Merge pull request #1228 from Walk-With-Wind/master

#5 #342 提交实验五

students/soft1714080902205/app/src/main/AndroidManifest.xml

@@ -9,7 +9,9 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme.NoActionBar">
-        <activity android:name=".Soft1714080902205Activity"></activity>
+        <activity android:name=".NewActivity"/>
+        <activity android:name=".Soft1714080902205Activity_bottom" />
+        <activity android:name=".Soft1714080902205Activity" android:label="创作工作室"></activity>
         <activity android:name=".Soft1714080902205Activity_start">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

students/soft1714080902205/app/src/main/java/edu/hzuapps/androidlabs/soft1714080902205/NewActivity.java

@@ -0,0 +1,67 @@
+package edu.hzuapps.androidlabs.soft1714080902205;
+
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+
+public class NewActivity extends AppCompatActivity {
+
+    private EditText book_name_et;
+    private Button btn_save;
+    private Button btn_look;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_new);
+
+        book_name_et=(EditText) findViewById(R.id.book_name_et);
+        btn_save=(Button) findViewById(R.id.btn_save);
+        btn_look=(Button) findViewById(R.id.btn_look);
+
+        btn_save.setOnClickListener(new ButtonListener());
+        btn_look.setOnClickListener(new ButtonListener());
+    }
+    private class ButtonListener implements View.OnClickListener{
+        @Override
+        public void onClick(View v) {
+            switch (v.getId()){
+                case R.id.btn_save:
+                    String saveInfo=book_name_et.getText().toString().trim();
+                    FileOutputStream mfos;
+                    try {
+                        mfos=openFileOutput("MyBook.txt",MODE_PRIVATE);
+                        mfos.write(saveInfo.getBytes());
+                        mfos.close();
+                        }
+                        catch (Exception e) {
+                            e.printStackTrace();
+                        }
+                    Toast.makeText(NewActivity.this,"保存成功", Toast.LENGTH_SHORT).show();
+                    break;
+                case R.id.btn_look:
+                    String content="";
+                    try {
+                        FileInputStream mfis = openFileInput("MyBook.txt");
+                        byte[] buffer = new byte[mfis.available()];
+                        mfis.read(buffer);
+                        content = new String(buffer);
+                        mfis.close();
+                    }
+                    catch (Exception e) {
+                        e.printStackTrace();
+                    }
+                    Toast.makeText(NewActivity.this,"你保存的书名是："+content,Toast.LENGTH_SHORT).show();
+                    break;
+                default:
+                }
+            }
+        }
+}
+

students/soft1714080902205/app/src/main/res/layout/activity_new.xml

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout 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=".NewActivity">
+
+
+    <TextView
+        android:id="@+id/book_name"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="25dp"
+        android:text="请输入新创作书籍的书名：" />
+
+    <EditText
+        android:id="@+id/book_name_et"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_below="@+id/book_name"
+        android:ems="20"
+        />
+
+    <Button
+        android:id="@+id/btn_save"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_below="@id/book_name_et"
+        android:text="保存"
+        android:textSize="20sp"
+        android:layout_centerInParent="true"
+        />
+
+    <Button
+        android:id="@+id/btn_look"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_below="@+id/btn_save"
+        android:text="查看"
+        android:textSize="20sp"
+        android:layout_centerInParent="true"
+        />
+
+
+</RelativeLayout>