Merge pull request #1312 from Zhenghizhong/master

#2 #916 第二次实验

soft1614080902215/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="androidlabs.hzuapps.edu.soft1614080902215">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".soft1614080902215MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

soft1614080902215/java/androidlabs/hzuapps/edu/soft1614080902215/soft1614080902215MainActivity.java

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+package androidlabs.hzuapps.edu.soft1614080902215;
+
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+
+public class soft1614080902215MainActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_soft1614080902215_main);
+    }
+}

soft1614080902215/res/layout/activity_soft1614080902215_main.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout 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="androidlabs.hzuapps.edu.soft1614080902215.soft1614080902215MainActivity">
+
+    <TextView
+        android:layout_width="wrap_content"
+        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.support.constraint.ConstraintLayout>

soft1614080902215/res/values/strings.xml

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+<resources>
+    <string name="app_name">soft1614080902215</string>
+</resources>