[移动开发]15 ContentProvider

预定义获取联系人

package com.test;

import android.app.Activity;
import android.content.ContentResolver;
import android.content.Intent;
import android.content.res.XmlResourceParser;
import android.database.Cursor;
import android.media.MediaPlayer;
import android.net.Uri;
import android.os.Bundle;
import android.provider.Contacts;
import android.provider.ContactsContract;
import android.view.ContextMenu;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;

import com.example.textmethod.R;

public class MainActivity extends Activity {

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);
        TextView ed &

阅读世界，共赴山海

423全民读书节，邀你共读

开通VIP 解锁文章