Intent数据传递(单向) 原创

public class MainAbilitySlice extends AbilitySlice {
    HiLogLabel label =new HiLogLabel(HiLog.LOG_APP,0xFFFFF,"CHXI");
    @Override
    public void onStart(Intent intent) {

        super.setUIContent(ResourceTable.Layout_ability_main);
        Button button = (Button) findComponentById(ResourceTable.Id_button);
        button.setClickedListener(new Component.ClickedListener() {
            @Override
            public void onClick(Component component) {
                Intent myIntent = new Intent();
                myIntent.setParam("CHXI", "29");
                //导航到SecondAbilitySlice,并且携带myIntent
                present(new SecondAbilitySlice(), myIntent);
            }
        });
    }
}

1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.

 HiLogLabel label = new HiLogLabel(HiLog.LOG_APP,0xFFFFF,"CHXI29");
    @Override
    public void onStart(Intent intent) {
        super.onStart(intent);

        // 声明布局
        DependentLayout myLayout = new DependentLayout(this);

        // 设置布局宽高
        myLayout.setWidth(DependentLayout.LayoutConfig.MATCH_PARENT);
        myLayout.setHeight(DependentLayout.LayoutConfig.MATCH_PARENT);

        // 设置布局背景为白色
        ShapeElement background = new ShapeElement();
        background.setRgbColor(new RgbColor(255, 255, 255));
        myLayout.setBackground(background);

        // 创建一个文本
        Text text = new Text(this);
        text.setText("Hi there ~");
        text.setWidth(DependentLayout.LayoutConfig.MATCH_PARENT);
        text.setTextSize(70);
        text.setTextColor(Color.BLACK);

        //设置按钮背景色
        ShapeElement backgroundbutton = new ShapeElement();
        backgroundbutton.setRgbColor(new RgbColor(0,200,200));
        //创建一个buttonon
        Button button = new Button(this);
        button.setBackground(backgroundbutton);
        button.setText("按钮");
        button.setTextSize(100, Text.TextSizeType.PX);
        //添加单击事件
        button.setClickedListener(new Component.ClickedListener() {
            @Override
            public void onClick(Component component) {
                //根据key获取myIntent里面value 并展示到text中
                String str = intent.getStringParam("CHXI");
                text.setText(str);
            }
        });


        // 设置文本的布局
        DependentLayout.LayoutConfig textConfig = new DependentLayout.LayoutConfig(DependentLayout.LayoutConfig.MATCH_CONTENT, DependentLayout.LayoutConfig.MATCH_CONTENT);
        textConfig.addRule(DependentLayout.LayoutConfig.CENTER_IN_PARENT);
        DependentLayout.LayoutConfig butconfig  = new DependentLayout.LayoutConfig(DependentLayout.LayoutConfig.MATCH_CONTENT,DependentLayout.LayoutConfig.MATCH_CONTENT);
        text.setLayoutConfig(textConfig);
        //设置按钮布局
        butconfig.setMarginLeft(100);
        butconfig.setMarginTop(1300);
        button.setLayoutConfig(butconfig);

        myLayout.addComponent(button);
        myLayout.addComponent(text);

        super.setUIContent(myLayout);
    }
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
42.
43.
44.
45.
46.
47.
48.
49.
50.
51.
52.
53.
54.
55.
56.
57.
58.