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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,225 @@ | ||
| package com.mrjeus.calculator; | ||
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| import android.content.Context; | ||
| import android.net.Uri; | ||
| import android.os.Bundle; | ||
| import android.support.v4.app.Fragment; | ||
| import android.view.LayoutInflater; | ||
| import android.view.View; | ||
| import android.view.ViewGroup; | ||
| import android.widget.Button; | ||
| import android.widget.TextView; | ||
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| public class CalculatorFragment extends Fragment { | ||
| View view; | ||
| private TextView mTxtInput; | ||
| private TextView mTxtOutput; | ||
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| private Button mBtnNumber0; | ||
| private Button mBtnNumber1; | ||
| private Button mBtnNumber2; | ||
| private Button mBtnNumber3; | ||
| private Button mBtnNumber4; | ||
| private Button mBtnNumber5; | ||
| private Button mBtnNumber6; | ||
| private Button mBtnNumber7; | ||
| private Button mBtnNumber8; | ||
| private Button mBtnNumber9; | ||
| private Button mBtnDot; | ||
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| private Button mBtnAdd; | ||
| private Button mBtnSub; | ||
| private Button mBtnDiv; | ||
| private Button mBtnMul; | ||
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| private Button mBtnResult; | ||
| private Button mBtnPercent; | ||
| private Button mBtnAC; | ||
| private Button mBtnDEL; | ||
| private Button mBtnNagPos; | ||
| @Override | ||
| public void onCreate(Bundle savedInstanceState) { | ||
| super.onCreate(savedInstanceState); | ||
| } | ||
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| @Override | ||
| public View onCreateView(LayoutInflater inflater, ViewGroup container, | ||
| Bundle savedInstanceState) { | ||
| view = inflater.inflate(R.layout.fragment_calculator,container,false); | ||
| initWidget(); | ||
| setClick(); | ||
| return view; | ||
| } | ||
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| public void initWidget() { | ||
| mTxtInput = (TextView) view.findViewById(R.id.text_view_in_put); | ||
| mTxtOutput = (TextView) view.findViewById(R.id.text_view_out_put); | ||
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| mBtnNumber0 = (Button) view.findViewById(R.id.button_0); | ||
| mBtnNumber1 = (Button) view.findViewById(R.id.button_1); | ||
| mBtnNumber2 = (Button) view.findViewById(R.id.button_2); | ||
| mBtnNumber3 = (Button) view.findViewById(R.id.button_3); | ||
| mBtnNumber4 = (Button) view.findViewById(R.id.button_4); | ||
| mBtnNumber5 = (Button) view.findViewById(R.id.button_5); | ||
| mBtnNumber6 = (Button) view.findViewById(R.id.button_6); | ||
| mBtnNumber7 = (Button) view.findViewById(R.id.button_7); | ||
| mBtnNumber8 = (Button) view.findViewById(R.id.button_8); | ||
| mBtnNumber9 = (Button) view.findViewById(R.id.button_9); | ||
| mBtnDot = (Button) view.findViewById(R.id.button_dot); | ||
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| mBtnAdd = (Button) view.findViewById(R.id.button_add); | ||
| mBtnSub = (Button) view.findViewById(R.id.button_sub); | ||
| mBtnDiv = (Button) view.findViewById(R.id.button_div); | ||
| mBtnMul = (Button) view.findViewById(R.id.button_mul); | ||
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| mBtnResult = (Button) view.findViewById(R.id.button_result); | ||
| mBtnPercent = (Button) view.findViewById(R.id.button_percent); | ||
| mBtnNagPos = (Button) view.findViewById(R.id.button_neg_pos); | ||
| mBtnAC = (Button) view.findViewById(R.id.button_ac); | ||
| mBtnDEL = (Button) view.findViewById(R.id.button_del); | ||
| } | ||
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| public void setClick(){ | ||
| mBtnNumber0.setOnClickListener(click); | ||
| mBtnNumber1.setOnClickListener(click); | ||
| mBtnNumber2.setOnClickListener(click); | ||
| mBtnNumber3.setOnClickListener(click); | ||
| mBtnNumber4.setOnClickListener(click); | ||
| mBtnNumber5.setOnClickListener(click); | ||
| mBtnNumber6.setOnClickListener(click); | ||
| mBtnNumber7.setOnClickListener(click); | ||
| mBtnNumber8.setOnClickListener(click); | ||
| mBtnNumber9.setOnClickListener(click); | ||
| mBtnDot.setOnClickListener(click); | ||
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| mBtnAdd.setOnClickListener(click); | ||
| mBtnSub.setOnClickListener(click); | ||
| mBtnDiv.setOnClickListener(click); | ||
| mBtnMul.setOnClickListener(click); | ||
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| mBtnAC.setOnClickListener(click); | ||
| mBtnPercent.setOnClickListener(click); | ||
| mBtnNagPos.setOnClickListener(click); | ||
| mBtnDEL.setOnClickListener(click); | ||
| mBtnResult.setOnClickListener(click); | ||
| } | ||
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| View.OnClickListener click = new View.OnClickListener() { | ||
| @Override | ||
| public void onClick(View v) { | ||
| switch (v.getId()) { | ||
| case R.id.button_0: | ||
| mTxtInput.append("0"); | ||
| break; | ||
| case R.id.button_1: | ||
| mTxtInput.append("1"); | ||
| break; | ||
| case R.id.button_2: | ||
| mTxtInput.append("2"); | ||
| break; | ||
| case R.id.button_3: | ||
| mTxtInput.append("3"); | ||
| break; | ||
| case R.id.button_4: | ||
| mTxtInput.append("4"); | ||
| break; | ||
| case R.id.button_5: | ||
| mTxtInput.append("5"); | ||
| break; | ||
| case R.id.button_6: | ||
| mTxtInput.append("6"); | ||
| break; | ||
| case R.id.button_7: | ||
| mTxtInput.append("7"); | ||
| break; | ||
| case R.id.button_8: | ||
| mTxtInput.append("8"); | ||
| break; | ||
| case R.id.button_9: | ||
| mTxtInput.append("9"); | ||
| break; | ||
| case R.id.button_dot: | ||
| mTxtInput.append("."); | ||
| break; | ||
| case R.id.button_add: | ||
| mTxtInput.append("+"); | ||
| break; | ||
| case R.id.button_sub: | ||
| mTxtInput.append("-"); | ||
| break; | ||
| case R.id.button_div: | ||
| mTxtInput.append("/"); | ||
| break; | ||
| case R.id.button_mul: | ||
| mTxtInput.append("*"); | ||
| break; | ||
| case R.id.button_result: | ||
| //todo some thing | ||
| mTxtOutput.setText(resultNumber(mTxtInput.getText().toString())); | ||
| break; | ||
| case R.id.button_percent: | ||
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| break; | ||
| case R.id.button_neg_pos: | ||
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| break; | ||
| case R.id.button_ac: | ||
| mTxtInput.setText(""); | ||
| break; | ||
| case R.id.button_del: | ||
| String numberAffterRemove = deleteNumber(mTxtInput.getText().toString()); | ||
| mTxtInput.setText(numberAffterRemove); | ||
| break; | ||
| } | ||
| } | ||
| }; | ||
| public String deleteNumber(String number) { | ||
| if (number.length() != 0) { | ||
| int length = number.length(); | ||
| String mTem = number.substring(0, length - 1); | ||
| return mTem; | ||
| } | ||
| return null; | ||
| } | ||
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| public String resultNumber(String input) { | ||
| String mNumber1 = ""; | ||
| String mNumber2 = ""; | ||
| double mResult = 0, mNum1, mNum2; | ||
| for (int i = 0; i < input.length(); i++) { | ||
| if (input.charAt(i) == '+') { | ||
| mNumber1 = input.substring(0, i); | ||
| mNum1 = Double.parseDouble(mNumber1); | ||
| mNumber2 = input.substring(i + 1, input.length()); | ||
| mNum2 = Double.parseDouble(mNumber2); | ||
| mResult = mNum1 + mNum2; | ||
| return (String.valueOf(mResult)); | ||
| } | ||
| if (input.charAt(i) == '-') { | ||
| mNumber1 = input.substring(0, i); | ||
| mNum1 = Double.parseDouble(mNumber1); | ||
| mNumber2 = input.substring(i + 1, input.length()); | ||
| mNum2 = Double.parseDouble(mNumber2); | ||
| mResult = mNum1 - mNum2; | ||
| return (String.valueOf(mResult)); | ||
| } | ||
| if (input.charAt(i) == '*') { | ||
| mNumber1 = input.substring(0, i); | ||
| mNum1 = Double.parseDouble(mNumber1); | ||
| mNumber2 = input.substring(i + 1, input.length()); | ||
| mNum2 = Double.parseDouble(mNumber2); | ||
| mResult = mNum1 * mNum2; | ||
| return (String.valueOf(mResult)); | ||
| } | ||
| if (input.charAt(i) == '/') { | ||
| mNumber1 = input.substring(0, i); | ||
| mNum1 = Double.parseDouble(mNumber1); | ||
| mNumber2 = input.substring(i + 1, input.length()); | ||
| mNum2 = Double.parseDouble(mNumber2); | ||
| mResult = mNum1 / mNum2; | ||
| return (String.valueOf(mResult)); | ||
| } | ||
| } | ||
| return String.valueOf(mResult); | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,13 +1,20 @@ | ||
| package com.mrjeus.calculator; | ||
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| import android.support.v4.app.FragmentTransaction; | ||
| import android.support.v7.app.AppCompatActivity; | ||
| import android.os.Bundle; | ||
|
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| public class MainActivity extends AppCompatActivity { | ||
| CalculatorFragment calculatorFragment; | ||
| @Override | ||
| protected void onCreate(Bundle savedInstanceState) { | ||
| super.onCreate(savedInstanceState); | ||
| setContentView(R.layout.activity_main); | ||
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| calculatorFragment = new CalculatorFragment(); | ||
| FragmentTransaction fragmentTransaction = getSupportFragmentManager().beginTransaction(); | ||
| fragmentTransaction.replace(R.id.frame_cal,calculatorFragment); | ||
| fragmentTransaction.commit(); | ||
| } | ||
| } | ||
|
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|---|---|---|
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@@ -32,3 +32,4 @@ | |
| android:strokeColor="#00000000" | ||
| android:strokeWidth="1" /> | ||
| </vector> | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <shape xmlns:android="http://schemas.android.com/apk/res/android" | ||
| android:shape="rectangle"> | ||
| <solid android:color="#ffffff"/> | ||
| <stroke | ||
| android:width="1dp" | ||
| android:color="#000000"/> | ||
| </shape> | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <shape xmlns:android="http://schemas.android.com/apk/res/android" | ||
| android:shape="rectangle"> | ||
| <solid android:color="#f47d3e"/> | ||
| <stroke | ||
| android:width="3dp" | ||
| android:color="#000000" /> | ||
| </shape> | ||
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -168,3 +168,4 @@ | |
| android:strokeColor="#33FFFFFF" | ||
| android:strokeWidth="0.8" /> | ||
| </vector> | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <resources> | ||
| <color name="colorPrimary">#3F51B5</color> | ||
| <color name="colorPrimaryDark">#303F9F</color> | ||
| <color name="colorAccent">#FF4081</color> | ||
| </resources> | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <resources> | ||
| <dimen name="sp_25">25sp</dimen> | ||
| <dimen name="dp_75">75dp</dimen> | ||
| </resources> | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| <resources> | ||
| <string name="app_name">Calculator</string> | ||
| <string name="number0">0</string> | ||
| <string name="number1">1</string> | ||
| <string name="number2">2</string> | ||
| <string name="number3">3</string> | ||
| <string name="number4">4</string> | ||
| <string name="number5">5</string> | ||
| <string name="number6">6</string> | ||
| <string name="number7">7</string> | ||
| <string name="number8">8</string> | ||
| <string name="number9">9</string> | ||
| <string name="dot">.</string> | ||
| <string name="sub">-</string> | ||
| <string name="add">+</string> | ||
| <string name="div">/</string> | ||
| <string name="mul">*</string> | ||
| <string name="sign">+/-</string> | ||
| <string name="percent">%</string> | ||
| <string name="AC">AC</string> | ||
| <string name="DEL">DEL</string> | ||
| <string name="result">=</string> | ||
| </resources> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| <resources> | ||
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| <!-- Base application theme. --> | ||
| <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar"> | ||
| <!-- Customize your theme here. --> | ||
| <item name="colorPrimary">@color/colorPrimary</item> | ||
| <item name="colorPrimaryDark">@color/colorPrimaryDark</item> | ||
| <item name="colorAccent">@color/colorAccent</item> | ||
| </style> | ||
|
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| </resources> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,8 +1,12 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="match_parent" | ||
| xmlns:tools="http://schemas.android.com/tools" | ||
| tools:context=".MainActivity"> | ||
| <FrameLayout | ||
| android:id="@+id/frame_cal" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="match_parent"> | ||
| </FrameLayout> | ||
| </RelativeLayout> |
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mấy cái này ông không cần khai báo instance variable, chỉ cần findViewById().setOnClick()