Add a callback in FirebaseIndexArray when a Key doesn't exist in a ref #448
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| package com.firebase.uidemo.database; | ||
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| public class Chat { | ||
| private String mName; | ||
| private String mMessage; | ||
| private String mUid; | ||
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| public Chat() { | ||
| // Needed for Firebase | ||
| } | ||
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| public Chat(String name, String message, String uid) { | ||
| mName = name; | ||
| mMessage = message; | ||
| mUid = uid; | ||
| } | ||
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| public String getName() { | ||
| return mName; | ||
| } | ||
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| public void setName(String name) { | ||
| mName = name; | ||
| } | ||
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| public String getMessage() { | ||
| return mMessage; | ||
| } | ||
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| public void setMessage(String message) { | ||
| mMessage = message; | ||
| } | ||
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| public String getUid() { | ||
| return mUid; | ||
| } | ||
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| public void setUid(String uid) { | ||
| mUid = uid; | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| package com.firebase.uidemo.database; | ||
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| import android.graphics.PorterDuff; | ||
| import android.graphics.drawable.GradientDrawable; | ||
| import android.graphics.drawable.RotateDrawable; | ||
| import android.support.v4.content.ContextCompat; | ||
| import android.support.v7.widget.RecyclerView; | ||
| import android.view.Gravity; | ||
| import android.view.View; | ||
| import android.widget.FrameLayout; | ||
| import android.widget.LinearLayout; | ||
| import android.widget.RelativeLayout; | ||
| import android.widget.TextView; | ||
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| import com.firebase.uidemo.R; | ||
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| public class ChatHolder extends RecyclerView.ViewHolder { | ||
| private final TextView mNameField; | ||
| private final TextView mTextField; | ||
| private final FrameLayout mLeftArrow; | ||
| private final FrameLayout mRightArrow; | ||
| private final RelativeLayout mMessageContainer; | ||
| private final LinearLayout mMessage; | ||
| private final int mGreen300; | ||
| private final int mGray300; | ||
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| public ChatHolder(View itemView) { | ||
| super(itemView); | ||
| mNameField = (TextView) itemView.findViewById(R.id.name_text); | ||
| mTextField = (TextView) itemView.findViewById(R.id.message_text); | ||
| mLeftArrow = (FrameLayout) itemView.findViewById(R.id.left_arrow); | ||
| mRightArrow = (FrameLayout) itemView.findViewById(R.id.right_arrow); | ||
| mMessageContainer = (RelativeLayout) itemView.findViewById(R.id.message_container); | ||
| mMessage = (LinearLayout) itemView.findViewById(R.id.message); | ||
| mGreen300 = ContextCompat.getColor(itemView.getContext(), R.color.material_green_300); | ||
| mGray300 = ContextCompat.getColor(itemView.getContext(), R.color.material_gray_300); | ||
| } | ||
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| public void setIsSender(boolean isSender) { | ||
| final int color; | ||
| if (isSender) { | ||
| color = mGreen300; | ||
| mLeftArrow.setVisibility(View.GONE); | ||
| mRightArrow.setVisibility(View.VISIBLE); | ||
| mMessageContainer.setGravity(Gravity.END); | ||
| } else { | ||
| color = mGray300; | ||
| mLeftArrow.setVisibility(View.VISIBLE); | ||
| mRightArrow.setVisibility(View.GONE); | ||
| mMessageContainer.setGravity(Gravity.START); | ||
| } | ||
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| ((GradientDrawable) mMessage.getBackground()).setColor(color); | ||
| ((RotateDrawable) mLeftArrow.getBackground()).getDrawable() | ||
| .setColorFilter(color, PorterDuff.Mode.SRC); | ||
| ((RotateDrawable) mRightArrow.getBackground()).getDrawable() | ||
| .setColorFilter(color, PorterDuff.Mode.SRC); | ||
| } | ||
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| public void setName(String name) { | ||
| mNameField.setText(name); | ||
| } | ||
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| public void setText(String text) { | ||
| mTextField.setText(text); | ||
| } | ||
| } |
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I extracted
ChatandChatHolderto simplifyChatActivity.