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  • AndroidのActivity之退出返回栈

    左边按钮是退出,右边是下一页,后面几张是左边箭头是跳到前一张,以前很纯真的用startAcitivty往前跳,跳到第一页的时候退出,后面的Activity还在。

    就算launchermode改成singleTask也还是这样,还是要finish()才可以大道Back的效果。

    ActivityB.java

    package cn.com.bvin.stack;
    
    import android.app.Activity;
    import android.content.Intent;
    import android.graphics.Color;
    import android.os.Bundle;
    import android.view.View;
    import android.view.ViewGroup;
    import android.view.Window;
    import android.widget.Button;
    import android.widget.TextView;
    
    public class ActivityB extends Activity{
    
        private ViewGroup rootContainer;
        private Button btNext,btBack;
        private TextView tvBomt,tvTop;
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            // TODO Auto-generated method stub
            super.onCreate(savedInstanceState);
            getWindow().requestFeature(Window.FEATURE_NO_TITLE);
            setContentView(R.layout.main);
            initViews();
        }
    
        public void initViews(){
            rootContainer = (ViewGroup)findViewById(R.id.root);
            rootContainer.setBackgroundResource(R.drawable.shake_bg3);
            btNext = (Button)findViewById(R.id.btNext);
            btBack = (Button)findViewById(R.id.btBack);
            tvTop = (TextView)findViewById(R.id.tvTop);
            tvTop.setTextColor(Color.BLACK);
            tvTop.setText("Hello world,"+getClass().getName()+"!");
            tvBomt = (TextView)findViewById(R.id.tvBottom);
            tvBomt.setText("第三页");
            tvBomt.setTextColor(Color.BLACK);
            rootContainer.setBackgroundResource(R.drawable.shake_bg3);
            btNext.setOnClickListener(new View.OnClickListener() {
                
                @Override
                public void onClick(View v) {
                    // TODO Auto-generated method stub
                    startActivity(new Intent(ActivityB.this,ActivityC.class));
                }
            });
            btBack.setOnClickListener(new View.OnClickListener() {
                
                @Override
                public void onClick(View v) {
                    // TODO Auto-generated method stub
                    //startActivity(new Intent(ActivityB.this,AcitivtyA.class));
                    finish();
                }
            });
        }
    
    }
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  • 原文地址:https://www.cnblogs.com/bvin/p/2807845.html
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