学习进度11

今天写出了记账本的主页面，并对各个界面，收入 ，支出，明细，进行了编写。

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    >
    <ImageView
        android:id="@+id/iv_1"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@drawable/background"
        />

    <Button
        android:id="@+id/btn_2"
        android:layout_width="200dp"
        android:layout_height="80dp"
        android:text="家庭支出"
        android:background="@drawable/pressxiaoguo"
        android:textSize="30sp"
        android:layout_marginTop="100dp"
        android:textColor="#ffff"
        android:layout_centerHorizontal="true"/>
    <Button
        android:id="@+id/btn_3"
        android:layout_width="200dp"
        android:layout_height="80dp"
        android:text="家庭收入"
        android:background="@drawable/pressxiaoguo"
        android:textSize="30sp"
        android:layout_below="@+id/btn_2"
        android:textColor="#ffff"
        android:layout_marginTop="40dp"
        android:layout_centerHorizontal="true"/>

    <Button
        android:id="@+id/btn_4"
        android:layout_width="200dp"
        android:layout_height="80dp"
        android:text="收支明细"
        android:background="@drawable/pressxiaoguo"
        android:textSize="30sp"
        android:layout_below="@+id/btn_3"
        android:layout_marginTop="40dp"
        android:textColor="#ffff"
        android:layout_centerHorizontal="true"/>


</RelativeLayout>

package com.example.a14769.firstapp;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

public class zhujiemianActivity extends AppCompatActivity {
     private Button mbtn2;
     private Button mbtn3;
     private Button mbtn4;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_zhujiemian);
        mbtn2 = (Button) findViewById(R.id.btn_2);
        mbtn2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(zhujiemianActivity.this,shouruActivity.class);
                startActivity(intent);
            }
        });

        mbtn3 = findViewById(R.id.btn_3);
        mbtn3.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent intent = new Intent(zhujiemianActivity.this,zhichuActivity.class);
                startActivity(intent);
            }
        });

        mbtn4 = findViewById(R.id.btn_4);
        mbtn4.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent intent = new Intent(zhujiemianActivity.this,mingxiActivity.class);
                startActivity(intent);
            }
        });
    }
}