20170304
ContentResolver-Email
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.wata.myapplication">
<uses-permission android:name="android.permission.READ_CONTACTS" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
//
package com.example.wata.myapplication;
import android.app.Activity;
import android.content.ContentResolver;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract;
public class MainActivity extends Activity {
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
protected void onResume() {
super.onResume();
ContentResolver contentResolver = getContentResolver();
Uri uri = ContactsContract.CommonDataKinds.Email.CONTENT_URI;
String[] projection = new String[]{ContactsContract.CommonDataKinds.Email.DATA1};
String order = ContactsContract.CommonDataKinds.Email.DATA1 + " ASC";
Cursor cursor = contentResolver.query(uri, projection, null, null, order);
if (cursor.moveToFirst()) {
int emailColumn = cursor.getColumnIndex(ContactsContract.CommonDataKinds.Email.DATA1);
do {
System.out.println(cursor.getString(emailColumn));
} while (cursor.moveToNext());
}
}
}