質問編集履歴
2
ko-dotuika
test
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File without changes
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test
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@@ -92,6 +92,68 @@
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```
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Manifest
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```<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.example.nfc_project"
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android:versionCode="1"
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android:versionName="1.0" >
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<uses-sdk
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android:minSdkVersion="8"
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android:targetSdkVersion="21" />
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<application
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android:allowBackup="true"
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android:icon="@drawable/ic_launcher"
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android:label="@string/app_name"
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android:theme="@style/AppTheme" >
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<activity
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android:name=".MainActivity"
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android:label="@string/app_name" >
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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</manifest>
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```
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###試したこと
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1
ソースコード表示にしてなかった
test
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File without changes
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test
CHANGED
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@@ -14,79 +14,83 @@
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14
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15
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###該当のソースコード
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-
package com.example.nfc;
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```package com.example.nfc;
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import android.R;
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import android.R;
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import android.app.Activity;
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import android.app.Activity;
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import android.content.Intent;
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import android.content.Intent;
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import android.nfc.NfcAdapter;
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import android.nfc.NfcAdapter;
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import android.os.Bundle;
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import android.os.Bundle;
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import android.widget.TextView;
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public class MainActivity extends Activity {
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public class MainActivity extends Activity {
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-
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/** Called when the activity is first created. */
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@Override
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-
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public void onCreate(Bundle savedInstanceState) {
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-
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super.onCreate(savedInstanceState);
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-
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setContentView(R.layout.activity_main);
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49
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-
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Intent intent = getIntent();
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-
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String action = intent.getAction();
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53
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-
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if(action.equals((NfcAdapter.ACTION_TECH_DISCOVERED))) {
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-
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byte[] rawId = intent.getByteArrayExtra(NfcAdapter.EXTRA_ID);
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57
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-
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String text = bytesToText(rawId);
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59
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-
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TextView nfcIdTextView = (TextView)findViewById(R.id.nfc_id_textview);
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61
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-
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nfcIdTextView.setText(text);
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63
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-
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}
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-
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}
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68
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69
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-
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69
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+
private String bytesToText(byte[] bytes) {
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70
70
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71
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-
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+
StringBuilder buffer = new StringBuilder();
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72
72
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73
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-
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73
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+
for (byte b : bytes) {
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75
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-
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String hex = String.format("%02X", b);
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77
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-
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+
buffer.append(hex).append(" ");
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79
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-
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79
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+
}
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81
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82
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83
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-
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83
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+
String text = buffer.toString().trim();
|
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84
84
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85
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-
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85
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+
return text;
|
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86
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87
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-
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87
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+
}
|
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88
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89
89
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}
|
|
90
|
+
|
|
91
|
+
|
|
92
|
+
|
|
93
|
+
```
|
|
90
94
|
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91
95
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92
96
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