9.鸿蒙app用户界面的跳转abilityslice的跳转

9.用户界面的跳转abilityslice的跳转，值传递，数值累加

首页页面显示1，第2页显示2，再次点击返回首页3。。。

MainAbilitySlice.java

关键代码：

点击事件

 text.setClickedListener(new Component.ClickedListener() {
            @Override
            public void onClick(Component component) {
               // present(new SecondAbilitySlice(),new Intent());
                Intent _intent = new Intent();
                _intent.setParam("count",count);
                presentForResult(new SecondAbilitySlice(),_intent,0x00101);
            }
        });
    }
    @Override
    protected void onResult(int requestCode,Intent resultIntent)
    {
        if(requestCode == 0x00101)
        {
            count=resultIntent.getIntParam("count",1);
            text.setText("t1:" + ++count);
        }
    }

MainAbilitySlice.java

package com.example.myapplication.slice;

import com.example.myapplication.ResourceTable;
import com.example.myapplication.slice.slice.SecondAbilitySlice;
import ohos.aafwk.ability.AbilitySlice;
import ohos.aafwk.content.Intent;
import ohos.agp.colors.RgbColor;
import ohos.agp.components.Component;
import ohos.agp.components.ComponentContainer;
import ohos.agp.components.DirectionalLayout;
import ohos.agp.components.Text;
import ohos.agp.components.element.ShapeElement;
import ohos.agp.utils.TextAlignment;

public class MainAbilitySlice extends AbilitySlice {

    private  Text text;
    private int count =1;
    @Override
    public void onStart(Intent intent) {
        super.onStart(intent);
       // super.setUIContent(ResourceTable.Layout_ability_main);
        ComponentContainer.LayoutConfig config = new ComponentContainer.LayoutConfig(
                ComponentContainer.LayoutConfig.MATCH_PARENT,
                ComponentContainer.LayoutConfig.MATCH_PARENT);
        DirectionalLayout layout= new DirectionalLayout(this);
        ShapeElement element = new ShapeElement();
        element.setRgbColor(new RgbColor(255,255,255));//白色
        layout.setBackground(element);
        layout.setLayoutConfig(config);
        //
       // Text text = new Text(this);
        text = new Text(this);
        text.setLayoutConfig(config);
        text.setTextAlignment(TextAlignment.CENTER);
        //text.setText("MainAbilitySlice");
        text.setText("t1:"+count);
        text.setTextSize(100);
        layout.addComponent(text);
        super.setUIContent(layout);
        text.setClickedListener(new Component.ClickedListener() {
            @Override
            public void onClick(Component component) {
               // present(new SecondAbilitySlice(),new Intent());
                Intent _intent = new Intent();
                _intent.setParam("count",count);
                presentForResult(new SecondAbilitySlice(),_intent,0x00101);
            }
        });
    }
    @Override
    protected void onResult(int requestCode,Intent resultIntent)
    {
        if(requestCode == 0x00101)
        {
            count=resultIntent.getIntParam("count",1);
            text.setText("t1:" + ++count);
        }
    }

    @Override
    public void onActive() {
        super.onActive();
    }

    @Override
    public void onForeground(Intent intent) {
        super.onForeground(intent);
    }
}

关键代码2：

点击事件

SecondAbilitySlice.java

 text.setClickedListener(new Component.ClickedListener() {
            @Override
            public void onClick(Component component) {
                //present(new MainAbilitySlice(),new Intent());
                Intent resultintent = new Intent();
                resultintent.setParam("count",count);
                setResult(resultintent);
                terminate();
            }
        });

SecondAbilitySlice.java

package com.example.myapplication.slice.slice;

import com.example.myapplication.ResourceTable;
import com.example.myapplication.slice.MainAbilitySlice;
import ohos.aafwk.ability.AbilitySlice;
import ohos.aafwk.content.Intent;
import ohos.agp.colors.RgbColor;
import ohos.agp.components.Component;
import ohos.agp.components.ComponentContainer;
import ohos.agp.components.DirectionalLayout;
import ohos.agp.components.Text;
import ohos.agp.components.element.ShapeElement;
import ohos.agp.utils.TextAlignment;

public class SecondAbilitySlice extends AbilitySlice {
    private  Text text;
    private  Text text2;
    private int count;
    @Override
    public void onStart(Intent intent) {
        super.onStart(intent);
        count =intent.getIntParam("count",1);
        count++;
       // super.setUIContent(ResourceTable.Layout_ability_main1);
        ComponentContainer.LayoutConfig config = new ComponentContainer.LayoutConfig(
                ComponentContainer.LayoutConfig.MATCH_PARENT,
                ComponentContainer.LayoutConfig.MATCH_CONTENT);
        DirectionalLayout layout= new DirectionalLayout(this);
        DirectionalLayout layout2= new DirectionalLayout(this);
        ShapeElement element = new ShapeElement();
        element.setRgbColor(new RgbColor(100,100,255));//浅蓝色
        layout.setBackground(element);
        layout.setLayoutConfig(config);

       // element.setRgbColor(new RgbColor(100,255,255));//
       // layout2.setBackground(element);

        //
         text = new Text(this);
         text2 = new Text(this);
        text.setLayoutConfig(config);
        text.setTextAlignment(TextAlignment.CENTER);
        text2.setLayoutConfig(config);
        text2.setTextAlignment(TextAlignment.CENTER);

       // text.setText("SecondAbilitySlice");
        text.setText(""+count);
        text2.setText("t2:"+count);
        text.setTextSize(100);
        text2.setTextSize(100);
        layout.addComponent(text);
        layout.addComponent(text2);
        super.setUIContent(layout);
      //  super.setUIContent(layout2);
        text.setClickedListener(new Component.ClickedListener() {
            @Override
            public void onClick(Component component) {
                //present(new MainAbilitySlice(),new Intent());
                Intent resultintent = new Intent();
                resultintent.setParam("count",count);
                setResult(resultintent);
                terminate();
            }
        });
    }

    @Override
    public void onActive() {
        super.onActive();
    }

    @Override
    public void onForeground(Intent intent) {
        super.onForeground(intent);
    }
}