1.MainActivity.java
1 package com.example.administrator.testapp2;
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
9 public class MainActivity extends AppCompatActivity {
10
11 TextView tv_1;
12
13 Button bt1;
14 Button bt2;
15 Button bt3;
16 Button bt4;
17 Button bt5;
18 Button bt6;
19 Button bt7;
20 Button bt8;
21 Button bt9;
22 Button bt0;
23 Button bt_add;
24 Button bt_jian;
25 Button bt_cheng;
26 Button bt_chu;
27 Button bt_kuohao;
28 Button bt_dian;
29
30 @Override
31 protected void onCreate(Bundle savedInstanceState) {
32 super.onCreate(savedInstanceState);
33 setContentView(R.layout.activity_main);
34
35 tv_1 = (TextView)findViewById(R.id.tv_1);
36
37 bt0 = (Button)findViewById(R.id.bt0);
38 bt0.setOnClickListener(new View.OnClickListener() {
39 @Override
40 public void onClick(View v) {
41 tv_1.setText("0");
42 }
43 });
44 bt1 = (Button)findViewById(R.id.bt1);
45 bt1.setOnClickListener(new View.OnClickListener() {
46 @Override
47 public void onClick(View v) {
48 tv_1.setText("1");
49 }
50 });
51 bt2 = (Button)findViewById(R.id.bt2);
52 bt2.setOnClickListener(new View.OnClickListener() {
53 @Override
54 public void onClick(View v) {
55 tv_1.setText("2");
56 }
57 });
58 bt3 = (Button)findViewById(R.id.bt3);
59 bt3.setOnClickListener(new View.OnClickListener() {
60 @Override
61 public void onClick(View v) {
62 tv_1.setText("3");
63 }
64 });
65 bt4 = (Button)findViewById(R.id.bt4);
66 bt4.setOnClickListener(new View.OnClickListener() {
67 @Override
68 public void onClick(View v) {
69 tv_1.setText("4");
70 }
71 });
72 bt5 = (Button)findViewById(R.id.bt5);
73 bt5.setOnClickListener(new View.OnClickListener() {
74 @Override
75 public void onClick(View v) {
76 tv_1.setText("5");
77 }
78 });
79 bt6 = (Button)findViewById(R.id.bt6);
80 bt6.setOnClickListener(new View.OnClickListener() {
81 @Override
82 public void onClick(View v) {
83 tv_1.setText("6");
84 }
85 });
86 bt7 = (Button)findViewById(R.id.bt7);
87 bt7.setOnClickListener(new View.OnClickListener() {
88 @Override
89 public void onClick(View v) {
90 tv_1.setText("7");
91 }
92 });
93 bt8 = (Button)findViewById(R.id.bt8);
94 bt8.setOnClickListener(new View.OnClickListener() {
95 @Override
96 public void onClick(View v) {
97 tv_1.setText("8");
98 }
99 });
100 bt9 = (Button)findViewById(R.id.bt9);
101 bt9.setOnClickListener(new View.OnClickListener() {
102 @Override
103 public void onClick(View v) {
104 tv_1.setText("9");
105 }
106 });
107 bt_add = (Button)findViewById(R.id.bt_add);
108 bt_add.setOnClickListener(new View.OnClickListener() {
109 @Override
110 public void onClick(View v) {
111 tv_1.setText("+");
112 }
113 });
114 bt_jian = (Button)findViewById(R.id.bt_jian);
115 bt_jian.setOnClickListener(new View.OnClickListener() {
116 @Override
117 public void onClick(View v) {
118 tv_1.setText("-");
119 }
120 });
121 bt_cheng = (Button)findViewById(R.id.bt_cheng);
122 bt_cheng.setOnClickListener(new View.OnClickListener() {
123 @Override
124 public void onClick(View v) {
125 tv_1.setText("X");
126 }
127 });
128 bt_chu = (Button)findViewById(R.id.bt_chu);
129 bt_chu.setOnClickListener(new View.OnClickListener() {
130 @Override
131 public void onClick(View v) {
132 tv_1.setText("÷");
133 }
134 });
135 bt_dian = (Button)findViewById(R.id.bt_dian);
136 bt_dian.setOnClickListener(new View.OnClickListener() {
137 @Override
138 public void onClick(View v) {
139 tv_1.setText(".");
140 }
141 });
142 bt_kuohao = (Button)findViewById(R.id.bt_kuohao);
143 bt_kuohao.setOnClickListener(new View.OnClickListener() {
144 @Override
145 public void onClick(View v) {
146 tv_1.setText("()");
147 }
148 });
149 }
150 }
2.jsq.xml
1 <?xml version="1.0" encoding="utf-8"?> 2 <GridLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 android:layout_width="match_parent" 4 android:layout_height="match_parent" 5 android:rowCount="5" 6 android:columnCount="4"> 7 <TextView 8 android:layout_width="match_parent" 9 android:layout_height="220dp" 10 android:layout_columnSpan="4" 11 android:textSize="60dp" 12 android:gravity="right|bottom" 13 android:text="6" 14 android:textColor="#0F0" 15 android:paddingRight="10dp" 16 android:id="@+id/tv_1"/> 17 18 <Button 19 android:layout_width="wrap_content" 20 android:layout_height="wrap_content" 21 android:text="CE" 22 android:layout_rowWeight="1" 23 android:id="@+id/bt_CE" 24 android:textSize="25sp" 25 android:layout_columnWeight="1"/> 26 <Button 27 android:layout_width="wrap_content" 28 android:layout_height="wrap_content" 29 android:text="←" 30 android:id="@+id/bt_qc" 31 android:textSize="25sp" 32 android:layout_rowWeight="1" 33 android:layout_columnWeight="1"/> 34 <Button 35 android:layout_width="wrap_content" 36 android:layout_height="wrap_content" 37 android:text="÷" 38 android:id="@+id/bt_chu" 39 android:textSize="25sp" 40 android:layout_rowWeight="1" 41 android:layout_columnWeight="1"/> 42 <Button 43 android:layout_width="wrap_content" 44 android:layout_height="wrap_content" 45 android:text="X" 46 android:id="@+id/bt_cheng" 47 android:textSize="25sp" 48 android:layout_rowWeight="1" 49 android:layout_columnWeight="1"/> 50 <Button 51 android:layout_width="wrap_content" 52 android:layout_height="wrap_content" 53 android:text="7" 54 android:id="@+id/bt7" 55 android:textSize="25sp" 56 android:layout_rowWeight="1" 57 android:layout_columnWeight="1"/> 58 <Button 59 android:layout_width="wrap_content" 60 android:layout_height="wrap_content" 61 android:text="8" 62 android:id="@+id/bt8" 63 android:textSize="25sp" 64 android:layout_rowWeight="1" 65 android:layout_columnWeight="1"/> 66 <Button 67 android:layout_width="wrap_content" 68 android:layout_height="wrap_content" 69 android:text="9" 70 android:id="@+id/bt9" 71 android:textSize="25sp" 72 android:layout_rowWeight="1" 73 android:layout_columnWeight="1"/> 74 <Button 75 android:layout_width="wrap_content" 76 android:layout_height="wrap_content" 77 android:text="-" 78 android:id="@+id/bt_jian" 79 android:textSize="25sp" 80 android:layout_rowWeight="1" 81 android:layout_columnWeight="1"/> 82 <Button 83 android:layout_width="wrap_content" 84 android:layout_height="wrap_content" 85 android:text="4" 86 android:id="@+id/bt4" 87 android:textSize="25sp" 88 android:layout_rowWeight="1" 89 android:layout_columnWeight="1"/> 90 <Button 91 android:layout_width="wrap_content" 92 android:layout_height="wrap_content" 93 android:text="5" 94 android:id="@+id/bt5" 95 android:textSize="25sp" 96 android:layout_rowWeight="1" 97 android:layout_columnWeight="1"/> 98 <Button 99 android:layout_width="wrap_content" 100 android:layout_height="wrap_content" 101 android:text="6" 102 android:id="@+id/bt6" 103 android:textSize="25sp" 104 android:layout_rowWeight="1" 105 android:layout_columnWeight="1"/> 106 <Button 107 android:layout_width="wrap_content" 108 android:layout_height="wrap_content" 109 android:text="+" 110 android:id="@+id/bt_add" 111 android:textSize="25sp" 112 android:layout_rowWeight="1" 113 android:layout_columnWeight="1"/> 114 <Button 115 android:layout_width="wrap_content" 116 android:layout_height="wrap_content" 117 android:text="1" 118 android:id="@+id/bt1" 119 android:textSize="25sp" 120 android:layout_rowWeight="1" 121 android:layout_columnWeight="1"/> 122 <Button 123 android:layout_width="wrap_content" 124 android:layout_height="wrap_content" 125 android:text="2" 126 android:id="@+id/bt2" 127 android:textSize="25sp" 128 android:layout_rowWeight="1" 129 android:layout_columnWeight="1"/> 130 <Button 131 android:layout_width="wrap_content" 132 android:layout_height="wrap_content" 133 android:text="3" 134 android:id="@+id/bt3" 135 android:textSize="25sp" 136 android:layout_rowWeight="1" 137 android:layout_columnWeight="1"/> 138 <Button 139 android:layout_width="wrap_content" 140 android:layout_height="wrap_content" 141 android:text="=" 142 android:id="@+id/btdengyu" 143 android:textSize="25sp" 144 android:layout_columnWeight="1" 145 android:layout_rowSpan="2" 146 android:layout_rowWeight="1" 147 android:layout_gravity="fill"/> 148 <Button 149 android:layout_width="wrap_content" 150 android:layout_height="wrap_content" 151 android:text="0" 152 android:id="@+id/bt0" 153 android:textSize="25sp" 154 android:layout_columnWeight="1" 155 android:layout_rowWeight="1"/> 156 157 <Button 158 android:layout_width="wrap_content" 159 android:layout_height="wrap_content" 160 android:text="." 161 android:id="@+id/bt_dian" 162 android:textSize="25sp" 163 android:layout_rowWeight="1" 164 android:layout_columnWeight="1"/> 165 <Button 166 android:layout_width="wrap_content" 167 android:layout_height="wrap_content" 168 android:text="()" 169 android:id="@+id/bt_kuohao" 170 android:textSize="25sp" 171 android:layout_rowWeight="1" 172 android:layout_columnWeight="1"/> 173 </GridLayout>
时间： 2024-08-10 19:18:44