33-Action跳转StartActivityForResult获取返回的结果

最新推荐文章于 2017-08-11 14:26:16 发布

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最新推荐文章于 2017-08-11 14:26:16 发布

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分类专栏： Android应用程序开发

本文链接：https://blog.youkuaiyun.com/shuangrenyu1234/article/details/15338045

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本文介绍了一个简单的Android应用程序，该程序允许用户从设备的联系人列表中选择一个联系人并显示其电话号码。通过使用ACTION_GET_CONTENT Intent来启动联系人选项，并通过解析返回的数据获取联系人的姓名和电话号码。

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MainActivity.java

package com.example.test;

import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.support.v4.app.NavUtils;

public class MainActivity extends Activity {

	protected static final int PICK_CONTACT = 0;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		Button bn = (Button) findViewById(R.id.bn);

		// 添加监听事件
		bn.setOnClickListener(new OnClickListener() {

			public void onClick(View v) {
				Intent intent = new Intent();
				intent.setAction(Intent.ACTION_GET_CONTENT);
				intent.setType("vnd.android.cursor.item/phone");
				startActivityForResult(intent, PICK_CONTACT);
			}
		});

	}

	@Override
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
		super.onActivityResult(requestCode, resultCode, data);
		switch (requestCode) {
		case (PICK_CONTACT):
			if (resultCode == Activity.RESULT_OK) {
				Uri contactData = data.getData();
				Cursor cursor = managedQuery(contactData, null, null, null,
						null);

				if (cursor.moveToFirst()) {
					String contactId = cursor.getString(cursor
							.getColumnIndex(ContactsContract.Contacts._ID));
					String name = cursor
							.getString(cursor
									.getColumnIndexOrThrow(ContactsContract.Contacts.DISPLAY_NAME));
					String phoneNumber = "此联系人暂未输入电话号码";
					System.out.println("----------------------" + contactId);
					Cursor phones = getContentResolver().query(
							ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
							null,
							ContactsContract.CommonDataKinds.Phone.CONTACT_ID
									+ "=" + contactId, null, null);
					System.out.println("=====================" + phones);
					if (phones.moveToFirst()) {
						phoneNumber = phones
								.getString(phones
										.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
					}

					phones.close();
					EditText show = (EditText) findViewById(R.id.show);
					show.setText(name);
					EditText phone = (EditText) findViewById(R.id.phone);
					phone.setText(phoneNumber);
				}
				cursor.close();
			}
			break;
		}
	}
}

activity_main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <EditText
        android:id="@+id/show"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" >
    </EditText>

    <EditText
        android:id="@+id/phone"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" >
    </EditText>

    <Button
        android:id="@+id/bn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Button" />

</LinearLayout>

AndroidMeniFest.xml中设置用户的权限

 <!-- 设置权限 -->
    <uses-permission android:name="android.permission.READ_CONTACTS" />
    <uses-permission android:name="android.permission.WRITE_CONTACTS" />