Android布局控件的继承关系

    • 常用属性
    • 线性布局
    • 相对布局
    • 帧布局 FrameLayout
    • 网格布局 GridLayout
    • 代码实现

常用属性

宽高
android:layout_width=“30dp”/“match_parent”/“wrap_content”
android:layout_height=“30dp”
盒子模型
padding:内边距
margin:外边距
重力
gravity:center 上下左右(布局设置)
layout_gravity:居中 上下左右(组件设置)

线性布局

常用属性:
方向:orientation (horizontal水平 vertical垂直)
权重:配合宽,高(宽高其中一个用0dp)

相对布局

特点:
有两种相对关系:相对父容器(7个属性 3个居中center 4个对齐align)
相对兄弟容器控件(8个属性 4个位置layout 4个对齐align)

帧布局 FrameLayout

特点:层层叠加覆盖

网格布局 GridLayout

特点:指定行列
常用属性:
行数:android:rowCount=“6”
列数:android:columnCount=“4”
跨列数:layout_columnSpan=“2”
跨行数:layout_rowSpan=“2”
列权重:layout_columnWeight=“1”
行权重:layout_rowWeight=“1”

代码实现

// An highlighted block<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical">    <LinearLayout        android:layout_width="match_parent"        android:layout_height="0dp"        android:orientation="horizontal"        android:layout_weight="1.2">        <LinearLayout            android:layout_width="0dp"            android:layout_height="match_parent"            android:layout_weight="1"            android:background="#4688BD"            android:orientation="horizontal">            <ImageView                android:layout_width="wrap_content"                android:layout_height="match_parent"                android:src="@mipmap/t11" />            <TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="P2P活期账本"                android:textColor="#fff"                android:textSize="30dp"                android:layout_marginLeft="50dp"/>            <ImageView                android:layout_width="wrap_content"                android:layout_height="match_parent"                android:src="@mipmap/t22"                android:layout_marginLeft="60dp"/>        </LinearLayout>    </LinearLayout>    <LinearLayout        android:layout_width="match_parent"        android:layout_height="0dp"        android:layout_weight="1.7"        android:orientation="horizontal">        <ImageView            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:scaleType="fitXY"            android:src="@mipmap/guang" />    </LinearLayout>    <LinearLayout        android:layout_width="match_parent"        android:layout_height="0dp"        android:layout_weight="1.2"        android:orientation="horizontal">        <ImageView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:src="@mipmap/tozi" />        <ImageView            android:layout_width="wrap_content"            android:layout_height="match_parent"            android:layout_marginLeft="140dp"            android:src="@mipmap/xiangmu" />    </LinearLayout>    <LinearLayout        android:layout_width="match_parent"        android:layout_height="0dp"        android:orientation="horizontal"        android:layout_weight="0.8">        <ImageView            android:layout_width="match_parent"            android:layout_height="match_parent"            android:src="@mipmap/changping"            android:scaleType="fitXY"/>    </LinearLayout>    <LinearLayout        android:layout_width="match_parent"        android:layout_height="0dp"        android:orientation="horizontal"        android:layout_weight="1.2">       <ImageView           android:layout_width="wrap_content"           android:layout_height="wrap_content"           android:src="@mipmap/tp1"/>        <TextView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="星火钱包(星火X100)"            android:textSize="18dp"            android:layout_marginTop="15dp"/>        <LinearLayout            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:orientation="vertical">            <TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="昨日收益"/>            <TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="0"/>        </LinearLayout>        <LinearLayout            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:orientation="vertical">            <TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="待收总额"/>            <TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="0"/>        </LinearLayout>    </LinearLayout>    <LinearLayout        android:layout_width="match_parent"        android:layout_height="0dp"        android:orientation="horizontal"        android:layout_weight="1.2">        <ImageView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:src="@mipmap/tp1"/>        <TextView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="星火钱包(星火X100)"            android:textSize="18dp"            android:layout_marginTop="15dp"/>        <LinearLayout            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:orientation="vertical">            <TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="昨日收益"/>            <TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="0"/>        </LinearLayout>        <LinearLayout            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:orientation="vertical">            <TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="待收总额"/>            <TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="0"/>        </LinearLayout>    </LinearLayout>    <LinearLayout        android:layout_width="match_parent"        android:layout_height="0dp"        android:orientation="horizontal"        android:layout_weight="1.2">        <ImageView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:src="@mipmap/tp1"/>        <TextView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="星火钱包(星火X100)"            android:textSize="18dp"            android:layout_marginTop="15dp"/>        <LinearLayout            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:orientation="vertical">            <TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="昨日收益"/>            <TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="0"/>        </LinearLayout>        <LinearLayout            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:orientation="vertical">            <TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="待收总额"/>            <TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="0"/>        </LinearLayout>    </LinearLayout>    <LinearLayout        android:layout_width="match_parent"        android:layout_height="0dp"        android:orientation="horizontal"        android:layout_weight="1.2">        <ImageView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:src="@mipmap/tp1"/>        <TextView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="星火钱包(星火X100)"            android:textSize="18dp"            android:layout_marginTop="15dp"/>        <LinearLayout            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:orientation="vertical">            <TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="昨日收益"/>            <TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="0"/>        </LinearLayout>        <LinearLayout            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:orientation="vertical">            <TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="待收总额"/>            <TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="0"/>        </LinearLayout>    </LinearLayout>    <LinearLayout        android:layout_width="match_parent"        android:layout_height="0dp"        android:orientation="horizontal"        android:layout_weight="1.2"        >        <LinearLayout            android:layout_width="wrap_content"            android:layout_height="wrap_content">        </LinearLayout>        <ImageView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:src="@mipmap/tt1"            android:layout_weight="1"/>        <ImageView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:src="@mipmap/tt2"            android:layout_weight="1"/>        <ImageView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:src="@mipmap/tt3"            android:layout_weight="1"/>        <ImageView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:src="@mipmap/tt4"            android:layout_weight="1"/>        <ImageView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:src="@mipmap/tt5"            android:layout_weight="1"/>    </LinearLayout></LinearLayout><?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">    <Button        android:id="@+id/b1"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="上"/>    <Button        android:id="@+id/b2"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_alignParentBottom="true"        android:text="下"/>    <Button        android:id="@+id/b3"        android:layout_width="55dp"        android:layout_height="match_parent"        android:layout_alignParentLeft="true"        android:text="左"/>    <Button        android:id="@+id/b4"        android:layout_width="55dp"        android:layout_height="match_parent"        android:layout_alignParentRight="true"        android:text="右"/>    <Button        android:id="@+id/b11"        android:layout_width="80dp"        android:layout_height="40dp"        android:layout_centerInParent="true"        android:text="中间"/>    <Button        android:id="@+id/b22"        android:layout_width="80dp"        android:layout_height="40dp"        android:layout_below="@id/b11"        android:layout_centerInParent="true"        android:text="下面"/>    <Button        android:id="@+id/b33"        android:layout_width="80dp"        android:layout_height="40dp"        android:layout_above="@id/b11"        android:layout_centerInParent="true"        android:text="上面"/>    <Button        android:id="@+id/b44"        android:layout_width="80dp"        android:layout_height="40dp"        android:layout_toLeftOf="@id/b11"        android:layout_centerInParent="true"        android:text="左面"/>    <Button        android:id="@+id/b55"        android:layout_width="80dp"        android:layout_height="40dp"        android:layout_above="@id/b33"        android:layout_centerInParent="true"        android:layout_toRightOf="@id/b3"        android:text="左上"        /></RelativeLayout><?xml version="1.0" encoding="utf-8"?><FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:app="http://schemas.android.com/apk/res-auto"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    tools:context=".Frame_lianxiActivity">    <LinearLayout        android:id="@+id/id1"        android:layout_width="300dp"        android:layout_height="300dp"        android:layout_gravity="center"        android:background="#FF0000"        android:orientation="horizontal"        android:visibility="invisible">    </LinearLayout>    <LinearLayout        android:id="@+id/id2"        android:layout_width="250dp"        android:layout_height="250dp"        android:orientation="horizontal"        android:layout_gravity="center"        android:background="#00FF00"        android:visibility="invisible">    </LinearLayout>    <LinearLayout        android:id="@+id/id3"        android:layout_width="200dp"        android:layout_height="200dp"        android:orientation="horizontal"        android:layout_gravity="center"        android:background="#0000FF"        android:visibility="invisible">    </LinearLayout>    <LinearLayout        android:layout_width="300dp"        android:layout_height="60dp"        android:orientation="horizontal"        android:layout_gravity="bottom"        android:layout_marginLeft="33dp"        android:layout_marginBottom="40dp">        <Button            android:id="@+id/but1"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="上一页"            android:layout_gravity="center"            android:layout_marginLeft="60dp"            android:onClick="d1"/>        <Button            android:id="@+id/but2"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="下一页"            android:layout_gravity="center"/>    </LinearLayout></FrameLayout><?xml version="1.0" encoding="utf-8"?><FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent">    <LinearLayout        android:layout_width="300dp"        android:layout_height="300dp"        android:layout_gravity="center"        android:background="#FF0000"        android:orientation="horizontal">    </LinearLayout>    <LinearLayout        android:layout_width="250dp"        android:layout_height="250dp"        android:orientation="horizontal"        android:layout_gravity="center"        android:background="#00FF00">    </LinearLayout>    <LinearLayout        android:layout_width="200dp"        android:layout_height="200dp"        android:orientation="horizontal"        android:layout_gravity="center"        android:background="#0000FF">    </LinearLayout>    <LinearLayout        android:layout_width="300dp"        android:layout_height="60dp"        android:orientation="horizontal"        android:layout_gravity="bottom"        android:layout_marginLeft="33dp"        android:layout_marginBottom="40dp">        <Button            android:id="@+id/but1"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="上一页"            android:layout_gravity="center"            android:layout_marginLeft="60dp"/>        <Button            android:id="@+id/but2"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="下一页"            android:layout_gravity="center"/>    </LinearLayout></FrameLayout>//JAVA代码package com.example.tx.myapplication;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.ProgressBar;import android.widget.RadioButton;import android.widget.TextView;import android.widget.Toast;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;public class allActivity extends AppCompatActivity {    Button btn1;    Button btn2;    Button btn3;    Button btn4;    Button btn5;    LinearLayout linearLayout1;    LinearLayout linearLayout2;    LinearLayout linearLayout3;    LinearLayout linearLayout4;    TextView text1;    ImageView imageView1;    RadioButton radioButton1;    RadioButton radioButton2;    RadioButton radioButton3;    RadioButton radioButton4;    TextView textView01;    TextView textView02;    TextView textView03;    TextView textView04;    TextView textView05;    TextView textView06;    ImageView yejian;    ImageView qiandao;    ImageView touxiang;    Button begin;    TextView wenbenyu;    ProgressBar jindutiao;    StringBuffer stringBuffer = new StringBuffer();    int sum = 0;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_all);        wenbenyu = findViewById(R.id.dq);        jindutiao = findViewById(R.id.jdt);        linearLayout1 = findViewById(R.id.activityall);        linearLayout2 = findViewById(R.id.activity02);        linearLayout3 = findViewById(R.id.activity03);        linearLayout4 = findViewById(R.id.activity04);        text1 = findViewById(R.id.textddbh);        imageView1 = findViewById(R.id.xiaoshi);        imageView1.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                linearLayout1.setVisibility(View.INVISIBLE);            }        });        btn1 = findViewById(R.id.btn01);        btn1.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                Toast.makeText(allActivity.this, "联系卖家", Toast.LENGTH_SHORT).show();            }        });        btn2 = findViewById(R.id.btn02);        btn2.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                Toast.makeText(allActivity.this, "拨打电话", Toast.LENGTH_SHORT).show();            }        });        btn3 = findViewById(R.id.btnfz);        btn3.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                Toast.makeText(allActivity.this, text1.getText().toString(), Toast.LENGTH_SHORT).show();            }        });        btn4 = findViewById(R.id.btnscdd);        btn4.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                Toast.makeText(allActivity.this, "删除订单", Toast.LENGTH_SHORT).show();            }        });        btn5 = findViewById(R.id.btnmlhq);        btn5.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                Toast.makeText(allActivity.this, "卖了换钱", Toast.LENGTH_SHORT).show();            }        });        radioButton1 = findViewById(R.id.r01);        radioButton1.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                linearLayout1.setVisibility(View.VISIBLE);                linearLayout2.setVisibility(View.GONE);                linearLayout3.setVisibility(View.GONE);                linearLayout4.setVisibility(View.GONE);            }        });        radioButton2 = findViewById(R.id.r02);        radioButton2.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                linearLayout1.setVisibility(View.GONE);                linearLayout2.setVisibility(View.VISIBLE);                linearLayout3.setVisibility(View.GONE);                linearLayout4.setVisibility(View.GONE);            }        });        radioButton3 = findViewById(R.id.r03);        radioButton3.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                linearLayout1.setVisibility(View.GONE);                linearLayout2.setVisibility(View.GONE);                linearLayout3.setVisibility(View.VISIBLE);                linearLayout4.setVisibility(View.GONE);            }        });        radioButton4 = findViewById(R.id.r04);        radioButton4.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                linearLayout1.setVisibility(View.GONE);                linearLayout2.setVisibility(View.GONE);                linearLayout3.setVisibility(View.GONE);                linearLayout4.setVisibility(View.VISIBLE);            }        });        textView01 = findViewById(R.id.ling01);        textView02 = findViewById(R.id.ling02);        textView03 = findViewById(R.id.ling03);        textView04 = findViewById(R.id.kydf);        textView04.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                Toast.makeText(allActivity.this, "口语得分:"+textView01.getText().toString(), Toast.LENGTH_SHORT).show();            }        });        textView05 = findViewById(R.id.ydps);        textView05.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                Toast.makeText(allActivity.this, "阅读篇数:"+textView02.getText().toString(), Toast.LENGTH_SHORT).show();            }        });        textView06 = findViewById(R.id.tlsc);        textView06.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                Toast.makeText(allActivity.this, "听力时长:"+textView03.getText().toString(), Toast.LENGTH_SHORT).show();            }        });        yejian = findViewById(R.id.yjms);        yejian.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                Toast.makeText(allActivity.this, "夜间模式", Toast.LENGTH_SHORT).show();            }        });        qiandao = findViewById(R.id.qd);        qiandao.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                Toast.makeText(allActivity.this, "签到成功", Toast.LENGTH_SHORT).show();            }        });        touxiang = findViewById(R.id.tu1);        touxiang.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                Toast.makeText(allActivity.this, "编辑头像", Toast.LENGTH_SHORT).show();            }        });        begin = findViewById(R.id.ksxz);        begin.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                new LoadFile().start();            }        });    }    class LoadFile extends Thread{        @Override        public void run() {            super.run();            try {                InputStream inputStream = getAssets().open("JiCheMeng.txt");//                InputStreamReader inputStreamReade = new InputStreamReader(inputStream,"UTF-8");//                BufferedReader bufferedReader = new BufferedReader(inputStreamReade);                int maxlength = inputStream.available();                jindutiao.setMax(maxlength);                int len = 0;                byte[] bytes = new byte[50];                while((len = inputStream.read(bytes))!=-1){                    String s = new String(bytes,0,len);                    stringBuffer.append(s);                    sum += len;                    try {                        Thread.sleep(1000);                    } catch (InterruptedException e) {                        e.printStackTrace();                    }                    runOnUiThread(new Thread(){                        @Override                        public void run() {                            super.run();                            wenbenyu.setText(stringBuffer.toString());                            jindutiao.setProgress(sum);                        }                    });                }                inputStream.close();            } catch (IOException e) {                e.printStackTrace();            }        }    }}

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