自定义View流式布局，创建一个类继承ViewGroup
import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
/*Time:2019/3/25
*Author:zhaozhiwei
*Description:
*/public class flowLabout extends ViewGroup {
public flowLabout(Context context) {
super(context);
}
public flowLabout(Context context, AttributeSet attrs) {
super(context, attrs);
}
public flowLabout(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
measureChildren(widthMeasureSpec,heightMeasureSpec);
}
@Override
protected void onLayout(boolean changed, int l, int t2, int r2, int b3) {
int witth = getWidth();
int low=0;//自定义常量
int diswith=38;//自定义间距
for (int j=0;j<getChildCount();j++){
View child = getChildAt(j);
int width = child.getMeasuredWidth();
int height = child.getMeasuredHeight();
if (diswith+width>witth){
low++;
diswith=18;
}
child.layout(diswith,low*height,diswith+width,height*(low+1));
diswith+=width;
}
}
}
主页面代码
import android.animation.Animator;
import android.animation.AnimatorSet;
import android.animation.ObjectAnimator;
import android.content.Intent;
import android.graphics.Color;
import android.os.Handler;
import android.support.annotation.ColorInt;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import com.bawei.zhaozhiwei20190325.R;
import java.util.ArrayList;
import static android.graphics.Color.*;
public class Main2Activity extends AppCompatActivity {
private Button nIamge;
private EditText editText;
private ImageView shan;
private ArrayList<String> list;
private flowLabout zidingyi1;
private flowLabout zidingyi2;
private Handler handler = new Handler();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main2);
nIamge = findViewById(R.id.nImage);
editText = findViewById(R.id.nEdtext);
zidingyi1 = findViewById(R.id.liushi);
zidingyi2 = findViewById(R.id.liushi1);
Button bt1 = findViewById(R.id.bt1);
shan = findViewById(R.id.shan);
getSetlayout();
bt1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(Main2Activity.this, "启动", Toast.LENGTH_LONG).show();
final String s = editText.getText().toString();
TextView textView = new TextView(Main2Activity.this);
textView.setText(s);
textView.setBackgroundResource(R.drawable.shape);
ViewGroup.MarginLayoutParams params = new ViewGroup.MarginLayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT
, ViewGroup.LayoutParams.WRAP_CONTENT);
params.setMargins(5,5,5,5);
zidingyi1.addView(textView,params);
//点击
getInintevent(textView);
ObjectAnimator animator = ObjectAnimator.ofFloat(textView, "translationX", 110, 5);
animator.setDuration(3000);
animator.start();
handler.postDelayed(new Runnable() {
@Override
public void run() {
Intent intent = new Intent(Main2Activity.this, Main3Activity.class);
intent.putExtra("s",s);
// startActivity(intent);
}
},3000);
}
});
shan.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
zidingyi1.removeAllViews();
}
});
}
private void getSetlayout() {
list = new ArrayList<>();
list.add("衣服 "+" ");
list.add("鞋子 "+" ");
list.add("化妆品 "+" ");
list.add("丫头 "+" ");
list.add("小阿辰 "+" ");
for (int i = 0; i < list.size(); i++) {
gettextview(list.get(i));
}
}
private void gettextview(String s) {
TextView textView = new TextView(Main2Activity.this);
textView.setText(s);
// textView.setBackgroundResource(R.drawable.shape);
// textView.setBackgroundColor(R.drawable.shape);
ViewGroup.MarginLayoutParams params = new ViewGroup.MarginLayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT
, ViewGroup.LayoutParams.WRAP_CONTENT);
params.setMargins(115, 10, 5, 15);
getInintevent(textView);
zidingyi2.addView(textView,params);
}
private void getInintevent(final TextView textView) {
textView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(Main2Activity.this, Main3Activity.class);
intent.putExtra("s",textView.getText().toString());
startActivity(intent);
}
});
}
}
布局
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
android:orientation="vertical"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<Button
android:id="@+id/nImage"
android:layout_width="0dp"
android:layout_weight="2"
android:layout_height="50dp"
android:text="返回"
/>
<EditText
android:id="@+id/nEdtext"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_weight="6" />
<Button
android:id="@+id/bt1"
android:layout_width="0dp"
android:layout_weight="2"
android:layout_height="wrap_content"
android:text="搜索" />
</LinearLayout>
<TextView
android:id="@+id/text1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="20sp"
android:text="热门搜索:" />
<com.bawei.zhaozhiwei.flowLabout
android:id="@+id/liushi1"
android:background="#F1FAE8"
android:layout_width="match_parent"
android:layout_height="100dp"/>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/text2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="历史记录:"
android:textSize="20sp" />
<ImageView
android:id="@+id/shan"
android:layout_width="30dp"
android:layout_height="30dp"
android:layout_alignParentRight="true"
android:background="@mipmap/shan" />
</RelativeLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<com.bawei.zhaozhiwei.flowLabout
android:id="@+id/liushi"
android:background="#dddd"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
</LinearLayout>
</LinearLayout>
