在这种情况下我需要帮助,我正在尝试向我的客户发送广播消息。这意味着我只想以消息的形式向用户发送我的输入,并且不想从他们那里获取输入。所以我做了什么,我正在使用云消息传递到我的项目,现在我能够输入firebase并显示在我的文本视图上。但现在我想存储它并逐行交换到下方,我想只显示我的消息,我也想显示我的最后10条消息,所以后来部分将无用,我尝试交换,但它不是在我的图表中工作。
我将在这里展示我的活动
MainActivity.java
package com.intraday.geeks;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
import com.google.firebase.iid.FirebaseInstanceId;
public class MainActivity extends AppCompatActivity {
private FirebaseAuth mAuth;
private static final String TAG = "MainActivity";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mAuth=FirebaseAuth.getInstance();
TextView textView1 =(TextView)findViewById(R.id.callOne);
TextView textView2 =(TextView)findViewById(R.id.CallTwo);
TextView textView3 =(TextView)findViewById(R.id.callThree);
TextView textView4 =(TextView)findViewById(R.id.callFour);
TextView textView5 =(TextView)findViewById(R.id.callFive);
TextView textView6 =(TextView)findViewById(R.id.callSix);
TextView textView7 =(TextView)findViewById(R.id.callSeven);
TextView textView8 =(TextView)findViewById(R.id.CallEight);
if(getIntent().getExtras()!=null){
for(String key : getIntent().getExtras().keySet())
{
if (key.equals("a")){
textView1.setText(getIntent().getExtras().getString(key));
String variable1 = textView1.getText().toString();
}
}
}
}
@Override
public void onStart() {
super.onStart();
FirebaseUser currentUser = mAuth.getCurrentUser();
if (currentUser==null){
Intent authIntent = new Intent(MainActivity.this, Login.class);
startActivity(authIntent);
finish();
}
}
}
activity_main
<?xml version="1.0" encoding="utf-8"?>
<ScrollView 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:background="#5d1b8f"
android:orientation="vertical"
android:layout_height="match_parent"
tools:context="com.intraday.geeks.MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<TextView
android:id="@+id/callOne"
android:layout_width="fill_parent"
android:layout_height="75dp"
android:background="#dc2619"
android:text="Tips are only Available In Live Market 9:15Am to 3:15Pm"
style="@style/Base.AlertDialog.AppCompat"
android:textSize="20dp"
android:textColor="#ffff"
/>
<TextView
android:id="@+id/CallTwo"
android:layout_width="fill_parent"
android:textSize="20dp"
android:layout_height="75dp"
android:textColor="#ffff"
android:text="Tips are only Available In Live Market 9:15Am to 3:15Pm"
style="@style/Base.AlertDialog.AppCompat">
</TextView>
<TextView
android:id="@+id/callThree"
android:layout_width="fill_parent"
android:textSize="20dp"
android:background="#dc2619"
android:layout_height="75dp"
android:textColor="#ffff"
android:text="Tips are only Available In Live Market 9:15Am to 3:15Pm"
style="@style/Base.AlertDialog.AppCompat">
</TextView>
<TextView
android:id="@+id/callFour"
android:layout_width="fill_parent"
android:layout_height="75dp"
android:textColor="#ffff"
android:textSize="20dp"
android:text="Tips are only Available In Live Market 9:15Am to 3:15Pm"
style="@style/Base.AlertDialog.AppCompat">
</TextView>
<TextView
android:id="@+id/callFive"
android:layout_width="fill_parent"
android:layout_height="75dp"
android:textColor="#ffff"
android:background="#dc2619"
android:textSize="20dp"
android:text="Tips are only Available In Live Market 9:15Am to 3:15Pm"
style="@style/Base.AlertDialog.AppCompat">
</TextView>
<TextView
android:id="@+id/callSix"
android:layout_width="fill_parent"
android:layout_height="75dp"
android:textColor="#ffff"
android:textSize="20dp"
android:text="Tips are only Available In Live Market 9:15Am to 3:15Pm"
style="@style/Base.AlertDialog.AppCompat">
</TextView>
<TextView
android:id="@+id/callSeven"
android:layout_width="fill_parent"
android:layout_height="75dp"
android:textColor="#ffff"
android:textSize="20dp"
android:background="#dc2619"
android:text="Tips are only Available In Live Market 9:15Am to 3:15Pm"
style="@style/Base.AlertDialog.AppCompat">
</TextView>
<TextView
android:id="@+id/CallEight"
android:layout_width="fill_parent"
android:layout_height="75dp"
android:textColor="#ffff"
android:textSize="20dp"
android:text="Tips are only Available In Live Market 9:15Am to 3:15Pm"
style="@style/Base.AlertDialog.AppCompat">
</TextView>
</LinearLayout>
</ScrollView>