总结安卓(Android)中常用的跳转工具
话不多说了，直接上代码，这篇文章包含了一些基本的并且常用的跳转工具，一起来看看吧。
首先，这是需要的对应的权限。
<uses-permissionandroid:name="android.permission.CALL_PHONE"/> <uses-permissionandroid:name="android.permission.SEND_SMS"/> <uses-permissionandroid:name="android.permission.READ_EXTERNAL_STORAGE"/>
代码：
importandroid.app.Activity;
importandroid.content.Context;
importandroid.content.Intent;
importandroid.database.Cursor;
importandroid.net.Uri;
importandroid.os.Environment;
importandroid.provider.MediaStore;
importandroid.provider.Settings;
importandroid.support.v7.app.AppCompatActivity;
importandroid.os.Bundle;
importandroid.view.View;
importandroid.widget.Toast;
importjava.io.File;
importframe.zmit.cn.publicutils.R;
/**
*Createdbyjoyon2016/7/21.
*工具集合
*/
publicclassMainActivityextendsAppCompatActivity{
privateStringmImagePath;//返回的图片路径
privatefinalstaticintREQUEST_CODE_GALLERY=0x11;
privatefinalstaticintREQUEST_CODE_CAMERA=0x12;
@Override
protectedvoidonCreate(BundlesavedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
/**
*打开微信
*/
findViewById(R.id.btn_open_weixin).setOnClickListener(newView.OnClickListener(){
@Override
publicvoidonClick(Viewv){
Intentintent=getPackageManager().getLaunchIntentForPackage("com.tencent.mm");
startActivity(intent);
}
});
/**
*跳转到QQ聊天界面
*/
findViewById(R.id.btn_open_qq).setOnClickListener(newView.OnClickListener(){
@Override
publicvoidonClick(Viewv){
StringmQqNumber="98*****08";
Stringurl11="mqqwpa://im/chat?chat_type=wpa&uin="+mQqNumber+"&version=10";
startActivity(newIntent(Intent.ACTION_VIEW,Uri.parse(url11)));
}
});
/**
*跳转到联系人界面
*/
findViewById(R.id.btn_people_interface).setOnClickListener(newView.OnClickListener(){
@Override
publicvoidonClick(Viewv){
Intentintent=newIntent();
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(newView.OnClickListener(){
@Override
publicvoidonClick(Viewv){
Stringphone="157*****737";
Intentintent=newIntent(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(newView.OnClickListener(){
@Override
publicvoidonClick(Viewv){
Stringphone="157*****737";
IntentintentPhone=newIntent(Intent.ACTION_CALL,Uri.parse("tel:"+phone));
startActivity(intentPhone);
}
});
/**
*跳转到短信界面
*/
findViewById(R.id.btn_message_interface).setOnClickListener(newView.OnClickListener(){
@Override
publicvoidonClick(Viewv){
Intentintent=newIntent(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(newView.OnClickListener(){
@Override
publicvoidonClick(Viewv){
Stringphone="157*****737";
Stringmessage="这是一个自定义的内容";
Intentintent=newIntent(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(newView.OnClickListener(){
@Override
publicvoidonClick(Viewv){
Intentintent=newIntent(Settings.ACTION_SETTINGS);
startActivity(intent);
}
});
/**
*跳转到蓝牙界面
*/
findViewById(R.id.btn_bluetooth_interface).setOnClickListener(newView.OnClickListener(){
@Override
publicvoidonClick(Viewv){
Intentintent=newIntent(Settings.ACTION_BLUETOOTH_SETTINGS);
startActivity(intent);
}
});
/**
*调用浏览器
*/
findViewById(R.id.btn_browser).setOnClickListener(newView.OnClickListener(){
@Override
publicvoidonClick(Viewv){
Intentintent=newIntent();
intent.setAction("android.intent.action.VIEW");
Uricontent_url=Uri.parse("http://www.baidu.com");
intent.setData(content_url);
startActivity(intent);
}
});
/**
*打开照相机
*/
findViewById(R.id.btn_camera).setOnClickListener(newView.OnClickListener(){
@Override
publicvoidonClick(Viewv){
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(newView.OnClickListener(){
@Override
publicvoidonClick(Viewv){
Intentintent=newIntent(Intent.ACTION_PICK,null);
intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,"image/*");
startActivityForResult(intent,REQUEST_CODE_GALLERY);
}
});
}
publicStringchooseImageFromCamera(Activityactivity,intrequestCode,StringimageName){
IntentcameraIntent=newIntent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
Filefile=newFile(Environment.getExternalStorageDirectory()+"/Images");
if(!file.exists()){
file.mkdirs();
}
StringsavePath=Environment.getExternalStorageDirectory()+"/Images/"+imageName+String.valueOf(System.currentTimeMillis())+".jpg";
UrimUri=Uri.fromFile(
newFile(savePath));
cameraIntent.putExtra(android.provider.MediaStore.EXTRA_OUTPUT,mUri);
cameraIntent.putExtra("return-data",true);
activity.startActivityForResult(cameraIntent,requestCode);
returnsavePath;
}
publicStringonActivityResultForChooseImageFromGallery(
Contextcontext,intrequestCode,intresultCode,Intentdata){
StringimagePath=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{
UriselectedImage=data.getData();
String[]filePathColumn={MediaStore.Images.Media.DATA};
Cursorcursor=context.getContentResolver().query(selectedImage,
filePathColumn,null,null,null);
cursor.moveToFirst();
intcolumnIndex=cursor.getColumnIndex(filePathColumn[0]);
imagePath=cursor.getString(columnIndex);
cursor.close();
}
returnimagePath;
}else{
returnnull;
}
}
@Override
protectedvoidonActivityResult(intrequestCode,intresultCode,Intentdata){
super.onActivityResult(requestCode,resultCode,data);
switch(requestCode){
caseREQUEST_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;
caseREQUEST_CODE_CAMERA:
if(mImagePath!=null&&mImagePath.length()>0){
Toast.makeText(MainActivity.this,mImagePath,Toast.LENGTH_SHORT).show();
}
break;
}
}
}
总结
总结安卓(Android)中常用的跳转工具到这就结束了，这篇文章整理的这些跳转工具类很常见，所以才是最实用的，希望本文对大家日常开发Android能有所帮助。