackbar;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
+import android.view.View;
+import android.view.Menu;
+import android.view.MenuItem;
+
+import static edu.hzuapps.androidlabs.soft1714080902121.exratecalculator.R.id.fab;
+
+public class Soft1714080902121MainActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+
+        FloatingActionButton fab = findViewById(R.id.fab);
+        fab.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
+                        .setAction("Action", null).show();
+            }
+        });
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        // Inflate the menu; this adds items to the action bar if it is present.
+        getMenuInflater().inflate(R.menu.menu_main, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        // Handle action bar item clicks here. The action bar will
+        // automatically handle clicks on the Home/Up button, so long
+        // as you specify a parent activity in AndroidManifest.xml.
+        int id = item.getItemId();
+
+        //noinspection SimplifiableIfStatement
+        if (id == R.id.action_settings) {
+            return true;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+}

students/soft1714080902121/app/src/main/res/layout/activity_main.xml

@@ -1,18 +1,32 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".MainActivity">
+    android:background="#000000"
+    tools:context=".Soft1714080902121MainActivity">
 
-    <TextView
-        android:layout_width="wrap_content"
+    <EditText
+        android:id="@+id/EditText"
+        android:layout_width="match_parent"
+        android:layout_height="149dp"
+        android:autofillHints="1"
+        android:inputType="numberDecimal"
+        android:text="@string/edit_text" />
+
+    <android.support.design.widget.AppBarLayout
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:text="Hello World!"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        android:theme="@style/AppTheme.AppBarOverlay">
+
+        <android.support.v7.widget.Toolbar
+            android:id="@+id/toolbar"
+            android:layout_width="match_parent"
+            android:layout_height="?attr/actionBarSize"
+            android:background="#FF0000"
+            app:popupTheme="@style/AppTheme.PopupOverlay" />
+
+    </android.support.design.widget.AppBarLayout>
 
-</android.support.constraint.ConstraintLayout>
+</android.support.design.widget.CoordinatorLayout>

students/soft1714080902121/app/src/main/res/values/strings.xml

@@ -1,3 +1,5 @@
 <resources>
-    <string name="app_name">My Application</string>
+    <string name="app_name">汇率换算</string>
+    <string name="action_settings">Settings</string>
+    <string name="edit_text"></string>
 </resources>