#5 #53 实验4.5代码以及报告

students/net1814080903310/Information1814080903310Activity.java

@@ -2,13 +2,74 @@
 
 import androidx.appcompat.app.AppCompatActivity;
 
+import android.content.Context;
+import android.content.SharedPreferences;
 import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+import edu.hzuapps.androidlabs.R;
 
 public class Information1814080903310Activity extends AppCompatActivity {
+    private EditText PersonName;
+    private EditText EmailAddress;
+    private EditText Phone;
+    private Button write;
+    private Button read;
+    private Context This;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_main1814080903310);
+        setContentView(R.layout.activity_info1814080903310);
+
+        PersonName = (EditText)findViewById(R.id.editTextTextPersonName);
+        EmailAddress = (EditText)findViewById(R.id.editTextTextEmailAddress);
+        Phone = (EditText)findViewById(R.id.editTextPhone);
+        read = (Button)findViewById(R.id.read);
+        write = (Button)findViewById(R.id.write);
+    }
+
+    public void onClick(View view){
+        String mPersonName = PersonName.getText().toString();
+        String mEmailAddress = EmailAddress.getText().toString();
+        String mPhone = Phone.getText().toString();
+
+        switch (view.getId()){
+            case R.id.write:
+                msave(mPersonName,mEmailAddress,mPhone);
+                break;
+            case R.id.read:
+                mread();
+                break;
+        }
+    }
+
+    private void mread(){
+        SharedPreferences sp = getSharedPreferences("info",MODE_PRIVATE);
+        String mPersonName = sp.getString("1","");
+        String mEmailAddress = sp.getString("2","");
+        String mPhone = sp.getString("3","");
+        PersonName.setText("");
+        EmailAddress.setText("");
+        Phone.setText("");
+        Toast.makeText(this,"昵称为："+mPersonName+"邮箱为："+mEmailAddress+"电话为："+mPhone,Toast.LENGTH_LONG).show();
     }
-}
+    private boolean msave(String PersonName,String EmailAddress,String Phone){
+        SharedPreferences sp = getSharedPreferences("info",MODE_PRIVATE);
+        SharedPreferences.Editor edit = sp.edit();
+        edit.putString("1",PersonName);
+        edit.putString("2",EmailAddress);
+        edit.putString("3",Phone);
+        edit.apply();
+        Toast.makeText(this,"保存成功",Toast.LENGTH_SHORT).show();
+        return true;
+    }
+
+}

students/net1814080903310/Net1814080903310Activity.java

@@ -1,23 +1,37 @@
 package edu.hzuapps.androidlabs.students.net1814080903310;
 
 import android.os.Bundle;
+import android.view.View;
 import android.widget.Button;
-
+import android.content.Intent;
 import androidx.appcompat.app.AppCompatActivity;
+import edu.hzuapps.androidlabs.R;
 
 public class Net1814080903310Activity extends AppCompatActivity {
-
+    Button button = null;
+    Button button1 =null;
     @Override
-    protected void onCreat(Bundle savedInstanceState){
+    protected void onCreate(Bundle savedInstanceState){
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
-        Button button = findViewById(R.id.see);
-        final Net1814080903310Activity _this = this;
+
+        button = (Button)findViewById(R.id.video);
         button.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                Intent intent = new Intent(_this, Main1814080903310Activity.class);
-                _this.startActivity(intent);
+                Intent intent =new Intent();
+                intent.setClass(Net1814080903310Activity.this,PlayVideo18148080903310Activity.class);
+                startActivity(intent);
+            }
+        });
+
+        button1 = (Button)findViewById(R.id.info);
+        button1.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent();
+                intent.setClass(Net1814080903310Activity.this,Information1814080903310Activity.class);
+                startActivity(intent);
             }
         });
     }

students/net1814080903310/PlayVideo18148080903310Activity.java

@@ -2,13 +2,58 @@
 
 import androidx.appcompat.app.AppCompatActivity;
 
+import android.annotation.SuppressLint;
+import android.net.Uri;
 import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.MediaController;
+import android.widget.VideoView;
+
+import edu.hzuapps.androidlabs.R;
 
 public class PlayVideo18148080903310Activity extends AppCompatActivity {
+    private VideoView videoView;
+    private Button startVideo;
+    private Button stopVideo;
+    private MediaController mediaController;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_first18148080903310);
+        setContentView(R.layout.activity_play18148080903310);
+        intView();
+    }
+
+    private void intView(){
+        videoView = (VideoView)findViewById(R.id.videoView2);
+        startVideo = (Button)findViewById(R.id.startVideo);
+        stopVideo = (Button)findViewById(R.id.stopVideo);
+
+        startVideo.setOnClickListener(new View.OnClickListener(){
+
+            @Override
+            public void onClick(View v) {
+                init();
+            }
+        });
+        stopVideo.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                videoView.stopPlayback();
+            }
+        });
+    }
+
+    private void init(){
+        videoView = (VideoView)findViewById(R.id.videoView2);
+        mediaController = new MediaController(this);
+        String uri = "android.resource://"+getPackageName()+"/"+R.raw.video;
+        videoView.setVideoURI(Uri.parse(uri));
+        videoView.setMediaController(mediaController);
+        mediaController.setMediaPlayer(videoView);
+        videoView.requestFocus();
+        videoView.start();
     }
-}
+}
+

students/net1814080903310/activity_info1814080903310.xml

@@ -0,0 +1,80 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.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=".students.net1814080903310.Information1814080903310Activity">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical">
+
+        <TextView
+            android:id="@+id/textView"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="请输入您的昵称" />
+
+        <EditText
+            android:id="@+id/editTextTextPersonName"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:ems="10"
+            android:inputType="textPersonName"
+            android:text="Name" />
+
+        <TextView
+            android:id="@+id/textView2"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="请输入您的邮箱" />
+
+        <EditText
+            android:id="@+id/editTextTextEmailAddress"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:ems="10"
+            android:inputType="textEmailAddress" />
+
+        <TextView
+            android:id="@+id/textView3"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="请输入您的电话" />
+
+        <EditText
+            android:id="@+id/editTextPhone"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:ems="10"
+            android:inputType="phone" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:orientation="horizontal">
+
+            <Button
+                android:id="@+id/write"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:onClick="onClick"
+                android:text="保存" />
+
+            <Button
+                android:id="@+id/read"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:onClick="onClick"
+                android:text="读取"
+                tools:ignore="OnClick" />
+        </LinearLayout>
+
+    </LinearLayout>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
+

students/net1814080903310/activity_main.xml

@@ -4,38 +4,47 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:orientation="vertical"
     tools:context=".MainActivity">
 
-    <TextView
-        android:id="@+id/textview_01"
+    <Button
+        android:id="@+id/video"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:drawableTop="@drawable/InfomationBackground"
-        android:text="Hello World!"
+        android:layout_marginStart="43dp"
+        android:layout_marginTop="13dp"
+        android:layout_marginEnd="100dp"
+        android:layout_marginBottom="43dp"
+        android:text="视频"
         app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@+id/info"
+        app:layout_constraintTop_toBottomOf="@+id/imageView" />
 
-    <Button
-        android:id="@+id/button"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="首页"
-        tools:ignore="MissingConstraints" />
+    <ImageView
+        android:id="@+id/imageView"
+        android:layout_width="410dp"
+        android:layout_height="627dp"
+        android:layout_marginBottom="8dp"
+        android:src="@drawable/infomationbackground"
+        app:layout_constraintBottom_toTopOf="@+id/video"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
 
     <Button
-        android:id="@+id/button2"
+        android:id="@+id/info"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
+        android:layout_marginStart="92dp"
+        android:layout_marginTop="13dp"
+        android:layout_marginEnd="43dp"
+        android:layout_marginBottom="38dp"
         android:text="我的"
-        tools:layout_editor_absoluteX="0dp"
-        tools:layout_editor_absoluteY="59dp"
-        tools:ignore="MissingConstraints" />
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/video"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/imageView" />
 
-    <ImageView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:src="@drawable/InfomationBackground"
+</androidx.constraintlayout.widget.ConstraintLayout>
 
-</androidx.constraintlayout.widget.ConstraintLayout>

students/net1814080903310/activity_play1814080903310.xml

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.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=".students.net1814080903310.PlayVideo18148080903310Activity">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
+            <VideoView
+                android:id="@+id/videoView2"
+                android:layout_width="354dp"
+                android:layout_height="242dp"
+                android:layout_weight="1" />
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
+            <Button
+                android:id="@+id/startVideo"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:text="播放" />
+
+            <Button
+                android:id="@+id/stopVideo"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:text="结束" />
+        </LinearLayout>
+    </LinearLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>
+