总结安卓(Android)中常用的跳转工具

<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" />

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;//返回的图片路径 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); /** * 打开微信 */ 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); } }); /** * 跳转到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))); } }); /** * 跳转到联系人界面 */ 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); } }); /** * 跳转到拨号界面 */ 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); } }); /** * 直接拨打电话 */ 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); } }); /** * 跳转到短信界面 */ 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); } }); /** * 跳转到短信界面 * 指定号码和短信内容 */ findViewById(R.id.btn_message).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { String phone = "157*****737"; String message = "这是一个自定义的内容"; Intent intent = new Intent(Intent.ACTION_SENDTO, Uri.parse("smsto:" + phone)); intent.putExtra("sms_body", message); startActivity(intent); } }); /** * 跳转到设置界面 */ 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); } }); /** * 跳转到蓝牙界面 */ 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); } }); /** * 调用浏览器 */ 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); } }); /** * 打开照相机 */ findViewById(R.id.btn_camera).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mImagePath = chooseImageFromCamera(MainActivity.this, REQUEST_CODE_CAMERA, "cameraImage"); } }); /** * 打开相册并获取图片地址 */ 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())) { /** 有些低版本机型返回的Uri模式为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; } }}