├── .gitignore
├── .idea
├── .name
├── compiler.xml
├── copyright
│ └── profiles_settings.xml
├── encodings.xml
├── gradle.xml
├── misc.xml
├── modules.xml
├── runConfigurations.xml
└── vcs.xml
├── README.md
├── app
├── .gitignore
├── build.gradle
├── proguard-rules.pro
└── src
│ ├── androidTest
│ └── java
│ │ └── sunshine
│ │ └── zstu
│ │ └── com
│ │ └── addsubtractcontroller
│ │ └── ApplicationTest.java
│ ├── main
│ ├── AndroidManifest.xml
│ ├── java
│ │ └── sunshine
│ │ │ └── zstu
│ │ │ └── com
│ │ │ └── addsubtractcontroller
│ │ │ └── MainActivity.java
│ └── res
│ │ ├── drawable
│ │ ├── rounded_rectangle_left_normal.xml
│ │ ├── rounded_rectangle_left_pressed.xml
│ │ ├── rounded_rectangle_left_unclickable.xml
│ │ ├── rounded_rectangle_right_normal.xml
│ │ ├── rounded_rectangle_right_pressed.xml
│ │ ├── rounded_rectangle_right_unclickable.xml
│ │ ├── selecter_left.xml
│ │ └── selecter_right.xml
│ │ ├── layout
│ │ └── activity_main.xml
│ │ ├── mipmap-hdpi
│ │ └── ic_launcher.png
│ │ ├── mipmap-mdpi
│ │ └── ic_launcher.png
│ │ ├── mipmap-xhdpi
│ │ └── ic_launcher.png
│ │ ├── mipmap-xxhdpi
│ │ └── ic_launcher.png
│ │ ├── mipmap-xxxhdpi
│ │ └── ic_launcher.png
│ │ ├── values-w820dp
│ │ └── dimens.xml
│ │ └── values
│ │ ├── colors.xml
│ │ ├── dimens.xml
│ │ ├── strings.xml
│ │ └── styles.xml
│ └── test
│ └── java
│ └── sunshine
│ └── zstu
│ └── com
│ └── addsubtractcontroller
│ └── ExampleUnitTest.java
├── build.gradle
├── gradle.properties
├── gradle
└── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── gradlew
├── gradlew.bat
├── pictures
├── demo1.png
├── demo2.png
└── demo3.png
└── settings.gradle
/.gitignore:
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/.idea/.name:
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1 | AddSubtractController
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/README.md:
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1 | # 说明
2 |
3 |
4 | 类似购物车的一种数量加减的控制器，具体见效果图：
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7 | 
8 | 
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10 | 主要使用两个Button和一个TextView来实现效果，
11 | 按钮背景依靠layer-list和shap的属性来绘制圆角矩形，
12 | 具体代码见drawable文件夹：
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/app/.gitignore:
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1 | /build
2 |
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/app/build.gradle:
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1 | apply plugin: 'com.android.application'
2 |
3 | android {
4 | compileSdkVersion 23
5 | buildToolsVersion "23.0.2"
6 |
7 | defaultConfig {
8 | applicationId "sunshine.zstu.com.addsubtractcontroller"
9 | minSdkVersion 10
10 | targetSdkVersion 23
11 | versionCode 1
12 | versionName "1.0"
13 | }
14 | buildTypes {
15 | release {
16 | minifyEnabled false
17 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
18 | }
19 | }
20 | }
21 |
22 | dependencies {
23 | compile fileTree(dir: 'libs', include: ['*.jar'])
24 | testCompile 'junit:junit:4.12'
25 | compile 'com.android.support:appcompat-v7:23.1.1'
26 | }
27 |
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/app/proguard-rules.pro:
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1 | # Add project specific ProGuard rules here.
2 | # By default, the flags in this file are appended to flags specified
3 | # in D:\SDK/tools/proguard/proguard-android.txt
4 | # You can edit the include path and order by changing the proguardFiles
5 | # directive in build.gradle.
6 | #
7 | # For more details, see
8 | # http://developer.android.com/guide/developing/tools/proguard.html
9 |
10 | # Add any project specific keep options here:
11 |
12 | # If your project uses WebView with JS, uncomment the following
13 | # and specify the fully qualified class name to the JavaScript interface
14 | # class:
15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
16 | # public *;
17 | #}
18 |
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/app/src/androidTest/java/sunshine/zstu/com/addsubtractcontroller/ApplicationTest.java:
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1 | package sunshine.zstu.com.addsubtractcontroller;
2 |
3 | import android.app.Application;
4 | import android.test.ApplicationTestCase;
5 |
6 | /**
7 | * Testing Fundamentals
8 | */
9 | public class ApplicationTest extends ApplicationTestCase {
10 | public ApplicationTest() {
11 | super(Application.class);
12 | }
13 | }
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/app/src/main/AndroidManifest.xml:
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/app/src/main/java/sunshine/zstu/com/addsubtractcontroller/MainActivity.java:
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1 | package sunshine.zstu.com.addsubtractcontroller;
2 |
3 | import android.support.v7.app.AppCompatActivity;
4 | import android.os.Bundle;
5 | import android.view.View;
6 | import android.widget.Button;
7 | import android.widget.TextView;
8 | import android.widget.Toast;
9 |
10 | public class MainActivity extends AppCompatActivity implements View.OnClickListener {
11 |
12 | private Button btn_add;
13 | private Button btn_subtract;
14 | private TextView text_number;
15 |
16 | private static final int min = 1; //最小值
17 | private static final int max = 10; //最大值
18 | private int value = 1; //默认值,也是随点击而改变的值
19 |
20 | @Override
21 | protected void onCreate(Bundle savedInstanceState) {
22 | super.onCreate(savedInstanceState);
23 | setContentView(R.layout.activity_main);
24 |
25 | initViews();
26 | }
27 |
28 | private void initViews() {
29 | btn_add = (Button) findViewById(R.id.btn_add);
30 | btn_subtract = (Button) findViewById(R.id.btn_subtract);
31 | text_number = (TextView) findViewById(R.id.text_number);
32 |
33 | text_number.setText(String.valueOf(value));
34 | btn_subtract.setBackgroundResource(R.drawable.rounded_rectangle_left_unclickable);
35 |
36 | btn_add.setOnClickListener(this);
37 | btn_subtract.setOnClickListener(this);
38 | }
39 |
40 |
41 | @Override
42 | public void onClick(View v) {
43 | switch (v.getId()) {
44 | case R.id.btn_add:
45 | //加
46 | if (value == max) {
47 | Toast.makeText(MainActivity.this, "已达到最大值", Toast.LENGTH_SHORT).show();
48 | } else {
49 | value++;
50 | if (value == max) {
51 | btn_add.setBackgroundResource(R.drawable.rounded_rectangle_right_unclickable);
52 | }
53 | text_number.setText(String.valueOf(value));
54 | btn_subtract.setBackgroundResource(R.drawable.selecter_left);
55 | }
56 | break;
57 | case R.id.btn_subtract:
58 | //减
59 | if (value == min) {
60 | Toast.makeText(MainActivity.this, "已达到最小值", Toast.LENGTH_SHORT).show();
61 | } else {
62 | value--;
63 | if (value == min) {
64 | btn_subtract.setBackgroundResource(R.drawable.rounded_rectangle_left_unclickable);
65 | }
66 | text_number.setText(String.valueOf(value));
67 | btn_add.setBackgroundResource(R.drawable.selecter_right);
68 | }
69 | break;
70 | }
71 | }
72 | }
73 |
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