自定义数字软键盘

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="48dp">

        <TextView
            android:id="@+id/number_1"
            style="@style/number_keyboard"
            android:text="1" />

        <TextView
            android:id="@+id/number_2"
            style="@style/number_keyboard"
            android:text="2" />

        <TextView
            android:id="@+id/number_3"
            style="@style/number_keyboard"
            android:text="3" />
    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="48dp">

        <TextView
            android:id="@+id/number_4"
            style="@style/number_keyboard"
            android:text="4" />

        <TextView
            android:id="@+id/number_5"
            style="@style/number_keyboard"
            android:text="5" />

        <TextView
            android:id="@+id/number_6"
            style="@style/number_keyboard"
            android:text="6" />
    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="48dp">

        <TextView
            android:id="@+id/number_7"
            style="@style/number_keyboard"
            android:text="7" />

        <TextView
            android:id="@+id/number_8"
            style="@style/number_keyboard"
            android:text="8" />

        <TextView
            android:id="@+id/number_9"
            style="@style/number_keyboard"
            android:text="9" />
    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="48dp">

        <ImageView
            android:id="@+id/number_clear_last"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:padding="10dp"
            android:src="@drawable/keyboard_delete_img"
            android:background="@drawable/number_keyboard_selecter"/>

        <TextView
            android:id="@+id/number_0"
            style="@style/number_keyboard"
            android:text="0" />

        <TextView
            android:id="@+id/number_enter"
            style="@style/number_keyboard_enter"
            android:text="进入"
            android:textColor="@color/white"/>
    </LinearLayout>
</LinearLayout>

<style name="number_keyboard">
    <item name="android:layout_width">0dp</item>
    <item name="android:layout_height">match_parent</item>
    <item name="android:layout_weight">1</item>
    <item name="android:textSize">24sp</item>
    <item name="android:gravity">center</item>
    <item name="android:background">@drawable/number_keyboard_selecter</item>
</style>
<style name="number_keyboard_enter">
    <item name="android:layout_width">0dp</item>
    <item name="android:layout_height">match_parent</item>
    <item name="android:layout_weight">1</item>
    <item name="android:textSize">24sp</item>
    <item name="android:gravity">center</item>
    <item name="android:background">@drawable/number_keyboard_enter_selecter</item>
</style>

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_pressed="true">
        <shape>
            <stroke android:width="0.5dp" android:color="@color/my_middle_gray"></stroke>
            <solid android:color="@color/my_blue"></solid>
        </shape>
    </item>

    <item android:state_pressed="false">
        <shape>
            <stroke android:width="0.5dp" android:color="@color/my_middle_gray"></stroke>
            <solid android:color="@color/white"></solid>
        </shape>
    </item>
</selector>

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_pressed="true">
        <shape>
            <stroke android:width="0.5dp" android:color="@color/my_middle_gray"></stroke>
            <solid android:color="@color/white"></solid>
        </shape>
    </item>

    <item android:state_pressed="false">
        <shape>
            <stroke android:width="0.5dp" android:color="@color/my_middle_gray"></stroke>
            <solid android:color="@color/my_blue"></solid>
        </shape>
    </item>
</selector>

//显示数字键盘
public void showNumberKeyboard(){
    View view = LayoutInflater.from(getActivity()).inflate(R.layout.number_keyboard, null);
    AlertDialog.Builder builder = new AlertDialog.Builder(getActivity(),R.style.DialogTheme);
    builder.setView(view);
    final AlertDialog keyDialog = builder.create();
    Window window = keyDialog.getWindow();
    window.setGravity(Gravity.BOTTOM);
    window.setWindowAnimations(R.style.dialog_animation);
    window.getDecorView().setPadding(0, 0, 0, 0);
    WindowManager.LayoutParams lp = window.getAttributes();
    lp.width = WindowManager.LayoutParams.MATCH_PARENT;
    lp.height = WindowManager.LayoutParams.WRAP_CONTENT;
    window.setAttributes(lp);
    keyDialog.show();
    //数字键盘点击监听
    number_1 = (TextView) view.findViewById(R.id.number_1);
    number_2 = (TextView) view.findViewById(R.id.number_2);
    number_3 = (TextView) view.findViewById(R.id.number_3);
    number_4 = (TextView) view.findViewById(R.id.number_4);
    number_5 = (TextView) view.findViewById(R.id.number_5);
    number_6 = (TextView) view.findViewById(R.id.number_6);
    number_7 = (TextView) view.findViewById(R.id.number_7);
    number_8 = (TextView) view.findViewById(R.id.number_8);
    number_9 = (TextView) view.findViewById(R.id.number_9);
    number_0 = (TextView) view.findViewById(R.id.number_0);
    number_enter = (TextView) view.findViewById(R.id.number_enter);
    number_clear_last = (ImageView) view.findViewById(R.id.number_clear_last);

    number_1.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            String roomInput = myCourse_roomId_input.getText().toString();
            myCourse_roomId_input.setText(roomInput+number_1.getText().toString());
            myCourse_roomId_input.setSelection(roomInput.length()+1);
        }
    });
    number_2.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            String roomInput = myCourse_roomId_input.getText().toString();
            myCourse_roomId_input.setText(roomInput+number_2.getText().toString());
            myCourse_roomId_input.setSelection(roomInput.length()+1);
        }
    });
    number_3.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            String roomInput = myCourse_roomId_input.getText().toString();
            myCourse_roomId_input.setText(roomInput+number_3.getText().toString());
            myCourse_roomId_input.setSelection(roomInput.length()+1);
        }
    });
    number_4.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            String roomInput = myCourse_roomId_input.getText().toString();
            myCourse_roomId_input.setText(roomInput+number_4.getText().toString());
            myCourse_roomId_input.setSelection(roomInput.length()+1);
        }
    });
    number_5.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            String roomInput = myCourse_roomId_input.getText().toString();
            myCourse_roomId_input.setText(roomInput+number_5.getText().toString());
            myCourse_roomId_input.setSelection(roomInput.length()+1);
        }
    });
    number_6.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            String roomInput = myCourse_roomId_input.getText().toString();
            myCourse_roomId_input.setText(roomInput+number_6.getText().toString());
            myCourse_roomId_input.setSelection(roomInput.length()+1);
        }
    });
    number_7.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            String roomInput = myCourse_roomId_input.getText().toString();
            myCourse_roomId_input.setText(roomInput+number_7.getText().toString());
            myCourse_roomId_input.setSelection(roomInput.length()+1);
        }
    });
    number_8.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            String roomInput = myCourse_roomId_input.getText().toString();
            myCourse_roomId_input.setText(roomInput+number_8.getText().toString());
            myCourse_roomId_input.setSelection(roomInput.length()+1);
        }
    });
    number_9.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            String roomInput = myCourse_roomId_input.getText().toString();
            myCourse_roomId_input.setText(roomInput+number_9.getText().toString());
            myCourse_roomId_input.setSelection(roomInput.length()+1);
        }
    });
    number_0.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            String roomInput = myCourse_roomId_input.getText().toString();
            //0不能在第一位
            if(null != roomInput && !"".equals(roomInput)){
                myCourse_roomId_input.setText(roomInput+number_0.getText().toString());
                myCourse_roomId_input.setSelection(roomInput.length()+1);
            }
        }
    });
    number_clear_last.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            String roomIdInput = myCourse_roomId_input.getText().toString();
            if(roomIdInput.length()>0){
                myCourse_roomId_input.setText(roomIdInput.substring(0,roomIdInput.length()-1));
                myCourse_roomId_input.setSelection(roomIdInput.length()-1);
            }
        }
    });
    number_clear_last.setOnLongClickListener(new View.OnLongClickListener() {
        @Override
        public boolean onLongClick(View v) {
            myCourse_roomId_input.setText("");
            return false;
        }
    });
    number_enter.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            final String roomId = myCourse_roomId_input.getText().toString();
            if(TextUtils.isEmpty(roomId)){
                Toast.makeText(getActivity(),"请输入房间号",Toast.LENGTH_SHORT).show();
            }else{
                LiveRoomAPI.getTopicInfo(roomId, new BaseCallBack<TopicInfoResponseEntity>() {
                    @Override
                    public void onSuccess(Response<TopicInfoResponseEntity> response) {
                        //跳转到直播间
                        Intent intent = new Intent(getActivity(), TopicInfoActivity.class);
                        intent.putExtra(IntentKey.topicId, roomId);
                        startActivity(intent);
                        keyDialog.dismiss();
                    }

                    @Override
                    public void onFailure(StateException exception) {
                        //弹出对话框
                        com.xuehu365.xuehu.ui.widget.AlertDialog alertDialog = new com.xuehu365.xuehu.ui.widget.AlertDialog(getActivity()).builder();
                        alertDialog.setMsg("您输入的房号有误请重新输入!");
                        alertDialog.setPositiveButton("好的", new View.OnClickListener() {
                            @Override
                            public void onClick(View v) {
                                myCourse_roomId_input.setText("");
                                myCourse_roomId_clear.setVisibility(View.GONE);
                            }
                        });
                        alertDialog.show();
                    }
                });
            }
        }
    });
}