編輯:關於Android編程
話不多說了,直接上代碼,這篇文章包含了一些基本的並且常用的跳轉工具,一起來看看吧。
首先,這是需要的對應的權限。
<uses-permission android:name="android.permission.CALL_PHONE" /> <uses-permission android:name="android.permission.SEND_SMS" /> <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
代碼:
import android.app.Activity; import android.content.Context; import android.content.Intent; import android.database.Cursor; import android.net.Uri; import android.os.Environment; import android.provider.MediaStore; import android.provider.Settings; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Toast; import java.io.File; import frame.zmit.cn.publicutils.R; /** * Created by joy on 2016/7/21. * 工具集合 */ public class MainActivity extends AppCompatActivity { private String mImagePath;//返回的圖片路徑 private final static int REQUEST_CODE_GALLERY = 0x11; private final static int REQUEST_CODE_CAMERA = 0x12; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); /** * 打開微信 */ findViewById(R.id.btn_open_weixin).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent intent = getPackageManager().getLaunchIntentForPackage("com.tencent.mm"); startActivity(intent); } }); /** * 跳轉到QQ聊天界面 */ findViewById(R.id.btn_open_qq).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { String mQqNumber = "98*****08"; String url11 = "mqqwpa://im/chat?chat_type=wpa&uin=" + mQqNumber + "&version=10"; startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(url11))); } }); /** * 跳轉到聯系人界面 */ findViewById(R.id.btn_people_interface).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent(); intent.setClassName("com.android.contacts", "com.android.contacts.activities.PeopleActivity"); startActivity(intent); } }); /** * 跳轉到撥號界面 */ findViewById(R.id.btn_telephone_interface).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { String phone = "157*****737"; Intent intent = new Intent(Intent.ACTION_DIAL, Uri.parse("tel:" + phone)); intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); startActivity(intent); } }); /** * 直接撥打電話 */ findViewById(R.id.btn_telephone).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { String phone = "157*****737"; Intent intentPhone = new Intent(Intent.ACTION_CALL, Uri.parse("tel:" + phone)); startActivity(intentPhone); } }); /** * 跳轉到短信界面 */ findViewById(R.id.btn_message_interface).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent(Intent.ACTION_VIEW); intent.setType("vnd.android-dir/mms-sms"); startActivity(intent); } }); /** * 跳轉到短信界面 * 指定號碼和短信內容 */ findViewById(R.id.btn_message).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { String phone = "157*****737"; String message = "這是一個自定義的內容"; Intent intent = new Intent(Intent.ACTION_SENDTO, Uri.parse("smsto:" + phone)); intent.putExtra("sms_body", message); startActivity(intent); } }); /** * 跳轉到設置界面 */ findViewById(R.id.btn_setting_interface).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent(Settings.ACTION_SETTINGS); startActivity(intent); } }); /** * 跳轉到藍牙界面 */ findViewById(R.id.btn_bluetooth_interface).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent(Settings.ACTION_BLUETOOTH_SETTINGS); startActivity(intent); } }); /** * 調用浏覽器 */ findViewById(R.id.btn_browser).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent(); intent.setAction("android.intent.action.VIEW"); Uri content_url = Uri.parse("http://www.baidu.com"); intent.setData(content_url); startActivity(intent); } }); /** * 打開照相機 */ findViewById(R.id.btn_camera).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mImagePath = chooseImageFromCamera(MainActivity.this, REQUEST_CODE_CAMERA, "cameraImage"); } }); /** * 打開相冊並獲取圖片地址 */ findViewById(R.id.btn_gallery).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent(Intent.ACTION_PICK, null); intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "image/*"); startActivityForResult(intent, REQUEST_CODE_GALLERY); } }); } public String chooseImageFromCamera(Activity activity, int requestCode, String imageName) { Intent cameraIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE); File file = new File(Environment.getExternalStorageDirectory() + "/Images"); if (!file.exists()) { file.mkdirs(); } String savePath = Environment.getExternalStorageDirectory() + "/Images/" + imageName + String.valueOf(System.currentTimeMillis()) + ".jpg"; Uri mUri = Uri.fromFile( new File(savePath)); cameraIntent.putExtra(android.provider.MediaStore.EXTRA_OUTPUT, mUri); cameraIntent.putExtra("return-data", true); activity.startActivityForResult(cameraIntent, requestCode); return savePath; } public String onActivityResultForChooseImageFromGallery( Context context, int requestCode, int resultCode, Intent data) { String imagePath = null; if (data != null) { if ("file".equals(data.getData().getScheme())) { /** 有些低版本機型返回的Uri模式為file*/ imagePath = data.getData().getPath(); } else { Uri selectedImage = data.getData(); String[] filePathColumn = {MediaStore.Images.Media.DATA}; Cursor cursor = context.getContentResolver().query(selectedImage, filePathColumn, null, null, null); cursor.moveToFirst(); int columnIndex = cursor.getColumnIndex(filePathColumn[0]); imagePath = cursor.getString(columnIndex); cursor.close(); } return imagePath; } else { return null; } } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); switch (requestCode) { case REQUEST_CODE_GALLERY: mImagePath = onActivityResultForChooseImageFromGallery(MainActivity.this, requestCode, resultCode, data); if (mImagePath != null && mImagePath.length() > 0) { Toast.makeText(MainActivity.this, mImagePath, Toast.LENGTH_SHORT).show(); } break; case REQUEST_CODE_CAMERA: if (mImagePath != null && mImagePath.length() > 0) { Toast.makeText(MainActivity.this, mImagePath, Toast.LENGTH_SHORT).show(); } break; } } }
總結
總結安卓(Android)中常用的跳轉工具到這就結束了,這篇文章整理的這些跳轉工具類很常見,所以才是最實用的,希望本文對大家日常開發Android能有所幫助。
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