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<?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=".Net1808081001120Activity"> | ||
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<TextView | ||
android:id="@+id/textView" | ||
android:layout_width="77dp" | ||
android:layout_height="46dp" | ||
android:layout_marginEnd="324dp" | ||
android:layout_marginBottom="540dp" | ||
android:text="首页" | ||
android:textSize="36sp" | ||
app:layout_constraintBottom_toBottomOf="parent" | ||
app:layout_constraintEnd_toEndOf="parent" /> | ||
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<Button | ||
android:id="@+id/button1" | ||
android:layout_width="126dp" | ||
android:layout_height="68dp" | ||
android:layout_marginStart="140dp" | ||
android:layout_marginTop="328dp" | ||
android:text="签到" | ||
android:textSize="18sp" | ||
app:layout_constraintStart_toStartOf="parent" | ||
app:layout_constraintTop_toTopOf="parent" /> | ||
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<ImageView | ||
android:id="@+id/imageView" | ||
android:layout_width="181dp" | ||
android:layout_height="350dp" | ||
android:layout_marginTop="352dp" | ||
android:src="@drawable/picture1" | ||
app:layout_constraintEnd_toEndOf="parent" | ||
app:layout_constraintStart_toStartOf="parent" | ||
app:layout_constraintTop_toTopOf="parent"></ImageView> | ||
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</androidx.constraintlayout.widget.ConstraintLayout> |
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<?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=".Net1808081001120Activity"> | ||
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<ImageView | ||
android:id="@+id/imageView" | ||
android:layout_width="150dp" | ||
android:layout_height="88dp" | ||
android:layout_marginBottom="44dp" | ||
android:src="@drawable/picture2" | ||
app:layout_constraintBottom_toBottomOf="parent" | ||
app:layout_constraintEnd_toEndOf="parent" | ||
app:layout_constraintHorizontal_bias="0.498" | ||
app:layout_constraintStart_toStartOf="parent" | ||
app:layout_constraintTop_toBottomOf="@+id/button"></ImageView> | ||
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</androidx.constraintlayout.widget.ConstraintLayout> |
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# 实验三:Android资源使用编程 | ||
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## 一、实验目标 | ||
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1. 了解Android应用中各种资源的概念与使用方法; | ||
2. 掌握在Android应用中使用图片等资源的方法。 | ||
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## 二、实验要求 | ||
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1. 在界面上显示至少一张图片(按照自己的题目添加); | ||
2. 提交res/drawable及图片使用的代码; | ||
3. 提交res/values, res/layout等其他代码; | ||
4. 将应用运行结果截图,放到实验报告中; | ||
5. 点击图片(或按钮)时,打开另一个Activity。 | ||
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## 三、实验步骤 | ||
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1. 将图片保存到res/drawable,并用小写英文命名 | ||
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![实验三图片](https://github.com/SaTarU1IX/android-labs-2020/blob/master/students/net1808081001120/picture1.jpg) | ||
![实验三图片](https://github.com/SaTarU1IX/android-labs-2020/blob/master/students/net1808081001120/picture2.jpg) | ||
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2. 在 activity_net1808081001120.xml,分别添加 TextView 和 ImagView : | ||
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``` | ||
android:text="首页" | ||
``` | ||
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``` | ||
android:src="@drawable/picture1" | ||
``` | ||
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在 activity_personview.xml,添加 ImagView : | ||
``` | ||
android:src="@drawable/picture2" | ||
``` | ||
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## 四、实验结果 | ||
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![实验三图片](https://github.com/SaTarU1IX/android-labs-2020/blob/master/students/net1808081001120/lab-3(1).png) | ||
![实验三图片](https://github.com/SaTarU1IX/android-labs-2020/blob/master/students/net1808081001120/lab-3(2).png) | ||
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## 五、实验心得 | ||
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通过本次学会了如何在activity中插入图片,并且通过在xml中设置属性来改变图片。 |
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