hzuapps#5 hzuapps#891 第五次实验

soft1614080902124/soft1614080902124/app/src/main/java/edu/hzuapps/androidlabs/soft1614080902124/Main2Activity.java

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+package edu.hzuapps.androidlabs.soft1614080902124;
+
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+
+public class Main2Activity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main2);
+    }
+}

soft1614080902124/soft1614080902124/app/src/main/java/edu/hzuapps/androidlabs/soft1614080902124/Main3Activity.java

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+package edu.hzuapps.androidlabs.soft1614080902124;
+
+import android.content.res.Resources;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Scanner;
+
+public class Main3Activity extends AppCompatActivity {
+    public ArrayList<String> data = new ArrayList<String>();
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main3);
+
+        load();
+        ListView listView=(ListView) findViewById(R.id.listview);
+        ArrayAdapter<String> adapter=new ArrayAdapter<String>(Main3Activity.this,android.R.layout.simple_list_item_1,data);
+        listView.setAdapter(adapter);
+    }
+
+    public void load() {
+        Resources resources = this.getResources();
+        InputStream StdInfo = null;
+        try {
+            // 用InputStream方式读取保存在 /res/raw 下的原始文件
+            StdInfo = resources.openRawResource(R.raw.data);
+            if (StdInfo.available() == 0)
+                return;
+            if (StdInfo != null) {
+                //用utf-8读取文件
+                Scanner input = new Scanner(StdInfo, "GBK");
+                while (input.hasNext()) {
+                    String Name = input.next();
+                    data.add(Name);
+                }
+            }
+
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}

soft1614080902124/soft1614080902124/app/src/main/java/edu/hzuapps/androidlabs/soft1614080902124/MainActivity.java

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+package edu.hzuapps.androidlabs.soft1614080902124;
+
+import android.content.Intent;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+
+public class MainActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        Button button = (Button) findViewById(R.id.my_in);
+        button.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Intent intent = new Intent(MainActivity.this, Main2Activity.class);
+                startActivity(intent);
+            }
+        });
+
+        Button button1 = (Button) findViewById(R.id.two);
+        button1.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Intent intent = new Intent(MainActivity.this, Main3Activity.class);
+                startActivity(intent);
+            }
+        });
+    }
+}

soft1614080902124/soft1614080902124/app/src/main/res/layout/activity_main.xml

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+<?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"
+    android:background="@drawable/pic2"
+    tools:context="edu.hzuapps.androidlabs.soft1614080902124.MainActivity">
+
+    <Button
+        android:id="@+id/my_in"
+        android:layout_width="wrap_content"
+        android:layout_height="50dp"
+        android:layout_above="@+id/two"
+        android:layout_centerHorizontal="true"
+        android:layout_marginBottom="82dp"
+        android:text="进入照片浏览系统"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <Button
+        android:id="@+id/two"
+        android:layout_width="wrap_content"
+        android:layout_height="50dp"
+        android:layout_alignParentBottom="true"
+        android:layout_centerHorizontal="true"
+        android:layout_marginBottom="159dp"
+        android:text="查看图片数据" />
+
+</RelativeLayout>

soft1614080902124/soft1614080902124/app/src/main/res/layout/activity_main2.xml

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+<?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"
+    android:background="@drawable/pic1"
+    tools:context="edu.hzuapps.androidlabs.soft1614080902124.Main2Activity">
+
+
+    <ImageView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:id="@+id/mypic"
+        />
+
+    <Button
+        android:id="@+id/pre"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentRight="true"
+        android:text="下一张"
+        tools:layout_editor_absoluteX="41dp"
+        tools:layout_editor_absoluteY="411dp" />
+
+    <Button
+        android:id="@+id/next"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="上一张"
+        tools:layout_editor_absoluteX="245dp"
+        tools:layout_editor_absoluteY="411dp" />
+</RelativeLayout>

soft1614080902124/soft1614080902124/app/src/main/res/layout/activity_main3.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="edu.hzuapps.androidlabs.soft1614080902124.Main3Activity">
+
+    <ListView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:id="@+id/listview"/>
+</android.support.constraint.ConstraintLayout>