The learning materials in APLAS consist of four stages where each stage has several topics. In this paper, we implement Multiple Activities materials for learning Intent and Fragment as the third topic in the Interactive Application stage and evaluate them through applications to 50 university ...
publicvoidstartActivityForResult(Intent intent, int requestCode){if (!this.mStartedActivityFromFragment && requestCode != -1) { checkForValidRequestCode(requestCode); }super.startActivityForResult(intent, requestCode); } 参数requestCode和resultCode都是用来标识数据来源唯一性的。比如一个activity可以启动多个...
atandroid.app.Instrumentation.execStartActivity(Instrumentation.java:1716) atandroid.app.Activity.startActivityForResult(Activity.java:5260) atandroidx.fragment.app.FragmentActivity.startActivityForResult(FragmentActivity.java:675) atandroid.app.Activity.startActivityForResult(Activity.java:5218) atandroidx.fr...
Android:在Fragment中使用Intent进行页面跳转 View.OnClickListener() { @Override public void onClick(View view) { Intent...i = new Intent(getActivity(), test.class); startActivity(i); } }...View.OnClickListener() { @Override public void onClick(View v) { Intent...i = new Intent(Main...
观心静 android 开发 Intent使用技巧点 前言 这篇博客将举例说明Intent各种各样的用法. 隐性启动Activity AndroidManifest.xml添加action <activityandroid:name=".ui.settings.SettingsActivity"android:exported="false"><intent-filter><actionandroid:name="com.xxx.settings.ui.settings.SettingsActivity"/><category...
问Android摄像头:采集图像数据时,intent返回nullEN图像的Uri应该包含在onActivityResult的data.getData()中 这
This would create aBookDetailsFragmentthat have arguments set to the above values. The process of documenting and writing tests is on going. The library is currently being used in our appDefineand another libraryPortal. Any PRs, suggestions are more than welcome. ...
@RequiresBundler class BookDetailsFragment extends Fragment { @Arg int id; @Arg String book; @Arg @Required(false) String author; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { Bundler.inject(this); // TODO inflate and return the ...
xUtils是基于Afinal开发的目前功能比较完善的一个Android开源框架,最近又发布了xUtil3.0,在增加新功能的同时又提高了框架的性能,下面来看看官方( https:///wyouflf/xUtils3)对xUtils3的介绍: xUtils包含了很多实用的android工具; xUtils支持超大文件(超过2G)上传,更全面的http请求协议支持(11种谓词),拥有更加灵活的...
options.inSampleSize = inSampleSize;// Read in and create final bitmapreturnBitmapFactory.decodeFile(path, options); } } 还有一个问题是在Fragment.OnCreateView里面加载照片的时候,无法知道要显示照片的尺寸,只有onCreate, onStart, onResume方法执行过后,才会有首个实例化布局出现。对于这种情况,可以根据Fragme...