從其他活動中打開活動

我有一個主要活動（mottoscreen）之後，一個名爲圈子的活動打開，然後從該活動中打開另外兩個活動（sc_activity和or_activity）中的任何一個。我已經爲它編寫了代碼，但單擊存在於圓圈活動中的按鈕後，下一個活動未顯示出來。從其他活動中打開活動

圈的Java文件 -

package com.apsdevelopers.mr.meteout; 

import android.content.Intent; 
import android.os.Bundle; 
import android.view.MenuItem; 
import android.view.View; 
public class circles extends mottoscreen { 

@Override 
protected void onCreate(Bundle savedInstanceState) 
{ 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.circles); 
} 

public void onButtonClick(View v) 
{ 

    if (v.getId() == R.id.GOsc) 
    { 
     Intent I = new Intent(circles.this, sc_activity.class); 
     startActivity(I); 
    } 

    else if (v.getId() == R.id.GOor) 
    { 
     Intent j = new Intent(circles.this, or_activity.class); 
     startActivity(j); 
    } 


} 

}

Sc_activity的Java文件 -

package com.apsdevelopers.mr.meteout; 

import android.app.PendingIntent; 
import android.content.Intent; 
import android.os.Bundle; 
import android.telephony.SmsManager; 
import android.view.Menu; 
import android.view.View; 
import android.view.View.OnClickListener; 
import android.widget.Button; 
import android.widget.EditText; 
import android.widget.Toast; 
public class sc_activity extends mottoscreen 
{ 
    EditText name, ph, address, mass, thing; 
    Button msg; 

@Override 
protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.sc_activity); 

    name = (EditText)findViewById(R.id.name); 
    EditText p = (EditText)findViewById(R.id.pin); 
    String pinc = p.getText().toString(); 
    final int apsnumber= Integer.parseInt("8763597264"); 

    if (pinc.equals("753001") || pinc.equals("753002") || pinc.equals("753003") || pinc.equals("753004") || pinc.equals("753005") || pinc.equals("753006") || pinc.equals("753007") || pinc.equals("753008") || pinc.equals("753009")) { 
     ph = (EditText)findViewById(R.id.ph); 
     address = (EditText)findViewById(R.id.address); 
     mass = (EditText)findViewById(R.id.mass); 
     thing = (EditText)findViewById(R.id.thing); 
     msg = (Button)findViewById(R.id.msg); 
     msg.setOnClickListener(new OnClickListener() { 
      @Override 
      public void onClick(View arg0) { 
       String number = ph.getText().toString(); 
       String message1 = name.getText().toString(); 
       String message2 = address.getText().toString(); 
       String message3 = mass.getText().toString(); 
       String message4 = thing.getText().toString(); 
       Intent i = new Intent(getApplicationContext(), sc_activity.class); 
       PendingIntent pIntent = PendingIntent.getActivity(getApplicationContext(), 0, i, 0); 
       SmsManager sms = SmsManager.getDefault(); 
       sms.sendTextMessage(String.valueOf(apsnumber), null, number+message1 + message2 + message3 + message4, pIntent, null); 
       Toast.makeText(getApplicationContext(), "Form sent successfully ! , now click on DONE", 
         Toast.LENGTH_LONG).show(); 
      } 
     }); 
    } 
    else 
    { 
     Toast.makeText(getApplicationContext(), "ERROR: WE DONOT COVER THE PINCODE ENTERED BY YOU, PLZ ENTER A VALID PINCODE OF (CTC, ODISHA)", 
       Toast.LENGTH_LONG).show(); 

    } 

} 

@Override 
public boolean onCreateOptionsMenu(Menu menu) { 
    return true; 

} 
public void onButtonClick(View v) 
{ 

    if (v.getId() == R.id.msg) 
    { 
     Intent I = new Intent(sc_activity.this, th_activity.class); 
     startActivity(I); 
    } 


} 
}

Sc_activity XML文件 -

<?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" 
android:background="#9acef6fe" 
android:id="@+id/sc_activity"> 

<EditText 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:inputType="textPersonName" 
    android:text="NAME" 
    android:ems="10" 
    android:id="@+id/name" 
    android:layout_alignParentTop="true" 
    android:layout_alignParentLeft="true" 
    android:layout_alignParentStart="true" 
    android:imeOptions="actionNext" 
    android:textColor="#d4375a5c" /> 

<EditText 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:inputType="phone" 
    android:ems="10" 
    android:id="@+id/ph" 
    android:layout_below="@+id/name" 
    android:layout_alignParentLeft="true" 
    android:layout_alignParentStart="true" 
    android:text="PHONE NUMBER" 
    android:imeOptions="actionNext" 
    android:textColor="#d4375a5c" /> 
<TextView 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:textAppearance="?android:attr/textAppearanceSmall" 
    android:text="E.g.-5kg, 100 bottles... " 
    android:id="@+id/textView12" 
    android:layout_below="@+id/mass" 
    android:layout_alignParentLeft="true" 
    android:layout_alignParentStart="true" /> 

<TextView 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:textAppearance="?android:attr/textAppearanceSmall" 
    android:text="E.g.- metal scrap+newspapers, bottles+tyres...+" 
    android:id="@+id/textView11" 
    android:layout_below="@+id/thing" 
    android:layout_alignParentLeft="true" 
    android:layout_alignParentStart="true" /> 


<EditText 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:inputType="textPostalAddress" 
    android:ems="10" 
    android:id="@+id/address" 
    android:text="ADDRESS" 
    android:imeOptions="actionNext" 
    android:textColor="#d4375a5c" 
    android:layout_below="@+id/pin" 
    android:layout_alignParentLeft="true" 
    android:layout_alignParentStart="true" 
    android:layout_marginTop="36dp" /> 

<EditText 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:id="@+id/thing" 
    android:text="THING" 
    android:imeOptions="actionNext" 
    android:textColor="#d4375a5c" 
    android:layout_below="@+id/address" 
    android:layout_alignParentLeft="true" 
    android:layout_alignParentStart="true" 
    android:layout_marginTop="38dp" /> 

<EditText 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:inputType="number" 
    android:ems="10" 
    android:id="@+id/mass" 
    android:text="AMOUNT" 
    android:imeOptions="actionDone" 
    android:textColor="#d4375a5c" 
    android:layout_below="@+id/textView11" 
    android:layout_alignParentLeft="true" 
    android:layout_alignParentStart="true" 
    android:layout_marginTop="39dp" /> 

<EditText 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:inputType="number" 
    android:ems="10" 
    android:id="@+id/pin" 
    android:layout_marginTop="36sp" 
    android:text="PINCODE" 
    android:textColor="#d4375a5c" 
    android:layout_below="@+id/ph" 
    android:layout_alignParentLeft="true" 
    android:layout_alignParentStart="true" /> 

<Button 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:text="SEND MESSAGE" 
    android:id="@+id/msg" 
    android:background="#e33a9179" 
    android:textColor="#ffffff" 
    android:textSize="20sp" 
    android:layout_alignParentBottom="true" 
    android:layout_toRightOf="@+id/thing" 
    android:layout_alignRight="@+id/textView11" 
    android:layout_alignEnd="@+id/textView11" /> 


</RelativeLayout>

Or_activity的Java文件 -

package com.apsdevelopers.mr.meteout; 

import android.app.PendingIntent; 
import android.content.Intent; 
import android.os.Bundle; 
import android.telephony.SmsManager; 
import android.view.View; 
import android.widget.Button; 
import android.widget.EditText; 
import android.widget.Toast; 
public class or_activity extends mottoscreen 
{ 
    EditText nam, pho, addres, mas, thinge; 
    Button msg2; 
    @Override 
    protected void onCreate(Bundle savedInstanceState) 
    { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.or_activity); 

     nam = (EditText) findViewById(R.id.nam); 
    EditText p = (EditText) findViewById(R.id.pin1); 
    String pinc = p.getText().toString(); 
     final int apsnumber= Integer.parseInt("8763597264"); 
    if (pinc.equals("753001") || pinc.equals("753002") || pinc.equals("753003") || pinc.equals("753004") || pinc.equals("753005") || pinc.equals("753006") || pinc.equals("753007") || pinc.equals("753008") || pinc.equals("753009")) { 
     pho = (EditText) findViewById(R.id.ph); 
     addres = (EditText) findViewById(R.id.address); 
     mas = (EditText) findViewById(R.id.mass); 
     thinge = (EditText) findViewById(R.id.thing); 
     msg2 = (Button) findViewById(R.id.msg2); 
     msg2.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View arg0) { 
       String number = pho.getText().toString(); 
       String message1 = nam.getText().toString(); 
       String message2 = addres.getText().toString(); 
       String message3 = mas.getText().toString(); 
       String message4 = thinge.getText().toString(); 
       Intent i = new Intent(getApplicationContext(), or_activity.class); 
       PendingIntent pIntent = PendingIntent.getActivity(getApplicationContext(), 0, i, 0); 
       SmsManager sms = SmsManager.getDefault(); 
       sms.sendTextMessage(String.valueOf(apsnumber), null, number+message1 + message2 + message3 + message4, pIntent, null); 
       Toast.makeText(getApplicationContext(), "Form sent successfully ! , now click on DONE", 
         Toast.LENGTH_LONG).show(); 
      } 
     }); 
    } 
    else 
    { 
     Toast.makeText(getApplicationContext(), "ERROR: WE DONOT COVER THE PINCODE ENTERED BY YOU, PLZ ENTER A VALID PINCODE OF (CTC, ODISHA)", 
       Toast.LENGTH_LONG).show(); 
    } 
} 
public void onButtonClick(View v) 
{ 
    if (v.getId() == R.id.msg2) 
    { 
     Intent I = new Intent(or_activity.this, th_activity.class); 
     startActivity(I); 
    } 
} 
}

Or_activity XML文件 -

<?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" 
android:background="#9acef6fe" 
android:id="@+id/or_activity"> 
<EditText 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:inputType="textPersonName" 
    android:text="NAME" 
    android:ems="10" 
    android:id="@+id/nam" 
    android:layout_alignParentTop="true" 
    android:layout_alignParentLeft="true" 
    android:layout_alignParentStart="true" 
    android:imeOptions="actionNext" 
    android:textColor="#d4375a5c" /> 

<EditText 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:inputType="phone" 
    android:ems="10" 
    android:id="@+id/pho" 
    android:text="PHONE NUMBER" 
    android:imeOptions="actionNext" 
    android:textColor="#d4375a5c" 
    android:layout_below="@+id/nam" 
    android:layout_alignParentLeft="true" 
    android:layout_alignParentStart="true" /> 

<EditText 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:inputType="number" 
    android:ems="10" 
    android:id="@+id/pin1" 
    android:text="PINCODE" 
    android:layout_below="@+id/pho" 
    android:layout_alignParentLeft="true" 
    android:layout_alignParentStart="true" 
    android:layout_marginTop="43dp" 
    android:imeOptions="actionNext" 
    android:textColor="#d4375a5c" /> 

<EditText 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:inputType="textPostalAddress" 
    android:ems="10" 
    android:id="@+id/addres" 
    android:text="ADDRESS" 
    android:imeOptions="actionNext" 
    android:textColor="#d4375a5c" 
    android:layout_centerVertical="true" 
    android:layout_alignParentLeft="true" 
    android:layout_alignParentStart="true" /> 

<EditText 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:inputType="number" 
    android:ems="10" 
    android:id="@+id/mas" 
    android:text="AMOUNT" 
    android:imeOptions="actionNext" 
    android:textColor="#d4375a5c" 
    android:layout_marginTop="25dp" 
    android:layout_below="@+id/textView11" 
    android:layout_alignParentLeft="true" 
    android:layout_alignParentStart="true" /> 
<TextView 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:textAppearance="?android:attr/textAppearanceSmall" 
    android:text="E.g.- toys , clothes ...          " 
    android:id="@+id/textView11" 
    android:layout_below="@+id/thinge" 
    android:layout_alignParentLeft="true" 
    android:layout_alignParentStart="true" /> 

<EditText 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:id="@+id/thinge" 
    android:text="THING" 
    android:imeOptions="actionDone" 
    android:textColor="#d4375a5c" 
    android:layout_below="@+id/addres" 
    android:layout_alignParentLeft="true" 
    android:layout_alignParentStart="true" /> 

<Button 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:text="SEND MESSAGE" 
    android:id="@+id/msg2" 
    android:background="#e33a9179" 
    android:textColor="#ffffff" 
    android:textSize="20dp" 
    android:layout_alignParentBottom="true" 
    android:layout_alignRight="@+id/textView11" 
    android:layout_alignEnd="@+id/textView11" 
    android:layout_toRightOf="@+id/thinge" 
    android:layout_toEndOf="@+id/thinge" /> 
<TextView 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:textAppearance="?android:attr/textAppearanceSmall" 
    android:text="E.g.-5 books,2 cricket bats..." 
    android:id="@+id/textView12" 
    android:layout_below="@+id/mas" 
    android:layout_alignParentLeft="true" 
    android:layout_alignParentStart="true" /> 

</RelativeLayout>

請指引我在哪裏，我沒有在代碼中的錯誤。

來源

2015-10-26 APS

能否請您檢查您的代碼如下：

你circles.xml有兩個按鈕與ID GOsc和古爾？
在你的circles.xml中，你爲這兩個按鈕設置了android:onClick="onButtonClick"？
如果將上述兩個結果都設爲yes，那麼您是否也可以在此處粘貼您的circles.xml文件？

來源

2015-10-26 17:16:10

我忘記把「onButtonClick」。它的工作現在。感謝@Swagata A – APS

從其他活動中打開活動

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