package com.example.wang.myapplication;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import java.util.Random;
public class ZuoyeActivity2
extends AppCompatActivity {
Button bt_1;
int j = 1
;
int k = 1
;
TextView tv_1;
TextView tv_2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_zuoye2);
bt_1 =
(Button) findViewById(R.id.bt_1);
tv_1 =
(TextView) findViewById(R.id.tv_1);
tv_2 =
(TextView) findViewById(R.id.tv_2);
}
public void bt1_OnClick(View v)
{
j=k=1
;
new Thread(
new Runnable() {
@Override
public void run() {
for(
int i=0;i<10;i++
)
{
On();
}
}
}).start();
new Thread(
new Runnable() {
@Override
public void run() {
for(
int i=0;i<10;i++
)
{
On1();
}
}
}).start();
}
public void On()
{
Random random=
new Random();
runOnUiThread(new Runnable() {
@Override
public void run() {
tv_1.setText("上海" +
j);
j++
;
}
});
try
{
int t=random.nextInt(1000
);
Thread.sleep(t);
}
catch (Exception e)
{
e.printStackTrace();
}
runOnUiThread(new Runnable() {
@Override
public void run() {
tv_1.setText(""
);
}
});
try
{
int t=random.nextInt(1000
);
Thread.sleep(t);
Log.e("TAG", "t=" +
t);
}
catch (Exception e)
{
e.printStackTrace();
}
}
public void On1()
{
Random random=
new Random();
runOnUiThread(new Runnable() {
@Override
public void run() {
tv_2.setText("上海"+
k);
k++
;
}
});
try
{
int t=random.nextInt(1000
);
Thread.sleep(t);
}
catch (Exception e)
{
e.printStackTrace();
}
runOnUiThread(new Runnable() {
@Override
public void run() {
tv_2.setText(""
);
}
});
try
{
int t=random.nextInt(1000
);
Thread.sleep(t);
Log.e("TAG", "t=" +
t);
}
catch (Exception e)
{
e.printStackTrace();
}
}
}
java
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.wang.myapplication.ZuoyeActivity"
android:orientation="vertical">
<TextView
android:layout_width="match_parent"
android:layout_height="40dp"
android:background="#ccc"
android:textSize="20sp"
android:gravity="center"
android:id="@+id/tv_1" />
<TextView
android:layout_width="match_parent"
android:layout_height="40dp"
android:background="#cba"
android:textSize="20sp"
android:gravity="center"
android:layout_marginTop="5dp"
android:id="@+id/tv_2"/>
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="去哪旅游"
android:id="@+id/bt_1"
android:onClick="bt1_OnClick"/>
</LinearLayout>
xml
效果图如上一条博客
转载于:https://www.cnblogs.com/wangchuanqi/p/5497375.html
相关资源：JAVA上百实例源码以及开源项目
