[英]how to create a node by touch in android studio with api Graphstream?
當我點擊屏幕創建節點時,我正試圖獲取它,但是通過Viwerpipe,我唯一能做的就是刪除已經創建的節點。
public class Activity_TestManySprite extends Activity implements ViewerListener {
private static final int CONTENT_VIEW_ID = 10101010;
private DefaultFragment fragment ;
private Graph graph ;
protected boolean loop = true;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
FrameLayout frame = new FrameLayout(this);
frame.setId(CONTENT_VIEW_ID);
setContentView(frame, new FrameLayout.LayoutParams(
FrameLayout.LayoutParams.MATCH_PARENT,
FrameLayout.LayoutParams.MATCH_PARENT));
graph = new MultiGraph("TestSize");
graph.setAttribute("ui.antialias");
display(savedInstanceState, graph, true);
}
@Override
protected void onStart() {
super.onStart();
ViewerPipe pipe = fragment.getViewer().newViewerPipe();
pipe.addAttributeSink( graph );
pipe.addViewerListener( this );
pipe.pump();
graph.setAttribute( "ui.stylesheet", styleSheet );
graph.setAttribute( "ui.antialias" );
}
public void display(Bundle savedInstanceState, Graph graph, boolean autoLayout) {
if (savedInstanceState == null) {
FragmentManager fm = getFragmentManager();
fragment = (DefaultFragment)fm.findFragmentByTag("fragment_tag");
if (null == fragment) {
fragment = new DefaultFragment();
fragment.init(graph, autoLayout);
}
FragmentTransaction ft = fm.beginTransaction() ;
ft.add(CONTENT_VIEW_ID, fragment).commit();
}
}
public void buttonPushed( String id ) {
graph.removeNode(id);
}
public void buttonReleased(String id) {
}
public void mouseOver(String id) {
}
public void mouseLeft(String id) {
}
public void viewClosed(String viewName) {
}
}
我搜索了很多地方,但我沒有找到如何使用觸摸屏來做到這一點,我通常發現這個鏈接,說它很有用,但我無法理解:我搜索了很多地方,但我沒有找到如何使用觸摸屏這樣做,我通常發現這個鏈接,說它很有用,但我無法理解:https://github.com/graphstream/gs-ui-android-test/tree/master/app/src/main/爪哇/ UI / graphstream /組織/ gs_ui_androidtestFull
您應該能夠使用DefaultView類的addListener()方法替換onTouchListener。
fragment.getViewer().getDefaultView().addListener("OnTouchListener", myListener);
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